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Knuth: The Art of Computer Programming ã®è©± | IIJ Engineers Blog
2002å¹´ã‹ã‚‰ç´„10å¹´ IIJ æŠ€è¡“ç ”ç©¶æ‰€é•·. å¹´ã‚’å–ã£ã¦ã‹ã‚‰ã¯å¤ã„è¨ˆç®—æ©Ÿã‚„æ˜”ã®è¨ˆç®—æ³•ã«èˆˆå‘³ãŒå¢—ã—, ã‚·ãƒŸãƒ¥ãƒ¬ãƒ¼ã‚¿ãƒ¼ã‚’ä½œã£ã¦ãã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’æ›¸ã„ãŸã‚Š. è¿‘é ƒã¯Knuthã®TAOCPã«ã‚ã£ãŸå•é¡Œã®ãƒ—ãƒã‚°ãƒ©ãƒ ãªã©ã«æŒ‘æˆ¦ã—ãŸã‚Šã—ã¦ã„ã‚‹. ã€IIJ 2022 TECHã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼ 12/5ï¼ˆæœˆï¼‰ã®è¨˜äº‹ã§ã™ã€‘ ã‚¯ãƒªã‚¹ãƒžã‚¹ã¨ã„ãˆã°, è‹±å›½çŽ‹ç«‹ç ”ç©¶æ‰€ãŒ1825å¹´ã‹ã‚‰ç¶šã‘ã¦ã„ã‚‹ã€Œã‚¯ãƒªã‚¹ãƒžã‚¹è¬›æ¼”ã€ãŒæœ‰åã§, å²©æ³¢æ–‡åº«ã«ã‚ã‚‹Faradayã®ã€Œãƒã‚¦ã‚½ã‚¯ã®ç§‘å¦ã€ã¯ãã®1860å¹´ã®è¬›æ¼”ã . ãã‚Œã«æ¯”ã¹ã‚Œã°ã¾ã 20å¹´ãã‚‰ã„ã ãŒ, ã‚¹ã‚¿ãƒ³ãƒ•ã‚©ãƒ¼ãƒ‰å¤§å¦ã®Knuthæ•™æŽˆã‚‚æ¯Žå¹´ã€Œã‚¯ãƒªã‚¹ãƒžã‚¹è¬›ç¾©ã€ã‚’ç¶šã‘ã¦ã„ã‚‹. ã—ã‹ã—ä»Šå›žã®ãƒ–ãƒã‚°ã¯ãã®Knuthã«ã‚ˆã‚‹å¤§è‘—, The Art of Computer Programming(ä»¥å¾ŒTAOCP)ãŒè©±é¡Œã§ã‚ã‚‹. ä¸Šæ®µã®å·¦ã®æ¨ªç©ã¿ã¯, è‹±èªžç‰ˆTAOCPã®, ä¸Šã‹ã‚‰ç¬¬1, 2, 3,
yujiorama 2022/12/05
programming
ãƒªãƒ³ã‚¯
GitHub - tomokuni/Myrica: ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ç”¨ãƒ•ã‚©ãƒ³ãƒˆ Myricaï¼ˆãƒŸãƒªã‚«ï¼‰
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yujiorama 2022/11/27
programming
ãƒªãƒ³ã‚¯
D2 Tour | D2 Documentation
D2 is a diagram scripting language that turns text to diagrams. It stands for Declarative Diagramming. Declarative, as in, you describe what you want diagrammed, it generates the image. For example, download the CLI, create a file named input.d2, copy paste the following, run this command, and you get the image below. NETWORKUSERAPI SERVERLOGSCELL TOWERONLINE PORTALDATA PROCESSORSATELLITESTRANSMIT
yujiorama 2022/11/23
ä½œå›³ã®ãŸã‚ã®DSLã¨ç”»åƒç”Ÿæˆå™¨

programming
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Conflict-free replicated data type - Wikipedia
"CRDT" redirects here. For Centenary Rural Development Trust, see Centenary Bank. In distributed computing, a conflict-free replicated data type (CRDT) is a data structure that is replicated across multiple computers in a network, with the following features:[1][2][3][4][5][6][7][8] The application can update any replica independently, concurrently and without coordinating with other replicas. An
yujiorama 2022/11/20
CRDTs

programming
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Lock-free Concurrent Data Structures
yujiorama 2022/11/16
programming
ãƒªãƒ³ã‚¯
PRQL
Pipelined Relational Query Language, pronounced â€œPrequelâ€PRQL is a modern language for transf orming dataâ€” a simple, powerful, pipelined SQL replacement from invoices filter invoice_date >= @1970-01-16 derive { transaction_fees = 0.8, income = total - transaction_fees } filter income > 1 group customer_id ( aggregate { average total, sum_income = sum income, ct = count total, } ) sort {-sum_income}
yujiorama 2022/09/24
programming
ãƒªãƒ³ã‚¯
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yujiorama 2022/09/10
programming

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ã¯ã˜ã‚ã« 2021å¹´1æœˆã«ä»¥ä¸‹ã®ã‚ˆã†ãªè¨˜äº‹ã‚’æ›¸ãã¾ã—ãŸã€‚ å†…å®¹ã¯Vercelç¤¾ã®ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ä¸€ã¤ã§ã‚ã‚‹ãƒ‡ãƒ¼ã‚¿ãƒ•ã‚§ãƒƒãƒãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã‚ã‚‹SWRã®ç´¹ä»‹ã§ã€è¨˜äº‹å†…ã«é–“é•ã„ãªã©ã‚‚ã‚ã£ãŸã«ã‚‚é–¢ã‚ã‚‰ãšãŸãã•ã‚“ã®åéŸ¿ã‚’é ‚ãã¾ã—ãŸã€‚ 2022å¹´åŠã°ã¨ãªã£ãŸä»Šã§ã‚‚ã€Œã„ã„ãã€ã‚’é ‚ã„ã¦ãŠã‚Šã¾ã™ã€‚ ã—ã‹ã—ã€å†…å®¹ã¯2021å¹´å½“æ™‚ã®ã‚‚ã®ã§ã‚ã‚Šã€ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®ä»•æ§˜ãŒå°‘ã—å¤‰æ›´ã¨ãªã£ã¦ãŠã‚Šã¾ã™ã®ã§ã€ç¾åœ¨ã®SWRã®ä»•æ§˜ã«åˆã‚ã›ã¦æ–°ã—ãè¨˜äº‹ã‚’æ›¸ãã“ã¨ã«è‡´ã—ã¾ã—ãŸã€‚ å½“è¨˜äº‹ã®å†…å®¹ã¯ã€ŒSWRã‚’ä½¿ãŠã†ãœã¨ã„ã†è©±ã€ã®ã‚·ãƒŠãƒªã‚ªã«æ²¿ã£ã¦ã®å†æŽ²ã¨è‡´ã—ã¾ã™ã€‚ æœ€å¾Œã¾ã§ã©ã†ãžãŠä»˜ãåˆã„ãã ã•ã„ã€‚ SWRã¨ã¯ãªã«ã‹ SWRã¯ã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆJavaScriptã‹ã‚‰ã®ãƒ‡ãƒ¼ã‚¿å–å¾—ã¨ãã‚Œã«é–¢é€£ã™ã‚‹æ“ä½œã‚’æä¾›ã™ã‚‹React Hooksç¾¤ã§ã™ã€‚ é€šå¸¸ã€Reactã‚’ä½¿ç”¨ã—ã¦APIã‚µãƒ¼ãƒãƒ¼ã‹ã‚‰ã®ãƒ‡ãƒ¼ã‚¿å–å¾—ã‚’éžåŒæœŸã§è¡Œã†å ´åˆã€useEffectã¨fet
yujiorama 2022/09/07
web

programming
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GraphQL Scalars
yujiorama 2022/09/03
web

programming
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GitHub - webpro/awesome-dotfiles: A curated list of dotfiles resources.
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yujiorama 2022/08/30
web

programming
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Rubyã§rescueã—ãŸã‚‰ã‚°ãƒãƒ¼ãƒãƒ«ãªã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ç ´å£Šã—ã¦ãŸã‚ˆã£ã¦è©± - ANDPAD Tech Blog
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yujiorama 2022/08/25
ruby

programming
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yujiorama 2022/08/21
programming
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React/Next.jsã§ã®ä¿ºçš„ãƒ™ã‚¹ãƒˆãƒ—ãƒ©ã‚¯ãƒ†ã‚£ã‚¹ã‚’è¦‹ã¦ãã‚Œ
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yujiorama 2022/08/21
react

programming
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Pythonäº’æ›ã®é™çš„åž‹ä»˜ã‘è¨€èªžã€ŒErgã€
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yujiorama 2022/08/13
programming
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å‚è€ƒ ç›®çš„ ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ä½¿ç”¨ã•ã‚Œã¦ã„ã‚‹ä¸é©åˆ‡ãªuseEffectã‚’æ¸›ã‚‰ã™ æœ¬é¡Œ Reactã®å…¬å¼ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã«useEffectã¯å¿…è¦ãªã„ã‹ã‚‚ã—ã‚Œãªã„ï¼Œã¨ã„ã†ã‚ˆã†ãªãƒšãƒ¼ã‚¸ãŒã‚ã‚Šã¨ã¦ã‚‚å‹‰å¼·ã«ãªã£ãŸã®ã§è¨˜äº‹ã«ã—ã‚ˆã†ã¨æ€ã„ã¾ã—ãŸï¼Ž ãƒ‡ãƒ¼ã‚¿ãƒ•ã‚§ãƒƒãƒãƒ³ã‚° ã‚¢ãƒ—ãƒªã®ãƒ‡ãƒ¼ã‚¿ãƒ•ã‚§ãƒƒãƒãƒ³ã‚°ã‚’useEffectå†…ã§è¡Œã†ã®ã¯ã‚ˆãçŸ¥ã‚‰ã‚Œã¦ã„ã‚‹æ–¹æ³•ã§ã™ï¼Ž Bad ðŸ’£ function SearchResults({ query }) { const [results, setResults] = useState([]); const [page, setPage] = useState(1); useEffect(() => { // ðŸ”´ Avoid: ã‚¯ãƒªãƒ¼ãƒ³ã‚¢ãƒƒãƒ—ãªã—ã§ã®ãƒ•ã‚§ãƒƒãƒãƒ³ã‚° fetchResults(query, page).then(json => { setResults(json); }
yujiorama 2022/08/12
react

programming
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Goã«ãŠã‘ã‚‹åž‹ã«ã‚ˆã£ã¦SQLã‚¤ãƒ³ã‚¸ã‚§ã‚¯ã‚·ãƒ§ãƒ³ã‚’é˜²ãæ–¹æ³•
ã¯ã˜ã‚ã« 2022å¹´ã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ»ã‚ãƒ£ãƒ³ãƒ—å…¨å›½å¤§ä¼šã«è¬›å¸«ã¨ã—ã¦å‚åŠ ã—ã¾ã—ãŸã€‚ãã®éš›ã«ã€Goã«ãŠã‘ã‚‹è„†å¼±æ€§ã¸ã®å¯¾ç–ã¯ã©ã†ãªã£ã¦ã„ã‚‹ã®ã‹èª¿ã¹ã¾ã—ãŸã€‚ã“ã®è¨˜äº‹ã§ã¯ã€github.com/google/go-safeweb/safesqlãŒã©ã®ã‚ˆã†ã«SQLã‚¤ãƒ³ã‚¸ã‚§ã‚¯ã‚·ãƒ§ãƒ³ã‚’é˜²ã„ã§ã‚‹ã®ã‹ã«ã¤ã„ã¦è§£èª¬ã—ã¾ã™ã€‚ ãªãŠã€@rungã•ã‚“ã®æ–‡æ›¸ã‚’å¤šã„ã«å‚è€ƒã«ã—ã¦ãŠã‚Šã¾ã™ã€‚ã¾ãŸã€ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ»ã‚ãƒ£ãƒ³ãƒ—ã§ç”¨ã„ãŸè³‡æ–™ã¯ã“ã¡ã‚‰ã‹ã‚‰é–²è¦§ã§ãã¾ã™ã€‚ SQLã‚¤ãƒ³ã‚¸ã‚§ã‚¯ã‚·ãƒ§ãƒ³ã¨ã¯ï¼Ÿ ç‹¬ç«‹è¡Œæ”¿æ³•äººæƒ…å ±å‡¦ç†æŽ¨é€²æ©Ÿæ§‹ï¼ˆIPAï¼‰ãŒå…¬é–‹ã—ã¦ã„ã‚‹å®‰å…¨ãªã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã®ä½œã‚Šæ–¹ã‚’è¦‹ã‚‹ã¨ã€SQLã‚¤ãƒ³ã‚¸ã‚§ã‚¯ã‚·ãƒ§ãƒ³ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«èª¬æ˜Žã•ã‚Œã¦ã„ã¾ã™ã€‚ ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¨é€£æºã—ãŸã‚¦ã‚§ãƒ–ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®å¤šãã¯ã€åˆ©ç”¨è€…ã‹ã‚‰ã®å…¥åŠ›æƒ…å ±ã‚’åŸºã«SQLæ–‡ï¼ˆãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¸ã®å‘½ä»¤æ–‡ï¼‰ã‚’çµ„ã¿ç«‹ã¦ã¦ã„ã¾ã™ã€‚ã“ã“ã§ã€SQLæ–‡ã®çµ„ã¿ç«‹ã¦æ–¹æ³•ã«å•é¡ŒãŒã‚ã‚‹å ´åˆã€æ”»æ’ƒã«ã‚ˆã£ã¦ãƒ‡ãƒ¼ã‚¿ãƒ™
yujiorama 2022/08/12
golang

programming
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GitHub - Gabriella439/bench: Command-line benchmark tool
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yujiorama 2022/08/12
tool

programming
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GitHub - sharkdp/hyperfine: A command-line benchmarking tool
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yujiorama 2022/08/12
tool

programming
ãƒªãƒ³ã‚¯
12 Fractured Apps
Over the years Iâ€™ve witnessed more and more people discover the 12 Fact0r App manifesto and start implementing many of the suggestions outlined there. This has led to applications that are far easier to deploy and manage. However practical examples of 12 Factor were a rare sight to see in the wild. Once Docker hit the scene the benefits of the 12 Factor App (12FA) really started to shine. For exam
yujiorama 2022/08/09
programming
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GitHub - lancew/Scientist: Perl 5 Scientist - Test new code against old
yujiorama 2022/08/09
programming

perl
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