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I did a simple bar graph to show the status of a db migration. Each bar is a computer with a db file. As I was bored waiting, I added a King Kong hanging from the longest bar.8
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I heard that "options are options" so - maybe we should have even more options. What do you think?25
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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 -
This one is for devs and gamers.
But first some background story.
My girlfriend is special. Not just generically lovey mush mush special. She is 1 in 100 more accurately 1 in 10000. She was born with a rare Congenital Heart Defect {CHD}. Called Truncus Arteriosus or TA for sake of brevity. TA's main thing is the two main arteries going into the heart are fused together and never seperated at birth. It's bad news. There is no cure for this kind of thing. Simply repairs that happen over the course of life.
So here is me. Desperately trying to find a way to get the word about this and the 40 other types of CHD out there in the world. I thought. "What if I make a game..." Not based around the medical jargon but on a level people could understand. I spent the better part of the last six years attending appointments with her and still don't get it. What I do get is her Emotional state. How her CHD causes her to think and feel.
So here is the pitch.
The game is about a girl who is diagnosed at birth with a CHD. She is now in her 20's and has to undergo an open heart surgery to repair the defect. The day comes. She goes under but when she wakes up she find herself in a final fantasy style environment. This new world has a darkness cast over it. She is unknowingly the hero of this world and she has to face off with multiple bosses of varied degrees of evil.
Then after beating these bosses she really wakes up from the surgery. Waking up to the realization that the world she saved was herself. And all the bosses were manifestations of her own internal feelings. Depression, anxiety, hopelessness, Denise, desire and so on.
I would sell this game with the caveat that 2/3 of all profits get split between the Adult Congenital Heart Association and Project Heart. As those are the two main organizations that deal heavily with creating standards of care and raising awareness for CHD survivors.
Thoughts?
Note: I am still learning game dev. This is an eventual goal for me.33 -
What is a pointer?
A descriptive and ELI5 answer found on Reddit:
You have a house.
When you’re outside, and you want to go home, you don’t make another house right where you are, because it’s too big for you to carry around or take apart.
So you carry a piece of paper or store on your phone the address of your house. Now you always know exactly how to find your house so that you can go home.
The piece of paper or your phone is a variable.
The variable contains an address (a reference) to your house.
You can make a copy of this piece of paper and hand it out to your friends when you invite them over, instead of building each friend a copy of your house.
You can have an address book filled with pages, where each page is an address (i.e., an array of pointers). Each page you turn (each index you increment) goes to the directly next address-containing variable.
Now if you cut the address book in half along its height, and then attach the lower half behind the upper half, then you have a book with smaller pages but more pages.
You can store phone numbers in this, and even if it’s the same total size, you have double the number of pages and double the number of phone numbers (if you store one number on each page).
Now, since the pointers to home-addresses are different from pointers to phone-numbers, turning the page in an address book (increment pointer by 1) moves forward by one address.
But turning the page in the phone book (incrementing pointer by 1) leads you to the next phone number, even if you technically turned only “half a page”.
That’s how pointer arithmetic works.
Source: https://reddit.com/r/...8 -
Ok something went wrong.
I don't know how this could happen.
🤔 🤔 🤔 🤔 🤔 🤔
I finished a side project.
How could this happen?
🤔 🤔 🤔 🤔 🤔
Ahh I know. It is absolutely useless.13 -
What it's like to be a network engineer...translated into normal people speak
User: I think we are having a major road issue.
Me: What? No, I just checked, the roads are fine. I was actually just on the roads.
User: No, I’m pretty sure the roads are down because I’m not getting pizzas.
Me: Everything else on the roads is fine. What do you mean you aren’t getting pizzas?
User: I used to get pizzas when I ordered them, now I’m not getting them. It has to be a road issue.
Me: As I said, the roads are fine. Where are you getting pizzas from?
User: I’m not really sure. Can you check all places that deliver pizzas?
Me: No I don’t even know all the places that deliver pizza. You need to narrow it down.
User: I think it is Subway.
Me: Okay, I’ll check…No, I just looked and Subway doesn't deliver pizzas.
User: I’m pretty sure it is Subway. Can you just allow all food from Subway and we can see if pizza shows up?
Me: Sigh, fine I’ve allowed all food from Subway, but I don’t think that is the issue.
User: Yeah I’m still not getting pizza. Can you check the roads?
Me: It’s not the roads, the roads are fine. I’m pretty sure Subway isn’t the place.
User: Okay, I found it. It’s Papa Johns.
Me: Okay, I looked and Papa Johns does deliver pizza. Is it the local Papa Johns or one in a different town?
User: I don’t know. Can you allow pizza from all Papa Johns to me?
Me: No I can’t do that. Can you get me an address for Papa Johns?
User: No, I only know it as Papa Johns. Can you get me all the addresses of all Papa Johns and I’ll tell you if one of them is correct?
Me: No, I don’t have time for that. Okay, I looked at the local one and it looks like they have sent you pizza in the past and they are currently allowed to send you pizzas. Try ordering a pizza while I watch.
User: Yeah still no pizza. I’m guessing they are getting blocked at the freeway. Can you check the freeway to make sure they can get through?
Me: No, this is a local delivery. They aren't even using the freeway.
User: Okay, well then it has to be a road issue.
Me: No, the roads are fine. Okay, I just drove from the Papa Johns to the address they have on file for you and there is nothing there.
User: Hmm, wait we did move recently.
Me: Did you give your new address to Papa Johns?
User: No, I just thought they would be able to look me up by name.
Me: No they need your new address. What’s your new address?
User: I’m not really sure. Can you look it up?
Me: Sigh, give me a second…Okay, I found your address and gave it to Papa Johns. Try ordering a pizza now.
User: HEY! PIZZA JUST SHOWED UP!
Me: Okay, good.
User: (To everyone else they know) I apologize for the delay in the pizza but there was a major road issue that was preventing the pizza from getting to me. The network engineer has fixed the roads and we are able to get pizza again.
Me: But it wasn’t the roads…whatever.
User: Oh, can you also check on an issue where Chinese food isn’t getting to me? I think it may be a road issue49 -
*Now that's what I call a Hacker*
MOTHER OF ALL AUTOMATIONS
This seems a long post. but you will definitely +1 the post after reading this.
xxx: OK, so, our build engineer has left for another company. The dude was literally living inside the terminal. You know, that type of a guy who loves Vim, creates diagrams in Dot and writes wiki-posts in Markdown... If something - anything - requires more than 90 seconds of his time, he writes a script to automate that.
xxx: So we're sitting here, looking through his, uhm, "legacy"
xxx: You're gonna love this
xxx: smack-my-bitch-up.sh - sends a text message "late at work" to his wife (apparently). Automatically picks reasons from an array of strings, randomly. Runs inside a cron-job. The job fires if there are active SSH-sessions on the server after 9pm with his login.
xxx: kumar-asshole.sh - scans the inbox for emails from "Kumar" (a DBA at our clients). Looks for keywords like "help", "trouble", "sorry" etc. If keywords are found - the script SSHes into the clients server and rolls back the staging database to the latest backup. Then sends a reply "no worries mate, be careful next time".
xxx: hangover.sh - another cron-job that is set to specific dates. Sends automated emails like "not feeling well/gonna work from home" etc. Adds a random "reason" from another predefined array of strings. Fires if there are no interactive sessions on the server at 8:45am.
xxx: (and the oscar goes to) fuckingcoffee.sh - this one waits exactly 17 seconds (!), then opens an SSH session to our coffee-machine (we had no frikin idea the coffee machine is on the network, runs linux and has SSHD up and running) and sends some weird gibberish to it. Looks binary. Turns out this thing starts brewing a mid-sized half-caf latte and waits another 24 (!) seconds before pouring it into a cup. The timing is exactly how long it takes to walk to the machine from the dudes desk.
xxx: holy sh*t I'm keeping those
Credit: http://bit.ly/1jcTuTT
The bash scripts weren't bogus, you can find his scripts on the this github URL:
https://github.com/narkoz/...56 -
Before an interview prepare a list of questions for them, they expect it!
My list to give inspiration:
Describe your company culture? - if the response is buzzword heavy, avoid.
What’s the oldest technology still in use? - all companies have legacy systems but some are worse than others
Describe your agile process? - a few companies I’ve interviewed with said they are agile but it’s actually kanban
Are developers involved with customers?- if they trust you to talk to customers you can infer trust to do your job ( I’m sure others will disagree)
Describe your development environment?- do they have such a thing as dev, test and prod?
These are the only ones I can remember but should give others a bit of inspiration I hope 😄9 -
Do people really struggle with CSS?
I thought it was just design and ideas but is it actual CSS y’all struggle with?
Not judging. Just asking to be sure31 -
We were talking about harddrives at work when someone was wondering if filling them with helium would make them spin faster... Then imagination took over!
"But helium balloons float, right... So would helium filled hard drives float..? Probably not due to weight but imagine dropping a hard drive and seeing it float towards the ceiling.."
"John, the delivery guy has a box with new harddrives downstairs, could you go get them?
*shouts* John did you get them? Just don't open the box outside!! No, no, NOOO DON'T OPEN IT OUTSIDE! JOHN, THE HARDDRIVES, BE CAREFUL, DON'T OPEN THE BOX OUTSI.....
*harddrives floating by the window into the air*
NOO, JOHN, WHAT DID YOU DO?!
"*walks into the office, harddrives floating against the ceiling* goddammit John, not again"
"John, why are you putting one kilometer long cables on those harddrives?
*John let's them float into the air towards the clouds*
We offer cloud storage!"
(We have a usual office building ceiling)
"John, I need a 1tb harddrive, where are those?
Uhm... C12!
*takes a ladder and walks towards c12 to pluck one from the ceiling*"
😆7 -
Does anyone here listen to game dev related podcasts? If so, which ones?
From me, I can definitely recommend The Debug Log. They've got a lot of energy, knowledge and experience. Also the way they talk makes me feel a lot more motivated.1 -
What is in a web name?
thought i would share
ready?
www.gotahoe.com (go tahoe )
www.speedofart.com (speed of art designers)
www.whorepresents.com (who represents celebrity rep lookup site)
and of finally
www.penisland.com ( pen island yup they sell pens)13 -
I literally spent 3h looking at all the freaking formulas in my pathtracer which was producing the wierdest psychedelic images for no reasons... And then I finally found this... And I want to kill myself...18
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Boss: "Could you join the new DevOps team for a week or two, for some coaching?"
Me: "I'd rather watch you masturbate furiously in a corner of the office while you cry over your ex boyfriend"
Boss: "Yeah... that's why I ask you. You are the only one brave enough to watch"
Me: *Sigh* "But I don't know shit about what DevOps does, I'm a DBA. I've told you the difference a million times. Can't we just douse it in gasoline and set it on fire?"
Boss: "What?"
Me: "Not the team, the servers..."
Boss, imitating Gimli: "And my ex!"
Me: "I get why he left you"
Boss: "It's funny, he was actually better with computers than me, maybe even better than you. He hated me for starting this company, told me I was just chasing money instead of ideals. He just isn't grown up enough to see that there is more to the world than computer games, brewing beer, maker festivals and gay bars, that you need to take responsibility... Maybe it just never works out between managers and geeks..."
Me: "Indeed. The difference in competence is too large"
Boss: "Ugh. You are like straight version of him... but will you at least take a look?"
Me: "Fine, unzip your pants..."
Boss: "No, not that... you need to teach DevOps this docking thing, with the parallel stuff, and the horizontal growth"
Me: "Damn I really hope we're talking about servers now... Do you mean Docker?"
Boss: "That's it. They want to learn how to dock on the Windows servers. They reserved two 4xlarge on AWS. Is that enough for docking?"
Me: ...
Me: ...
Me: "You know what. I'm going back to hug my DB designs, and wash my brain with some queries. Then I'll return here to burn everything to the ground. There is no hope for you left"
Boss: "That's what he said"
Me: "You're using that meme wrong"
Boss: "OK. So what if you just stay on DB management, and I'll just give you the budget to recruit a new DevOps lead and pay for training?"
Me: "That would work"
Boss: "Why are you grinning?"
Me: "Because I have your ex's phone number"18