!(short rant)

Look I understand online privacy is a concern and we should really be very much aware about what data we are giving to whom. But when does it turn from being aware to just being paranoid and a maniac about it.? I mean okay, I know facebook has access to your data including your whatsapp chat (presumably), google listens to your conversations and snoops on your mail and shit, amazon advertises that you must have their spy system (read alexa) install in your homes and numerous other cases. But in the end it really boils down to "everyone wants your data but who do you trust your data with?"

For me, facebook and the so-called social media sites are a strict no-no but I use whatsapp as my primary chating application. I like to use google for my searches because yaa it gives me more accurate search results as compared to ddg because it has my search history. I use gmail as my primary as well as work email because it is convinient and an adv here and there doesnt bother me. Their spam filters, the easy accessibility options, the storage they offer everything is much more convinient for me. I use linux for my work related stuff (obviously) but I play my games on windows. Alexa and such type of products are again a big no-no for me but I regularly shop from amazon and unless I am searching for some weird ass shit (which if you want to, do it in some incognito mode) I am fine with coming across some advs about things I searched for. Sometimes it reminds me of things I need to buy which I might have put off and later on forgot. I have an amazon prime account because prime video has some good shows in there. My primary web browser is chrome because I simply love its developer tools and I now have gotten used to it. So unless chrome is very much hogging on my ram, in which case I switch over to firefox for some of my tabs, I am okay with using chrome. I have a motorola phone with stock android which means all google apps pre-installed. I use hangouts, google keep, google map(cannot live without it now), heck even google photos, but I also deny certain accesses to apps which I find fishy like if you are a game, you should not have access to my gps. I live in India where we have aadhar cards(like the social securtiy number in the USA) where the government has our fingerprints and all our data because every damn thing now needs to be linked with your aadhar otherwise your service will be terminated. Like your mobile number, your investment policies, your income tax, heck even your marraige certificates need to be linked with your aadhar card. Here, I dont have any option but to give in because somehow "its in the interest of the nation". Not surprisingly, this thing recently came to light where you can get your hands on anyone's aadhar details including their fingerprints for just ₹50($1). Fuck that shit.

tl;dr
There are and should be always exceptions when it comes to privacy because when you give the other person your data, it sometimes makes your life much easier. On the other hand, people/services asking for your data with the sole purpose of infilterating into your private life and not providing any usefulness should just be boycotted. It all boils down to till what extent you wish to share your data(ranging from literally installing a spying device in your house to them knowing that I want to understand how spring security works) and how much do you trust the service with your data. Example being, I just shared most of my private data in this rant with a group of unknown people and I am okay with it, because I know I can trust dev rant with my posts(unlike facebook).

As a Java developer, reasons to kill other programmers:

- static mutable variables
- WRITING to static mutable variables
- API call with Framework X didn't work. Add Framework Y along with X and try that. Wrap X in try/catch statement. Catch block fires framework Y.
- six, seven, ten levels of nested code. Zero thought put in organization
- 6K LOC Java files
- spring (singleton? Maybe) object assigning values in static mutable (see pt.1)
- a couple of unit tests in code base that no longer work. Zero unit tests in new code
- unit testing disabled in CI pipeline
- empty catch blocks
- pass mutable data between threads. Modify in various places concurrently.

Series of events between me (Mi) and dude in office (DIO).

Instance 1
DIO: There is not psql installed on staging.
Mi: Install it.
DIO: YUM is not working.
Mi: *tries yum it works* It is
DIO: Oh. Didn't work earlier.
Mi: *blank* Make sure you install 9.6
DIO: Cannot find psql
Mi: *types psql, it is already installed*
DIO: Oh, didn't work earlier.

Instance 2
DIO: Made this change to the API, the endpoint is not returning the right value
Mi: *restarts server, shit starts working*
DIO: I am pretty sure I did that, don't know what happened.

Instance 3
DIO: Cannot alter role to give login to this db user.
MI: *runs alter role db_user with login* works
DIO: Don't know why it wasn't working before.

Instance 4
DIO: I have been stuck on this test for the past 1 day, cannot get the API to return the right data while the Rest Endpoint works fine.
Mi: You are hitting the wrong endpoint in the test.
DIO: Oh, I put an extra 's'
Mi: BTW you are testing Spring-Boot with that test and nothing else.
DIO: Yes but what if Spring Boot has a bug?
Mi: ok.

This spring I was working on a library for an algorithm class at uni with some friends and one of the algorithm was extremely slow, we were using Python to study graphs of roads on a map and a medium example took about 6-7h of commission to finish (I never actually waited for so long, so maybe more).
I got so pissed of for that code that I left the lab and went to eat. Once I got back I rewrote just the god-damned data structure we were using and the time got down to 300ms. Milliseconds!

Lessons learned:
- If you're pissed go take a walk and when you'll come back it will be much easier;
- Don't generalize to much a library, the data structure I write before was optimized for a different kind of usage and complete garbage for that last one;
- Never fucking use frozen sets in Python unless you really need them, they're so fricking slow!

So I joined this financial institution back in Nov. Selling themselves as looking for a developer to code micro-services for a Spring based project and deploying on Cloud. I packed my stuff, drove and moved to the big city 3500 km away. New start in life I thought!
Turns out that micro-services code is an old outdated 20 year old JBoss code, that was ported over to Spring 10 years ago, then let to rot and fester into a giant undocumented Spaghetti code. Microservices? Forget about that. And whats worse? This code is responsible for processing thousands of transactions every month and is currently deployed in PROD. Now its your responsibility and now you have to get new features complied on the damn thing. Whats even worse? They made 4 replicas of that project with different functionalities and now you're responsible for all. Ma'am, this project needs serious refactoring, if not a total redesign/build. Nope! Not doing this! Now go work at it.
It took me 2-3 months just to wrap my mind around this thing and implement some form of working unit tests. I have to work on all that code base by myself and deliver all by myself! naturally, I was delayed in my delivery but I finally managed to deliver.
Time for relief I thought! I wont be looking at this for a while. So they assign me the next project: Automate environment sync between PROD and QA server that is manually done so far. Easy beans right? And surely enough, the automation process is simple and straightforward...except it isnt! Why? Because I am not allowed access to the user Ids and 3rd party software used in the sync process. Database and Data WareHouse data manipulation part is same story too. I ask for access and I get denied over and over again. I try to think of workarounds and I managed to do two using jenkins pipeline and local scripts. But those processes that need 3rd party software access? I cannot do anything! How am I supposed to automate job schedule import on autosys when I DONT HAVE ACCESS!! But noo! I must think of plan B! There is no plan B! Rather than thinking of workarounds, how about getting your access privileges right and get it right the first time!!
They pay relatively well but damn, you will lose your sanity as a programmer.
God, oh god, please bless me with a better job soon so I can escape this programming hell hole.
I will never work in finance again. I don't recommend it, unless you're on the tail end of your career and you want something stable & don't give a damn about proper software engineering principles anymore.

Just received a test for a job I'm interviewing for. I was interviewing for a C++ position. Practice test: Create an REST API using SpringBoot, Spring Data, document with Swagger and implement continuous integration testing.

To be fair, I also mentioned I'm fluent in Java. But I've never touched SpringBoot or done any backend webdev, since my intention was to never get near it.

Deadline: Sunday. Game on...

So ok here it is, as asked in the comments.

Setting: customer (huge electronics chain) wants a huge migration from custom software to SAP erp, hybris commere for b2b and ... azure cloud
Timeframe: ~10 months….

My colleague and me had the glorious task to make the evaluation result of the B2B approval process (like you can only buy up till € 1000, then someone has to approve) available in the cart view, not just the end of the checkout. Well I though, easy, we have the results, just put them in the cart … hmm :-\
The whole thing is that the the storefront - called accelerator (although it should rather be called decelerator) is a 10-year old (looking) buggy interface, that promises to the customers, that it solves all their problems and just needs some minor customization. Fact is, it’s an abomination, which makes us spend 2 months in every project to „ripp it apart“ and fix/repair/rebuild major functionality (which changes every 6 months because of „updates“.

After a week of reading the scarce (aka non-existing) docs and decompiling and debugging hybris code, we found out (besides dozends of bugs) that this is not going to be easy. The domain model is fucked up - both CartModel and OrderModel extend AbstractOrderModel. Though we only need functionality that is in the AbstractOrderModel, the hybris guys decided (for an unknown reason) to use OrderModel in every single fucking method (about 30 nested calls ….). So what shall we do, we don’t have an order yet, only a cart. Fuck lets fake an order, push it through use the results and dismiss the order … good idea!? BAD IDEA (don’t ask …). So after a week or two we changed our strategy: create duplicate interface for nearly all (spring) services with changed method signatures that override the hybris beans and allow to use CartModels (which is possible, because within the super methods, they actually „cast" it to AbstractOrderModel *facepalm*).
After about 2 months (2 people full time) we have a working „prototype“. It works with the default-sample-accelerator data. Unfortunately the customer wanted to have it’s own dateset in the system (what a shock). Well you guess it … everything collapsed. The way the customer wanted to "have it working“ was just incompatible with the way hybris wants it (yeah yeah SAP, hybris is sooo customizable …). Well we basically had to rewrite everything again.
Just in case your wondering … the requirements were clear in the beginning (stick to the standard! [configuration/functinonality]). Well, then the customer found out that this is shit … and well …

So some months later, next big thing. I was appointed technical sublead (is that a word)/sub pm for the topics‚delivery service‘ (cart, delivery time calculation, u name it) and customerregistration - a reward for my great work with the b2b approval process???

Customer's office: 20+ people, mostly SAP related, a few c# guys, and drumrole .... the main (external) overall superhero ‚im the greates and ur shit‘ architect.
Aberage age 45+, me - the ‚hybris guy’ (he really just called me that all the time), age 32.
He powerpoints his „ tables" and other weird out of this world stuff on the wall, talks and talks. Everyone is in awe (or fear?). Everything he says is just bullshit and I see it in the eyes of the others. Finally the hybris guy interrups him, as he explains the overall architecture (which is just wrong) and points out how it should be (according to my docs which very more up to date. From now on he didn't just "not like" me anymore. (good first day)
I remember the looks of the other guys - they were releaved that someone pointed that out - saved the weeks of useless work ...

Instead of talking the customer's tongue he just spoke gibberish SAP … arg (common in SAP land as I had to learn the hard way).
Outcome of about (useless) 5 meetings later: we are going to blow out data from informatica to sap to azure to datahub to hybris ... hmpf needless to say its fucking super slow.
But who cares, I‘ll get my own rest endpoint that‘ll do all I need.

First try: error 500, 2. try: 20 seconds later, error message in html, content type json, a few days later the c# guy manages to deliver a kinda working still slow service, only the results are wrong, customer blames the hybris team, hmm we r just using their fucking results ...
The sap guys (customer service) just don't seem to be able to activate/configure the OOTB odata service, so I was told)
Several email rounds, meetings later, about 2 months, still no working hybris integration (all my emails with detailed checklists for every participent and deadlines were unanswered/ignored or answered with unrelated stuff). Customer pissed at us (god knows why, I tried, I really did!). So I decide to fly up there to handle it all by myself

OH MY FUCKING GOD!!!!! FUCK YOU SPRING-DATA-NEO4J YOU ARE DRIVING ME CRAZY YOU SHIT FUCK !!! FUCK YOU AND YOUR DELETE ON SAVE BULLSHIT!!!! OMFG!!!!!!! EVERYTIME IS SOME FUCKING SHIT THAT DELETES OTHER SHIT THAT SHOULD NOT HAVE BEEN DELETED!!! JUST FUCK YOU ALREADY IM GONNA REWRITE ALL THIS SHIT!!!!!!!

Next week I'm starting a new job and I kinda wanted to give you guys an insight into my dev career over the last four years. Hopefully it can give some people some insight into how a career can grow unexpectedly.

While I was finishing up my studies (AI) I decided to talk to one of these recruiters and see what kind of jobs I could get as soon as I would be done. The recruiter immediately found this job with a Java consultancy company that also had a training aspect on the side (four hours of training a week).

In this job I learned a lot about many things. I learned about Spring framework, clean code, cloud deployment, build pipelines, Microservices, message brokers and lots more.

As this was a consultancy company, I was placed at different companies. During my time here I worked on two different projects.
The first was a Microservices project about road traffic data. The company was a mess, and I learned a lot about company politics. I think I never saw anything I built really released in my 16 months there.

I also had to drive 200km every day for this job, which just killed me. And after far too long I was finally moved to the second company, which was much closer.

The second company was a fintech startup funded by a bank. Everything was so much better than the traffic company. There was a very structured release schedule, with a pretty okay scrum implementation. Every team had their own development environment on aws which worked amazingly. I had a lot of fun at this job, with many cool colleagues. And all the smart people around me taught me even more about everything related to working in software engineering.

I quit my job at the consultancy company, and with that at the fintech place, because I got an opportunity I couldn't refuse. My brother was working for Jordan Belfort, the Wolf of Wallstreet, and he said they needed a developer to build a learning platform. So I packed my bags and flew to LA.

The office was just a villa on the beach, next to Jordan's house. The company was quite small and there were actually no real developers. There was a guy who claimed to be the cto of the company, but he actually only knew how to do WordPress and no one had named him cto, which was very interesting.
So I sat down with Jordan and we talked about the platform he wanted to build. I explained how the things he wanted would eventually not be able with WordPress and we needed to really start building software and become a software development company. He agreed and I was set to designing a first iteration of the platform.
Before I knew it I was building the platform part by part, adding features everywhere, setting up analytics, setting up payment flows, monitoring, connecting to Salesforce, setting up build pipelines and setting up the whole aws environment. I had to do everything from frontend to the backest of backends. Luckily I could grow my team a tiny bit after a while, until we were with four. But the other three were still very junior, so I also got the task of training them next to developing.
Still I learned a lot and there's so much more to tell about my time at this company, but let's move forward a bit.

Eventually I had to go back to the Netherlands because of reasons. I still worked a bit for them from over here, but the fun of it was gone without my colleagues around me, so I quit last September.

I noticed I was all burned out, had worked far too much, so I decided to take a few months off and figure out what I wanted to do with my life. I even wondered whether I wanted to stay in programming.

Fast forward to last few weeks. I figured out I actually did want to work in software still, but now I would focus on getting the right working circumstances. No more driving 3 hours every day, no more working 12 hours every day. Just work close to home and find a company with the right values.
So I started sending out resumes and I gave one recruiter the chance to arrange some interviews too. I spoke to 7 companies in the span of one week. And they were all very interested. Eventually I narrowed it down to 2 companies and asked them for offers. And the company that actually had my preference offered me significantly more than I asked for, which settled the deal.

So tomorrow I'm officially signing with them, and starting next week I'll be developing in Kotlin, diving into functional programming and running our code in serverless environments. I'm very excited!

For all the hate that Java gets, this *not rant* is to appreciate the Spring Boot/Cloud & Netty for without them I would not be half as productive as I am at my job.

Just to highlight a few of these life savers:
- Spring security: many features but I will just mention robust authorization out of the box
- Netflix Feign & Hystrix: easy circuit breaking & fallback pattern.
- Spring Data: consistent data access patterns & out of the box functionality regardless of the data source: eg relational & document dbs, redis etc with managed offerings integrations as well. The abstraction here is something to marvel at.
- Spring Boot Actuator: Out of the box health checks that check all integrations: Db, Redis, Mail,Disk, RabbitMQ etc which are crucial for Kubernetes readiness/liveness health checks.
- Spring Cloud Stream: Another abstraction for the messaging layer that decouples application logic from the binder ie could be kafka, rabbitmq etc
- SpringFox Swagger - Fantastic swagger documentation integration that allows always up to date API docs via annotations that can be converted to a swagger.yml if need be.
- Last but not least - Netty: Implementing secure non-blocking network applications is not trivial. This framework has made it easier for us to implement a protocol server on top of UDP using Java & all the support that comes with Spring.

For these & many more am grateful for Java & the big big community of devs that love & support it.

Allrighty, so we have a huge migration upcoming. The planning started early this spring. We've split the whole process into separate tasks and estimated each of them. Also marked all the tasks client should take care of itself so save funds and time. All-in-all the whole thing estimated like 4 months if we did it [single dev, tremendous amounts of communication with various parties, buy and prepare the infra, adapt app to the changes, testing, monitoring, etc.] and like a month if client did the tasks we shouldn't be doing. The funding for migration is time-bound and can only be used before December. Cool! We got notified that by the end of April we should be good to go! Plenty of time to do things right!

April comes. Silence. Mid-april we resch out to the client. Since there's plenty of time left migration is getting lower priority to other tasks. Well allright, sort of makes sense. We should migrate mid-July. Cool!

July comes. Client replies that everyone's on vacation now. Gotta wait for August - will do the quicker version of migration to make it on time. Well allright....

August comes. Everyone's vusy with whatever they've postponed during summer. Hopefully we'll start migration in September. Mhm...

September comes. We're invited to a meeting by project funders to explain tasks' breakdown, justify the time needed to make the migration. We're being blamed for surreal estimations and poor organization of tasks as nothing's happened yet... [they were the ones who always were postponing things....]. Moreover, they can only spare 20% of infra resources required for data alone anf they want us to make that enough for all environments, all components, all backups, all databases,... You get the pic.
The leader of the meeting semi silently mumbled to other participants 'Well then I'm afrsid we can't make a full migration in time.. Only partial. That's very unfortunate, very. That's why we should not have incopetent vendors [*glancing at us*]'

somehow we agreed we'll get the resources mid-November and we should be thankful for him bcz he'll have to pull some strings for... us..

I left the meeting with my fists squeezed so hard! But it's okay, we got smth useful: resources and start date. Although it leaves us with less than a month to do smth requiring a month for a sunny-day scenario. Nvm, still doable.

Last week we get an email that resources will be available at the beginning of December [after deadline] and we should start a full migration no sooner than Nov 12. Which leaves us with 50% of our estimated fucking optimistic scenario time and not enough resources to even move a single db.

Fuck I hate politics in dev... Is it wrong for me to want to tie them to a pole, set them on a veeery slow fire and take a piss on them while they're screaming their shitty lungs out? I'd enjoy the view and the scream. I know I would. And while enjoying I might be tempted to take a burning 20cm diameter wooden stick and shove it up their assholes. Repeatedly. Round-robin. Promissing them I'll take it out in 5 seconds and pulling it out after 2 minutes.

Can I?

Progress.

It isn't much, but the MVC application now reads data from the Linux LAMP server and prints the SQL data back to the client. Biggest hurdle was the fact that my Linux host blew up three times over the week, but hey, how else are you going to learn Linux servers?

Moving into spring framework self-education in July. Hopefully it's a little less painful than Apache Tomcat.

Me(the first day fo spring semester): Data Structures and Algorithms shouldn't be too hard of a class! This will be interesting!

Me(a couple days into class): I don't understand anything she's saying and the programming problems are in some pretty rough English...why me?!?

Today I think it became apparent why we have so many data and prod issues...

No one understands SOLID design principals... Particularly Separation of Concern. No wonder all the Spring (DI) modules look like a mess of God functions that are impossible to reuse and difficult to extend...

Was struggling with a NullPointerException that apeared on a test machine of a standalone spring boot app I'm developing...

5 hours latter I found the reason by accident....
The default session timeout was too low...
Increased that bitch to 10 hours and don't rely on session anymore to pass data...

When you wanna be a Data Scientist and always land into internships where you are assigned with web development...
Learnt Node, Flask, Spring frameworks across different internshis...

How does Spring Boot/Data create a MongoClient/Template Bean to a **remote** database that requires password, certs, other configs?

These would be set in application properties but how does it get translated to the Beans?

I went through a lot of examples is like @Autowired MongoClient client

And then they just use it.

And I'm like wtf?

I just spent around a fucking week questioning myself, my sanity, my code and a 3rd party api to find out I was submitting bad data to my correct code in a separate part of the product.

Fuck my life and my self inflicted stress and guilt over this. Hopefully edge cases are already covered, I fucking had working code or so i hope until the next bout of debug hell.

Also fuck you spring for not letting me see request body of an outgoing post request.

The more I learn about Spring... It feels like it just hides complexity.... And thus allows developers to make their apps more complex?

I can imagine there will be a Component class with like 20 references to other components either directly or indirectly... But then when something crashes or some error in output data is noticed in prod for some reason...

You cant tell exactly what cause the error because the objects' state is so complex, not sure which component or combination actually causes the issue.

Essentially makes a lot of black boxes?

The problem with our current project is that we're using Spring MVC but we only use hashmap for binding (is binding is a correct term for this?) of data with our mapper (We use Mybatis, and also when we get this source code they already implements this kind of stuff, mvc with no models hahaha) for the sake the code to be consistent.

Maybe after I read the documentation of Mybatis and learn how to implements joins, I'll ask a permission to change the hashmap with actual models.

Spring cleaning my laptop. Moved my music etc to external hdd. Somehow I deleted all music. Ease of USE data recovery charging $65 for license. No previous version to restore. When I scan with Ease I can see my files. Someone help?

Architecture for Java REST API going to build/port from existing NodeJS one.
So Spring Boot + *

Lots of concurrent requests and large MongoDB calls. Current APIs use like 4GB memory for each instance because they don't use stream/pipe the response. Hold all data in memory and then return it all at once to user.

And well we expect more load in the future, so want to do this the right way.

So my understanding since this morning, is there's the blocking? MongoClient, (find* returns List) and now a Reactive MongoClient which is very async and like JS promises. Based on Pub, Sub model.

But the downside of JS promises was callback hell.

So actually 2 questions.
1. For each request, the db call done using the same MongoClient/db connection such that if there are 2 requests one would block the other?
2. Reactive Mongo would be non-blocking by design so would be better to support streamed responses?

Use simple working code of an if statement and reject bad data with an error.

Get the same result but through properly using springs nested path errors. But it doesn't work so now you need to spend hours in debug hell through spring framework code for something that should be easy, is blocking another team, because I have no idea how to do my fucking job.

Complete (finished) configuration of an enterprise java web application: pom.xml

Default boilerplate configuration of an Angular 2 app: about 20 files.

Does anyone know of a frontend framework/platform that I can easily couple with my Spring Data REST backend?

Hi.. Is anybody familiar with the spring 5.x version with spring data. I am currently using spring 5.2.9 version and spring-data-mongodb 3.0.3.RELEASE. When i tried saving data i am getting below error. java.lang.NoSuchMethodError: com.mongodb.client.MongoCollection.insertOne(Ljava/lang/Object;)Lcom/mongodb/client/result/InsertOneResult;