Ask HN: What are some cool but obscure data structures you know about? | Hacker News
I'm very interested in what types of interesting data structures are out there HN. Totally your preference.I'll start: bloom filters. Lets you test if a value is definitely NOT in a list of pre-stored values (or POSSIBLY in a list - with adjustable probability that influences storage of the values.) Good use-case: routing. Say you have a list of 1 million IPs that are black listed. A trivial algor
Wayback Machine
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Home | endoflife.date
End-of-life (EOL) and support information is often hard to track, or very badly presented. endoflife.date documents EOL dates and support lifecycles for various products. endoflife.date aggregates data from various sources and presents it in an understandable and succinct manner. It also makes the data available using an easily accessible API and has iCalendar support. endoflife.date currently tra
Google Sheets function list - Google Docs Editors Help
Google Sheets supports cell formulas typically found in most desktop spreadsheet packages. Functions can be used to create formulas that manipulate data and calculate strings and numbers. Here's a list of all the functions available in each category. When using them, don't forget to add quotation marks around all function components made of alphabetic characters that aren't referring to cells or c
Linux perf Profiler UIs
Linux perf Profiler UIs pprof Web UI looking at a flamechart of regexp stack traces. This post is a quick literature review of CPU profiler user interfaces available for analysing Linux program performance. I couldn't find any list of profiler UIs online. Hopefully this can help people find the profiler UI that's right for them. CPU Profiler output is extremely multidimensional — processes, thread
OSV - Open Source Vulnerabilities
AlmaLinux 2722 View AlmaLinux vulnerabilities Alpine 3398 View Alpine vulnerabilities Android 881 View Android vulnerabilities Bitnami 3898 View Bitnami vulnerabilities crates.io 1348 View crates.io vulnerabilities Debian 9859 View Debian vulnerabilities GIT 32996 View GIT vulnerabilities Go 2151 View Go vulnerabilities Linux 13573 View Linux vulnerabilities Maven 4873 View Maven vulnerabilities n
新人ã®æ–¹ã«ã‚ˆã展開ã—ã¦ã„る有益ãªæƒ…å ± - Qiita
新人ã®æ–¹ã«ã‚ˆã展開ã•ã›ã¦ã„ãŸã ã„ã¦ã„る有益ãªæƒ…å ±ã‚’ã¾ã¨ã‚ã¦ãŠãã¾ã™ã€‚今後も展開ã™ã‚‹ã“ã¨ãŒã‚ã‚‹ã‹ã‚‚ã—ã‚Œãªã„ãŸã‚æƒ…å ±ã‚’ã¾ã¨ã‚ã¦ãŠã‚Šã¾ã™ã€‚ ã‚らãŸãªã€æœ‰ç›Šãªæƒ…å ±ãŒã‚ã‚Šã¾ã—ãŸã‚‰ã€éšæ™‚è¿½åŠ ã—ã¦ã¾ã„ã‚Šã¾ã™ã€‚ 有益ãªè¨˜äº‹ãƒ»è«–文・書ç±ç‰ã‚’執ç†ãƒ»ç´¹ä»‹ã—ã¦ã„ãŸã ã„ãŸçš†æ§˜ã«æ„Ÿè¬ç”³ã—上ã’ã¾ã™ã€‚ ã¡ãªã¿ã«ã€æœ¬è¨˜äº‹ã«è¨˜è¼‰ã•ã‚Œã¦ã„ã‚‹æƒ…å ±ã¯ã€ãŠå›°ã‚Šã”ã¨ãƒ»ãŠæ‚©ã¿ã”ã¨ã‚’ãŠèžãã—ãŸã¨ã・気ã¥ã„ãŸã¨ãã«ã€ãã®ãŠå›°ã‚Šã”ã¨ã«å¯¾ã—ã¦å‚考ã«ãªã‚Šãã†ãªã‚‚ã®ã ã‘を展開ã—ã¦ã„ã¾ã—ãŸã€‚ã“ã®æƒ…å ±ã‚’ä¸€æ°—ã«å±•é–‹ã—ã¦ã„ãŸã‚ã‘ã§ã¯ã”ã–ã„ã¾ã›ã‚“。 コードリーディングã«ã¤ã„㦠[1]ソースコードをèªã‚€ãŸã‚ã®æŠ€è¡“ https://i.loveruby.net/ja/misc/readingcode.html [2]派生開発推進å”è°ä¼š 関西部会 スペックアウトãƒãƒ¼ãƒ ，「派生開発ã«ãŠã‘るスペックアウト手法ã®æ案ã€ï¼Œæ´¾ç”Ÿé–‹ç™ºã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹2015，2015 http
コンパイラã®ã‚³ãƒ¼ãƒ‰æœ€é©åŒ–や解æžæ‰‹æ³•ã®è«–æ–‡ã®ã‚µãƒ¼ãƒ™ã‚¤ - Jicchoã®ç®±
ã“ã®è¨˜äº‹ã§ã¯ï¼Œè‡ªåˆ†ãŒæœ€é©åŒ–コンパイラã®ç ”究をã™ã‚‹ä¸Šã§èªã‚“ã§ããŸè«–文をã¾ã¨ã‚ã¦ã„ã“ã†ã¨æ€ã†ï¼Ž ã¾ã¨ã‚ã‚‹ã“ã¨ã§ï¼Œè‡ªåˆ†ã®ãŸã‚ã«ã‚‚ãªã‚‹ã ã‚ã†ã—，èªã‚“ã 人ã®ãŸã‚ã«ã‚‚ãªã‚ŒãŸã‚‰å¬‰ã—ã„． 以下，éšæ™‚更新． 部分冗長除去法(Partial Redundancy Elimination, PRE) 部分無用コード除去 (Partial Dead Code Elimination, PDE) スカラ置æ›(Scalar Replacement) レジスタ促進(Register Promotion) 質å•ä¼æ’(Question Propagation) 演算å強度低減(Strength Reduction) ループ最é©åŒ–(Loop Optimization) 手続ã間最é©åŒ–(Inter-procedural Optimization) 解æžç³» å‚è€ƒæ›¸ç± éƒ¨åˆ†å†—é•·é™¤åŽ»æ³•(Partial Redundancy Elim
本日12月1日よりã€2017å¹´ã®æŠ€è¡“ç³»Advent CalendarãŒå„所ã§ã¯ã˜ã¾ã‚‹ | gihyo.jp
本日12月1日よりã€ãƒ—ãƒã‚°ãƒ©ãƒžã‚„エンジニアã€ä¼æ¥ã€å¦ç”Ÿã€å›£ä½“ãªã©ã®æœ‰å¿—ã«ã‚ˆã‚‹2017å¹´ã®æŠ€è¡“ç³»Advent Calendar（アドベントカレンダー）ãŒå„所ã§ã¯ã˜ã¾ã‚Šã€ä¸€æ—¥ç›®ã‚’担当ã™ã‚‹äººã®è¨˜äº‹ãŒå…¬é–‹ã•ã‚Œã¦ãã¦ã„る。 一般的ãªAdvent Calendarã¯ã‚¯ãƒªã‚¹ãƒžã‚¹ã‚’楽ã—ã¿ã«å¾…ã¤ãŸã‚ã«ã€12月1æ—¥ã‹ã‚‰24æ—¥ã¾ã§ã®æ—¥ä»˜éƒ¨åˆ†ãŒæ‰‰ãªã©ã«ãªã£ã¦ã„ã¦é–‹ãã“ã¨ãŒã§ãるカレンダーを指ã™ã€‚ãã—ã¦1æ—¥ãšã¤ãã®æ—¥ã®æ—¥ä»˜ã®éƒ¨åˆ†ã‚’é–‹ãã¨ã€å¤©ä½¿ã‚„動物ã®çµµãªã©ãŒè¦‹ãˆã‚‹ã¨ã„ã†ä»•çµ„ã¿ã«ãªã£ã¦ã„る（様々ãªãƒãƒªã‚¨ãƒ¼ã‚·ãƒ§ãƒ³ãŒã‚る）â 。 ã“ã‚Œã«ç™ºæƒ³ã‚’ãˆã¦ã€æŠ€è¡“ç³»Advent Calendarã§ã¯ã€12月1æ—¥ã‹ã‚‰25æ—¥ã¾ã§ã®25日間ã€ç‰¹å®šã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžç¸›ã‚Šãªã©ã®ç·©ã‚„ã‹ãªãƒ«ãƒ¼ãƒ«ã§ã€æ¯Žæ—¥åˆ¥ã®äººï¼ˆæ—¥ä»˜ã‚’埋ã‚ã‚‹ãŸã‚ã«åŒã˜äººãŒè¤‡æ•°å›žæ‹…当ã™ã‚‹ã“ã¨ã‚‚ã‚る）ãŒè‡ªåˆ†ã®blogç‰ã«ã¦è¨˜äº‹ã‚’書ãã¨ã„ã†ã®ãŒåŸºæœ¬çš„ãªå½¢ã«ãªã£ã¦ã„る（特è¨ã‚µã‚¤ãƒˆã‚’用æ„ã—ã¦
Dive into BPF: a list of reading material
What is BPF? Dive into the bytecode Resources Generic presentations About BPF About XDP About other components related or based on eBPF Documentation About BPF About tc About XDP About flow dissectors About P4 and BPF Tutorials Examples From the kernel From package iproute2 From bcc set of tools Other examples Manual pages The code BPF code in the kernel XDP hooks code BPF logic in bcc Code to man
2016å¹´Chainerアドベントカレンダーã®ã¾ã¨ã‚ - Preferred Networks Research & Development
2016å¹´12月1日〜12月25æ—¥ã®é–“ã€Chainerアドベントカレンダー2016ãŒQiita上ã§é–‹å‚¬ã•ã‚Œã¾ã—ãŸã€‚記事をã”投稿下ã•ã£ãŸçš†æ§˜ã€ã©ã†ã‚‚ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚皆様ã®ãŠã‹ã’ã§ç„¡äº‹å…¨ã¦ã®ã‚¹ãƒãƒƒãƒˆãŒåŸ‹ã¾ã‚Šã¾ã—ãŸã€‚ã“ã®è¨˜äº‹ã§ã¯ã€ã©ã®ã‚ˆã†ãªæŠ•ç¨¿ãŒé›†ã¾ã£ãŸã‹ã‚’ç°¡å˜ã«åˆ†é‡Žåˆ¥ã«ã¾ã¨ã‚ã¾ã—ãŸã€‚ botã«æŒã£ã¦ã„ã‹ã‚Œã‚„ã™ã„記事ã®å†’é ã‚’é¿ã‘ã€ã“ã“ã§çªç„¶è‡ªå·±ç´¹ä»‹ã‚’ã¯ã•ã¿ã¾ã™ã€‚åˆã‚ã¾ã—ã¦ã€é½‹è—¤ä¿Šå¤ªã¨ç”³ã—ã¾ã™ã€‚å°‚é–€ã¯Computer Visionã§ã€æ˜¨å¹´9月ã«Preferred Networksã«å…¥ç¤¾ã—ã¾ã—ãŸã€‚ç¾åœ¨ã¯å¿œç”¨ã‚’ä¸å¿ƒã¨ã—ãŸç ”究ãŠã‚ˆã³ã€Chainerã®é–‹ç™ºãƒ»æ™®åŠã¨ã„ã£ãŸã“ã¨ã«å–り組んã§ã„ã¾ã™ã€‚ For English speakers, there is a summarization of all articles by corochann: English summary of “Chaine
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