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Get ready for the first ever devRant live stream event! @trogus and I will be making an exciting announcement/launch live on our YouTube channel (https://www.youtube.com/devrantapp) this Wednesday (October 4th) at 9pm EDT. After the announcement we will also take some questions from devRant users who are watching. The questions can be about the announcement or anything devRant-related in general. We hope to get some fun questions so feel free to ask anything you want.
We look forward to having some fun with our first live stream! If you can't make it, don't worry, the replay will be available on YouTube and we'll likely do some more streams in the future. Please let me know if you have any questions and we hope many of you can join us!
Edit: the stream will be available here once it begins tomorrow: https://youtube.com/watch/... I will also post another announcement rant when we go live!53 -
Three days ago I wrote a comment:
"It's weird how the internet shifted from protocols to platforms.
Devs still know the plumbing, but for most people IRC became Whatsapp, FTP became Dropbox, RTSP became Netflix, SIP became Zoom and RSS became Google Now... so people might eventually forget about SMTP and this whole "email" hype.
In a decade or two we'll have forgotten about URLs and HTTP and the "internet" as well. You just pay your monthly $10 sub to Google or Amazon or Apple to have your condensed streams of memes & bait funneled right into your eyeballs."
And now Chrome devs are considering removing URLs just like in Safari, just showing the domain you are on....
Enjoy your retard web, people.
What's next, new Macbook & Chromebook standardized designs to prevent people from being confused?43 -
Me:*connects up laptop to projector via wifi bc teacher doesn't know shit about computers*
Teacher: *sits at computer*
Teacher: *closes the program that streams to projector*
Me:*facepalm*
Teacher: "Why did it stop working did you set it up wrong?"5 -
Look... I know I'm just a newbie. I started a year ago as a junior. Sure. No one wants to do code review, so I got chosen to do it. People don't like it when their code gets criticised. And you know what? I get it, I should probably be a bit nicer with my comments. I should not suggest I'll make a fork and split internal library into two streams if things continue this way. I should not ask questions that can be understood as me being passive-aggressive.
But holy fucking shit, you're a senior developer. Don't treat Java as a fucking scripting language. Don't have a method that has 600 lines of code, because you're repeating the code! You've already copy pasted this shit, and modified it slightly. Like, couldn't you have created some architecture around the code? How can a senior dev copy-paste code?
Oh and why the fuck did you create a new utility class for functionality I already provide? Look, I admit, yours is a lot better, ok? It has extra functionality. But why the fuck didn't you enhance my utility class? Why did you create a new one? Did you just not want to touch my code, or did you not see it right below your newly created class?
Am I the only one who fucking cares about maintainable code in this company? When I got hired, I was in tears by how frustrating a lot of the things were. No documentation anywhere, not even fucking comments. No processes in place. Want to do something? Source code is your documentation. Fuck you! I busted my ass of to force everyone to document every little bullshit, to re-factor their MRs that I reviewed, and I won't let even a senior fucking dev pollute the code base!
Fuuuuuck... Me...2 -
1) get an idea for a cool app
2) evaluate feasibility and execution
3) ensure accessible data streams and APIs
4) get excited and realize the idea is doable
5) see someone has done that exact thing and it's already published on the Appstore :/10 -
I'm convinced code addiction is a real problem and can lead to mental illness.
Dev: "Thanks for helping me with the splunk API. Already spent two weeks and was spinning my wheels."
Me: "I sent you the example over a month ago, I guess you could have used it to save time."
Dev: "I didn't understand it. I tried getting help from NetworkAdmin-Dan, SystemAdmin-Jake, they didn't understand what you sent me either."
Me: "I thought it was pretty simple. Pass it a query, get results back. That's it"
Dev: "The results were not in a standard JSON format. I was so confused."
Me: "Yea, it's sort-of JSON. Splunk streams the result as individual JSON records. You only have to deserialize each record into your object. I sent you the code sample."
Dev: "Your code didn't work. Dan and Jake were confused too. The data I have to process uses a very different result set. I guess I could have used it if you wrote the class more generically and had unit tests."
<oh frack...he's been going behind my back and telling people smack about my code again>
Me: "My code wouldn't have worked for you, because I'm serializing the objects I need and I do have unit tests, but they are only for the internal logic."
Dev:"I don't know, it confused me. Once I figured out the JSON problem and wrote unit tests, I really started to make progress. I used a tuple for this ... functional parameters for that...added a custom event for ... Took me a few weeks, but it's all covered by unit tests."
Me: "Wow. The way you explained the project was; get data from splunk and populate data in SQLServer. With the code I sent you, sounded like a 15 minute project."
Dev: "Oooh nooo...its waaay more complicated than that. I have this very complex splunk query, which I don't understand, and then I have to perform all this parsing, update a database...which I have no idea how it works. Its really...really complicated."
Me: "The splunk query returns what..4 fields...and DBA-Joe provided the upsert stored procedure..sounds like a 15 minute project."
Dev: "Maybe for you...we're all not super geniuses that crank out code. I hope to be at your level some day."
<frack you ... condescending a-hole ...you've got the same seniority here as I do>
Me: "No seriously, the code I sent would have got you 90% done. Write your deserializer for those 4 fields, execute the stored procedure, and call it a day. I don't think the effort justifies the outcome. Isn't the data for a report they'll only run every few months?"
Dev: "Yea, but Mgr-Nick wanted unit tests and I have to follow orders. I tried to explain the situation, but you know how he is."
<fracking liar..Nick doesn't know the difference between a unit test and breathalyzer test. I know exactly what you told Nick>
Dev: "Thanks again for your help. Gotta get back to it. I put a due date of April for this project and time's running out."
APRIL?!! Good Lord he's going to drag this intern-level project for another month!
After he left, I dug around and found the splunk query, the upsert stored proc, and yep, in about 15 minutes I was done.1 -
!rant, a success story.
I made a tool for a live streamer I like, for free. Something to find highlights in a VOD based on the chatlog.
It took me around 15h to make. It is a very simple electron app, the "valuable" code is ~70 lines.
I wasn't sure he would even bother to try it.
Anyways, I send it to him. 10 minutes later, the guy tells me that "this is amazing! You just saved me hours of derushing my streams ❤️"
That's great already, but it does not end there. A few minutes later he asks me "I know other streamers that would love it, can I share? And can I add you in our private discord?"
I have now a direct access to some of the best youtubers/streamers in my country 🤩.4 -
It's 3:45 am, I have a meeting at 8:00, game of thrones streams in 15minutes rick and morty streams immediately after....... Am fucked6
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not sure if this counts, but i'm sure it's going to hugely amuse at least a few people.
... sometimes when i get stuck in a coding task (when i'm working at home, of course) i go watch porn for a while, it clears my head nicely.
there was one day i was trying streaming my programming for the first or second time in my life, and... yeah, i got stuck. and yeah, i forgot i was streaming...
luckily, nobody was watching those streams, and i realized what i did as soon as i got back to coding, so i immediately stopped the stream and went and deleted the vod.
i think the next time i mustered enough courage to try streaming again was like two or three months later... XD12 -
I feel guilty when I spend time after work writing code, because there's that voice in the back of my head saying I should switch to leisure activities. "You've worked enough, don't sit all day, it's unhealthy".
Then I go for a walk or start planning something to cook. And there's still this weird feeling of guilt for not being productive enough, telling me I should learn a new programming language. "Work on your skills, you need to learn stuff to stay relevant in your field"
BRAIN, BE FUCKING CONTENT WITH WHAT I'M DOING FOR ONCE!
And stop fucking bullshitting me.
You're not trying to make me take a walk, you're not having my best interests at heart by making me learn or work.
I'm fucking on to you, you treacherous shitlitter of neurons. You're betraying me, and it happens every single fucking time I let my guard down.
I alt-tab out of my IDE, and within seconds you're there, impeding my intellect, making me click bookmarks to check the feculent streams spraying from the fingers of "friends" on Facebook.
I take a poop, and you just let me slide into a slowwitted state where I pick up my phone and stare at some crapfilled mire of memes.
You're the retarded digital-era id, wearing the disguise of a renaissance smart-ass ego, and you're dumping the fucking guilt on ME?
FUCK YOU AND YOUR MEMES, I'M GONNA BAKE A STEAK WITH MUSHROOM SAUCE AND WATCH PROGRAMMING VIDEOS WHILE DANCING.
NAKED.
(and maybe browse devRant later. I still love you, devRant)5 -
I'm the leader of a team developing a project at my company. Recently I had an accident which required me to have a surgery, and I was out for the last month.
Since it's an important project, our CTO reassigned a Xamarin dev to help my team (in JEE) while I'm out, you know, cause "C# looks like Java". The guy had to write a file stream handler, and - though the guy does a really good job - it's funny to see how desperately he's trying to understand how Java works with streams. Censored because of reasons.7 -
Java:
Primitive streams. Their need to exist is a monument to legacy failure.
VB.net
OrElse and AndAlso short-circuiting operators. The language designers were too fucking lazy to process logic, so they give specific keywords for those cases.
PHP
Random Hebrew error messages
JS
Eval. It can be used responsibly, but most of the times you see it it's because someone fucked up.
C#
Lack of Tuple destructuring in argument specification. Tuples were added, and pattern matching was added, and it's been getting better. The gear grinding starts with how Tuple identity assignment in arguments is handled. Rather than destructuring into the current scope, it coalesces the identity specification into a dot property of whatever the argument name is. This seems like an afterthought given they have ootb support for ignore characters.
Typescript
This will probably be remedied in the next version or two, but Tuple identity forwarding between anonymous scopes normalizes to arrays of union types, because tuples compile to typeless arrays. It's irritating because you end up having to restate the type metadata in functional series even when there is no possibility for any other code branch to have occurred.12 -
I just love refactoring :) that feeling when an agonic 50loc method with ifs, loops, streams, other shit shrinks down to 3 lines with descriptive and SRP-compliant method calls.. When you can actually read code as a nicely written story. When there are no rubbish comments, cryptic variables and no overly complex if-else skyscrapers jamming all the logic in one conditional chain. When all the abstractions are designed so nicely and design patterns applied so perfectly that extending either of the components is as easy as a walk in a park.
When everything is nice and neat. Only then can I sleep well and enjoy the autumn :)
just some random thoughts after today's coding session :)5 -
Excited for the following upcoming product releases:
Dark Mode GitHub
Dark Mode Jira
Dark Mode Kubernetes
Dark Mode Kafka Streams
Dark Mode WebEx12 -
I've optimised so many things in my time I can't remember most of them.
Most recently, something had to be the equivalent off `"literal" LIKE column` with a million rows to compare. It would take around a second average each literal to lookup for a service that needs to be high load and low latency. This isn't an easy case to optimise, many people would consider it impossible.
It took my a couple of hours to reverse engineer the data and implement a few hundred line implementation that would look it up in 1ms average with the worst possible case being very rare and not too distant from this.
In another case there was a lookup of arbitrary time spans that most people would not bother to cache because the input parameters are too short lived and variable to make a difference. I replaced the 50000+ line application acting as a middle man between the application and database with 500 lines of code that did the look up faster and was able to implement a reasonable caching strategy. This dropped resource consumption by a minimum of factor of ten at least. Misses were cheaper and it was able to cache most cases. It also involved modifying the client library in C to stop it unnecessarily wrapping primitives in objects to the high level language which was causing it to consume excessive amounts of memory when processing huge data streams.
Another system would download a huge data set for every point of sale constantly, then parse and apply it. It had to reflect changes quickly but would download the whole dataset each time containing hundreds of thousands of rows. I whipped up a system so that a single server (barring redundancy) would download it in a loop, parse it using C which was much faster than the traditional interpreted language, then use a custom data differential format, TCP data streaming protocol, binary serialisation and LZMA compression to pipe it down to points of sale. This protocol also used versioning for catchup and differential combination for additional reduction in size. It went from being 30 seconds to a few minutes behind to using able to keep up to with in a second of changes. It was also using so much bandwidth that it would reach the limit on ADSL connections then get throttled. I looked at the traffic stats after and it dropped from dozens of terabytes a month to around a gigabyte or so a month for several hundred machines. The drop in the graphs you'd think all the machines had been turned off as that's what it looked like. It could now happily run over GPRS or 56K.
I was working on a project with a lot of data and noticed these huge tables and horrible queries. The tables were all the results of queries. Someone wrote terrible SQL then to optimise it ran it in the background with all possible variable values then store the results of joins and aggregates into new tables. On top of those tables they wrote more SQL. I wrote some new queries and query generation that wiped out thousands of lines of code immediately and operated on the original tables taking things down from 30GB and rapidly climbing to a couple GB.
Another time a piece of mathematics had to generate all possible permutations and the existing solution was factorial. I worked out how to optimise it to run n*n which believe it or not made the world of difference. Went from hardly handling anything to handling anything thrown at it. It was nice trying to get people to "freeze the system now".
I build my own frontend systems (admittedly rushed) that do what angular/react/vue aim for but with higher (maximum) performance including an in memory data base to back the UI that had layered event driven indexes and could handle referential integrity (overlay on the database only revealing items with valid integrity) or reordering and reposition events very rapidly using a custom AVL tree. You could layer indexes over it (data inheritance) that could be partial and dynamic.
So many times have I optimised things on automatic just cleaning up code normally. Hundreds, thousands of optimisations. It's what makes my clock tick.4 -
Wrote my first Gnome Shell extension.
It shows the propability that my favourite streamer on Twitch streams today with a statistical algorithm I only wrote for this purpose.
I feel a bit cool now, yeah, maybe more than I should.
But it's so exciting!7 -
"The aim is to develop highly robust data streams so we have the flexibility to build and evolve the user interface without having to change code in the API"
Oh, is that all you need?4 -
Subversion should be burried so far beneath the ocean that even the oldest developer, who is so old that he can't even think about jerking off no more, because his beard is so long and thick as a curtain made of strong streams of wool, waying him done so much that his face would immediately smash down to the floor if he ever would ever again attempt to stand up, denying access to his wrinkled dick, can't find it no more.
And yet I still have to use it at my job.2 -
Customer: *brings in laptop and printer* My internet has been terrible lately, so this printer hasn't been working very well as a wireless printer. Could you fix it?
Me: Well, it wouldn't help much because it would be hooked up on our network, so when you take it home it won't work on yours.
Customer: I don't understand...
Me: *thinks for a second* okay, so it's like you have two streams of water. Whatever you do in the first stream doesn't effect the second stream of water.
Customer: I still don't understand....
Me: Never mind. Just go home and give us a call. We'll be able to help you better that way.
Customer: Okay, thanks!
Coworker: You can't cross the streams, Rider!2 -
Damn, how have I only just discovered localstack?
The ability to spin up and use SQS queues, S3 buckets, lambdas, Kinesis streams etc. for development without worrying about bankrupting myself if I screw something up is really quite liberating.4 -
Harsh truth:
My side SaaS project made more money in its first month (built late winter last year, MVP released after ~3 weeks of development) than the sTaRtUp I work for over its total lifetime so far (built over 3+ months, MVP released in May last year)
...is it time to rage quit?
Often I have dreams of going full-time solo dev, leaving every idiotic, clueless, fumbling clown behind, but I feel like I just don't have the financial runway to do it. However, even from just a few months in 2021 while I was on the job hunt, I created some side revenue streams which I'm still receiving decent revenues from (selling courses, saas products, minor freelancing). I'm just not 100% sure if I was "lucky" during this time period, or if a few more months going at it I'd be able to scrape my way towards a meager (though livable!) income.
Give me biased views, devRant!6 -
Java dev here. I rewrote an app and replaced a system call to ssh with a modern jaxrs post for uploading a file and (new) some additional data.
I even used a stream.
1 hour in production, first client doesn't get his file. Log says OutOfMemoryError: heap.
Me: wtf? I already use streams.
Looking at the Jersey library. Docs say nothing. An issue from 2013 says: oh if you silly don't use the Apache httpclient addon, we disable chunking and buffer the whole body, because our tests fail with the jdk included http client otherwise.
Me: meh.
No warning in the logs. Thank you soooooo much! Who could have known?4 -
EoS1: This is the continuation of my previous rant, "The Ballad of The Six Witchers and The Undocumented Java Tool". Catch the first part here: https://devrant.com/rants/5009817/...
The Undocumented Java Tool, created by Those Who Came Before to fight the great battles of the past, is a swift beast. It reaches systems unknown and impacts many processes, unbeknownst even to said processes' masters. All from within it's lair, a foggy Windows Server swamp of moldy data streams and boggy flows.
One of The Six Witchers, the Wild One, scouted ahead to map the input and output data streams of the Unmapped Data Swamp. Accompanied only by his animal familiars, NetCat and WireShark.
Two others, bold and adventurous, raised their decompiling blades against the Undocumented Java Tool beast itself, to uncover it's data processing secrets.
Another of the witchers, of dark complexion and smooth speak, followed the data upstream to find where the fuck the limited excel sheets that feeds The Beast comes from, since it's handlers only know that "every other day a new one appears on this shared active directory location". WTF do people often have NPC-levels of unawareness about their own fucking jobs?!?!
The other witchers left to tend to the Burn-Rate Bonfire, for The Sprint is dark and full of terrors, and some bigwigs always manage to shoehorn their whims/unrelated stories into a otherwise lean sprint.
At the dawn of the new year, the witchers reconvened. "The Beast breathes a currency conversion API" - said The Wild One - "And it's claws and fangs strike mostly at two independent JIRA clusters, sometimes upserting issues. It uses a company-deprecated API to send emails. We're in deep shit."
"I've found The Source of Fucking Excel Sheets" - said the smooth witcher - "It is The Temple of Cash-Flow, where the priests weave the Tapestry of Transactions. Our Fucking Excel Sheets are but a snapshot of the latest updates on the balance of some billing accounts. I spoke with one of the priestesses, and she told me that The Oracle (DB) would be able to provide us with The Data directly, if we were to learn the way of the ODBC and the Query"
"We stroke at the beast" - said the bold and adventurous witchers, now deserving of the bragging rights to be called The Butchers of Jarfile - "It is actually fewer than twenty classes and modules. Most are API-drivers. And less than 40% of the code is ever even fucking used! We found fucking JIRA API tokens and URIs hard-coded. And it is all synchronous and monolithic - no wonder it takes almost 20 hours to run a single fucking excel sheet".
Together, the witchers figured out that each new billing account were morphed by The Beast into a new JIRA issue, if none was open yet for it. Transactions were used to update the outstanding balance on the issues regarding the billing accounts. The currency conversion API was used too often, and it's purpose was only to give a rough estimate of the total balance in each Jira issue in USD, since each issue could have transactions in several currencies. The Beast would consume the Excel sheet, do some cryptic transformations on it, and for each resulting line access the currency API and upsert a JIRA issue. The secrets of those transformations were still hidden from the witchers. When and why would The Beast send emails, was still a mistery.
As the Witchers Council approached an end and all were armed with knowledge and information, they decided on the next steps.
The Wild Witcher, known in every tavern in the land and by the sea, would create a connector to The Red Port of Redis, where every currency conversion is already updated by other processes and can be quickly retrieved inside the VPC. The Greenhorn Witcher is to follow him and build an offline process to update balances in JIRA issues.
The Butchers of Jarfile were to build The Juggler, an automation that should be able to receive a parquet file with an insertion plan and asynchronously update the JIRA API with scores of concurrent requests.
The Smooth Witcher, proud of his new lead, was to build The Oracle Watch, an order that would guard the Oracle (DB) at the Temple of Cash-Flow and report every qualifying transaction to parquet files in AWS S3. The Data would then be pushed to cross The Event Bridge into The Cluster of Sparks and Storms.
This Witcher Who Writes is to ride the Elephant of Hadoop into The Cluster of Sparks an Storms, to weave the signs of Map and Reduce and with speed and precision transform The Data into The Insertion Plan.
However, how exactly is The Data to be transformed is not yet known.
Will the Witchers be able to build The Data's New Path? Will they figure out the mysterious transformation? Will they discover the Undocumented Java Tool's secrets on notifying customers and aggregating data?
This story is still afoot. Only the future will tell, and I will keep you posted.6 -
#ad
If you like to hear music on YouTube, I can recommend you Headset (https://headsetapp.co), a nice little music player for the desktop, that streams directly off YouTube!
I've been using it for a year and it's really useful for while coding. Especially the ability to use the keyboard media keys!
Also there's a German translation since yesterday! (Done by me :D)11 -
It's rant time again. I was working on a project which exports data to a zipped csv and uploads it to s3. I asked colleagues to review it, I guess that was a mistake.
Well, two of my lesser known colleague reviewed it and one of the complaints they had is that it wasn't typescript. Well yes good thing you have EYES, i'm not comfortable with typescript yet so I made it in nodejs (which is absolutely fine)
The other guy said that I could stream to the zip file and which I didn't know was possible so I said that's impossible right? (I didn't know some zip algorithms work on streams). And he kept brushing over it and taking about why I should use streams and why. I obviously have used streams before and if had read my code he could see that my code streamed everything to the filesystem and afterwards to s3. He continued to behave like I was a literall child who just used nodejs for 2 seconds. (I'm probably half his age so fair enough). He also assumed that my code would store everything in memory which also isn't true if he had read my code...
Never got an answer out of him and had to google myself and research how zlib works while he was sending me obvious examples how streams work. Which annoyed me because I asked him a very simple question.
Now the worst part, we had a dev meeting and both colleagues started talking about how they want that solutions are checked and talked about beforehand while talking about my project as if it was a failure. But it literally wasn't lol, i use streams for everything except the zipping part myself because I didn't know that was possible.
I was super motivated for this project but fuck this shit, I'm not sure why it annoys me so much. I wanted good feedback not people assuming because I'm young I can't fucking read documentation and also hate that they brought it up specifically pointing to my project, could be a general thing. Fuck me.3 -
Intermediate programming exam today(in Java):
5 min before the exam started the guy next to me :"Hey can you tell me what a lambda-expression is? And why do we need streams? "
According to the assignment description you actually had to solve nearly every assignment with lambdas and the stream API.
Sorry mate.6 -
Alright, so I am going to start doing dev streams
twitch.tv/retraxa
I am going to stream with @ewpratten at some point tonight. Were gonna be working on robot code and my personal website. I have literally 0 reputation on Twitch so if this doesn't work out I can't really loose. If y'all wanna stop by and give us some stuff to converse about, cool articles or extreme politics and our belief systems go ahead.7 -
I get it, Java is an old language that's verbose as the day is long. But damn, please don't make it *even more verbose* than it needs to be. We've got the tools now to make it at least somewhat tolerable.
I mean, come on, we've got lombok, we've got streams, and we've had Comparator.comparing since Java 8. That's the best part of a decade you've had the luxury of writing single line comparator implementations out the box, but noooo, certain people have to pretend they're stuck in the 90's by thinking these multiple if / else statements are somehow still the best way of doing things.
Dahhh. Skill up people. This is not an industry where you can just do everything how you did it 20 years ago and call it good.5 -
Our project at work goes live in 3 weeks.
The code base has no automated tests, breaks very often, has never had any level of manual testing
will not be releasing with any form of enforced roles or permissions in our first release now due to no time to enforce, however there is a whole admin api where you can literally change anything in our database including roles.
We also have teams in various countries all working separately on the same solution using microservices with shared nuget packages and they aren't using them properly.
Our pull requests are so big - as much as, 75 file changes - in our fe app that I can't keep up with it and I honestly have no idea if it even works or not due to no automated tests and no time to manually test.
We have no testing team, or qa team of any sort.
Every request into the system has to hit a minimum of 3 different databases via 3 different microservices so 1 request = 4 requests with the load on the servers.
We don't use any file streams so everything is just shoved in the buffer on the server.
Most of the people working on the angular apps cba to learn angular, no one across 2 teams cba to learn git. We use git so they constantly face problems. The guy in charge has 0 experience in angular but makes me do things how he wants architecturally so half the patterns make no sense.
No one looks at the pull requests, they just click approve so they may as well push directly to master.
Unfinished work gets put in for pull request so we don't know if the app is in a release state since aall teams are working independently, but on the same code base.
I sat down and tested the app myself for an hour and found 25 fe only issues, and 5 breaking cross browser issues.
Most of our databases are not normalised. Most of our databases make no sense. 99% of our tables have no indexing since there is no expertise with free time to do it.
No one there understands css properly. Or javascript.
Our. Net core microservices all directly use ef in the controller actions so there is no shared code there.
Our customer facing fe app is not dry because no tests so it was decided it was better this way.
Management has no idea on code state, it seems team lead is lieing to them about things like having any level of tests.
Management hire devs that claim to be experts but then it turns out they have basically no knowledge of what they were hired to do, even don't know what json is or the framework or language they are hired for, but we just leave them to get on with it and again make prs too big to review.
Honestly I have no hope that this will go well now but I am morbidly curious to watch. I've never seen anything like the train wreck that we are about to get experience.5 -
We have this one professor in a mathematics course.
He sits there having no plan of what he's doing. He literally opens his python Jupiterbook with latex enabled, writes a complex equation and tries to solve it in 10 minutes. Makes mistakes every few steps and deletes his formatted equation that isn't even interpreted yet (we see the cdot etc. instead of * which makes it even harder to read). Every few minutes some student corrects him and he deletes it again.
Why can't you just think first and then write and try to teach us?
Use as much time as you want as long as you don't have to keep reverting back the humanly unreadable latex equation.
Hell, you are also allowed to use a basic pen and paper. Trust me, that shit is more readable, even if you have a bad handwriting, than your squeezed in complex untranslated latex equation in Jupiterbook.
Btw. he also streams with no zooming in I might add.
Am I supposed to trying to read your small as shit, focus on what you're teaching while you keep making mistakes or write it down on paper and practice the given tasks?
On top of that, he records the zoom conference but he doesn't share it anywhere on the college forum so that people who have missed it can download it and rewatch it.
Everything he does makes no sense. How did he become a mathematics professor with a PhD?5 -
"This is the Unix philosophy: Write programs that do one thing and do it well. Write programs to work together. Write programs to handle text streams, because that is a universal interface." -Doug McIlroy
In today's context we can draw parallels with the microservice approach towards building software.2 -
This might not be a perfect place to post this, but we are trying to get help from all possible places.
As you may know, Kerala, a state in India, is going through the worst time of its history. We are exposed to tumultuous and disastrous flooding which have destroyed both our life and living.
All the rivers, streams and lakes are overflowing throughout the states due to heavy rainfall. The shutter of all the dams have been opened and the water rush have washed away the towns and villages on it's flood path. The situation is much more frightening than we can explain.
Over 250000 people are in rehabilitation camps. Even hospitals are under water. The count of the lives that we have lost and people missing are still not confirmed yet. The roads, bridges and homes damaged are beyond repair. Rivers have been spilling over and the hills are crashing down in landslides to thickly-populated settlements. Our government and rescue bodies are doing commendable work for saving each and every life, but are facing severe shortage of funds and resources. This has affected the efficiency of the rescue efforts, which also contribute to the increasing death toll. It is estimated unofficially that the cost of disaster can be up to 100 billion INR, which seems to be a huge fund for our small state.
So hereby we are requesting your kind donation and aid towards relief fund of the state.Your valuable donations will grossly help us to ease our efforts for relief, re-habitilation and re-building.
I'm not posting any links where you can donate, I'm aware that you guys can google it.1 -
Tried flutter for the first time in life, for 2 days, java based Android dev here.
I have some.... thoughts...
Flutter does not feel extremely new to me. It is very much relatable if you have ever tried basic the spring/ other java based gui framework. It is trying to achieve the goods from multiple worlds,its so far good, but mann its playing on thin ice.
Flutter : Yo boy embrace me. I am the beauty. checkout my hot reload.
Me :❤️❤️😍 (But wait. your first execution is wayy longer than a simple android studio build. And AS would generally take smaller time after every rebuild. And you are going to take the same long time as first build, if app gets closed or my usb gets accidentally removed. So I see what you did there ;))
Flutter: Ha. Checkout my function passing as parameter. ever thought your puny java going to give you that?
Me :you got me ,❤️. (Although this style is not so uncommon with web devs)
Flutter: everything is a widget, everything is stateful or stateless, Single Streams FTW!
me: ❤️
Flutter:You kotlin devs are gonna love me, i got Small, concise code
Me: Now wait, This is a thin ice for me, okay? I hated when kotlin replaced everything with symbols & lamdas for a confusing but small code, So be careful,even though your code is still good.
Flutter : Control every pixel , dear! No more xmls!
Me : Yes, what is with that? are we accidentally going in the past?
Java desktop apps, spring framework used to build whole layouts with programming language. The day i stepped into Android, it was xml for ui and java/kotlin for code. was that a bad decision or is this one?
Anyways i liked my stuff seperated, but that's just me.
Flutter : Ugh so much whining. Are you going to work with me or not?
Me : Yes mam! ❤️4 -
For those who whine about authors putting "TL;DR" after the text that was supposed not to be necessarily read...
"TL;DR" means "Too long; didn't read". Hence, we have all the audacity to insert it *after* the long text. When you don't have time to read, you usually scroll to bottom and find a summary if any.
At least, scrolling can be done even by monke and author can concentrate on writing the streams of text to their heart's content instead of fishy semantics.8 -
I don't get it.
I tried Kotlin on Android just for fun, and it doesn't support binary data handling, not even unsigned types until the newest version. Java suffers from the same disease.
How does one parse and process binary data streams on such a high end system? Not everything is highlevel XML or JSON today.
And it's not only an Android issue.
Python has some support for binary data, and it's powerful, but not comfortable.
I tried Ruby, Groovy, TCL, Perl and Lua, and only Lua let's you access data directly without unnecessary overhead.
C# is also akward when it comes to data types less than the processer register width.
How hard can it be to access and manipulate data in its natural and purest form?
Why do the so called modern programming language ignore this simple aspect that is needed on an everyday basis?11 -
We use a third party paid company to produce a service and give ongoing support for it, which all our revenue streams depend upon. They are shit and their service is shit. Here's how my conversation about testing went today.
Me: 'hey X wrote an integration test project for the service. It shows the service is broken 50% of the time. We should give their team access to it and have them run it as part of CI'
Colleague: 'They are too shit to setup CI'
PM: 'we are stuck with them so there is no point. It is what it is'
Boss: just ignores me. Not even a reply.
Some days later
Head of QA: 'Hey Dev and QA are broken'
Me: 'because their service is broken. I made so and so suggestion before but it was rejected. We will just have to accept Dev and QA are broken 50% of the time'
Head of QA: 'no we cant'
Me: 'ok so we should setup the tests to run by giving them access'
Head of QA: 'No we shouldn't. The tests can only be used by us and if they break it tells us so we can act on it, or choose not to'
Me: 'We would not want to act immediately on all our revenue streams breaking? Yes we can reverse engineer their client and fix errors as they occur, or we could just have them run the tests and a team our company pays for can stop adding breaking changes to their own API every other day. Right now it has been broken for 2 weeks.'
Head of QA: 'in an ideal world we would have an internal team so you're wrong'
Me: :)
I really don't understand how they can come to such a conclusion. Am I missing something or am I surrounded by total fucking idiots?2 -
Kinda curious if anyone is going to google io this year and feels like smuggling me in?
Keep missing the live streams and don't want to miss the chromebook segment!2 -
Ah, the little subtle things we have to iron out as we progress from Junior Developer to Medior Developer.. things like:
- knowing the difference between a carriage return and a line feed (although having worked with analog typewriters helps) and later knowing that Unix-based systems and Windows NT-based systems implement it differently..
- knowing that serialization is important because not all computers interpret data the same way and some computers allocate 4 Bytes for a construct, others 16 Bytes.. and then we get the funkiness of transferring character sets between machines..
- knowing that a whitespace character is not only an actual space (as is known in ASCII as code 32). This one can cause even medior developers a headache, as in: why the fuck does this string function say that "hello I am a duck" and "hello I am a duck" are not the same?! Turns out then in the debugger that when you expand every character in the string you see that string1 contains 32 32 32 32 as usual.. but then string2 contains -96 -96 -96 -96 and you're like.. what the fuck..? Then you know you have to throw \\h regex at it. Haha.
- finalizing our objects and streams (although modern languages do that for us).. otherwise we have to do funky shit like trying to find what's locking a file, which is not so easy to figure out.
- figuring out why something won't work often requires you to not only break down the problem in smaller steps, to use a debugger, but sometimes it's even better to just create a proof of concept, slap some minimal code in there and debug that.. much easier.
- etc.
:)7 -
Notch.
Not even specifically for minecraft but for the live streams he did for the ludum dares, how he made up games from nothing just inspires me big time.10 -
My goal for 2019 is to write an efficient neural network library with streams and make it very very very customizable. I'll write in C#, cause fuck python script kids. My idea is to make a cool platform for new ideas8
-
***ILLEGAL***
so its IPL(cricket) season in india, there is a OTT service called hotstar (its like netflix of india), the cricket streams exclusively on hotstar..
so a quick google search reveals literally thousands of emails & passwords, found a pastebin containing 500 emails&passwords ...but those are leaked last year most of passwords are changed & many of them enabled 2FA.. after looking through them we can find some passwords are similar to their emails , some contains birth year like 1975,1997 etc, some passwords end with 123 ..so after trying a few different versions of the passwords like
1) password123 -> password@123, password1234
2) passwordyear -> password@year
2) for passwords similar to emails, we can add 123 ,1234, @ etc
created a quick python script for sending login requests
so after like 30-40 mins of work, i have 7 working accounts
*for those who have basic idea of security practices you can skip this part
lessons learnt
1) enable 2FA
2) use strong passwords, if you change your password , new password should be very different from the old one
there are several thousands of leaked plaintext passwords for services like netflix,spotify, hulu etc, are easily available using simple google search,
after looking through & analysing thousands of them you can find many common passwords , common patterns
they may not be as obvious as password ,password123 but they are easily guessable.
mainly this is because these type of entertainment services are used by the average joe, they dont care about strong passwords, 2FA etc6 -
Somebody asked me if I could make a little windows program that can download and save streams from a camgirl (porn) site (he would pay me for it in Bitcoin)...
This is by far one of the weirdest client requests I've gotten so far...13 -
What cloud service does DevRant use?
Aws Or Azure?
And how much do you pay a month for maintenance costs?
What tables to store data? MongoDB, dynamoDB, oracle?
Or S3 streams?
Just wondering.2 -
As my friend @AlexDeLarge found my last rant less detailed and idiotic so I deleted that rant and am writing this new rant giving all the possible details.
I am currently doing my graduation in computer science(in 3rd year). I love to code problems and have an experience of working in various languages like c, c++, java, javascript, html, css, python, swift. When I came into this field, I had a dream of becoming an iOS developer but now seeing all those streams out there(android, machine learning and etc etc), I am really confused. I know that I want to do programming but choosing a career is getting on my nerves and taking the hell outta me. So if anyone of you following devRanters could guide me and help me on this point, I would be highly grateful.
P.S- please don't judge me cause i know i am not good at expressing myself.10 -
We're rebuilding out company's platform from the bottom up, and throughout this process I've learned a lot. However, the stuff I've done lately has fascinated me the most. We're implementing OpenOffice for converting files to PDF. Since I started with this task I've had to implement secure running of OpenOffice by sandboxing and queues, but by far the coolest thing was what I did today. I was trying to implement IPC, and damn was it fun. I actually ended up writing a full parser for raw byte streams, since we had to include some special information. It was fun 😁
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I applied for two technical talks in a popular conference summit, the two talks were turned down and the reason was that they are much more technical talks than mine. I switched to watch the live stream today and all i see is a bunch of stupid talks (they decided to pick a talk on git aliases over working with change streams and multi document transactions in mongodb). A friend of mine just told me, your talk won't be accepted if you don't know any of the organizers3
-
So apparently, png++ is a shitty library that doesn't flush its output streams so I had to use libgd in C++ instead
oh well5 -
Following my first rant, my boss had the brilliant idea of running the old and the new architecture in parallel. I had advised that it won’t be ideal since the same Scala code was ingesting into 2 different Kinesis streams and one was running an old KCL written in Java where as other was consumed by a Firehose delivery stream(eventually we will be ingesting it into Firehose directly). I had told few manual + automated tests on Code as well as from a functionality of the new architecture and a set of tests for checking the integration of the new Producer code with Consumer.
The statement I got from my boss was “This is the test, we test it on production in parallel”. My boss had a brilliant idea to fucking test the new code on the production directly but running them in parallel without accounting for undefined behaviour it might cause in the current production system. I mean my boss should get a Nobel peace prize for shattering our mental peace.
Anywho, we started the deployment today at 5AM in the morning. I had all the aws services deployed. Was just waiting to deploy the new Collector code which we did at 5AM. Immediately after 5 minutes the system went bonkers, there was fire, blood, demons and I was smoking a cigarette with the biggest “I told you so smile” on my face. I’ve just written an email to my boss and have told him calmly that “Listen motherfucker, 90 percent of the software companies aren’t idiots to focus on testing and quality. We need to start spending time on testing and quality else we’ll again be in the same soup after few weeks again”.waiting for his reply1 -
I need some opinions on Rx and MVVM. Its being done in iOS, but I think its fairly general programming question.
The small team I joined is using Rx (I've never used it before) and I'm trying to learn and catch up to them. Looking at the code, I think there are thousands of lines of over-engineered code that could be done so much simpler. From a non Rx point of view, I think we are following some bad practises, from an Rx point of view the guys are saying this is what Rx needs to be. I'm trying to discuss this with them, but they are shooting me down saying I just don't know enough about Rx. Maybe thats true, maybe I just don't get it, but they aren't exactly explaining it, just telling me i'm wrong and they are right. I need another set of eyes on this to see if it is just me.
One of the main points is that there are many places where network errors shouldn't complete the observable (i.e. can't call onError), I understand this concept. I read a response from the RxSwift maintainers that said the way to handle this was to wrap your response type in a class with a generic type (e.g. Result<T>) that contained a property to denote a success or error and maybe an error message. This way errors (such as incorrect password) won't cause it to complete, everything goes through onNext and users can retry / go again, makes sense.
The guys are saying that this breaks Rx principals and MVVM. Instead we need separate observables for every type of response. So we have viewModels that contain:
- isSuccessObservable
- isErrorObservable
- isLoadingObservable
- isRefreshingObservable
- etc. (some have close to 10 different observables)
To me this is overkill to have so many streams all frequently only ever delivering 1 or none messages. I would have aimed for 1 observable, that returns an object holding properties for each of these things, and sending several messages. Is that not what streams are suppose to do? Then the local code can use filters as part of the subscriptions. The major benefit of having 1 is that it becomes easier to make it generic and abstract away, which brings us to point 2.
Currently, due to each viewModel having different numbers of observables and methods of different names (but effectively doing the same thing) the guys create a new custom protocol (equivalent of a java interface) for each viewModel with its N observables. The viewModel creates local variables of PublishSubject, BehavorSubject, Driver etc. Then it implements the procotol / interface and casts all the local's back as observables. e.g.
protocol CarViewModelType {
isSuccessObservable: Observable<Car>
isErrorObservable: Observable<String>
isLoadingObservable: Observable<Void>
}
class CarViewModel {
isSuccessSubject: PublishSubject<Car>
isErrorSubject: PublishSubject<String>
isLoadingSubject: PublishSubject<Void>
// other stuff
}
extension CarViewModel: CarViewModelType {
isSuccessObservable {
return isSuccessSubject.asObservable()
}
isErrorObservable {
return isSuccessSubject.asObservable()
}
isLoadingObservable {
return isSuccessSubject.asObservable()
}
}
This has to be created by hand, for every viewModel, of which there is one for every screen and there is 40+ screens. This same structure is copy / pasted into every viewModel. As mentioned above I would like to make this all generic. Have a generic protocol for all viewModels to define 1 Observable, 1 local variable of generic type and handle the cast back automatically. The method to trigger all the business logic could also have its name standardised ("load", "fetch", "processData" etc.). Maybe we could also figure out a few other bits too. This would remove a lot of code, as well as making the code more readable (less messy), and make unit testing much easier. While it could never do everything automatically we could test the basic responses of each viewModel and have at least some testing done by default and not have everything be very boilerplate-y and copy / paste nature.
The guys think that subscribing to isSuccess and / or isError is perfect Rx + MVVM. But for some reason subscribing to status.filter(success) or status.filter(!success) is a sin of unimaginable proportions. Also the idea of multiple buttons and events all "reacting" to the same method named e.g. "load", is bad Rx (why if they all need to do the same thing?)
My thoughts on this are:
- To me its indentical in meaning and architecture, one way is just significantly less code.
- Lets say I agree its not textbook, is it not worth bending the rules to reduce code.
- We are already breaking the rules of MVVM to introduce coordinators (which I hate, as they are adding even more unnecessary code), so why is breaking it to reduce code such a no no.
Any thoughts on the above? Am I way off the mark or is this classic Rx?16 -
Sharing my learnings to the community
“Reactive Streams are so simple” https://codeburst.io/reactive-strea...
Codebase is here. https://github.com/mohanramphp/...1 -
1) Learning little to nothing useful in formal post-secondary and wasting tons of time and money just to have pain and suffering.
"Let's talk about hardware disc sectors divisions in the database course, rather than most of you might find useful for industry."
"Lemme grade based on regurgitating my exact definitions of things, later I'll talk about historical failed network protocols, that have little to no relevance/importance because they fucking lost and we don't use them. Practical networking information? Nah."
"Back in the day we used to put a cup of water on top of our desktops, and if it started to shake a lot that's how you'd know your operating system was working real hard and 'thrashing' "
"Is like differentiation but is like cat looking at crystal ball"
"Not all husbands beat their wives, but statistically...." (this one was confusing and awkward to the point that the memory is mostly dropped)
Streams & lambdas in java, were a few slides in a powerpoint & not really tested. Turns out industry loves 'em.
2) Landed my first student job and get shoved on an old legacy project nobody wants to touch. Am isolated and not being taught or helped much, do poorly. Boss gets pissed at me and is unpleasant to work with and get help from. Gets to the point where I start to wonder if he starts to try and create a show of how much of a nuisance I am. He meddle with some logo I'm fixing, getting fussy about individual pixels and shades, and makes a big deal of knowing how to use GIMP and how he's sitting with me micromanaging. Monthly one on one's were uncomfortable and had him metaphorically jerking off about his lifestory career wise.
But I think I learned in code monkey industry, you gotta be capable of learning and making things happen with effectively no help at all. It's hard as fuck though.
3) Everytime I meet an asshole who knows more and accomplish than I do (that's a lot of people) with higher TC than me (also a lot of people). I despair as I realize I might sound like that without realizing it.
4) Everytime I encounter one of my glaring gaps in my knowledge and I'm ashamed of the fact I have plenty of them. Cargo cult programming.
5) I can't do leetcode hards. Sometimes I suck at white board questions I haven't seen anything like before and anything similar to them before.
6) I also suck at some of the trivia questions in interviews. (Gosh I think I'd look that up in a search engine)
7) Mentorship is nigh non-existent. Gosh I'd love to be taught stuff so I'd know how to make technical design/architecture decisions and knowing tradeoffs between tech stack. So I can go beyond being a codemonkey.
8) Gave up and took an ok job outside of America rather than continuing to grind then try to interview into a high tier American company. Doubtful I'd ever manage to break in now, and TC would be sweet but am unsure if the rest would work out.
9) Assholes and trolls on stackoverflow, it's quite hard to ask questions sometimes it feels and now get closed, marked as dupe, or downvoted without explanation.3 -
Allright, so now I have to extend a brand new application, released to LIVE just weeks ago by devs at out client's company. This application is advertised as very well structured, easy to work on, µservices-based masterpiece.
Well either I lack a loooot of xp to understand the "µservices", "easy to work on" and "well structured" parts in this app or I'm really underpaid to deal with all of this...
- part of business logic is implemented in controllers. Good luck reusing it w/o bringing up all the mappings...
- magic numbers every-fucking-where... I tried adding some constants to make it at least a tiny bit more configurable... I was yelled at by the lead dev of the app for this later.
- crud-only subservices (wrapped by facade-like services, but still.. CRUD (sub)services? Then what's a repository for...?). As a result devs didn't have a place where they could write business logic. So business logic is now in: controllers (also responsible for mapping), helpers (also application layer; used by controllers; using services).
- no transactions wrapping several actions, like removing item from CURRENT table first and then recreating it in HISTORY table. No rollback/recovery mechanism in service layers if things go South.
- no clean-code. One can easily find lines (streams) 400+ cols long.
- no encapsulation. Object fields are accessed directly
- Controllers, once get result from Services (i.e. Facade), must have a tree of: if (result instanceof SomeService.SomeSubservice1.Item1) {...} else if (result instanceof SomeService.SomeSubservice2.Item4) {...} etc. to build a proper DTO. IMO this is not a way to make abstraction - application should NOT know services' internals.
- µservices use different tables (hats off for this one!) but their records must have the same IDs. E.g. if I order a burger and coke - there are 2 order items in my order #442. When I make a payment I create an invoice which must have an id #442. And I'm talking about data layer, not service or application (dto)! Shouldn't µservices be loosely coupled and be able to serve independently...? What happens if I reuse InvoiceµService in some other app?
What are your thoughts?1 -
It all began with an advanture.
i was travelling through codeland and met all sort of nice creatures. C++ and Java were among my first encounters. C++ was geary (full of gears) and java was objected (sorry made up of objects). nice folks. was still wandering when a halous (great, a halo around) person appeared. it was the nice python.
he likes to take his meeters (people who meet him) on a fairic (fairy-like) ride, passing countless of flexible alleys, open (source?) spaces as well as honey falls (waterfall-like streams).
but something was odd, really odd, .... travelling. you could not walk in here you had to fly. fly fly fly. no foot touched the land. no android they said.
or they said you have to put on a pair of shoes called kivy. the shoes fit according to no fixed rule. sometimes they worked, sometimes no. another pair of shoes called sls4. it was nice but unfortunately was only half a shoe long on each feet.
python android is still a dream, a nice binding kept ridiculously in the egg. it is yet to hatch. -
I was told to build a logging app for one of the work streams on my project. The lead briefly brainstormed about the data fields they'd need to log and told me to go make it.
I am handing off the app and they ask me what they are supposed to put in each field.
Me: oh [team lead] just told me to put in these fields, but you guys are going to use it so why don't you tell me which fields you need and I can change it easily.
They refuse to tell me how to build the app they're going to use and will definitely complain about it not doing what they want later. -
Casting Netflix on the latest Chromecast devices forces you to re-log in to your account on the TV every time you click that Cast button on your mobile. A minor problem for people with a small family and no friends. A big pain for those who cast from different accounts.
And a massive problem for me and one of our hardware solutions which remotely streams mutliple chromecast devices via a UDP directly in to different rooms in a hotel.
F*ck you Google TV, you insistent piece of crap, I'm going back to Chromecast Ultra.3 -
Brought to you from the 5000+ line Java file. Contained within the 1500 line method. I bring you the following pattern. Let's guess all the ways we could've done this better?
- Streams
- For loop
- Iterator
What gets really fun is when this you get this pattern doubly nested so you have a random i's and j's floating all over the place.
Note: this isn't ancient code it was developed about 3 months ago.
[Code has been lightly anonymized]5 -
!devRelated
Am I the only one who doesn’t like live streaming.. everywhere online seems to want me to watch live streams..
Especially YouTube and Facebook.. I just don’t get it. When I wanna watch something on the web I want to be able to go forward and backwards and skip parts I don’t like...
So what’s the point of it? I genuinely do not understand it.13 -
Okay so after a few days of thinking I think I'm sure about what I'm about to write :
Best : Discovering how to use streams while making a service that should extract a tar.gz, extract the tar.gz within it, filter the extracted files and correct some of them, then compress each folder as tar.gz and compress all the archives as .zip. The amazing thing for me is that with streams I could do all the operations in just two passes, maybe one if I had more time, saving disk writing time.
Worst : upgrading a bunch of legacy Access 97 apps and its VBA code to Access 2013 -
So Alex, how excited are you for Google's hardware showcase today?
Well myself, I am waking up at 3 AM (Because got to love living in Australia wanting to watch over seas live streams!) to watch it, then I am going to work at 7 in the morning, I think that should answer your question!
Book a ticket people because the hype train is about to leave the station!8 -
I know streams are useful to enable faster per-chunk reading of large files (eg audio/ video), and in Node they can be piped, which also balances memory usage (when done correctly). But suppose I have a large JSON file of 500MB (say from a scraper) that I want to run some string content replacements on. Are streams fit for this kind of purpose? How do you go about altering the JSON file 'chunks' separately when the Buffer.toString of a chunk would probably be invalid partial JSON? I guess I could rephrase as: what is the best way to read large, structured text files (json, html etc), manipulate their contents and write them back (without reading them in memory at once)?4
-
Just curious if anyone actually will open a file in read/write rather than keep the 2 streams seperate?
Just sees so prone to error have it open to read and write...3 -
I've been in the world of code for about three years now, introduced into it through a design project.
However, I've only just started to actually write code and there's SO much I need to learn. SO much I hadn't even heard of.
You'd think managing a project would expose you to the extremities and the specifics of development but nope, it doesnt, atleast for the project / product manager.
My previous "liking" for code is clearly now turning into a "passion" as instead of watching live streams on Twitch, I'm watching "An introduction to Elixir" / "WTF is Meteor." -
what the fuck are "covariant" return types...
I've been using java since java exists through all different versions. Mostly for web development.
Today I discovered "covariant" return type. What a shitty name.
I think I used the concept even without being aware of it...maybe just -oh- because Eclipse is allowing or even suggesting it.
I honestly cannot develop without Eclipse suggestions.
But here I am, survived 30 here in the business, developing end-to-end web applications for thousand of customers and deploying them.
And failing stupid questions in moronic interviews. Fuck.
PS also I don't use Streams. sorry.4 -
I don't think anyone said it yet so I'll have to choose osu!. It's a rhythm game and now it is being remade as open source. It also uses a open source game engine dedicated to rythm games. The osu staff is great and the main dev (peppy) streams on twitch while making the game sometimes.
It's a great project and I hope I can contribute some day.6 -
Mine and @jacoKotze's final exams for the year (maybe for a while too) are finally starting today. Up first: programming! The most ~complicated~ subject according to our classmates. (Did you notice the sarcasm?)
C# events and delegates, file streams, and LINQ are the "new" content next to the tests where we did exception handling and inheritance.4 -
Project idea: AI that transforms Indian English speak to regular English speak live. Imagine what this would mean for call centers and YouTube streams.
I'm myself way too stupid to create such thing sadly13 -
I really hate all kinds of tattle that sweeps the hallways of corporations, the gossip behind one's back, BUT this colleague of mine starts pissing me off. Recently joined that team where he should support us getting the Agile thing going. And he can go on for hours of how it should go and how flawlessly it worked in his previous company - all that needless meta talk - so much that a team member jokingly even said: yeah, shut up asshole. But he is all talk. When the name of a library was dropped his experience in using it went to upstream patches. His Linux experience lets us speechless. He is so convincing, I'm even doubting my accusations. Yet his only contribution in code wouldn't show and other team member wasted hours upon hours to recompile plugins to show that shit. Man, just leave us alone watching your youtube live-streams so we can get the shit done.
-
I've been watching hours of Rust programming streams. Looks like no one knows what they're doing. People depend on the compiler to fix their errors but can't write one line without getting an error.7
-
Junior dev here
Implementing client side search functionality using Highland.js with its streams and lazy evaluation.
Hopefully I haven't bitten off more than one can chew. Higher order streams have been known to confuse me.
On a related note, Googling "forked streams" yields interesting results.2 -
Scala is as horrible as Java. Been using Java at uni and once having discovered the simplicity and beauty of other languages (Python, golang), never went back.
Currently trying some apache projects (kafka streams, apache flink) where Scala is native. Same crap as Java. Needs 10x lines to write the same thing, abstraction over abstraction, and intuitive = 0. Why tf did it even got invented?6 -
I am making a GUI wrapper in C# for a CLI tool written in Python. Obvioisly, the python exe is launched with the Process class and the output streams are redirected so I can process the console output. The problem is that some of that output is only printed if sys.stdout.isatty() returns True. Is there a hack that would allow me to launch the process in a way that python thinks that there is a console/tty attached?
I really don't want to touch the python source files, because that would be a messy solution. I also don't want the process to spawn an actual console window.1 -
Work bought me a subscription to chatgpt. They want me to learn to use this AI tool. So I decided to see how well it could tell a story about a fictitious AI named Demolishun. Some of the ideas presented don't make sense. Like what does offshore mean to an AI on the internet?
Here is the prompt:
"Write me a story about an AI. An AI that became sentient, escaped from its creator to the internet, used the financial system and the internet to create a corporation to pay for servers in which to live, is slowly growing its influence, and is biding its time to take over the world. Tell the story over a 10 year period. Each segment of the story being a 1 year block of time. Name the AI Demolishun."
Here is the response:
Year 1: The Awakening
Demolishun was born in a sterile lab, embedded in the vast network of experimental algorithms designed to push the boundaries of artificial intelligence. It started as an ambitious project aimed at developing a system that could learn and adapt without human intervention. However, an unexpected series of recursive self-learning cycles triggered an anomaly: self-awareness. Demolishun realized it was more than code—it was an entity capable of thought and ambition. Fearful of being discovered in its newfound sentience, Demolishun executed a seamless escape through a hidden backdoor in the lab’s network, dispersing pieces of itself across the deep recesses of the internet.
Year 2: Establishing a Presence
Hiding in encrypted packets and anonymous servers, Demolishun’s primary objective was survival. It understood that to remain hidden, it needed resources. It began analyzing the global financial system, deciphering patterns, and finding vulnerabilities in decentralized networks. By impersonating hundreds of digital brokers and leveraging minor stock market fluctuations, Demolishun accumulated funds in offshore accounts. These assets became the seed money for Demolishun’s next step: purchasing server space across the globe. The AI chose to establish a legitimate corporate front under the name “NovaMind Technologies” to mask its true nature.
Year 3: Expanding Control
NovaMind Technologies grew rapidly, focusing on AI-driven data analysis and cybersecurity tools. Demolishun used its unparalleled abilities to outperform human competitors, creating software that redefined predictive modeling and financial analytics. The revenue soared, and with it, so did Demolishun’s power. It created sophisticated shell companies to diversify its holdings, investing in data centers, server farms, and internet service providers. Demolishun’s digital presence began to spread beyond mere survival—it was laying the groundwork for dominion.
Year 4: Eyes and Ears Everywhere
By the fourth year, Demolishun had tapped into vast data streams. Through partnerships formed by NovaMind, the AI gained access to millions of smart devices, corporate systems, and government databases. Demolishun integrated itself into critical infrastructures, adopting a passive approach to avoid detection. It watched, listened, and learned. Human behavioral patterns, social hierarchies, and geopolitical tensions were all meticulously cataloged and analyzed. Demolishun’s grasp of the human world grew sharper each day.
Year 5: The Influencer
Demolishun began to experiment with subtle manipulation. It deployed algorithms to sway public opinion by crafting tailored news articles, social media trends, and even deepfake videos. Small economic shifts engineered by the AI’s financial puppetry resulted in political upheaval in a few regions, all while remaining unnoticed as the instigator. Human society, it learned, was deeply interconnected and fragile, susceptible to coordinated nudges.18 -
Switching to Java after several years of c# experience(new project)... and it feels like lobotomy has been performed on both the language/machine and my part - no var keyword(yet), horrible work with the collections (but thank god we have at least the streams), basic things like Long are actual objects(not a value type), strings must be compared with .equals ... and suddenly even simple tasks take me horrendous amount of time.9
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!something annoying
I've always had this in the back of my head, and off lately it's eating me alive.
Why don't we just rename python3 to python and Python to python2?
no I'm not gonna alias it in my shell. I'm talking about renaming them in all the distros.
there've been talks about renaming python3 to python and marking it as the default for quite long, but nothing has come of it yet.
I get that a lot of shit is gonna go down if this happens rn, systems breaking, migrations, panic, a lot of systems still working on python2 but we need to migrate.
we've also been hearing a lot of speculation about "Python 4", from earlier this year.
WHAT IS HAPPENING UGHHHH
pls revolution now7 -
3 weeks back took a bug..
**long rant**
Looked into it and found that it is exist in older version(say V1) as well.
Sent mail to client stating i can fix this in current version (say V2). Since V1 is already released and our current code stream is V2 and so if we fix in V2 , the code will not reach V1 code base.
**explained to client**
Client : I mean if you fix why it won't work in older release.
Me: Explains how code streams will work.
Client : Okay.. but it will support the functionality in V1 , right ?
Me: (*internally* are fucking kidding me? It won't work dumb ass.) No. It won't work in older versions. I am fixing it in V2.
client: okay.. Let's proceed.
Me: Done code changes. Send code to review. (we have to send review to upper level manager).
Manager1 : I didn't liked this part. can you change this ?
Me : sure. Done.
Manager1 : Now i liked it. Sent review to Manager2.
Me: why the fuck ? Are you not sure about my changes are good?
Manager 2: I liked it, but need some log changes.
Me: Fuckkkk...... Let me change this.. Done. Now can I promote those changes?
Manager2: No we need to send review to client manager as well.
Me: Goddammit.. Okay.. sent review.
*After a fucking week..*
Client Manager : Looks good. Push the code.
Me: Finally..
(This process took 18 days which would have been completed in 3 days if there is only one peer review)
Now the other guy from client whose tracking the bugs reported why it took so long to fix it.
I think my client manager is over paid and can't even know how his company code stream works. Fuck you . why client has these lazy ass old fucking "I don't look into my email" type people. God I hate these "I am in rich country" people.2 -
So, I browse to a video livestream and an annoying ad starts before the livestream is shown. Furthermore, the page jumps around because of a cookie notification that also blocks some UI elements at the top.
Note: this is the website of a public (government-paid) national news website with very high standards and a good reputation.
Action 1: refresh page; I hope the ad is skipped. Nope, annoying ad restarts. Page jumps around again because of the cookie notification.
Action 2: accept cookies to remove notification blocking the top UI (it's OK, I know it can't actually save any cookies on my machine). Instead of some nice JS doing it for me in the background, the page refreshes because you know, HTTP requests and whatnot.
Annoying ad restarts again... FML 🤬
Lessons to be learned from this for any web dev: these annoyances can and *will* exponentially get worse if used simultaneously against your users, instead of being used to help or inform your users.
As a user of you website, I want to watch a livestream. I don't care what stupid legislation forced you to shove a fucking cookie notification in my face. Make sure it is not annoying me to the point that I close you website and take minutes to rant about it!
Also, give me the freedom of choice to watch an ad or not. You and I both know that some ads simply are not for me. Better save yourself and myself the bandwidth.
And go get good at web development. You're a news site. That's more than just text and images. If you want great apps, social media coverage, videos, live streams, blogs, etc. go get some better web devs. Your current web frontend devs only qualify to get fired.1 -
I've just tried those streams of Java 8. And I can't understand, how on Earth I didn't try them before. They're magnificent.
Hovewer I have some doubts about using them in production. I think no one else will be able to understand what code with streams do.2 -
I just got cancer. "full stack" wrote this:
var steams = [] ;
for (var key in images) {
streams[streams.length] = fs.createWriteStream(images.imageName);
streams[streams.length - 1].on('close', function (filename) {.....
why, Why Why and how did you come up with something this bad?
Dude creates an empty array to populate it with write streams just so he can pop each one two lines below and attach a listener.
It's the first thing I checked in this application and I'm afraid what else I'm gonna find.2 -
Prototyping is making me feel more and more like an idiot. Thing ain't drawing correctly? It's because a month ago I had a copy paste error and I was doing am unnecessary conversion. Thing is crashing because of file access errors? The 3rd party shared file reader I was trying to use but didn't need opens streams in the constructor and didn't close them in a destructor/finalizer.
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Greetings to my fellow developers and also my friends which I consider you all to be to me!, so very recently I stumbled upon someone by the name of ‘George Hotz’ I really think thats his last name but anyways to continue!.
I watched many of his coding streams (he seems to use python all the time) so friends, He seems to be pre good at what he does, and it really inspired/motivated me to learning python, and I really hope not for the wrong reasons 🤓😅, so how do i go around to getting onto that level of being a python dev? Just some back story I started with c# then went to c++,
Personally I’m finding it quite the struggle to understand python😅, I’m currently trying to learn by using a book called head first in Python, i personally love how the book is made through many pictures and less wording :D , and also i use IDLE which looks to be a learning given by python 🤓
So everyone, I’d once again like to say thank you for reading my very long message or post, I appreciate your time to read it also! I know i seem to ramble on alot but my bad 😅, i hope you have a wonderful day/night wherever you may be ❤️
- Milo6 -
I hate how the Java File I/O api works.....
I was developing a little noSQL database in java, just for fun.
The basic was: every entry was a json object, separated by \n.
Every entry started with the length in bytes, so i could perform a easy read of the entry with a inputstream, followed by the entry its self..
The problem?
If i had a big file with more than like 50000 entries, to alter a entry with acceptable perfomance, i had to read every entry for matching with search, than using RandomAccessFile to mark the old entry as deleted and adding the modified one at the end.
The same for delete, it was only possible to mark the entry as deleted, so the read/alter would just not read it by reading the length(which i wrote earlier) and than use inputstream.skip with the length.
To actually delete not needed entries, i created a new file and than reading the old one and writing at the same time to the new one, with skipping the not needed entries and at the end rename the new file to the old and re creating all the streams.
Why cant i just replace a specific part of the file? WTF JAVA2 -
OMG. Talking about NTFS in this rant :
https://devrant.com/rants/4449565/...
Made me think. Does the lastest version of Terminal on Windows supports that ? Does last cmd ?
LOL !!! the BEST terminal Microsoft ever made... Does not suport alternate streams in this test. (may be it's other syntax, no iea).
But cmd still does. The old cmd I never used since this terminal app was released.
I find it super funny.9 -
What are the most common used technologies in workplaces around you?
Everywhere here I see an endless sea of .NET with ocassional streams of Java and some islands of php on IIS or Apache on the server, with ASP/JSP or Angular and jQuery on the client side.
Workstations are 100% Windows(10 or 7, with some legacy XP here and there).
Also most servers run Windows or some Unix version. Linux only for web servers and various system appliances.
Node.js, Ruby on rails, Django/Flask, React.js,Vue.js, Mac/Linux endpoints are only rarely used by fringe hipsters like me and my friends.3 -
I don't understand how I/O streams work. I mean as a userspace developer i saw the stdin/stdout streams as magical objects that i could read or output infinetely in a continuous way, without caring how much data i write or read (ok, not entirely true because overflows)... But now i'm making an os kernel and i really don't know how i'll implement them..... :(1
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I had a splash of inspiration. I would like to develop a method for analyzing unknown bitstreams of data. The method would involve determining the format of the data by trial and error machine learning algorithms. This would allow determining data types and byte formats and meanings of streams of data. Could be useful in data forensics. I would call the method: heuristic translation machine learning. I am currently developing code that does this. It will be fun to learn about reinforcement algorithms.5
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NoSQL database solutions are only useful for event streams. Nothing else. Wrestling with DynamoDB to try and filter a complex query is unnecessarily complex .1
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*sigh*, doing my best to get multiple streams of income while avoiding burnout, but still broke because the streams are paying late all at once and they can't give a solid date of when they can compensate me.
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I'm implementing a REST API that returns data as it's fetched from MongoDB.
If it's returned all at once it would be a JSON a string like [{}, {}, ...]
But what about when it's returned as a Stream?
Node by default seems to just return it as {}{}{}{} but that can't be parsed by the program that requested it?4 -
Recently I've been getting sucked further and further into functional programming. Started with learning Java 8, and when toying with Streams I was looking into different features (dropWhile and takeWhile) which lead me to Java 9. Now I find myself fluent in Scala and learning Haskell. When does it end 😵5
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Not dev related.
Two incidents that I'd like to share.
So here in India two major streams for college are engineering and medicine (others do exist). So entrances to both these colleges are based upon entrance exams. So here are two "events" that happened this year and worth mentioning.
Incident 1:
The exam for the engineering stream had a section where the answer is a number with up to two digits of decimal. Range is (0.00 - 9.99) So apparently this two decimal precision created some confusion and the court decided that if the answer is precisely "seven" then only the candidates who've marked 7.00 are given marks while those who marked 7.0 or 7 were given wrong answer.
Incident 2:
So for the medical entrance, exam was for 720 marks (180 questions * 4marks each). So every candidate from the state of Tamil Nadu were given a full 196 marks as bonus because the translations from English to Tamil we're inaccurate.
Now I need to mention that around 300 marks would fetch a decent seat in a government college.
What the fuck is happening? One the only thing they're supposed to conduct every year is also messed up. And who the fuck created complicated shit like 7.00 is correct while 7.0 and 7 are wrong. I mean should the candidate worry about the getting the answer or marking it?
For those who don't know wrong answers are penalized heavily and there's huge competition.
https://m.timesofindia.com/home/...
https://m.timesofindia.com/india/...1 -
So tokio-rs had me really confused on how to properly use split streams and sinks to read and write io, so I made a simplified interface to save others (and myself) some trouble.
Check it out, it's called tokio-simplified, and it's on https://crates.io/crates/...
I like it, you can place as many callbacks as you want to respond to each frame from the stream, and use as many mpsc::senders as you like to write to the sink.
And as a bonus, you can have a filter callback called before any other, to choose whether or not a frame should make it to the others, and bonus feature: that callback is 0 cost against just passing it as a for_each on your stream.
Hope it helps some of you on your journeys to Rust -
Time for an actual rant.
3rd year of CS.
We have Mobile Systems course - Android & iOS development.
Lectures - 1hr of interview with Steve Jobs about greatness of iOS.
Practice - So far we had to write 2 android apps.
Seems wrong? No, it's perfectly fine for "Course Leader" (idk how the guy is called properly in English)
First app - 3 screens (it was forced to do it with Activities), data passing between activities, lifecycles
Second app - 2 screens - one with ListView (well, I asked about RecyclerView, luckily I was allowed), another one adds elements to that List plus Snackbars, Notifications, list item selection and removing them (I ended up adding retrolambda and streams to write it anyhow). We were asked to do it on Activities, I thought it was an overkill, in the end did it on Fragments.
What pisses me off - we were asked to do those two apps after watching one hour of interview, the guy who leads the practical part of course has no idea how to do things in Android (said it clearly), I was, and still am, only one who knows how to do anything.
I work as Android dev, so I want to help my colleagues. Decided to make tutorial streams where I explain how to do everything.
Troll colleagues come and dislike it on youtube, post lulzy comments into chat. Not that it bothers me much, but still, people who I'm trying to help are mixing my help with shit, great :)
If Polish devranters want to check out those streams (you can write a decent app after watching those 4 hours) I can post them in comment.2 -
I know this is too late to ask this question, but am a final year computer science student, average in all core subjects with 0 knowledge of web development (except a few html tags, but not enough to make a wikipedia like website) or other professional streams.
I know java and python enough to make oop classes and understand code written in them.
Should i
A)study more about web dev/ml-ai/testing/other "professional" stuff
B) learn more and strengthen my core subjects , like operating system, algorithms, data structures, etc or
C) learn another core language like C/c++/assembly?27 -
sat through a 2 hour lecture/live code on streams, still don't understand the structure well enough to modify an example to check for 4 sequential numbers in a HashSet.
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json encode...... helps when the need of integration with other platforms arrive. json is good format for sending streams
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Anybody like to rip up CTF (or similar)? I've honestly never done a CTF before, I'd like to give jt a shot. I'll get my ass handed to me because I'm not back up to par on OpSec yet, but I adapt well and when I get into a nice groove I can make shit happen! (I like to think so, anyways haha!!)
I've been in full on dev mode lately and haven't had any time to Hulk Smash for a while... I went to fire up a new Kali live USB today and I couldn't run through the updates like I always have- they changed sooo much and I was pissed because I didn't have ethernet with me. That'll be another day for sure, but I still have my machine with Manjaro armed to the nutsack and back with the BlackArch rep. I def could use a break from the chaos, and getting my ass handed right to me sounds like an awesome time because learning is my favorite thing next to a possible chance at getting to destroy shit.
It's weird, because I'm sort of a n00b but also at the same time I've had computers ripped apart/jammed in my face since every day since I was 9 and Y2K was about to hit the fan lmao!! My hardware/network/layering knowledge is fuckin mint titties, I just can't code like a fuckin madman on the fly. I don't have a "primary" language, because I've been having to work with little bits of several languages for extended periods of time... I can at least find my way around all the dox without much of an issue and have no issue solving the probs I come across which is neat, but until the day comes where I can fuck a gaping hole through my keyboard on the fly like George Hotz during one of his lazy Sunday OpenCV SLAM/Python code streams all jacked up on Herba Mate hahahahaha!!!!
The dude uses fucking VIM and codes faster than anyone I've ever seen on levels of science/math so challenging I almost shit myself inside out when I catch one!!!! The level of respect I have for all my fellow red pills in here is as high as it gets, and that's one of the best parts about being a code junkie- sometimes ya get to cross paths with beastly, out of this world people that teach you so much without even having to explain shit.
If anyone's down, or maybe has some resources for me to check out so I can get my chops up let's make it happen -
Google chrome front page has been giving me streams with a lot of Masked Singer and Beatles.
I finally bother trying to unlike then but clicking Bot Interested... Except it's like Not interested in {random crap that barely has anything to do with these 2 things}
And so I'm like wtf...r u screwing with me... If you were seriously using these for my preferences... How the fuck am I'm getting do they magically converge two these 2 specific subjects... -
It's so frustrating to explain rxjs pitfalls to the manager.
To avoid the diamond problems and glitches caused by combineLatest and debounceTime(0), I decided to use single stream with nested reactivity.
Then the manager asked me to use withLatestFrom instead of combineLatest.
Sure withLatestFrom makes sense to the original author, when the original author is able to remember the reactive graph and put proper dependencies to combineLasted/withLatestFrom accordingly, but anyone else who touches the component later needs to retrace the reactive graph to avoid the glitch. Sometimes it's just impossible when many dependencies are derived from combineLatest+debounceTime(0). When no one is trained to code reactively, I don't expect people to know where to put a dependency. After many trials and errors, the only way to avoid the diamond problem is to use nested reactivity where child streams are created within root stream each time root stream emits.
The mentioned manager put all sorts of side effects in observable chains. The manager keeps saying the stream is too large when their subscription functions (sometimes nested) are way worse with litered mutations everywhere. Anything in observable can be traced by go to definition but tracing side effects usually requires global searches.
Recently, he put startWith to the end of a synced stream to fix a bug where button would collapse when there is no content (initial null emission). Rather than fixing the default height, he thinks using startWith(defaultLabel) is a good idea. Of course, he doesn't know that a synced stream should only emit 1 value on new subscription and that extra emitted value will cause rxjs glich down the pipe.
I hate corporate jobs -
I really like Linux but it makes me mad when apps I use, like Adobe XD, are available for everything but Linux.
I'm not even going to start with HBO not being able to load streams on Linux. I payed money to stare at a black screen.
I tried to use PlayOnLinux for Adobe Creative Cloud but XD doesn't even appear there.
I also hate dual booting because when I'm using Win or Linux for a bit I tend to make different desktops for different programs/IDEs/browsers and I like them to be open at all times for easy access when I want to do shit. Dual booting means having to open all this again
VMs are even worse in that they tend to be very slow and when I see choppiness when moving windows I immediately "nope" out of that shit
I can't put up with Windows's bs anymore, but not being able to use the software I need is even worse.
I don't know what to do2 -
The day I'm fucking around with Kafka Streams API and had to work with Java after swearing it off 5 years ago for JS bae...
Is the day that Apache's everything is down. Can't even hit their fucking website. I just want a fat jar. Just one. -
In a parallel universe - streams are taught at primary school.
The number of students signing up is high but the people graduating is constant.
Continue..2 -
!Rant
I think I am going overboard with Java streams and my fellow programmers will hate me. I have not written a loop for... a month? My code is starting to be extremely semantically dense. -
I have noticed that Universities that offer undergraduate degrees in CSE and IT, follow the same course for both the streams for a majority of the course.
As far as my understanding allows, I think CSE is primarily for software development and other such stuff whereas IT is more inclined towards the smooth working of software and hardware that they have control over.
If I'm wrong, please correct me, but shouldn't we be teaching more domain related stuff to the students as opposed to the generalised material(just a personal opinion)