I once had a bug in a C# program I wrote. It made a HTTP request and if the user agent was left to default (whatever that was), the server just gave back an empty string as a reply. I took way to long until I understood what was going on and I kept chasing async, thinking I had messed it up some how.
this happens with so many scripts I’ve tried to debug with strace because strace requires to run as root or sudo which elevates the niceness of process which prevents certain errors from occuring when the script is run with root permissions and so it runs flawlessly without bugs and you sit wondering wtf
One of our customers does that. It happened multiple times already that one dev fixed an issue in production, and the next regular deployment overwrote everything.
But fortunately, it’s just critical infrastructure and nothing important.
When I left my last job they were using the zip file method for version control and one creative developer managed to link two versions of libc at the same time.
Software is so useful that the standard for utility is extremely low.
For those of you who’ve never experienced the joy of PowerBuilder, this could often happen in their IDE due to debug mode actually altering the state of some variables.
More specifically, if you watched a variable or property then it would be initialised to a default value by the debugger if it didn’t already exist, so any errors that were happening due to null values/references would just magically stop.
Another fun one that made debugging difficult, “local” scoping is shared between multiple instances of the same event. So if you had, say, a mouse move event that fired ten times as the cursor transited a row and in that event you set something like integer li_current_x = xpos the most recent assignment would quash the value of li_current_x in every instance of that event that was currently executing.
I’m a contractor at a rocket launch service provider. The final build of the ground control software is compiled and deployed to the launch pad with debug flags enabled because of a “fly like you test” mandate.
Millions of dollars and tons of time invested by brilliant people are riding on rockets that are launched using software with debug flags because of an “if it ain’t broke don’t fix it” mentality and archaic test strategies.
I’ve worked on ground systems and it’s actually come in handy two times in five years, usually where we had a hard-to-reproduce bug. Getting the info when the problem happens can occasionally be all the difference.
Addendum: And usually we didn’t care about performance. Basically never.
When I write APIs I like to set endpoints to return all status codes this way no matter what you’re doing you can always be confident you’re getting the expected status code.
Sound like a critical race condition or bad memory access (this latter only in languages with pointers).
Since it’s HTTP(S) and judging by the average developer experience in the domain of multi-threading I’ve seen even for people doing stuff that naturally tends to involve multiple threads (such as networked access by multiple simultaneous clients), my bet is the former.
PS: Yeah, I know it’s a joke, but I made the serious point anyways because it might be useful for somebody.
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The most cryptic status code I’ve received is 403: OK, while the entire app fails to load
That means you’re not allowed in, and that’s OK 😂
“Shhh, it’s okay”
Hey FYI this Blinking Guy is on Mastodon!
mastodon.gamedev.place/@drewscanlon
He worked for the gaming site/podcast “Giantbomb” years ago. Pretty sure the image macro is pulled from one of their podcast videos.
I always thought it was Cary Elwes.
I once had a bug in a C# program I wrote. It made a HTTP request and if the user agent was left to default (whatever that was), the server just gave back an empty string as a reply. I took way to long until I understood what was going on and I kept chasing async, thinking I had messed it up some how.
https://en.m.wikipedia.org/wiki/Heisenbug
Behold, https://rr-project.org/
I found the solution, we’re running debug builds in prod from now on
this happens with so many scripts I’ve tried to debug with strace because strace requires to run as root or sudo which elevates the niceness of process which prevents certain errors from occuring when the script is run with root permissions and so it runs flawlessly without bugs and you sit wondering wtf
Haha, heisenbugs, always a fun time.
More seriously, I’d be surprised if this wasn’t a classic race condition
It wasn’t :D
See my comments below.
Well, technically it was a race condition. Just one between two different programs.
Ya, fuck legacy aggrid
Perfect, now you just have to wrap your program inside a debugger in production!
We test AND develop in production. Get on my level.
One of our customers does that. It happened multiple times already that one dev fixed an issue in production, and the next regular deployment overwrote everything.
But fortunately, it’s just critical infrastructure and nothing important.
When I left my last job they were using the zip file method for version control and one creative developer managed to link two versions of libc at the same time.
Software is so useful that the standard for utility is extremely low.
There’s a name for that: DEVELOPMESTUCTION
For those of you who’ve never experienced the joy of PowerBuilder, this could often happen in their IDE due to debug mode actually altering the state of some variables.
More specifically, if you watched a variable or property then it would be initialised to a default value by the debugger if it didn’t already exist, so any errors that were happening due to null values/references would just magically stop.
Another fun one that made debugging difficult, “local” scoping is shared between multiple instances of the same event. So if you had, say, a mouse move event that fired ten times as the cursor transited a row and in that event you set something like
integer li_current_x = xposthe most recent assignment would quash the value ofli_current_xin every instance of that event that was currently executing.I’m a contractor at a rocket launch service provider. The final build of the ground control software is compiled and deployed to the launch pad with debug flags enabled because of a “fly like you test” mandate.
Millions of dollars and tons of time invested by brilliant people are riding on rockets that are launched using software with debug flags because of an “if it ain’t broke don’t fix it” mentality and archaic test strategies.
I’ve worked on ground systems and it’s actually come in handy two times in five years, usually where we had a hard-to-reproduce bug. Getting the info when the problem happens can occasionally be all the difference.
Addendum: And usually we didn’t care about performance. Basically never.
When I write APIs I like to set endpoints to return all status codes this way no matter what you’re doing you can always be confident you’re getting the expected status code.
Sound like a critical race condition or bad memory access (this latter only in languages with pointers).
Since it’s HTTP(S) and judging by the average developer experience in the domain of multi-threading I’ve seen even for people doing stuff that naturally tends to involve multiple threads (such as networked access by multiple simultaneous clients), my bet is the former.
PS: Yeah, I know it’s a joke, but I made the serious point anyways because it might be useful for somebody.
This is why we shouldn’t ban Critical Race Theory.
Yeah! Nobody uses CRT monitors anymore.
Lazy load exception anyone?
Fear kepts the bits in line