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旧石器時代ã®ãƒã‚¤ãƒ³ã‚¿ã‚’ã”利用ã®çš†æ§˜ã¸ ～provenance入門～ - Qiita
ç¾ä»£ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã§ã¯ãƒã‚¤ãƒ³ã‚¿ã¯å˜ãªã‚‹ã‚¢ãƒ‰ãƒ¬ã‚¹ã§ã¯ãªã，provenanceã‚’ä¼´ã£ãŸå‚ç…§ã¨ã—ã¦æ‰±ã‚ã‚Œã¦ã„ã¾ã™ï¼Ž 世界ã¯æ—¢ã«å¤‰ã‚ã£ã¦ã„ã¾ã™ï¼Ž æ¦‚è¦ ãƒã‚¤ãƒ³ã‚¿ã¯å˜ãªã‚‹ã‚¢ãƒ‰ãƒ¬ã‚¹ã§ã¯ã‚ã‚Šã¾ã›ã‚“． ãƒã‚¤ãƒ³ã‚¿ã«ã¯provenanceã¨ã„ã†ï¼Œã©ã®ã‚ªãƒ–ジェクト由æ¥ã‹ã®æƒ…å ±ãŒå«ã¾ã‚Œã¦ã„ã¾ã™ï¼Ž Provenanceを使ã†ã“ã¨ã§ï¼Œæœ€é©åŒ–ãŒåŠ¹ãã‚„ã™ããªã£ãŸã‚Šï¼Œå …牢ãªãƒ—ãƒã‚°ãƒ©ãƒ を書ãã‚„ã™ããªã£ãŸã‚Šã—ã¾ã™ï¼Ž 追記: 次ã®è‹±èªžè¨˜äº‹ã‚’èªã‚€ã¨provenanceãŒå¿…è¦ãªç†ç”±ã«ã¤ã„ã¦ã‚‚ã£ã¨ã‚ˆã知るã“ã¨ãŒã§ãã¾ã™ï¼Žã‚¯ãƒªãƒƒã‚¯ã—よã†ï¼ï¼ï¼ï¼(2020-12-15) https://www.ralfj.de/blog/2020/12/14/provenance.html ãƒã‚¤ãƒ³ã‚¿ã¯ã‚¢ãƒ‰ãƒ¬ã‚¹ã§ã¯ãªã„ 次ã®Cプãƒã‚°ãƒ©ãƒ を見ã¦ã¿ã¾ã—ょã†ï¼Ž #include <stdio.h> #include <string.h> int main
6 ways to manage allocated memory in Haskell
In this article, I will explore different ways to track all the allocated pointers and free them reliably. The complete code can be downloaded as a git repo: git clone https://ro-che.info/files/2017-08-06-manage-allocated-memory-haskell.git The modules below use the hsc2hs preprocessor; it replaces things like #{peek ...}, #{poke ...}, and #{size ...} with Haskell code. Way 1: traverse the structu
Writing a damn fast hash table with tiny memory footprints - Carpe diem (Felix's blog)
Hash table is probably the most commonly used data structure in software industry. Most implementations focus on its speed instead of memory usage, yet small memory footprint has significant impact on large in-memory tables and database hash indexes. In this post, Iâ€ll provide a step by step guide for writing a modern hash table that optimize for both speed and memory efficiency. I’ll also give so
第58回　Cã®é…列をHaskellã§åˆ©ç”¨ã™ã‚‹
Haskellã§ã¯ã€ãƒªã‚¹ãƒˆã‚„é…列ã¨ã„ã£ãŸãƒ‡ãƒ¼ã‚¿æ§‹é€ ã«å¯¾ã™ã‚‹å‡¦ç†ã‚’高速化ã™ã‚‹ãŸã‚ã«æ§˜ã€…ãªè©¦ã¿ãŒè¡Œã‚ã‚Œã¦ã„ã¾ã™ã€‚ã—ã‹ã—ã€æ®‹å¿µãªãŒã‚‰ç¾åœ¨ã®Haskell処ç†ç³»ã‚„ライブラリã®å®Ÿè£…ã«ã¯æ€§èƒ½é¢ã§ã¾ã ã¾ã 課題ãŒã‚ã‚Šã¾ã™ï¼ˆå‚考リンク1ã€å‚考リンク2）。Cã®é…列をHaskellã§ç›´æŽ¥åˆ©ç”¨ã™ã‚‹ã‚ˆã†ã«ã™ã‚Œã°ã€æ€§èƒ½ã®å‘上を期待ã§ãã¾ã™ã€‚ Cã§æ›¸ã‹ã‚ŒãŸOSやライブラリã®APIã«ã¯ã€Cã®é…列（ãŠã‚ˆã³ãã†ã—ãŸé…列を扱ã†Cã®é–¢æ•°ï¼‰ã‚’引数ã«å–ã‚‹ã‚‚ã®ã‚‚ã‚ã‚Šã¾ã™ã€‚Haskellã®FFIを利用ã™ã‚Œã°ã€Haskellã‹ã‚‰Cã®é…列を利用ã§ãã¾ã™ã€‚今回ã¯ã€ãã®æ–¹æ³•ã‚’紹介ã—ã¾ã—ょã†ã€‚ Cã®é…列を利用ã™ã‚‹æ–¹æ³• 第22回ã§èª¬æ˜Žã—ãŸã‚ˆã†ã«ã€Haskellã®FFIã§ã¯Cã®ãƒã‚¤ãƒ³ã‚¿ã‚’Ptråž‹ã§è¡¨ç¾ã—ã¾ã™ã€‚Cã§ã¯ãƒã‚¤ãƒ³ã‚¿ã‚’使ã£ã¦é…列をå‚ç…§ã™ã‚‹ã®ã§ã€Ptr型を使ãˆã°Haskellã§Cã®é…列を利用ã§ãã¾ã™ã€‚ ãŸã ã—ã€ãƒã‚¤ãƒ³ã‚¿ã‚’æ“作ã™ã‚‹Storableク
Complex types with Rust’s FFI
When I wrote about calling Rust functions from Unity3D , it was my first time working with a foreign function interface (FFI) and there was a lot I didn’t understand beyond calling simple functions with primitives. How do I call methods? How do I pass arrays? How do I pass structs back and forth? Here’s what I’ve come up with… Note that all of the examples below use Node.js. The principles are the
2016å¹´ã€C言語ã¯ã©ã†æ›¸ãã¹ãã‹ (å‰ç·¨) | POSTD
(訳注：2016/3/2ã€ã„ãŸã ã„ãŸç¿»è¨³ãƒ•ã‚£ãƒ¼ãƒ‰ãƒãƒƒã‚¯ã‚’ã‚‚ã¨ã«è¨˜äº‹ã‚’ä¿®æ£ã„ãŸã—ã¾ã—ãŸã€‚) (訳注：著者ã®Mattよりã€ã€Œæœ¬æ–‡ä¸ã§æ˜Žè¨€ã¯ã—ã¦ã„ãªã„ãŒã€ã“ã®è¨˜äº‹ã®å†…容ã¯x86-64 Unix/Linux/POSIXã§ã‚¢ãƒ—リケーションをプãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã™ã‚‹å ´åˆã«ãƒ•ã‚©ãƒ¼ã‚«ã‚¹ã—ã¦ã„る。他ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°é ˜åŸŸã§ã¯ã€å¯¾è±¡ã¨ã™ã‚‹ã‚·ã‚¹ãƒ†ãƒ ã«å¿œã˜ãŸ(例： 8-bitã®çµ„ã¿è¾¼ã¿ã‚·ã‚¹ãƒ†ãƒ ã€10å¹´å‰ã®ã‚³ãƒ³ãƒ‘イラã€å¤šãã®ç•°ãªã‚‹CPUアーã‚テクãƒãƒ£ã§å‹•ãå¿…è¦ã®ã‚るアプリケーションã€Win/Linuxã§ã®ãƒ“ルド互æ›æ€§ãªã©)特有ã®ã‚¢ãƒ‰ãƒã‚¤ã‚¹ãŒå¿…è¦ã€ã¨ã®è£œè¶³ã‚’é ‚ã„ã¦ãŠã‚Šã¾ã™ã€‚) 以下ã®æ–‡ç« ã¯2015å¹´ã®å§‹ã‚ã«æ›¸ã„ãŸãƒ‰ãƒ©ãƒ•ãƒˆã§ã€ä»Šã¾ã§å…¬é–‹ã—ã¦ã„ã¾ã›ã‚“ã§ã—ãŸã€‚ç§ã®ãƒ‰ãƒ©ãƒ•ãƒˆç”¨ãƒ•ã‚©ãƒ«ãƒ€ã®ä¸ã§èª°ã®ç›®ã‚‚引ã‹ãªã‹ã£ãŸãŸã‚ã€å¤§éƒ¨åˆ†ãŒæ›¸ã„ãŸæ™‚ã®ã¾ã¾ã§ã™ã€‚公開ã™ã‚‹ã«ã‚ãŸã‚Šã€å˜ç´”ã«2015å¹´ã‚’2016å¹´ã«å¤‰æ›´ã—ã¾ã—ãŸã€‚ å¿…è¦ãªä¿®æ£ã€æ”¹å–„ã€è‹¦æƒ…ãŒã‚ã‚Š
GitHub - Keith-S-Thompson/how-to-c-response: A critique of "How to C in 2016"
Matt (whose web site does not mention his last name as far as I can tell) has written an article "How to C in 2016". It's been linked to from Reddit and from Hacker News; the latter is where I saw it. Update: Matt has been kind enough to add a link to this critique to his article. Update: A couple of people have found Matt's last name from other sites, but since he didn't choose to include it in h
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https://www.hi-matic.org/diary/?20181121
OPIC: Object Persistence In C (Beta)
GitHub - jameysharp/corrode: C to Rust translator
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