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Just had a recruiter turn me down because my GitHub commit frequency wasn't high enough, I asked for a link to the employers GitHub account, "sorry, they don't contribute to open source projects".8
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Me: doing light browsing.
CPU Fan: increases frequency like crazy.
Me: opens task manager.
Windows 10: 60% cpu usage.
Me: sort processes by cpu usage; sum does not match.
Me: closes iTunes update window.
CPU usage: drops to less than 10%.
The update had already finished and the CPU usage was 60%!!!
WHAT THE HELL ARE YOU DOING, APPLE?3 -
I don't think GitHub expected 1,000k+ on the code frequency graph...
(Look at the scale on the left)
2 -
Woohoo! 32k achieved!!! Finally I can post some new rant without risking some sudden overshoot 😁
So putting celebrations aside for a minute, a while ago I've noticed a tingle when I stroke my finger across metal areas of my tablet, or the sides of my phone (which probably has metal near it too) while it's charging. And it's been bugging me ever since.
Now, some things to note are that it only happens when my feet are touching the ground though slippers, and that the frequency is so low that I can actually feel the tingle when I slide my finger across the material. This to me at least seems like electricity flows through me into ground, and touching the ground directly provides a path so easy for the electrons to run away that I don't feel it at all. But if I lift my feet off the ground entirely, I just get charged up and after that, nothing else happens.
So those are my ideas. The answers on the subject on the other hand.. absolute cancer. Unsurprisingly, most of them came from Apple users. Here's some of them.
https://discussions.apple.com/threa...
- I've not noticed it, but if you're concerned bring the phone to Apple for evaluation.
- Me too facing same problem.. did u visit apple care?
And one good answer at least...
- google emf sensitivity, its real. You are right, there is a small current flowing through your body, try to limit your usage. The problem with this issue is those who aren't affected (lucky ones for now) will tell you these products are 100% safe. To a degree they are, i used my ipod touch for about 2 years straight vwith virtually no symptoms. then the tingling started and it gets worse.You will get more sensitive to progressively less powerful things. I dont want to scare you but just limit your usage like i didnt do 🙂
Overall that discussion was pretty good actually, aside from "bring it to the Genius Bar, they'll know for sure and not just sell you another unit". But then there's Reddit.
https://reddit.com/r/iphone/...
- Ok, real reason is probably that the extension cord and/or outlet is probably not grounded correctly. Either that or you are using a cheap knockoff charger.
Either use a surge protector and/or use the authentic Apple Charger.
- It's not the volts that hurt you, it's the amps
- I think you are in deep love with your phone. That tingling sensation is usually referred to as "love" in human language.
- Do less acid, I would advise.
Okay, so that's the real cancer. Grounding issue sounds reasonable despite it being wrong. Grounding is actually not needed when your charging appliance doesn't have any exposed metal parts. And isolation from high voltage to low voltage side actually happens through things like routering holes into the PCB, creating spark gaps, and using galvanic isolation through things like optocouplers. As for a surge protector? I'm using them to protect my PC and my servers, but the only purpose they serve is to protect from.. you guessed it.. voltage surges, like lightning bolts hitting the grid. They don't do shit for grounding or reducing this tingle! What a fucking tool.
It's not the volts that kill, it's the amps.. yeah I'm sure that the debunking of that is easy to find. Not gonna explain that here. And the rest of it.. yeah it's just fucking cancer.
Now what's the real issue with this tingle? It's actually a Class-Y rated (i.e. kV rated) capacitor that's on the transformer of any switch-mode power supply, including phone chargers. If memory serves me right, it helps with decoupling the switching noise and so on. But as it's connected to the primary side of the transformer, if the cap is sufficiently large and you are sufficiently sensitive, it can actually cause that tingle by passing a fraction of the mains electricity into your body. It's totally safe though, as the power that these caps pass is very small. But to some, it's noticeable.
Hope you found this interesting! And thanks a lot for bringing me to 2^15. I really appreciate it ♥️
15 -
Yet another rant about crappy electronic designs.
Just now I was cleaning my desk and stumbled upon some old hard drive in a caddy that I still had laying around.. I figured, let's plug it in and see whether the drive still works. And to some extent, it does! Except that every few minutes it craps out on me. And after disassembling the caddy, I think that I know why.
Just as background information, hard drives work at 12V and generally require about 10W to spin their motor. Meanwhile USB operates at 5V. So a boost converter needs to be present in the controller to step up the voltage and power the drive.
Now what's a boost converter? It's an inductor, a capacitor, a transistor and a diode in a specific arrangement (if you're interested in the design, check out https://youtube.com/watch/...), along with feedback circuitry to stabilize output voltage. Now that transistor is important.. it switches at very high frequency, and its rise and fall times create heat. In the particular transistor used in that controller, it apparently causes the transistor to operate at 65-68°C. That's quite toasty IMO, and overheating may be why the controller is so unstable. But the Chinese manufacturers thought that it's just fine and okay to be sold without heatsink or some research into transistors with better rise and fall times.
So the hard drive craps out on me and yet again it's because of certified shitdesigns. MOTHERFUCKTURERS!!!!27 -
Am I the only one who thinks all the fuss around github stars, commit frequency, or any social vanity metric in programming is just completely stupid ?8
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Bit of an essay. TLDR: come Monday I'm either getting fired or promoted. And the CTO is a dickhead. If you think you work with me or know who I am, no you don't, shut the hell up.
Was having a discussion with my team, went on for a bit, at one point my manager mentioned that the CTO wanted me to go into the office occasionally, same thing I've had since I joined when they literally wanted me to move hundreds of miles to be close to the office mid covid when the office was closed. I give a nondescript answer. He's a bit more persistent, I snap a little but the conversation moves on. Discussion of company and team dynamics, at one point he makes a comment about people at another company being told if they don't go into the office they won't be eligible for promotion.
I ask everyone else on the call to leave.
I point out that 2 years ago me and him were interviewing candidates. He on a few occasions introduces me to candidates as a _senior_ engineer. My job title does not contain the word senior. I let it slide the first time, not worth it for a slip of the toung. Happens a couple more times, I take him aside and privately point out my job title does not contain the word senior. He says he didn't realise and thought I was.
My take away then: I'm expected to do the work of a senior without being paid for it and without being given the acknowledgement of the appropriate job title. I remind him of this. My job title hasn't changed. Fuck, I took a low ball offer when I joined and have had a minimal pay rise in like, 3 years. My tone is "not happy".
His response? He discussed promoting me with CTO however budged constraints. I somewhat understand, however.
We have promoted several people in the last few years. We have grown by hiring new people in the last few years (5 in a company of 30). There are ways to compensate someone in ways that do not impact day to day budget (shares, TC, total compensation, is normal terminology in the tech field for this). I ask why the hell should I travel a few hundred miles to the office to get get to know people, put effort in to a company that demonstrably doesn't value me? Particularly as all levels of management have completely failed at developing a social atmosphere during covid? My first month, I had 3 5 minute meetings with my manager a week. That was all of the communication I had with people. I literally complained and laid out what they should do instead, they adopted most of it.
I also ask him if he genuinely thinks being here is in my professional interest? My tone has well passed pissed off.
I will say, I actually quite like my manager, we have a good working relationship and I've learned a lot from him.
He makes some mediocre points, tries to give advice about value of shares. To me, the value of shares is zero until they are money. The value to the company, however, is that it's a sizeable chunk on their balance sheet and shares sheet that they have to be willing to justify. If I wanted money, I'd go work at a high frequency trading bank and make 5x what I'm on now. No joke, that's what they pay, I could get a job, came close in the past but went to amazon. He understands.
He says will discuss with CTO. They were on a call for like an hour. His tone has changed to "you will be promoted ASAP, comp may be structured as discussed". Point made.
I'm in this job because it's convenient, is easy for me. Was originally lower challenge than previous, has a range of chances to learn and _that's_ the value to me. He's suitably nervous.
Point made I think.
So given I swore a few times, at least once about the CTO. Interesting to see how it goes.
Message from him to the effect that he spoke to CTO, has been told to write a proposal for promotion (kinda standard), will discuss with HR on Monday as they're on holiday.
So, maybe not getting fired today?
Blood pressure still very high.10 -
So yesterday I posted a photo on linkedin jokingly that I was the in the top 10 of typescript developers in the country. I know that codersrank doesn’t assess your skill but rather the frequency but my linkedin has blown up 😂😂 think I’ve become a social media expert by accident 🤷🏼♀️
5 -
When I was about 10 I tried to make a basic midi sequencer/synthesiser using just the python standard library.
The only sound production there was was winsound.beep, which played a sine wave at the frequency given.
I realised that if I put enough really short beeps together I could make some mildly convincing instruments - I remember an electric piano, acoustic guitar, some kind of bass synth, and maybe more?
Then I put them together to make a song. The problem was though that you can't play multiple notes together as winsound.beep was blocking (though I didn't understand that at the time).
I had no knowledge of threading or async so I opened multiple python interpreter instances to play multiple channels. That's how I learnt about command-line arguments!
But I really struggled to get the sounds to be in time because python is not exactly rapid.
I made a kind of note sequencer using a library called easygui, based on tkinter (TCL wrapper), and I remember being told off at school for bringing in a usb stick with the exe of my program that I made with py2exe.
So many old technologies and fond memories...2 -
Long rant ahead.. 5k characters pretty much completely used. So feel free to have another cup of coffee and have a seat 🙂
So.. a while back this flash drive was stolen from me, right. Well it turns out that other than me, the other guy in that incident also got to the police 😃
Now, let me explain the smiley face. At the time of the incident I was completely at fault. I had no real reason to throw a punch at this guy and my only "excuse" would be that I was drunk as fuck - I've never drank so much as I did that day. Needless to say, not a very good excuse and I don't treat it as such.
But that guy and whoever else it was that he was with, that was the guy (or at least part of the group that did) that stole that flash drive from me.
Context: https://devrant.com/rants/2049733 and https://devrant.com/rants/2088970
So that's great! I thought that I'd lost this flash drive and most importantly the data on it forever. But just this Friday evening as I was meeting with my friend to buy some illicit electronics (high voltage, low frequency arc generators if you catch my drift), a policeman came along and told me about that other guy filing a report as well, with apparently much of the blame now lying on his side due to him having punched me right into the hospital.
So I told the cop, well most of the blame is on me really, I shouldn't have started that fight to begin with, and for that matter not have drunk that much, yada yada yada.. anyway he walked away (good grief, as I was having that friend on visit to purchase those electronics at that exact time!) and he said that this case could just be classified then. Maybe just come along next week to the police office to file a proper explanation but maybe even that won't be needed.
So yeah, great. But for me there's more in it of course - that other guy knows more about that flash drive and the data on it that I care about. So I figured, let's go to the police office and arrange an appointment with this guy. And I got thinking about the technicalities for if I see that drive back and want to recover its data.
So I've got 2 phones, 1 rooted but reliant on the other one that's unrooted for a data connection to my home (because Android Q, and no bootable TWRP available for it yet). And theoretically a laptop that I can put Arch on it no problem but its display backlight is cooked. So if I want to bring that one I'd have to rely on a display from them. Good luck getting that done. No option. And then there's a flash drive that I can bake up with a portable Arch install that I can sideload from one of their machines but on that.. even more so - good luck getting that done. So my phones are my only option.
Just to be clear, the technical challenge is to read that flash drive and get as much data off of it as possible. The drive is 32GB large and has about 16GB used. So I'll need at least that much on whatever I decide to store a copy on, assuming unchanged contents (unlikely). My Nexus 6P with a VPN profile to connect to my home network has 32GB of storage. So theoretically I could use dd and pipe it to gzip to compress the zeroes. That'd give me a resulting file that's close to the actual usage on the flash drive in size. But just in case.. my OnePlus 6T has 256GB of storage but it's got no root access.. so I don't have block access to an attached flash drive from it. Worst case I'd have to open a WiFi hotspot to it and get an sshd going for the Nexus to connect to.
And there we have it! A large storage device, no root access, that nonetheless can make use of something else that doesn't have the storage but satisfies the other requirements.
And then we have things like parted to read out the partition table (and if unchanged, cryptsetup to read out LUKS). Now, I don't know if Termux has these and frankly I don't care. What I need for that is a chroot. But I can't just install Arch x86_64 on a flash drive and plug it into my phone. Linux Deploy to the rescue! 😁
It can make chrooted installations of common distributions on arm64, and it comes extremely close to actual Linux. With some Linux magic I could make that able to read the block device from Android and do all the required sorcery with it. Just a USB-C to 3x USB-A hub required (which I have), with the target flash drive and one to store my chroot on, connected to my Nexus. And fixed!
Let's see if I can get that flash drive back!
P.S.: if you're into electronics and worried about getting stuff like this stolen, customize it. I happen to know one particular property of that flash drive that I can use for verification, although it wasn't explicitly customized. But for instance in that flash drive there was a decorative LED. Those are current limited by a resistor. Factory default can be say 200 ohm - replace it with one with a higher value. That way you can without any doubt verify it to be yours. Along with other extra security additions, this is one of the things I'll be adding to my "keychain v2".11 -
Y'know, I'm an audiophile. I want perfect sound, and that's why I want high quality headphones and audio files. I dislike speakers because the sound changes from room to room quite a lot, while it doesn't with headphones, and that would also be distracting when I'm coding. Anyway, that's not what I'm complaining about.
I really don't get it when I download music that has been given out to download for free by the author or recording label, it sometimes comes as a WAV or FLAC. I have enough space on my phone/SD card anyway so gimme lol. Sometimes, I like a song so much, I buy it but often, I never get a WAV or FLAC or anything similar to that. Only MP3 320kbps, WHICH SIMPLY ISN'T ENOUGH FOR MY AUDIOPHILE NEEDS SINCE I CAN CLEARLY HEAR THE FUCKING FREQUENCY CUTOFFS. AAC 320kbps would sound way better (WITH LESS FUCKING FILESIZE, MIND YOU) and its compatibility is also good enough to distribute it as such, but that's something that, again, only fucking free downloads sometimes use. IT MAKES NO FUCKING SENSE! GIVE US PROPER FILES IF WE PAY FOR YOUR GODDAMN MUSIC!23 -
[!dev]
Today I learned that although the frequency unit Hertz is named after a person, the German name for heart - the most human example of a periodic system - is also Herz, pronounced the same.2 -
How many times do YOU visit devRant in a day?
Me? About 10-15 depending on how bored or eager I am to read all of y’all crazy rants.
P.S. this is like therapy without actually having to pay an asswad amount of money for an actual therapist or session.
P.P.S you are all AMAZING people and developers, I just wanted to share that with you all 😍❤️8 -
Step 1. Learn to code .
Step 2. Exchange code for money.
Step 3. Exchange money for car, soap & a clean shirt.
Step 4. Profit.
[GOTO: Step #1]
Lol. OK on a serious note coding improved my love life, it drastically reduced the frequency of dates - but dramatically improved the quality and duration of my relationships.
I used to believe that anyone/thing had the potential to be great - and (like me) all they needed was a little time to seize an opportunity.
This essentially meant there were no deal breakers and I spent a lot of time giving people benefit of the doubt and investing a lot of time & effort supporting and trying to build on aspirations that would turn out to simply be fantasies I was indulging.
I still idealistically believe that everything/one has infinite potential - only now I know which problems are worth solving, which are purely for fun or a thought experiment and which should immediately be thrown out and refactored.
All the ambition in the world is void without drive.1 -
Here is way to find the element with maximum frequency in a list in Python:
a = [1,2,3,4,1,2,3,4,1,2,3,1]
print(max(set(a), key = a.count))5 -
Got an assignment in school to make an easy project in c for embedded real time processors with a free complexity level (it was really early in the course and many had never been programming before).
Since I've been working a few years in development I decided to create an own transmitter and receiver for an own protocol between processors (we had just spent a week to understand how to use existing protocols, but I made my own).
The protocol used only 1 line to communicate with half-duplex and we're self adjusting the syncing frequency during the transmission. I managed to transmit data up to 1 kbps after tweaking it a bit (the only holdback was the processors clock frequency).
Then I got the feedback from our teacher, which basically said:
"Your protocol looks like any other protocol out there. Have you considered using an UART?"
Like yeah, I see the car you built there looks like any other car out there, have you considered using a Volvo instead?1 -
!dev
Got one of these today, pretty cool in my experience. I do not have any experience at all with sdr's.
I taught I broke it for a good 30 min thinking 350 € down the drain, turns out i accidentally set the antenna gain to 0 (damn ui designer)
3 -
I learned recently that you can inject SQL lines in some fields like Passwords or usernames on some websites. (Hacky hacky)
At work there is this intra website that is used to manage the parts of the radios and computers we repair.
Each piece has a specific number, and there is a tree with every pieces for each radio/computer.
When we get to repair one, we gotta change the pieces virtualy on the website. Sadly sometimes, the virtual pieces aren't marked like they followed the whole Radio from the place they come to the place we repair (we need it to replace the piece). People are just not doing their job, so we have to send emails and call for them do it so we can repair it. (This is already fucked up.)
Today, I had to replace a piece, but it was marked like it's not there. I called the guy, and it seems like he is on a vacation for weeks. My superior was super annoyed due to the urge of this task.
Guess who managed to change the _mainlocation_ of the _piece_ in the _radiopieces_ table. (Not actual names, you malicious cunt)
I spent 3 hours looking for the name of the fields and table. I don't know how many times I had to refresh the dam page to see I failed once again.
Hopefully I didn't have to guess all of them. Also the joy when I realised I succeed !!!
No one bats a eyes, and I'm here, feeling infinitely superior, as I might get punished for wanting to do my job.
I know it's basic moves to some of you, but dam it felt good.
Conclusion: Do what you have to, specially when it takes 5 minutes and people need it.10 -
Sitting at traffic lights on my way home from work thinking about the programming behind how often the windscreen wipers are triggered, how to store the values of each wiper setting in a meaningful data type, and how to handle the event of changing wiper settings eg. to ensure the wipers aren't triggered immediately when increasing the frequency.
Wish my mind could rest when I'm outwith work but I experience this sort of thing worse after drinking alcohol. Must have a problem.5 -
Working on an AI that learns to generate quatrains, by only feeding it every letter of the alphabet at the beginning.
It's learning super slowly, but theoretically it works. And with slowly I mean it takes 5000 iterations just to realize the optimal letter frequency to generate a word that is real.
Please just kill me.2 -
So just finished my last algorithms and data structures class frequency, feeling pretty confident about the grade, today it'll be all weed, pizza and sex. Life is good :')2
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Since I love playing music on my piano, and because I love programming, I created this:
A program which uses YIN (some kind of FFT algorithm) to create this audio spectrum. It can read from any audio source, be it microphone or the computers audio output. There are 3 lines in the graph at the bottom:
Both magenta lines, both are movable, allow you to just select a part of the audio spectrum to show, which is very useful if you just want to get the chords out of a song, or just the notes.
The cyan line can also be moved, it tells the program the lower limit to calculate the actual notes/chords from the frequency bars (which are calculated by the FFT algorithm).
In the top right of the spectrum is, in magenta color, one single note. It shows the currently loudest frequency as a note.
In the top right corner is a simple image of a one-octave piano. Every note over the cyan line will be shown on this piano. This is very useful for chords.
Since compression will fuck this image up, here is a link: https://i.gyazo.com/fbbee76faecbac3...
What do you think about it? I fucking love it.
2 -
[Post marked as: devRant]
I think one of the weak points in the official devRant app is performance. That's probably due to the cross-platform stuff...
You see, if I shutoff 6 out of 8 cores on my CPU and force my GPU to only run at the lowest frequency possible, devRant gets HELLA laggy. However, games like Geometry Dash run just fine. No lag whatsoever.
It's not that bad though, just explains why devRant uses so much battery on some phones. -
Me: If humans lose the ability to hear high frequency volumes as they get older, can my 4 week old son hear a dog whistle?
Doctor: No, humans can never hear that high of a frequency no matter what age they are.
Me: Trick question... dogs can't whistle.3 -
Hot Take:
Subscription based products are exactly why we don't see major break-throughs in software anymore.
*** I am warning you, don't mention AI in the comments, I am gonna fucking lose it. ***
Tell me one thing, If you spent thousands to create a product that you now have a good subscriber base on, why would you invest money into making another? Why wouldn't you just consider improving the product at hand and selling it to more people to create additional profit?
In the 90s we used to get any software on CDs/DVDs and you actually got to own it. Meaning that the company can only take money from you ONCE and never again (almost). This also meant that the companies knew that soon they'd have to come up with something else that will make them money, thus them creating new software every couple or so years, some even creating ground-breaking software.
But then, there is thing called MONOPOLY.
We will never get another music app than Spotify or Apple music, because they are just too far ahead. They're built on subscription model.
You can probably think of more examples of great companies building great products and moving them to subscription model and therefore never creating another software, because frankly, why take the risk to lose money when you can gain more money by improving the product at hand?
We will never get the same frequency of good games coming to market from established companies like RockStar. Why should they bothered to make GTA 6 when they can sell millions of worth of Shark Cards every month and rake in the profits?
Subscriptions have totally killed off software creativity and motivation for devs/companies to create great software.17 -
!rant
"If you want to find the secrets of the universe, think in terms of energy, frequency and vibration."
Nikola Tesla
If you want to understand your business, think in terms of customers, problems, and solutions.6 -
Three days after I purchased iPhone XS, I had to install a new modem at home. The phone wouldn’t connect to the wifi network in the higher frequency band. The guy who came to install the modem dished out the theory that the phone must be too damn old to support it. That burn!
PS: it connected almost a couple of seconds later that. As if it was some kind of extra layer of authentication. Well played Apple.6 -
Recently attended a meeting about lessening the frequency of meetings and making them more productive. After three hours, it was decided that we needed to block out three more meetings in the future to follow up on this topic.
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Need a phone upgrade. So now the question is, do I want the $1000 version of the phone I am already using but from a hipster fruit based company or do I want a Korean phone that, given their recent track record, will have a battery that vibrates at the exact frequency that cause wasps to attack the user's testicles?
Oh and it should probably be a thing I can make apps for but doesn't require I learn the thing that pretends it isn't Objective-C.8 -
So I got to thinking about computer systems and how they are all based on binary. So the math we perform is obviously based upon a binary approach. Then I started wondering if there was value in exploring math using a different base. I know in math we can shift things to a different domain to do things more efficiently (like Laplace transforms to get to the frequency domain to do freq based calcs, or quaternions to do various orientation calcs). I thought maybe a base 3 logic might do some calcs better. I searched and found that indeed some ternary computing systems had been built. I then searched for libraries that might employ ternary math as an exploration exercise. I didn't find anything except academic articles (few at that).
This idea of changing the base in the math (and possibly the frame of reference) is interesting. It is like searching for treasure and not being sure it even exists.
https://en.wikipedia.org/wiki/...5 -
"what's the update?" - Team Lead
For every fucking idiotic task given, every 3 hours, as if the world is gonna end, while all you did in that time was have a tea, chat for a while, send a few mails, sat with a few co workers and checked up on them.
And then he gives me all these "tricky issues", which are apparently critical, and demands updates with a higher frequency! Never sat with me to solve even one of them. Not one.
I never thought that I lacked the basic common sense to update you as soon as I fucking have one.
Ooh, also loop in the senior manager right before annual appraisal. There goes my hike!3 -
We basically don't unit test at work. I write some tests for my code and honest to God people complain I'm wasting time saying a test bed and manual tests are good enough. We don't write test beds for about half of our production code and rely on integration tests for the rest. We only test release builds which have been symbol stripped, I get handed a crash report with no stack trace that I'm unable to reproduce and expected to stay late to fix it for some arbitrary internal deadline.
I've since moved to R&D where basically I'm left to do my own thing so it's better.
We don't project manage. Project leads take time estimates and double them so management might cut them some slack. This doesn't matter because management made up time estimates before the project started. Last project I was on had a timeline of 3 months and took a year.
We have released broken products. Not that any of the above really matters, our software products have made about 50k revenue in 2 years. There are 6 people on software. Fortunately hardware has made about 3 mill. That said our hardware customers are getting frustrated with us as we keep fucking up, shipping broken products and missing deadlines.
I've been working there about a year and a half and will be looking for a job at the end of the current project.
I joined devRant about when I was most pissed off with my job, my rant frequency has definitely gone down since I moved over to R&D. -
The company that manages my ISA for Lambda emails on a regular basis to get you to update your income. I got annoyed by the frequency while I was employed so started filtering everything.
Though I’ve been up to date with reporting income to them and submitting tax documents, etc, I apparently missed some important emails.
Like the one on the 4th saying a third party provider flagged by account for employment with CompanyA and that I needed to submit my pay stubs for CompanyA.
I do not and have never worked for CompanyA. My husband works for CompanyA.
I also missed the email from the 12th saying I’m in breach of contract and owe them $19,091.65 immediately.
*head desk*
I’m so mad I can’t even.
Why did i check my email before going to sleep?
AND I POSTED RECENTLY SO I CAN’T EVEN RANT YET. *
*Waited it out -
Sometimes I feel like my brain has a really fast CPU. But the RAM frequency really bottlenecks the whole system.
Any suggestions to upgrade the RAM?1 -
Is there a word cloud and ngram (word frequency over time) for devRant?
I'd like to test the following hypotheses:
- 'Fuck' is in the top 20 words.
- Swearing happens more often as the week progresses, with the exception of a small Monday morning spike. -
so, any EE here?
I'm a self-taught EE (shots fired! I was told to call myself an "inventor" so I don't offend my dear EE friends!)
Anyways... I just made a huge insight that wanted to share!
in the circuit that has been breaking my head for the past couple of days (switching DC-DC [boost, buck] converter the inductor takes care of holding the current stable while the capacitor the voltage. (apart from an low-pass filter...) The higher the frequency the smaller the capacity of the inductor needed, the less amount of wire, less resistance, more watts!!!!!11 -
Good code is a lie imho.
When you see a project as code, there are 3 variables in most cases:
- time
- people / human resources
- rules
Every variable plays a certain role in how the code (project) evolves.
Time - two different forms: when certain parts of code are either changed in a high frequency or a very low frequency, it's a bad omen.
Too high - somehow this area seems to be relentless. Be it features, regressions or bugs - it takes usually in larger code bases 3 - 4 weeks till all code pathes were triggered.
Too low - it can be a good sign. But it should be on the radar imho. Code that never changes should be reviewed at an - depending on size of codebase - max. yearly audit. Git / VCS is very helpful here.
Why? Mostly because the chances are very high that the code was once written for a completely different requirement set. Hence the audit - check if this code still is doing the right job or if you have a ticking time bomb that needs to be defused.
People
If a project has only person working on it, it most certainly isn't verified by another person. Meaning that only one person worked on it - I'd say it's pretty bad to bad, as no discussion / review / verification was done. The author did the best he / she could do, but maybe another person would have had an better idea?
Too many people working on one thing is only bad when there are no rules ;)
Rules. There are two different kind of rules.
Styling / Organisation / Dokumentation - everything that has not much to do with coding itself. These should be enforced at a certain point, otherwise the code will become a hot glued mess noone wants to work on.
Coding itself. This is a very critical thing.
Do: Forbid things that are known to be problematic in the programming language itself. Eg. usage of variables in variables, reflection, deprecated features.
Do: Define a feature set for each language. Feature set not meaning every feature you want to use! Rather a fixed minimum version every developer must use and - in case of library / module / plugin support - which additional extras are supported.
Every extra costs. Most developers don't want to realize this... And a code base that evolves over time should have minimal dependencies. Every new version of an extra can have bugs, breakages, incompabilties and so on.
Don't: don't specify a way of coding. Most coding guidelines are horrific copy pastures from some books some smart people wrote who have no fucking clue what you're doing and why.
If you don't know how to operate on people, standing in an OR and doing what a book told you to do would end in dead person pretty sure. Same for code.
Learn from mistakes and experience, respect knowledge from other persons, but always reflect on wether this makes sense at this specific area of code.
There are very few things which are applicable to a large codebase on a global level. Even DRY / SOLID and what ever you can come up with can be at a certain point completely wrong.
Good code is a lie - because it can only exist at a certain point of time.
A codebase should be a living thing - when certain parts rot, other parts will be affected too.
The reason for the length of the comment was to give some hints on what my principles are that code stays in an "okayish" state, but good is a very rare state -
Even I want devRant feed to be filled with quality rants, but 1 rant/hour is bit less!
Like 5 or so would be better?
3 -
The move by Amazon to increase prices of Prime seems to me to be a negative move.
Now I’m not saying the increase hurts me financially or anything but it forces people to make a decision where there wasn’t one before.
With a few seconds of though it is easy to see that what we are paying for is their Amazon Prime Video, because there is no change or update to the Prime delivery services.
So now you have to think...
“Is Prime Video worry this increase?”
I don’t know about you, but personally I see Prime Video as a “me-too” product that adds little or no value.
I’ll keep Prime because I order a lot of shit, but others without this frequency of purchase may decide to leave.
Seems like forcing people to make this decision may not be a good move for Amazon.9 -
I am honestly flattered by the fact that @scor really, unironically thinks that “by the frequency and varsity and depth you post and comment and self imaging”, I can't be a single person, and there is a whole TEAM behind me!
Honestly, I don't care about insults. Neither yours, nor of that schmuck that is salty because he posted some stupid misogynic shit a while ago, I reposted it as a screenshot, and he was obliterated by the community.
I'm only posting this because people out there legitimately think I'm a hive mind. It's not every day that you're told whatever you do cannot be done by one person. To me, this is more of a compliment.
Looking past devRant, I would like to meet @scor and other haters IRL. I have no hard feelings. I'm just an autistic person with bipolar disorder. I post whatever I want, as it's somewhat therapeutic.
You don't have to acknowledge it, but here's an honest, personal message: if you at any point compare yourself to me and lose, remember, my personality and creativity is a negligent, slight payoff for a literal hell that is a mental disorder. My thoughts are thinking themselves. I can't control them. My body is twitching constantly. I'm both actively anxious and always tired. My intellect suffers a massive penalty in a depressive phase, like now.
Finding at least some positive side to that hellscape is absolutely vital, and any person with a disorder can tell you that.
The fact that I'm social, I have friends and a job is a miracle. I'm privileged. I've seen a lot of people less lucky than me. They weren't able to monetize their troubled, sharp brain. I was.
21 -
Looking for a lightweight blogging platform to add to my website and I came across this:
https://mashable.com/2014/05/...
SUCK IT WORDPRESS
Ahem sorry, all these Wordpress rants along with my own Wordpress experience has kinda influenced my decision making.
Does anyone have any personal recommendations?
I feel like given the frequency at which I intend to post and the lightweight requirements I have since I’m on a pay-for-what-you-use host it’s probably best just to write posts manually as HTML pages9 -
I am thinking of an algorithm to rank a RANT based on the frequency of slang words in it. Any ideas?
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Whatsapp...if you're trying to switch over to a new phone or just reinstalling on the same phone for some reason.
It creates a "local" backup everyday at 2.30 am and a Google drive backup depending on the frequency you set in the settings (I usually keep it to "Weekly"). I've lost important messages this way more than I care to admit.7 -
Last year we had a meeting to discuss lessening the frequency of meetings and let people work more of the day. After a three hours, it was decided that nothing was getting solved, resulting in three more meetings to be added to the calendar to follow up.
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Recently many of us may have seen that viral image of a BSOD in a Ford car, saying the vehicle cannot be driven due to an update failure.
I haven't been able to verify the story in established news sources, so I won't be further commenting on it, specifically.
But the prospects of the very concept are quite... concerning.
Deploying updates and patches to software can be reasonably called *the software industry*. We almost have no V0 software in production nowadays, anywhere (except for some types of firmware).
Thus, as car and other devices become more and more reliant on larger software rather than much shorter onboard firmware, infrastructure for online updates becomes mandatory.
And large scale, major updates for deployed software on many different runtime environments can be messy even on the most stable situations and connections (even k8s makes available rolling updates with tests on cloud infrastructure, so the whole thing won't come crashing down).
Thereby, an update mess on automotive-OS software is a given, we just have to wait for it.
When it comes... it will be a mess. Auto manufacturers will adopt a "move fast and break things" approach, because those who don't will appear to be outcompeted by those who deploy lots of shiny things, very often.
It will lead to mass outages on otherwise dependable transportation - private transportation.
Car owners, the demographic that most strongly overlaps with every other powerful demographic, will put significant pressure on governments to do something about it.
Governments (and I might be wrong here) will likely adapt existing recall implementation laws to apply to automotive OS software updates.
That means having to go to the auto shop every time there is a software update.
If Windows may be used as a reference for update frequency, that means several times per day.
A more reasonable expectation would be once per month.
Still completely impossible for large groups of rural car owners.
That means industry instability due to regulation and shifting demographics, and that could as well affect the rest of the software industry (because laws are pesky like that, rules that apply to cars could easily be used to reign in cloud computing software).
Thus... Please, someone tells me I overlooked something or that I am underestimating the adaptability of the powers at play, because it seems like a storm is on the horizon, straight ahead.5 -
Is anyone around experienced with SDR, especially the HackRF?
I am trying to send OOK data at a certain frequency but it doesn't work. I am basically recording the wave, then using ooktools to decode the wave to binary and the hackrf_ook to send the binary. It doesn't work...
Using GNURadio for replay attacks works great, since I am not testing it on a rolling code device.
Has anyone managed to transmit binary (or hex) with the HackRF or any other SDR as a matter of fact? I cant use rfcat with the HackRF. -
If I create a library in Java, that is cache but auto-refreshes your data on regular intervals, totally configurable in terms of frequency of auto refresh and number of background threads used so as to reduce latency when you actually need data; will it be useful?
So currently, Guava cache has the feature to refresh only after you actually try to read data, which can actually be troublesome for a high QPS system.
I personally had this use-case, and wondered if there's anything existing (couldn't find, so wrote for my personal use case) and if it is an actual use case worth a library.10 -
If you run into occasional graphics driver crashes and you use Firefox on Windows & Radeon Graphics, then you might want to disable hardware acceleration setting in Firefox. It reduced the frequency of crashes for me
Seems like Firefox screws up Radeon OpenGL driver somehow 🤔💭🦊
It is prone to crashing when I have a 3D game open and Firefox with hw.acc=enabled open at the same time2 -
Ever tried to tell this guy his ancestors built pyramids, invented vigesimal zero, calculated eclipse frequency, year duration, etc, 2000 or 3000 years before USA and NASA existed?
4 -
Fucking hate to explain basic shit to computer illiterate. Usually I don't mind, but right know I working on the project, want to automate one thing I need to do every morning, put two numbers to web page(I will explain details maybe in next rant). So I am only one who fix, buys computers, printer(for some problems I call for other repair man.). Generally speaking working as IT guy. Firm has like 50 computers, some of them has SCADA software. Some computers have Win 7, some win 8 and others win 10, can't upgrade those computers, not enough money(I can deal with this problem). And yes, computer buying is not the fastest, easiest thing too. Because is public firm, I need to do public buying(I don't know how to translate to english), and most of the time wins the lowest price, I am ok with that. But I can't on item specification write I want that model pc or it components. Example: I can't write I want intel processor, however I can write number of cores, frequency. But it's not that bad, usually i have template for all things I buy. One of the worst thing is this, our firm bought new bookkeeping software version, old version was using visual foxpro framework. Good thing I didn't initiate the purchase, because right know I would be jobless, not because I would be fired, but because our senior accountant would drive me crazy. In fact accountants drive me crazy, but I can handle it for now. As I wrote before our form has about 120 workers, major part of workers are old, like my parents age. (I am 28 btw. Mom is 55.). As you all know what happens if you say you work with computers. So our accountants are like 60 years old, got new program, don't know how to work with it, and they ask me how to do certain things. if I don't know how to I ask program's support, every question is like 90 Eur. So in short accountants expect I should know their work and how program works. If I try say something they don't like, they try to make my day hard. Next thing is our billing program. Man that worked before me done some payments import. And when I came everyone expect me to do that. Ok I did that because that people working with billing program would probably fuck it up. And I semi automated that, so I don't mind that much. Sometimes that program fucks up, like it happened yesterday, it send email invoices attachment without filename. Example: people got this attachment ".pdf"(no filename, only extension), And if you save it you need do OPEN WITH command and then select pdf reader or rename file (I don't know what easier). And surprise surprise our firm, customer support redirects all phone calls, emails to me. But I did explain to customer support what to say to people. Still they redirect it to me.
PS: This is my first job after school. I work as part time.
TL;DR Thinking my life, carrier choices. accountants are not the nicest people.8 -
I have a series of timestamps (second granularity). I need to derive a "frequency" from them and produce a string like "every X minutes/hours/days/weeks/etc", to where it fits closest.
Is there a well-known algorithm for this? I'm having trouble finding search terms.7 -
Need some advice on RAM,
So I’ve a laptop with 8GB ram and I am planning on a upgrade, now if I remember correctly I CAN add a 16Gig stick and it’ll be 24gig, but is it a good call to have different sized ram.
PS. Suggest a ram
Current RAM : HMA81GS6AFR8N-UH
Hynix
P.P.S - I’ll obviously add RAM of the same frequency10 -
I just discovered that CSS specifies a unit for frequency -> https://developer.mozilla.org/en-US...
I'm trying to figure out what it can be good for4 -
Who knew there were so many goddamn duplicate file extensions spanning generations....
There is literally nothing to do but rate likelihood.
Does anyone know of a statistical database that tracks the appearance of certain file types and their frequency based of real analysis of active computer systems ?
Some of these types are pretty vague and fileinfo repeats some things. grr.
Of course, overthinking here, one would have to also look at what kind of files appear in the same directory in certain cases.5 -
Does anyone know a foolproof way of radio controlling a dozen arduinos? I'm working on a big project that needs about a dozen arduinos working with each other.16
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Say I wanted to characterize motion in a video and derive a frequency of that motion, and the extents of the motion?
For instance: walking, jumping, running, punching, dancing, etc. The view might vary and be further away or closer to where it is harder to make out features.
I am assuming I would use some sort of AI to identify objects and perhaps bone structure. Then compare against a model to determine motion type, and then attributes. I have seen cameras get bone structure, but I think it required 2 views. Such as the cheap motion capture systems.
Could this be done in real time of video playing? Or would this need to preprocess and use the info created during playback of the media?
I really don't know much about AI models. I have been curious about how it can be used with video.3
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