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Toilets and race conditions!
A co-worker asked me what issues multi-threading and shared memory can have. So I explained him that stuff with the lock. He wasn't quite sure whether he got it.
Me: imagine you go to the toilet. You check whether there's enough toilet paper in the stall, and it is. BUT now someone else comes in, does business and uses up all paper. CPUs can do shit very fast, can't they? Yeah and now you're sitting on the bowl, and BAMM out of paper. This wouldn't have happened if you had locked the stall, right?
Him: yeah. And with a single thread?
Me: well if you're alone at home in your appartment, there's no reason to lock the door because there's nobody to interfere.
Him: ah, I see. And if I have two threads, but no shared memory, then it is as if my wife and me are at home with each a toilet of our own, then we don't need to lock either.
Me: exactly!12 -
Complaining about Chrome's RAM usage is like eating fast food.
It's good, it's fast, you love it, all day every day. Then you complain about being fat.
😂5 -
When programming will be possible on our mobile phones and the deadlines are fast approaching. 😂😂😎
5 -
*Cuts 7 slow lines of code down to 1 fast line of code*
*Looks around to see if coworkers can see me*
*Pumps both fists in the air*7 -
Python is so ridiculously easy and fast to write, I'm just waiting for the release where you just say:
def main():
make_program("RegExParser", "fast", "fancy")
And that's it...15 -
I'm regretting not having have done this long time ago. You can tell the difference from HDD right away. Everything loads up really fast... Heck, Android Studio even loads fast lol
Switch to SSD to save your life and time 😀
12 -
When Zuckerberg says "Move fast and break things", it's "innovative" and he is an "entrepreneur", but when I "move fast and break things" it's "reckless driving" and I'm "causing car accidents"...6
-
If you want to go fast, work alone.
If you want to go far, work in team.
Fuck the team, I'm going fast.5 -
Recruiters and devs in a nutshell
Q: Your resume says you're fast at solving math problems?!
A: Yes
Q: What's 214x21?
A: 3249
Q: But, that's not correct!?
A: Yes, but it was fast!4 -
A few days ago arrived my new amazing fnatic Mechanical keyboard. Makes writing crazy fast! I recommend
11 -
Never seen anything more cringy than the "hacking" scenes in the new Fast and Furious movie... -.-6
-
Google: You need a fast website to rank well.
Me: Ok, so why does your Google Analytics, Google Tag Manager, and Google Optimize code drag my site down to the seventh circle of Hell in performance?
Google: You need a fast website to rank well.
Me: ...3 -
Favorite co-worker conversations:
Guy 1: PHP can be plenty fast! Just put in APC, Memcached, and Varnish and you can handle just about any load.
Guy 2: So you're saying PHP is fast when it doesn't run.1 -
I did it: I built up another PC identical to my machine (https://devrant.com/rants/2923002/...) for my SO and installed Linux Mint for her, too. That had been my primary motive for an easy and stable distro in the first place.
Now that didn't come out of the blue. We were discussing the end of Win 7 already two years ago where I brought up my concerns with Win 10 - mainly the forced, lousy updates and the integrated spyware, and that I was considering Linux as way out.
I had expected quite some pushback because she had been exclusively on Windows since the 90s. However, I didn't sell Linux as upgrade. It's just that Win 7 is over, progress under Windows as well, and we're in damage control mode. Went down pretty well.
Fast forward three weeks - remember, first time Linux user and no IT-geek:
- it just works, including web, videos, and music.
- she likes Cinnamon.
- nice desktop themes.
- Redshift is as good as f.lux.
- software installation is just like an app store.
- updates work via an easy tray icon.
- quote: "Linux is great!"
- given this alternative, she doesn't understand why people willingly put up with Win 10.
- no drive letters: already forgotten.
- popcorn for upcoming Win 10 disaster stories.
- why do Windows updates take that long?
- why does Windows need to reboot for every update?
- why does Windows hang in that update boot screen for so long?
I'm impressed that Linux has come so far that it's suitable for end users. Next in line is her father who wants to try Linux, but that will be a story for tomorrow.22 -
Waiting for the day computers are fast enough so you can use redstone to program Minecraft inside Minecraft3
-
According to Fast Company, Apple is more innovative than SpaceX or Tesla. Here’s top 20 according to them:
36 -
My internet got finally fixed. Currently, it is also very fast. Very very fast.
Related: https://devrant.com/rants/1374617/...
14 -
Funniest meeting ever!
Some years ago, there was the regular department meeting where useless news from upper management were handed down. The team I was in was also there: team lead, co-worker and me. The team lead had a new girl and was daydreaming of their nights, my co-worker wasn't quite back from the football match on the weekend, and I was playing chess on my mobile.
Department lead was blah blah blah and when can we do this on your rig? We looked at each other and instantly realised that none had been paying attention.
My co-worker was the fastest to recover and straight-facedly turned to me: "Well Fast-Nop, that's your domain."
I picked the ball up before team lead could say something: "Sure, but schedule appointment is for our lead."
Our lead couldn't contradict us and then had to negotiate a schedule while trying to find out what it was about. *LOL*2 -
Amdy's story.
Amdy didn't have it easy. He's just a little APU and was already outdated when he was manufactured. But it got even worse! He didn't do anything wrong, but upon assembly, they lasered a different part number on him.
He didn't think much about it, but then they denied him all the goodies his brothers got: a nice printed box, a cooler, a leaflet, and a sticker.
Amdy didn't get any of that and wasn't welcome in the boxed camp. Instead, they stuffed him into a shoddy tray cardboard box with just some ESD foam for the pins.
Amdy was disappointed. That was just not fair! He was capable like his brothers. To add insult to injury, not even the manufacturer wanted to give warranty on the poor ugly duckling. They didn't listen to his complaints and shipped him to an unknown fate.
Then our roads crossed because Amdy was 10 EUR cheaper than the boxed ones at that point. Little Amdy breathed heavily when he finally got out of the mini box and seemed a bit disoriented. Poor little sod, what did they do to you?
Then he spotted the cooler. He had never seen anything like this before, so much better than the coolers his boxed brothers had received! And even top of the line thermal paste!
Amdy decided to be as good and fast a processor as a small Zen+ APU could possibly be. What was that software stuff? Didn't look like Windows. Ooohhh - Amdy rejoiced when he figured out that he was supposed to run Linux!
And that's how a despaired and unhappy APU finally found a life full of goodness.6 -
Just got a message from a client:
"I want to do it good and fast".
That's gonna cost something man!! :')3 -
We had all hands on developer meeting. There were 2 interesting bullet points:
- deliver fast
- make quality applications
I mean, these two points are not correlated 🙈10 -
I've just invested all my university money in Bitcoin. If it fails, I won't continue my education. Not even mad3
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Got fed up with having to use the mouse/trackpad while editing code or using the terminal, so I decided to (finally) learn proper vim keybindings and tmux.
Boooooy oh boy, this certainly changes things.
I think I'm in love with tmux. Damn that piece of software is so sexy. Disabled the mouse, propped up my dotfiles and installed tmux + my conf on all machines I use. It's so useful, so fast and so pretty...
Spent some time with vimtutor too. Finally getting faster with the keybindings. Installed neovim, got some plug-ins (nerdtree, fzf etc), disabled the mouse and arrow keys, and made it pretty. It's actually pretty nice, but I'm not at the "buff gorilla who took speed and pressed 24 keys in a microsecond" typing level yet. One day though.
Also I'm using the Nord color scheme on everything. Overall pretty satisfied with the end result. Still not as productive as I was with VS Code, but I think I'll eventually surpass my previous productivity levels.
If anyone has any tips for vim/nvim or tmux, feel free to share!10 -
So I'm writing some multithreaded shit in C that is supposed to work cross-platform. MingW has Posix threads for Windows, so that saved already half of the platform dependency. The other half was that these threads need to run external programs.
Well, there's system(), right? Uhm yes, but it sucks. It's incredibly slow on Windows, and it looks like you can have only one system() call ongoing at the same time. Which kinda defeats the multithreaded driver. Ok, but there's CreateProcessA(), and that doesn't suck.
Fine, now for Linux. The fork/exec hack is quite ugly, but it works and is even fast. Just never use fork() without immediate exec(). First try under Cygwin... crap I fork bombed my system! What is this shit? Ah I fucked up the path names so that the external executable couldn't be run.
Lesson learnt: put an exit() right after the exec() in the path for child process. Should never be reached, but if it goes there, the exit() at least prevents a fork bomb.
Well yeah, sort of works under Cygwin, but only with up to 3 threads. Beyond that, it seems like fork() at some point gives two processes the same PID, and then shit hangs.
Even slapping a mutex around the fork and releasing it only in the parent process didn't help. Fork in Cygwin is like a fork in the ass. posix_spawn() should work better because it can be mapped more easily to the Windows model, but still no dice.
OK, testing under real Linux. Yeah, no issues with that one! But instead, I get some obscure "free(): invalid size" abort. What the fuck would that even mean?! Checking my free() calls: all fine.
Time to fire up GDB in the terminal! Put a catch on the abort signal, mh got just hex data. Shit I forgot to compile with -O0 and -g. Next try. Backtrace shows the full call trace, back to the originating line in my program - which is fclose() on a file.
Ahhh I remember! Under Linux, fclosing a file that is already closed makes the program crash. So probably I was closing it twice. Checking back.. yeah that's where it was.
Shit runs fast on several cores now!8 -
When a recruiter says "a fast-growing, family driven company", he's basically calling it a startup?5
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Small bug: If you scroll down a comment section fast enough, avatars will be wrong (last avatar...)
13 -
Ok i post it a bit late but what the hell.
This is my monster now! I now shall conquer the world!
MSI GL62 7RD
with that configuration:
CPU: i5 7300HQ
RAM: 8GB DDR4
GPU: gtx1050
HDD: WB blue (small laptop one) 1TB
Ok i already had that configuration for a while... but it was sloooowwwww D:
That is why for my birthday/chrismas i bought myself additional 8GB of ram and a tiny nvme ssd to make everything 1000x faster! 😎
1 ++ for a person who reads how big the ssd is...
11 -
In my three years experience so far I can honestly say that 100% of the developers I've worked with are narrow sighted with regards to how they develop.
As in, they lack the capacity to anticipate multiple scenarios.
They code with one unique scenario in mind and their work ends up not passing tests or generates bugs in production.
Not to say I'm the best at foreseeing every possible scenario, but I at least TRY to anticipate and test my code as much as possible to identify problems and edge cases.
I usually take much more time to complete tasks than my colleagues, but my work usually passes tests and comes back bug free. Whereas my colleagues get applauded for completing tasks quickly but end up spending lots of time fixing up after themselves when tests fail or bugs appear.
Probably more time wasted than if they had done the job correctly from the start. Yet they're considered to be effecient devs because they work "fast".
Frustrating...7 -
I just upgraded to an SSD (finally! I know right?), and holy crap, SSDM showed up in less than 2 seconds!
Oh I've been missing out on life!
IT'S SOOO FAST!!!!3 -
How many times do you mistype "git status" a day?
I will propose "git stauts" to be added as a valid command.11 -
If you go back to Win 7 from Win 10, you realise that things open faster than you can even blink. Case being that you use an ssd ofcourse. Oh and lets not even talk about a linux distro like Linux Puppy, running straight from the memory! Hahah
Just remembered this and miss how lightning fast it felt!6 -
I can't stand this JS is sooo fast bullshit anymore. You just suck at coding if your code with the most other languages is significantly slower.11
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Oh my god has anyone seen or used these. Ssd pci cards. From western digital? 2000 mbs read speed. That's stupid fast.7
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HuGhEsNeT gEn5 Is FaSt.
*Yes I know for some of you, 25 mbps is fast. But it's not here. I've got 100/100, I believe. And soon to have the option for gigabit, I believe.
7 -
yet another Microsoft bashing rant...
I'm trying to get `Visual Studio`
You use your Windows 10 VM, use Edge, use Bing and search for `Visual Studio`.
First fucking result:
A Visual Studio alternative - A powerful C & C++ IDE - CLion
-- from jetbrains.com
Like... WTF, you not even promoting your' own stuff ?
But then for when you search 'firefox' w/ bing+edge a thick fat banner: 'Promoted by Microsoft': There's no need to download a new web browser.\n MS recommends Edge for fast ...6 -
Guess I asked for it by joining the Windows Insider fast lane but my desktop background has disappeared :((3
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Why do people think that programming is easy? Like creating a website with everything seems to be so easy for people without knowledge...7
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For all the privacy focused people out there, Cloudflare and APnic announced (about 2 days ago) that they created a privacy-first super fast dns server (1.1.1.1 and 1.0.0.1)
https://1.1.1.1/3 -
So, this is 2023, a year with a prime number, Windows updates will be fast, the Linux desktop will have a breakthrough, and AMD will have 25% dGPU market share.5
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Disney Fast Play is a fucking lie.
Every god damn time racing to find the remote before “Fast Play” kicks in with like 17 minutes of fucking unskippable previews.
Fuckin’ Mickey Mouse hat mother fuckers.4 -
~dev, not in front of computer stuff
Playing with the controller and power management using the torque sensor, managed to get this flatland cook-off going today on the fat tire ebike with only 50watts of assistance. Efficiency gains over stock of 28%! 30mph on a bike feels ridiculously unsafe, but the looks you get from cars are even better.
Love being able to gather all this telemetry (GPS, elevation, pulse, durations), gives me stuff to fish through and data to play with.
6 -
So, is there something called Chicken Snack Wrap in other McDonalds ?
It has chicken, bacon, and lettuce in tortilla.
Just got curious cuz thats the only thing i eat in McDonalds. Lol11 -
Fucking four hours wasted.
Bad idea
.subscribe(({ messages }) => {
this.messages = messages;
// Scroll to bottom of the chat content
this.chatcontent.nativeElement.scrollTop = this.chatcontent.nativeElement.scrollHeight;
});
because the dom is not manipulated that fast.
Good Idea:
ngAfterViewChecked(): void {
// Scroll to bottom of the chat content
this.chatcontent.nativeElement.scrollTop = this.chatcontent.nativeElement.scrollHeight;
}5 -
So devRant takes about 4-5 seconds to load after launching it. I have a good internet connection and my phone is fast. Does this happen to you too??4
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Somebody claimed to be an "ex-McDonalds chef". This is right up there with "prompt engineer". Buahahahahahahaha!!!
I guess I should put on my resume: "Hardee's Chef - 2 years" hahahahahaha!!!14 -
A few days ago I noticed that KDE Plasma was taking ages to launch. Like a minute or two of black screen as it loads, then a few more minutes of terrible slowness before things start to respond as they should. I assumed KDE was at fault and was just too bloated, until I recalled that my root partition was on an old 7200RPM HDD. I had completely forgotten since I dual boot and was primarily using Windows (which is on a separate SATA3 SSD) for the last few months.
So I replaced the HDD with an NVMe drive.
HOLY CRAP. SO FAST.
Cold boot to fully-responsive KDE in all its bloated majesty in less than 15 seconds.6 -
Trying to learn 10 finger system as a gamer, fucking WASD was burned in my mind for a long time already...
Yeah, I never bothered since I'm pretty fast at typing anyways, but I'm hoping I could get a little faster like this, for the long run
Ah yeah also to stop looking at the keyboard
Now I'm curious, what do you guys type like?
If that makes sense12 -
I just realized that I subconsciously believe more lines of code means slower code.
It's not intellectual. I understand that little lines of code often are just calling other code. That this is not how Big O works or does not replace benchmarking and that some data structure requires a lot of code for immense speed up. E.g: B-Trees with sizes at page size for big amounts of data read from a secondary storage location.
But still, when I see a function with just 3 to 5 lines, my inner monkey believes it must be fast.
Know your biases, I guess.3 -
TL;DR: working too fast is as worse as working too slow
3 months ago the team leader left.
Sincee then, me and another dev are sharing his responsibillities.
Me and him used to do a lot of testing.
(In our team, the devs test and CR each other)
Now that he left, I often find myself sitting without anything to do - because I did all the available tasks and no one tested them or gave feedback.
Sitting with nothing to do feels aweful.
My manager sits behind me, so i cant sit on devRant or Twitter without feeling bad about it.4 -
The moment you're declaring variables but keep writing "ASS" because you're typing too fast...
Happy Monday!11 -
When you take your fast but plain cgi scripts and convert them to fastcgi...
"no way the page parsed and analyzed 325 XML trees this fast" 😇
-
Nitrux OS
I feel that this piece of wonder isn't getting the recognition it deserves.
One of the most beautiful UIs out there, revolutionary tech like znx(booting from the main iso ALWAYS and keeping user data across reboots, in a nutshell) and it has weird ass virtualization stuff that allowed them to run windows with very little virtualization overhead(tech details yet to announce).
Imma stop here before getting labelled another fanboy, just check it out and see for yourself
Thanks for reading, i use arch btw8 -
Typical Windows 10:
When you don't need to do something fast - I'm super fast OS, I have no bugs and I won't throw BSOD's
When you need to do something REALLY fast - Hey, I've got some updates, I'll be installing them during several eternities and I'll throw you some BSOD's cause I can
PS. In such cases I really want to install linux1 -
!rant
With how fast things are improving in the information age, there's one thing I might not ever hear again.
"(Name of family member) get off the phone I am using the internet!!"
Feeling reminiscnt.
What's yours?3 -
!rant
God damnit, I'm 20 and already got a burn out due to work (fast food job) and school.
I go to school 5 days a week 8 hours a day and I work every weekend 8 hours a day only so I can afford my study better and to be able to afford my internship to Japan next year.
The worst thing is I'm in a endless loop because if I stop with school I need to work full time to pay off my school loan and if I stop my work I can't pay for part of my school and my internship.
If anyone has any tips for me what to do before this ends badly I will gladly hear them2 -
Why do you get so fucking full so damn fast when you're drunk. It's really fucking annoying.
Seagull.1 -
Another Rust drama 🤷♀️
https://gist.github.com/fasterthanl...
I wanna note that they resigned blazingly fast.
7 -
C/C++ - complex, very fast, used for OS dev
Java - Comparatively easy, fast, used app dev
Python - very easy, comparitively slow, used for app dev
Then there is this boy
Rust - Just fucks you up10 -
Changing instances to arrays. So we've all had this issue:
Option 1 was the most flexible and abstract option where a lot of functionality could be built on this.
Option 2 was the fastest solution, that would solve only specific problems.
The whole Agile philosophy points to option 2. The problem is that clients will always want to add that functionality in option 1, and changing requirements makes us lose time, the precious resource that managers supposedly cherish, yet they always want us to choose the fast option.
We're at that point where the client wants to add functionalities, but since we already built with the previous requirements in mind. Ugh.
Changing instances to arrays.1 -
TL;DR
I just got a mail from our universities tech support for a ticket I openend a fucking year ago... They didn't respond for a whole year and are now working on it?
One year ago I had problems connecting to eduroam on my Linux machine. No matter what settings I tried I never got it to work.
So I decided to open a ticket at my universities tech support. Fairly fast they answered me and tried to find what the problem was. Somehow only half my username made it to their server which means their is no way I can log in.
The conversation went on for a few mails but we never managed to solve the problem...
Now after one year they send me a mail stating that I can call them if I still have this problem.
Wtf? Who answeres to a ticket from one year ago? Why is the ticket still open? Did they work on it or just randomly decide to reply to old mails? Why didn't they write anything in the meantime?2 -
Oops! Something went wrong! :(
ESLint: 8.57.0
TypeError: require(...).pathToFileURL
Did someone move fast and break things again? -
I can't use this keyboard to program:
Got a transparent touch LED keyboard because I thought it was cool, turns out the lazy chinese programmers have used a really long debounce time of ~100ms in its firmware to prevent duplicate keystroke detection.
Which means, I can't type as fast as I want on this thing! 😭
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Having co-workers that understand to not sacrifice quality over shipping features as fast as possible.
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For the people walking slowly in the middle of the passageways, walk the fuck fast or walk on one side of the corridor. People like me get caught in a dilemma whether to walk fast pushing you to a side or walk damn fucking slow behind you.4
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Damn, I'm conducting some benchmarks on go and php...
A php page that simply returns "hi" with no framework is a lot slower than 1000 calls with 200 concurrency to a go function that queries redis and returns a json.1 -
Currently my mom is so bored she's reading one my Fast Company medicine they just arrived today... O.o
-
After many days, My computer started working fast.
Found Reason: My Anti Virus had been expired ;)1 -
Does anybody else feel a little sad when reading rants or negative comments concerning frameworks you've used a lot or maybe even more in case you're still using them?
In my particular case I just read some comments tackling Angular - and I do not want to say, that those comments aren't justified. We're currently living in a more than ever fast-paced front end framework world and Angular is simply not state of the art anymore.
So I do not want to start a "what's the best framework" discussion here, that's not my intention.
This is more about the feeling you get when you've built a lot of stuff using a framework, maybe you have still projects running on this framework or even contributed.
Either you do not have the time to switch to another framework yet or you're even still somehow satisfied with the way they're working.
However - reading all this negative stuff about such a framework is sometimes not that easy.
..or am I just some kind of strange, sentimental developer guy? ;D10 -
import ssd.fast.*;
!rant
Sooo....
Some time ago I told you guys about my Laptop (9 Years old Acer Asphire) and how fucking awful slow it was with windows. So I installed Solus and it was fucking fast :D
But on Friday I installed Kali Linux with full Desktop, and there it goes, fucking slow again... So I got an SSD yesterday for it, installd Kali again and JAY I CAN MULTITASK AGAIN!
LOVING FUCKING SSDs IN OLD LAPTOPS I WILL USE THIS THING FOR LONGER NOW !!!1!2 -
I decided to go for it, and build this chat GPT web-app. I built an authentication system for it crazy fast. While I’ve built several e-commerce websites, I’ve never actually owned one. What should I expect?2
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Anyone know of a free screen sharing application for Windows for mirroring my Android device. Vysor is ok but I don't want to pay for anything. Ive tried wireless mirroring but that is slow, so I prefer USB connection. I am looking for a free, no ad, program that is fast.3
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The overall theme of my job is being fast. Unfortunately our managers don't understand that if you are efficient you become fast as a result. So all we are doing is basically a lot of quick occupational therapy and blowing hot air.2
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I was eyeing Samsung T7 ssd for a while now it pulls about 1000MB/s
But then i can across a M.2 nvme ssd + enclosure for about same price with double the performance
Some of Samsung’s 970 evo are pulling 3GB/s , but I think i will be limited by my CPU in that case
So much confusion for buying a freaking storage15 -
Don't you hate it when you are typing too fast in him and you accidentally capitalize your commands?1
-
$estimationTime = Experience::get($work)->timeSpent() || "Sorry, can't tell, will do as fast as I can";2
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yesterday i worked a bit on my sites, checked again today to find them slow af. checked for flaws and recursions, did not find any. google page speed insights were totally fine. then i tried with my mobile connection and it was really fast. wtf vodafone?!
(speedcheck for dsl was fine)2 -
I know another Apple iPhone post but hear me out on this one. So the new iPhones support fast charging right? Now supposedly/apparently when you buy an iPhone 8 or X it comes with a regular power brick and cable which means you will have to drop another 85$ to actually fast charge your iPhone... like what?
source
https://youtube.com/watch/...1 -
So Adam was like dog, goat, lion, elephant, squirrel,
then:
"This at last is bone of my bones and flesh of my flesh..."
Even the snake was like: "That escalated fast" -
Anyone else effected by the UK fast outage yesterday? We've come in this morning to a failed drive (or so we think) our Web server home directory is just gone wondering if anyone else has noticed any funnies on their hosting
https://theregister.co.uk/2017/12/... -
If I would be a network administrator , I would troll everyone by creating 2 networks, one called x-fast and another called x-slow. Obviously I would reverse them so the one called slow is actually fast, and the fast one is slow. So I can benefit myself from a private network with no one on it because it's "slow" :-)
Evil me or genius?1 -
Just found some of Andrei Alexander's I'd videos on YouTube. Specifically the cppcon 15 talks. Does anyone else here know of talks or books etc all that can satisfy my near-juvenile love for fast code.
-
VS2017 fast load, breaks our project in 7 different ways AND compiles much much slower. Which idiot gave the green light for public release especially with multiple ms blog posts promoting it3
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On a side note, XCode 14.0.1 up and running in a new time record on an HDD (not SSD)
Was always dreaming of this moment ever since XCode 6, finally it came true
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