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When my colleague asks for help when debugging, I like to start of with setting a few breakpoints.
5 -
- "Have you ever used breakpoints?"
- "Umm.."
- "You ever saw a breakpoint?"
- "You mean like... "break;"?"
...15 -
Bug emerges
Print a bunch of stuff
Breakpoints
Crisis of confidence
Research obscure fundamentals of the language
See typo
Fuck.5 -
Second semester
Java - OOP Course
We had to write a game, an arkanoid clone
Neat shit
And a fun course, mad respect to the Prof.
BUT
Most students, including me had this ONE bug where the ball would randomly go out of the wall boundaries for no clear reason.
A month passed, sleepless nights, no traces.
Two months later. Same shit. Grades going down (HW grades) because it became more and more common, yet impossible to track down.
3 months later, we had to submit the HW for the last time which included features like custom level sets, custom blocks and custom layouts.
So before we submit the game for review, they had pre-defined level sets that we had to include for testing sake.
I loaded that.
The bug is back.
But
REPRODUCIBLE.
OMG.
So I started setting up breakpoints.
And guess what the issue was.
FLOATING FUCKING POINT NUMBERS
(Basically the calculations were not as expected)
Changing to Ints did it's job and the bug was officially terminated.
Most satisfying night yet.
Always check your float number calculations as it's never always what you expect.
Lesson learned, use Ints whenever possible.18 -
To all newbie developers,
Before you ask a doubt about an issue to someone else,
Try doing an initial investigation to find the root cause,
Look into the logs,
Find the stack trace,
Google things,
Have breakpoints and try to debug.
You come to me with a weird NullPointerException and ask me why,
Without even looking into the logs once? We ain't God bro.13 -
Oh my fucking god. This blessed feeling when your code finally works and you can remove all those fucking breakpoints and move on.
These are the moments I became a programmer for2 -
Coding destroyed my life. I used to be tripping and seeing flowers，now i feel like media breakpoints，i used to dream about jungle，now i dream about creating components，i used to have a few problems，now i have nothing else but problems，and here i am at 7am ranting for the first time on a nerd application which i didnt get the rants about... But now i laugh...
Where is this going????5 -
Please. Hear me out.
I've been doing frontend for six years already. I've been a junior dev, then in was all up to the CTO. I've worked for very small companies. Also, for the very large ones. Then, for huge enterprises. And also for startups. I've been developing for IE5.5, just for fun. I've done all kinds of stuff — accessibility, responsive design (with or without breakpoints), web components, workers, PWA, I've used frameworks from Backbone to React. My favourite language is CSS, and you probably know it. The bottom line is, you name it — I did it.
And, I want to say that Safari is a very good browser.
It's very fast. Especially on M1 Macs. Yes, it lacks customization and flexibility of Firefox, but general people, not developers, like to use it. Also, Safari is very important — Apple is a huge opposing force to Google when it comes to web standards. When Google pushes their BS like banning ad blockers, Apple never moves an inch. If we lose Safari, you'll notice.
As for the Safari-specific bugs situation, well… To me, Safari serves as a very good indicator: if your website breaks in Safari, chances are you used some hacks that are no good. Safari is a good litmus test I use to find the parts of my code that could've been better.
The only Safari-specific BUG I encountered was a blurry black segment in linear gradients that go from opaque to transparent. So, instead of linear-gradient(#f00, transparent), just do linear-gradient(#f00f, #f000).
This is the ONLY bug I encountered. Every single time my website broke in Safari other than that, was for some ugly hack I used.
You don't have to love it. I don't even use it, my browser of choice is Firefox. But, I'm grateful to Safari, just because it exists. Why? Well, if Safari ceases to exist, Google will just leave both W3C and WhatWG, and declare they'll be doing things their way from now on. Obey or die.
Firefox alone is just not big enough. But, together with Safari, they oppose Google's tyranny in web standards game.
Google will declare the victory and will turn the web into an authoritarian dictatorship. No ad blockers will be allowed. You won't be able to block Google's trackers. Google already owns the internet, well, almost, and this will be their final, devastating victory.
But Safari is the atlas that keeps the web from destruction.22 -
"First remove the break points, and then commit the code".
He described it as if the breakpoints could stop time!! 😂5 -
I spent more than an hour trying trying to debug why two functions were always returning undefined. I even put in conditional breakpoints and executed the statements to confirm the logic was correct.
I forgot return.4 -
1. attach a debugger
2. create a set of breakpoints
3. perform an action in the UI
4. breakpoint is hit. F9 to jump to another breakpoint
5.
...
.......
...........
................
....................
nothing............
even more of nothing.....
......................................................
6. Kill the app. Restart. Repeat. Nothing again. Repeat it all ~5 times. Give up.
7. Go get some tea.
8. Come back with a cup of hot tea
9. the _next_ breakpoint is now hit (º . º)
10. F9 - yet another breakpoint is hit.
11. contemplate your own mental state, considering the #6
9 -
Life as a developer:
Yesterday I could reproduce the bug everything I ran the program, but I could not debug it. Visual Studio would not break at my breakpoints.
Today Visual Studio works fine but the bug cannot be reproduced at all.
I should have become a florist instead...4 -
I don't have a rubber duck to debug... I have my own team.
P.S. Groot is in charge of the breakpoints... Because of... Well you know :s
4 -
THIS FUCKING DEBUGGER IS IGNORING MY FUCKING BREAKPOINTS
GO TO HELL YOU PIECE OF SHIT
AND RSPEC: FUCK YOUR LIMITED METHOD HIT-COUNTING BULLSHIT! ONE HIT-COUNT PER METHOD FOR THE ENTIRE SPEC IS NOT GOOD ENOUGH!
FJA;KLGAKLGJFKSDHG17 -
Two big moments today:
1. Holy hell, how did I ever get on without a proper debugger? Was debugging some old code by eye (following along and keeping track mentally, of what the variables should be and what each step did). That didn't work because the code isn't intuitive. Tried the print() method, old reliable as it were. Kinda worked but didn't give me enough fine-grain control.
Bit the bullet and installed Wing IDE for python. And bam, it hit me. How did I ever live without step-through, and breakpoints before now?
2. Remember that non-sieve prime generator I wrote a while back? (well maybe some of you do). The one that generated quasi lucas carmichael (QLC) numbers? Well thats what I managed to debug. I figured out why it wasn't working. Last time I released it, I included two core methods, genprimes() and nextPrime(). The first generates a list of primes accurately, up to some n, and only needs a small handful of QLC numbers filtered out after the fact (because the set of primes generated and the set of QLC numbers overlap. Well I think they call it an embedding, as in QLC is included in the series generated by genprimes, but not the converse, but I digress).
nextPrime() was supposed to take any arbitrary n above zero, and accurately return the nearest prime number above the argument. But for some reason when it started, it would return 2,3,5,6...but genprimes() would work fine for some reason.
So genprimes loops over an index, i, and tests it for primality. It begins by entering the loop, and doing "result = gffi(i)".
This calls into something a function that runs four tests on the argument passed to it. I won't go into detail here about what those are because I don't even remember how I came up with them (I'll make a separate post when the code is fully fixed).
If the number fails any of these tests then gffi would just return the value of i that was passed to it, unaltered. Otherwise, if it did pass all of them, it would return i+1.
And once back in genPrimes() we would check if the variable 'result' was greater than the loop index. And if it was, then it was either prime (comparatively plentiful) or a QLC number (comparatively rare)--these two types and no others.
nextPrime() was only taking n, and didn't have this index to compare to, so the prior steps in genprimes were acting as a filter that nextPrime() didn't have, while internally gffi() was returning not only primes, and QLCs, but also plenty of composite numbers.
Now *why* that last step in genPrimes() was filtering out all the composites, idk.
But now that I understand whats going on I can fix it and hypothetically it should be possible to enter a positive n of any size, and without additional primality checks (such as is done with sieves, where you have to check off multiples of n), get the nearest prime numbers. Of course I'm not familiar enough with prime number generation to know if thats an achievement or worthwhile mentioning, so if anyone *is* familiar, and how something like that holds up compared to other linear generators (O(n)?), I'd be interested to hear about it.
I also am working on filtering out the intersection of the sets (QLC numbers), which I'm pretty sure I figured out how to incorporate into the prime generator itself.
I also think it may be possible to generator primes even faster, using the carmichael numbers or related set--or even derive a function that maps one set of upper-and-lower bounds around a semiprime, and map those same bounds to carmichael numbers that act as the upper and lower bound numbers on the factors of a semiprime.
Meanwhile I'm also looking into testing the prime generator on a larger set of numbers (to make sure it doesn't fail at large values of n) and so I'm looking for more computing power if anyone has it on hand, or is willing to test it at sufficiently large bit lengths (512, 1024, etc).
Lastly, the earlier work I posted (linked below), I realized could be applied with ECM to greatly reduce the smallest factor of a large number.
If ECM, being one of the best methods available, only handles 50-60 digit numbers, & your factors are 70+ digits, then being able to transform your semiprime product into another product tree thats non-semiprime, with factors that ARE in range of ECM, and which *does* contain either of the original factors, means products that *were not* formally factorable by ECM, *could* be now.
That wouldn't have been possible though withput enormous help from many others such as hitko who took the time to explain the solution was a form of modular exponentiation, Fast-Nop who contributed on other threads, Voxera who did as well, and support from Scor in particular, and many others.
Thank you all. And more to come.
Links mentioned (because DR wouldn't accept them as they were):
https://pastebin.com/MWechZj912 -
Project manager asked to "remove the debug breakpoints in Eclipse before checking in the Java file, so the client can't see them". Happened some years back. In an Indian software services co.
-
Debugging JS,
*uses chrome devtools*, breakpoints work, everything loads, can work on fixing bug
*uses firefox devtools*, takes more time than IE to show up, the UI doesn't show up, can cry in the corner.
Why is firefox debugger so bad :/6 -
So I'm making a file uploader for a buddy of mine and I got an error that I had never seen before. Suddenly I had C++ code and some other weird shite in my terminal. Turns our that I got a memory leak and the first thing that sprung to mind was "Fuck yes, I get to do some NCIS ass debugging".
Now the app worked fine for smaller files, like 5MB - 10MB files, but when I tried with some Linux ISO's it would produce the memory leak.
Well I opened the app with --inspect and set some breakpoints and after setting some breakpoints I found it. Now, for this app I needed to do some things if the user uploads an already existing file. Now to do that I decided to take the SHA string of the file and store it in a database. To do this I used fs.readFile aaaaaaaaaand this is where it went wrong. fs.readFile doesn't read the file as a stream.
Well when I found that, boy did I feel stupid :v
5 -
I'm trying out Atom coming from VSCode and Android Studio.
Where's the integrated terminal?
You have to download an extension.
How do you add breakpoints?
There's an extension for that
How can I quicky find/go to files?
...extension
But it has Git integration! Phewww that's a relief, I have now idea how to write `git add .` without a terminal13 -
When you're trying to find out from what API endpoint a page gets it's data from, put breakpoints on every endpoint, but none hit a breakpoint when the page loads.
2 -
I struggle shopping for shirts since I'm somewhere between small and medium. THE GRID NEEDS MORE BREAKPOINTS1
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More adventures in fixing specs.
This particular failing spec is in an included spec helper; I cannot run the spec itself because rubymine is stupid and doesn't know how. Not kidding. I also don't know the codepath it's actually testing because it's fucking convoluted, so I need (rather: want) a debugger to progress. I put breakpoints everywhere I thought it could be, and... nothing.
The stacktrace shows the calling spec in the helper module, a generic `process` method that just calls `super` (from where? who knows!), and a `wrap_every_action` in the ApplicationController. in other words: absolutely nothing helpful. I stepped through the code for most of an hour and didn't get anywhere; just saw lots of rails internals.
ugh,
I'm going to keep bashing my head against this, but what the fuck, why can't you give me something goddamn useful!?4 -
If there was an IDE which combines Xcodes debugging with Android Studios code completion, that would be an almost perfect IDE!
In Xcode you don‘t have to start the debugging process explicitly, you just set breakpoints while the app is running. Thats so much better than in Android Studio where you have to switch from normal running to debug mode.
In Android Studio you can use a function which is not declared yet and if you declare it afterwards, it is recogniced and can be completed by the code completion. Xcode does not know shit about undeclared funtions...5 -
> Be me
> Programming for an embedded system
> It's not interruptable
> Got ISR Fault (Interrupt Service Register)
> WTF
> Breakpoints are useless
> WTF
> Comment out some lines
> Turns out it goes ISRF Infinite Loop because of the multi dimensional array of strings
> WTF
> Use pointer intead of defining actual size
> Works
> WTF
WTF?1 -
I encountered a really weird bug today in my javascript. I'm working on a CMS and one of the things it handles is adding, uploading and resizing images. So, one function adds an empty image to the dom, unselects the currently selected image and selects the new empty image. Pretty straighforward right? So the problem is the unselect function didn't want to work. The image is added and gets selected but the previous image is also still selected.
I set a few breakpoints checked every variable but everything was the way it should. So after an hour trying things I discovered that if I removed the code where the image get added to the body the deselect function works (innerHTML += element) I thought maybe a little timout between these two actions would work but it didn't work. It looks like all dom actions lock up after the empty image gets added. I didn't understood so I moved the unselect function to the above the image add code and it worked wut ??.
code before fix:
func:
body.innerHTML += html;
unselect();
select();
after:
func:
unselect();
body.innerHTML += html;
select();
Atleast its fixed now -
Debugging WebRTC is pure hell.
For starters, it's JavaScript, so you know this isn't gonna end well. Second, it's still in kinda beta phase for some browsers so you gotta add polyfills. Let's talk compatibility now. During normal days, yeah, I could ask for a couple of computers in the office, each using a different browser. But, covid. One browser mishbehaves and doesn't wanna share the camera with the other browser, so I can't really test a connection with the only 1 computer I have. I can't take my partner's computer all day to debug.
Solution: ask the marketing department or even the execs to video chat with you to test it on a staging server. So I push my changes to the server, wait for them to build, call my lab rat, check all the bugs, clean the code, push the changes back up. No fancy breakpoints. I'm doing the old style like my great uncle did. Oh wait no, he was pretty intelligent, but my lab rat isn't. They probably don't know what a console is. So no baby I'm not only talking about console logging the problems, I'm talking `alert` the heck out of the bugs - okay no, I'll just display the objects in the middle of the screen. The screen is my console.1 -
Need to rant / maybe some advice.
Working remote is hard.
New company, remote on boarding. I feel like my coworkers are robots, and I'm being tossed into the deep end with minimal guidance.
The codebase is so unnecessarily complicated, its impossible to read. I've been trying to figure out how things work for a whole month, still not sure.
My mentor that is supposed to help onboard me is a robot, and answers questions in a somewhat acceptable manner, but it still feels like a lot of "figuring out" is still left for myself.
My other work partner that is also a newbie like myself is also a robot - doesn't talk or ask many questions whenever we have a sync up meeting.
The codebase is huge and feels quite overwhelming, I don't feel like I got a team "with my back", I don't enjoy work as much as I have before, I barely do any coding (mostly reading code and trying to understand how everything is working by setting breakpoints and debugging tests that take foreeeever to run), and some days I'm seriously considering cutting my losses and jumping ship just to save my sanity.
Am I paranoid? Am I just dumb? Should I just suck it up and be happy I have a job? Is this how Remote work is supposed to feel like? Why does it feel like my soul is dying?
Anyone in similar situations, or who can give some insight/advice/etc, I would highly appreciate it.
And this is supposed to be a good company too from the reviews. I don't know how it can be so crappy in reality. Did I make the wrong choice joining? Should I jump ship sooner rather than later? I've only been here about a month or so, and maybe its too soon? Halp!12 -
Today I spent half an hour trying to figure out why my IDE stops on an exception that is very obviously caught.
I left a breakpoint there because the stack traces behaved weirdly.7 -
Spent all morning debugging legacy code that I need to migrate.
Most of the time is just waiting for it to load --pieces of data-- entire tables from the database and then filter out the records it doesn't want using some app logic.
WHAT SORT OF MONKEY WRITES CODE LIKE THIS? HOW WAS THIS EVEN ALLOWED INTO PRODUCTION...
I have to open Notepad to write down my chain of thoughts, steps, and things to check once the next breakpoints are hit so that I don't forget them.
So in theory I'm being paid all morning to sit around and do nothing.
That sounds great but I'm falling asleep... Shoulda worked from home...
What was I saying again...yea...
DON'T HIRE MONKEYS!!! THEY WRITE SHIT CODE THAT WASTES EVERYONE'S TIME EVEN AFTER THEY LEAVE...
I'm going to lunch now... Hopefully Notepad has enough into for me to remember what I was doing... -
Learn to debug, breakpoints are your friends. Never ask someone help without trying yourself to debug your code.
Debug an existing code is, I think, as important than being able to write your own code.3 -
I wish real world would have breakpoints and we could just go back to fix those bugs.
What is wrong with people... Trump, Munich, Ansbach, Nice, Brexit, Orlando... so many bugs to find...3 -
I have seen a developer implement lots and lots of breakpoints. For basically every pixel resolution a new one. Yes, it’s literally pixel perfect. No it isn’t maintainable in any way
-
Now that I've spent a few ineffectual hours too many trying to get it working, I'm starting to think VS Code wasn't built for the purposes I wanted to use it for. I still can't get breakpoints working anywhere close to reliably. And I'd say breakpoints are pretty important.
On a related note, if anyone here has used VS Code together with arm-none-eabi-gdb, I'd love some pointers. I've yet to find any traces on the web of people doing that…3 -
I really hate doing all the tweaks for tablet and mobile on websites. No matter how hard one tries to design for mobile first and make the transitions as seamless as possible, there are always some “fiddly bits” that won’t behave. And so many devices with all their viewport width variations. Also, there’s the matter of people resizing a desktop browser to any width that might not be covered by the breakpoint ranges that specifically. One could write a hundred breakpoints and still not account for it all on some designs. It’s exhausting.2
-
In Java, I use dummy variables to set breakpoints and get around the return unreachable compiler/Eclipse check2
-
Dev Mantra
I do not write code with my keyboard. He who writes code with his keyboard has forgotten the days of the punch cards. I write code with mind.
I do not write non descriptive variables. He who writes non descriptive variables has forgotten the days of the punch cards. I write self descriptive code.
I do not debug by brute force. He who debugs by brute force has forgotten has forgotten the days of the punch cards. I debug with breakpoints and stack traces.1 -
I just spent 6 hours searching for the reason my code ONLY works when stepping through the breakpoints. Turns out I just had to add a single line of code to my procedure (chartObject.Activate) to make it work. I'd be lost without those 3 year old posts on some shady Excel VBA forums.
Thanks for documenting that, Microsoft! -
Lately I take work literally seriously, not due to motivation but due to fear, more on that later, but this is what I think about lately while I'm working
> that line of code should fix it
> oh shit I should've checked logs
> let me check logs
> let me put 10 breakpoints in code and javascript in chrome
> why is this bug not reproducing?
> why I have to work on someone else's spaghetti code?
> this loop iterates over all customers' data I'll just step over it, Oh fuck I resumed
etc etc
I'm feared because where I live, isn't a good place for software developers as there aren't companies which hire, those who hire need ninja developers who complete 1 JIRA Sprint/Phase in 1 day, Here I feel safe as there are people to correct me plus coffee machine -
Isn't it fun when you are given a library or framework and that in order to debug it you have to use some hacky way of hooking the code to a special instance of the project?
Even more fun: the developers by default don't debug the project with tools, but rather with logic. Ok, that's a good way to debug but it shouldn't be the only way to debug. I don't want to go back to the age of coding on paper. At least give me a stacktrace that's halfway clear on what's happening there. Even worse is when the framework doesn't document its own problems! stacktrace.someMagicalMethodNoOneKnowsWhatItDoes(). Having to read the even more mystic and overly verbose documentation! You're just left there trying and guessing shit, even for the senior devs!
And do you know what's more fucked up?! Fucking using println() to debug!! And they take this shit seriously! I don't understand how these people call themselves programmers. No breakpoints? What the fuck, man!
Just give me Visual Studio for fuck's sake. I don't want to code in a broken IDE with a broken framework. Development on its own is already hard enough, so don't make it harder by giving me crappy frameworks and crappy IDE's that only work half the time.
Debugging without a debugger, with broken IDE's, with broken frameworks, I'm sorry but that's just not for me. And then the framework dares advertise that it 'lets the developer focus on business code!' (how many times have you heard this crap before?). Right, the only thing I focus on constantly is trying to figure out why their broken framework doesn't work.
Arghhh. -
#AskingForSuggestions
Suppose, you were given a project source code of an Android app, a pretty BIG sized app. You don't know anything about the code unless you read line by line. Now you were given a deadline to fix some bugs, but you don't know where to start or where to put breakpoints to debug. In that case, how would you do it? How would you debug the code?
Thanks13 -
My team still use console.log for debuging instead of breakpoints, I don't really care about it when the code in development, but I really hate it when it goes to production.
I search in the project and found total 231 of console.log with allow console rules above it, I mean why don't you just delete it after the code is working, it's not that hard rather than to delete all console before goes to prod.6 -
Within some real time communications app, my colleague, puts breakpoints to inspect. While inspecting the other party of comms goes into timeout. I advised to use print-breakpoints (vs 2015). So he stops the program and looks for the variable of interest then hit Run as fast as he can.
-
Are there any frontend developers out there that use a full ide like webstorm, intellij or eclipse?
I can't seem to understand why everyone is mucking about in a text editor without breakpoints and such6 -
I wish I could start my web based Brainfuck IDE with single stepping and breakpoints, as well as code formatting. I wrote it as a Java desktop application 2 years ago with no comments and I've never touched it since.
-
Side job - some consulting.
Second day of editing 70k one file, unmanageable javascript code to find memory leaks for some embedded device that is running on chromium embedded framework. Luckily there is chromium remote debugger for it so I can make snapshot and place some breakpoints.2 -
Visual Studio is the worst. Ever. I was about a half hour digging into debugging my code, and I was about 8 layers deep into the API, with breakpoints to anchor me to each level. With no warning, Visual Studio crashed and I lost all my breakpoints, and I didn't know which file I left off in. I had to completely restart the debugging process. Visual Studio deserves to burn...4
-
So, do any of your poor fuckers have the opportunity - nay, PRIVILEGE of using the absolute clusterfuck piece of shit known as SQL Server Integration Services?
Why do I keep seeing articles about how "powerful" and "fast" it is? Why do people recommend it? Why do some think it's easy to use - or even useful?
It can't report an error to save its life. It's logging is fucked. It's not just that it swallows all exceptions and gives unhelpful error messages with no debugging information attached, its logging API is also fucked. For example, depending on where you want to log a message - it's a totally different API, with a billion parameters most of which you need to supply "-1" or "null" to just to get it do FUCKING DO SOMETHING. Also - you'll only see those messages if you run the job within the context of SQL FUCKING SERVER - good luck developing on your ACTUAL FUCKING MACHINE.
So apart from shitty logging, it has inherited Microsoft's insane need to make everything STATICALLY GODDAMN TYPED. For EVERY FUCKING COMPONENT you need to define the output fields, types and lengths - like this is 1994. Are you consuming a dynamic data structure, perhaps some EAV thing from a sales system? FUCK YOU. Oh - and you can't use any of the advances in .NET in the last 10 years - mainly, NuGet and modern C# language features.
Using a modern C# language feature REMOVES THE ABILITY TO FUCKING DEBUG ANYTHING. THE FUCKER WILL NOT STOP ON YOUR BREAKPOINTS. In addition - need a JSON parsing library? Want to import a SDK specific to what you're doing? Want to use a 3rd party date library? WELL FUCK YOU. YOU HAVE TO INDEPENDENTLY INSTALL THE ASSEMBLIES INTO THE GAC AND MAKE IT CONSISTENT ACROSS ALL YOUR ENVIRONMENTS.
While i'm at it - need to connect to anything? FUCK YOU, WE ONLY INCLUDE THE MOST BASIC DATABASE CONNECTORS. Need to transform anything? FUCK YOU, WRITE A SCRIPT TASK. Ok, i'd like to write a script task please. FUCK YOU IM GOING TO PAUSE FOR THE NEXT 10 MINUTES WHILE I FIRE UP A WHOLE FUCKING NEW INSTANCE OF VISUAL STUDIO JUST TO EDIT THE FUCKING SCRIPT. Heaven forbid you forget to click the "stop" button after running the package and open the script. Those changes you just made? HAHA FUCK YOU I DISCARDED THEM.
I honestly cant understand why anyone uses this shit. I guess I shouldn't really expect anything less from Microsoft - all of their products are average as fuck.
Why do I use this shit? I work for a bunch of fucks that are so far entrenched in Microsoft technologies that they literally cannot see outside of them (and indeed don't want to - because even a cursory look would force them to conclude that they fucked up, and if you're a manager thats something you can never do).
Ok, rant over. Also fuck you SSIS1 -
System.out.println
for setting breakpoints when debugging. It's a bit long though, anything better?2 -
I halfway remade a 2d radar in shadertoy (original in description).
https://shadertoy.com/view/wt3SR7/
(watch it in 640x360 by zooming in or out until you get that res, I tried to main aspect ratio, but I hardcoded one value because I'm lazy)
shaders are tough to get started with:
no breakpoints.
logging doesn't make sense so it's avoided.
if's are replaced with step statements.
if you suck at math, you suck at shaders.
if you suck at trig, you suck at shaders.
hardcoding values is viable debugging.
hail hsb2rgb for pretty colors (I have no fucking idea how does it work though).
I tried writing here the challenges I found while making it, but most of them are heuristics and are hard to follow/explain in just text.
I can say though, that sometimes you come up with a solution, but it doesn't look really good, so you have to use something else.
or sometimes you come up with a solution but it also creates unwanted coloring that you have to erase.
or sometimes you have no fucking idea what your operations results are, or you get dizzy by the math. Hardcoding helps wonders.1 -
About ready to murder Xdebug...debugging an issue on a Drupal site and the debugger catches fine if I set a breakpoint in index.php, but breakpoints in any other file do not catch, even though die statements show that code is being executed where the breakpoint is set.3
-
For all JS Frontend Developers: Learn to use the Developers Tools. Use Breakpoints and the Stack for Debugging.
-
WTF new Chrome devtools breakpoints faded away and put inline within the code and for every one you set you get extra 3 for free... ???1
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When you join a React JS SPA project months after the start to discover that 2 CSS grid systems with totally different breakpoints have been in use in parallel since 5 months, hidden by layer upon layer of abstraction, and that no dev bothered to fix, let alone notice.
#FML -
so yesterday i was manualy checking if endpoint works as suppoused to (there was a bug before). And nothing changed, so I deeply checked everything, refactored a bit and sent request again. Nothing changed! Breakpoints does not work. WTF! After one hour realised that I was sending requests to dev server not localhost :-( now it works fine.
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I worked for 7 hours today trying to find the bug because our BPM process wasn't working and the clients are really upset. I was pretty sure everything was correctly configured. I did around 15-20 rounds of debugging, putting and removing breakpoints in different parts of the whole project, going back to certain lines cause I might have missed a bug or maybe an error was there and I'm just not seeing it.
In the end, the only fucked up thing about it is that the table in the clients' ddbb was broken. It was considering something NULL even though it's not and the only thing I did was duplicate it and change the duplicate's name to the original name.
Those were 7 hours of wasted time, but at least I get paid for it! -
Is there a debug tool in Visual Studio that acts like a global HashMap<String, object> that you can add random objects to so that you can verify which objects are the same instance between breakpoints and view the state of an object that you had access to but is not in scope at a given breakpoint? I'm debugging a GUI app right now and it's an enormous pain in the ass to track identities, I resorted to adding random properties and statics to classes just so I can express this basic ass persistent debugger state6
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`Holy shit never turn on caught exception breakpoints in vs code for node !
and the one place i need the damn code to break, it doesn't break !1
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