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Sep 19, 2013 12:27
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so i finally wrote my own antialiased line drawer thingy; even though pygame has one already i wanted to do my own just to see if i could. mine is actually better because it can handle non-integer start and end pixel locations (as well as non-integer line width and feather width), which might come in handy for doing really smooth animations or something iunno. it's kind of slow but on the other hand what isn't slow in python now i'm trying to make some sort of game of life knockoff with hexagonal cells so woooo here's some antialiased blue hexagons  i haven't been able to get the CA to do anything particularly interesting yet but once i do i'll render a video of it
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Sep 19, 2013 18:51
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just received a small-business startup grant to build my county's first public electronics shop
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Sep 19, 2013 19:00
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Unless posted:just received a small-business startup grant to build my county's first public electronics shop NICE!!!
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Sep 19, 2013 19:19
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ol qwerty bastard posted:NICE!!!
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Sep 19, 2013 19:23
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ol qwerty bastard posted:NICE!!!
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Sep 19, 2013 19:48
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Unless posted:just received a small-business startup grant to build my county's first public electronics shop the gently caress thats awesome my kickstarter to buy an oscilloscope to help build the yosvape got nixed as a 'fund my life' project ugh
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Sep 19, 2013 19:51
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cistps: requirements for the degree of master of science have been completed i guess i am a master now
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Sep 19, 2013 20:08
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Jonny 290 posted:the gently caress  i budgeted in for a 1052e and tektronix 2225, i'm really excited grant came from my state's small business booster nonprofit Bloody posted:cistps: requirements for the degree of master of science have been completed fuckin' a, congrats! poo poo's relentless
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Sep 19, 2013 20:30
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Jonny 290 posted:the gently caress so on kickstarter you can't sell a product, because it's "donor gifts" but you also can't solicit money without returning "gifts" i'm starting to see how this works
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Sep 19, 2013 21:04
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ol qwerty bastard posted:got kind of bored of my 3d rendering poo poo so i put it aside for now I never seen collatz numbers like this, what exactly are you doing here?
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Sep 19, 2013 21:07
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Symbolic Butt posted:I never seen collatz numbers like this, what exactly are you doing here? ah, it's not really very number-theoric or anything; basically i made the function c(t) which is the number of iterations it takes a number t to collatz to 1, and then i can do things like take c[c(t)] or whatever; i don't remember what the specific rules were that i was using for each picture but something along the lines of red = c[c(x value of pixel) + x value of pixel] green = c[c(y value of pixel) + y value of pixel] blue = c[red + green + x + y] or whatever just messing around really
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Sep 19, 2013 23:15
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oh yeah here's some hexagons doing stuff https://www.youtube.com/watch?v=MQuNf8A3MsA
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Sep 20, 2013 18:18
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cool screensaver
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Sep 22, 2013 02:20
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Been working on a library to do Erlang debugging and inspecting to find problems in live nodes as they run, in ways that are production-safe under pretty much any load: http://ferd.github.io/recon/ I've built it from snippets I'd write in the Erlang shell to let me figure poo poo out, and eventually got a decent enough collection to build a small library. It contains things like being able to do absolute counts of busiest or most memory-consuming in-VM processes, or to do it over a sliding time window. It allows you to do the same over every socket or file descriptor opened, so that you can find big consumers/producers for bandwidth usage, or finding culprits for IO bottlenecks. It does poo poo like finding some cases of uncommon memory leaks and I'm currently working on functions that tell you memory is fragmented, and it lets you do live code loading across clusters. It's absolutely unexciting, but it's making my life much easier at work when you get some weird unexpected behavior 
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Sep 22, 2013 03:23
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yep this is peak not idiot project right here
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Sep 22, 2013 05:13
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hey idiot spare time projectsers i have an idea but that idea is dependent on some very simple OCR/screenreading of a video stream, ideally from a live broadcast source such as youtube/twitch/whatever is this a thing that is doable if so where do i even start i have no idea what im doing thanks in advance
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Sep 26, 2013 02:36
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look into Processing maybe? see if there are libraries for decomposing video streams into individual frames, and for doing OCR; i'd bet there's stuff for that.
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Sep 26, 2013 02:41
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Bloody posted:hey idiot spare time projectsers i have an idea but that idea is dependent on some very simple OCR/screenreading of a video stream, ideally from a live broadcast source such as youtube/twitch/whatever is this a thing that is doable if so where do i even start i have no idea what im doing thanks in advance sure. most stream services have well-documented APIs intended to be used for building apps that embed their streams, and most popular languages have good OCR libraries available. just grab a frame every interval from the stream, feed it into the OCR lib, (hopefully) get a useful string out.
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Sep 26, 2013 02:43
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excellent, excellent. next problem: i want to do database things from a c# app. every previous time ive used a db ive used some sort of orm. i dont know how to write sql more complex than select * from butts where farts = something or whatever. also i really like that orms easily give strongly-typed results. what database should i use (mssql because c#?) and how do i do things as strongly typed as possible?
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Sep 26, 2013 14:14
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use entity framework
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Sep 27, 2013 20:49
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i am now im all like 'oh god how do i properly define my model space' like if a butt has a fart and i might want that fart to know what butt it came from should i stick a butt in that fart and then that fart in a list of farts in that butt and then will this resolve sanely or do i need to deal with denormalization* more intelligently *a word i have heard people use about databases
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Sep 28, 2013 01:29
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If a Butt has one or multiple Farts then every Fart has a ButtID in the database with a foreign key relationship between them. When you model this in EF then in C# a Butt class automatically has a collection of Fart objects in it, and likewise every Fart object has a link to its Butt.
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Sep 28, 2013 02:11
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so if i have like public class Fart { public int FartId { get; set; } public Butt FartOwner { get; set; } } and public class Butt { public int ButtId { get; set; } public string ButtName { get; set; } public List<Fart> Farts { get; set; } } then im a-ok or??
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Sep 28, 2013 02:15
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maybe it should be public int FartOwnerId in fart rather than a whole butt like i feel like that'd make sense for the database but then makes me do more effort to figure out the owning butt
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Sep 28, 2013 02:17
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I haven't done code-first EF but in normal db-first EF when you import that table arrangement then you will get both the FartOwner and the FartOwnerId automatically created for you
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Sep 28, 2013 02:27
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yeah i stay away from relationship modeling in code-first EF, its always turned into a massive pain in the rear end with not enough control for me. what i do instead is just model my entities as standalone objects in the db, and use a repository pattern and sql queries to do what i want. so if you needed to add a Fart to a Butt, the API looks like ButtRepository.AddFart(Fart fart); which just does the needful with the database. if you really want to do the code first thing tho, you can do this: code:Plastic Snake fucked around with this message at 17:48 on Sep 28, 2013 |
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Sep 28, 2013 17:40
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Entity framework looks p dumb. It should be able to looks at your properties at derive the correct schema so you don't have to fart around with ownerids and whatnot.
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Sep 28, 2013 19:20
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it is dumb, that's why I said not to do it that way. much better to use it as a statement mapper.
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Sep 28, 2013 19:29
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Unless posted:just received a small-business startup grant to build my county's first public electronics shop this owns the coolest thing ive done recently is a lot of synths and not much else but i have been trying to start making a homemade 68k based machine for like a year....
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Sep 28, 2013 19:34
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yesterday's idiot spare time project: i fired up the unused foundry furnace in the corner of one of the shops and started recycling our aluminum scrap into ingots. goddamn that thing is awesome. you get it going with the blower running full blast and there's literally a tornado of fire shooting out the top, and everything inside is incandescent fire good man
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Sep 28, 2013 22:10
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Sagebrush posted:yesterday's idiot spare time project: i fired up the unused foundry furnace in the corner of one of the shops and started recycling our aluminum scrap into ingots. goddamn that thing is awesome. you get it going with the blower running full blast and there's literally a tornado of fire shooting out the top, and everything inside is incandescent this is intruiging as gently caress http://www.amazon.ca/Build-Your-Met...=I1ZUC8GEM1UXVX you start off with an aluminium storm door, some sand, an old vacuum cleaner, charcoal, some scrap wood, and gumption
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Sep 28, 2013 22:13
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did someone already post the guy who built a working replica of the apollo guidance computer in his basement? if yes, tough poo poo because here it is anyway http://klabs.org/history/build_agc/ It's a set of pdfs and the pictures are poo poo but it's a good read anyway  
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Sep 29, 2013 10:52
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spankmeister posted:did someone already post the guy who built a working replica of the apollo guidance computer in his basement? would do but  
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Sep 29, 2013 10:54
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i posted this earlier but I was using someone else's markov generator which ended up sucking. just went ahead and wrote my own and significantly increased the amount of source material it's pulling from. its tweets are much better now https://twitter.com/oracl_ebooks edit: it started using the new algo in the past hour if you care about looking at the difference between the two
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Sep 29, 2013 20:38
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MononcQc posted:Been working on a library to do Erlang debugging and inspecting to find problems in live nodes as they run, in ways that are production-safe under pretty much any load: http://ferd.github.io/recon/ code:
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Sep 29, 2013 22:58
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i bought another radio-controlled airplane. everyone around me is getting into quadcopters and flying around in first-person video mode but choppers kind of terrify me tbh. also there's something inelegant about them, whipping the air around and poo poo, instead of working in harmony with it so i got a glider frame to put a camera on and soar around, s'cool
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Oct 3, 2013 05:27
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half of the people buying quadcopters will gently caress up and crash them anyway because its pretty easy to do that
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Oct 3, 2013 05:33
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yah many of them already have. i had a rc helo years ago (like, real helicopter with a main and tail rotor and a cyclic/collective, not a quad or a toy) but i crashed it a bunch and every time i did the blades would gouge big divots out of the ground and it was p. scary. plus that guy in nyc kiled himself with his helicopter recently when it cut off his skull. so im gonna stay away from those i have a little plane already but it's more of a stunt thing that always has to be on the power, like a chopper. i saw some videos of motor-gliders getting up to a couple hundred feet and then shutting off the motor and soaring for 20 minutes and it was super awesome so i'm gonna try that the joys of being high income, single, no kids
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Oct 3, 2013 06:05
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Sagebrush posted:yah many of them already have. i had a rc helo years ago (like, real helicopter with a main and tail rotor and a cyclic/collective, not a quad or a toy) but i crashed it a bunch and every time i did the blades would gouge big divots out of the ground and it was p. scary. plus that guy in nyc kiled himself with his helicopter recently when it cut off his skull. so im gonna stay away from those https://www.youtube.com/watch?v=Oix6sHKzOLU
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Oct 3, 2013 07:05
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