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A Lean Syntax Primer â€” overreacted
This is my opinionated syntax primer for the Lean programming language. It is far from complete and may contain inaccuracies (Iâ€™m still learning Lean myself) but this is how I wish I was introduced to it, and what I wish was clarified. #Why Lean? This post assumes youâ€™re already eager to learn a bit of Lean. For motivation, I humbly submit to you two takes: one from me and one from its creator. #D
mactkg 2025/09/04
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javascript
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orval
ProductivityGet your API ready out of the box in a few seconds. Prevent human error, and let your parameters, clients and types be auto-generated by Orval. Error boundaryGet your contract! With the combination of Orval and OpenAPI, you have a strong standard for your team, which avoids misunderstandings and lets you focus on your UI. API mockingYou don't have to wait for your backend to be ready,
mactkg 2024/10/06
api

javascript
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JavaScript Frameworks - Heading into 2023
DEV Community Follow A space to discuss and keep up software development and manage your software career
mactkg 2023/01/01
javascript
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GitHub - devforth/painterro: Painterro - JavaScript painting plugin
live demo | npm | GitHub JavaScript painting plugin which allows editing images in a browser. Can be easily integrated into any website or webapp by calling simple initialization code. ðŸ†• Check out our simple and game-changing opensource Vue admin framework with a great look and extensibility! ðŸ™ðŸ™ðŸ™ Scream for help to Ukraine 24 February 2022, Russia started bombing cities with peacefully civiliz
mactkg 2019/10/14
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github

javascript
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Microtasks
Promise ãƒãƒ³ãƒ‰ãƒ© .then/.catch/.finally ã¯å¸¸ã«éžåŒæœŸã§ã™ã€‚ ãŸã¨ãˆ Promise ãŒã™ãã«è§£æ±ºã•ã‚ŒãŸã¨ã—ã¦ã‚‚ã€.then/.catch/.finally ã® ä¸‹ ã«ã‚ã‚‹ã‚³ãƒ¼ãƒ‰ã¯ã“ã‚Œã‚‰ã®ãƒãƒ³ãƒ‰ãƒ©ã®å‰ã«å®Ÿè¡Œã•ã‚Œã¾ã™ã€‚ ãƒ‡ãƒ¢ã§ã™: let promise = Promise.resolve(); promise.then(() => alert("promise done!")); alert("code finished"); // ã“ã®ã‚¢ãƒ©ãƒ¼ãƒˆãŒæœ€åˆã«è¡¨ç¤ºã•ã‚Œã¾ã™ å®Ÿè¡Œã™ã‚‹ã¨ã€code finished ãŒæœ€åˆã«ç¾ã‚Œã€ãã®å¾Œ promise done! ãŒè¡¨ç¤ºã•ã‚Œã¾ã™ã€‚ Promise ã¯æœ€åˆã‹ã‚‰ç¢ºå®Ÿã«çµ‚ã‚ã£ã¦ã„ã‚‹ã®ã§ã€ã“ã‚Œã¯å¥‡å¦™ã§ã™ã€‚ ãªãœ .then ãŒå¾Œã§ãƒˆãƒªã‚¬ãƒ¼ã•ã‚ŒãŸã®ã§ã—ã‚‡ã†ï¼Ÿä½•ãŒãŠãã¦ã„ã‚‹ã®ã§ã—ã‚‡ã†ï¼Ÿ Microtasks ã‚ãƒ¥ãƒ¼éžåŒæœŸã‚¿ã‚¹ã‚¯ã«ã¯é©
mactkg 2019/09/24
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javascript
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A tour of JavaScript timers on the web
1 Sep A tour of JavaScript timers on theÂ web Posted September 1, 2018 by Nolan Lawson in Web. Tagged: javascript, performance. 14 Comments Pop quiz: what is the difference between these JavaScript timers? Promises setTimeout setInterval setImmediate requestAnimationFrame requestIdleCallback More specifically, if you queue up all of these timers at once, do you have any idea which order theyâ€™ll fir
mactkg 2019/09/23
javascript

timer
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JSer ã®ãŸã‚ã®ã‚¿ã‚¹ã‚¯ãƒ©ãƒ³ãƒŠãƒ¼ MEMI - Qiita
TL;DR https://github.com/3846masa/memi JSer ã®ãŸã‚ã®ã‚¿ã‚¹ã‚¯ãƒ©ãƒ³ãƒŠãƒ¼ MEMI ES module ã§ 1ã‚¿ã‚¹ã‚¯ 1Function ã§æ›¸ã‘ã‚‹ ä¾å˜é–¢ä¿‚ã‚’è‡ªå‹•ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ãã‚Œã‚‹ ãªã‚“ã§ä½œã£ãŸã®ã‹ ãã£ã‹ã‘ã¯ mimorisuzuko/memiï¼Ž è¦ç´„ã™ã‚‹ã¨ï¼Œ JavaScript ã§æ›¸ã‘ã‚‹ã‚¿ã‚¹ã‚¯ãƒ©ãƒ³ãƒŠãƒ¼ãŒæ¬²ã—ã„ Makefile ã‚„ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã¯ï¼Œå‡ã£ãŸå‡¦ç†ã‚’æ›¸ãã®ãŒæ€ ã„ ã©ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã§ã‚‚æ‰‹é–“ãªãä½¿ã„ãŸã„ Node.js ã«é–¢ä¿‚ãªã„ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã§ node_modules ã‚„ package.json ã‚’ç½®ããŸããªã„ ã‚¿ã‚¹ã‚¯ã§ä½¿ã†ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã®ã‚°ãƒãƒ¼ãƒãƒ«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¯é¿ã‘ãŸã„ npm root -g ã®å ´æ‰€ã¨ã¯åˆ¥ã®ã¨ã“ã‚ã«ç½®ããŸã„ æ—¢å˜ã®ã‚¿ã‚¹ã‚¯ãƒ©ãƒ³ãƒŠãƒ¼ã¨å•é¡Œç‚¹ Makefile ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§æ›¸ã‹ãªã„ã¨ã„ã‘ãªã„ã®ã§ï¼Œã¡ã‚‡ã£ã¨è¤‡é›‘ãªã“
mactkg 2018/09/13
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GitHub - 3846masa/lit-date: Light-weight, faster datetime formatter for modern browsers.
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mactkg 2018/04/28
javascript
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ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆãƒªãƒ†ãƒ©ãƒ« (ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆæ–‡å—åˆ—) - JavaScript | MDN
This feature is well established and works across many devices and browser versions. Itâ€™s been available across browsers since 2015å¹´9æœˆ. Learn more See full compatibility Report feedback ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆãƒªãƒ†ãƒ©ãƒ«ã¯é€†å¼•ç”¨ç¬¦ (`) ã§åŒºåˆ‡ã‚‰ã‚ŒãŸãƒªãƒ†ãƒ©ãƒ«ã§ã€è¤‡æ•°è¡Œã®æ–‡å—åˆ—ã€åŸ‹ã‚è¾¼ã¿å¼ã«ã‚ˆã‚‹æ–‡å—åˆ—ã®è£œé–“ã€ã‚¿ã‚°ä»˜ããƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã¨å‘¼ã°ã‚Œã‚‹ç‰¹æ®Šãªæ§‹æ–‡ã‚’è¨±å¯ã—ã¾ã™ã€‚ ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆãƒªãƒ†ãƒ©ãƒ«ã¯éžå…¬å¼ã«ã€Œãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆæ–‡å—åˆ—ã€ã¨å‘¼ã°ã‚Œã‚‹ã“ã¨ã‚‚ã‚ã‚Šã¾ã™ã€‚æ–‡å—åˆ—ã®è£œé–“ã®ãŸã‚ã«ã‚‚ã£ã¨ã‚‚ã‚ˆãä½¿ç”¨ã•ã‚Œã‚‹ã‹ã‚‰ã§ã™ã€‚ã—ã‹ã—ã€ã‚¿ã‚°ä»˜ã‘ã•ã‚ŒãŸãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆãƒªãƒ†ãƒ©ãƒ«ãŒæ–‡å—åˆ—ã«ãªã‚‹ã¨ã¯é™ã‚Šã¾ã›ã‚“ã€‚ã‚«ã‚¹ã‚¿ãƒ ã®ã‚¿ã‚°é–¢æ•°ã¨ä½µç”¨ã™ã‚‹ã“ã¨ã§ã€ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆãƒªãƒ†ãƒ©ãƒ«ã®ã•
mactkg 2018/04/28
javascript
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Jest
Jest is a delightful JavaScript Testing Framework with a focus on simplicity.
mactkg 2017/08/04
spec

javascript
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mactkg 2017/05/30
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javascript
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Payment Request API ã®æ¦‚è¦ Â |Â web.dev
Payment Request API ã®æ¦‚è¦ ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ã§ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã‚’æ•´ç† å¿…è¦ã«å¿œã˜ã¦ã€ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã®ä¿å˜ã¨åˆ†é¡žã‚’è¡Œã„ã¾ã™ã€‚ ãŠå®¢æ§˜ãŒã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã§å•†å“ã‚’è³¼å…¥ã—ã‚ˆã†ã¨ã—ãŸå ´åˆã€ã‚µã‚¤ãƒˆã§ã¯ãŠå®¢æ§˜ã«æ”¯æ‰•ã„æƒ…å ±ã®æä¾›ã‚’æ±‚ã‚ã€å¿…è¦ã«å¿œã˜ã¦é…é€æ–¹æ³•ãªã©ã®ãã®ä»–ã®æƒ…å ±ã®æä¾›ã‚’æ±‚ã‚ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ã“ã®å‡¦ç†ã¯ã€Payment Request APIï¼ˆPR APIï¼‰ã‚’ä½¿ç”¨ã™ã‚‹ã¨è¿…é€Ÿã«å®Ÿç¾ã§ãã¾ã™ã€‚ åŸºæœ¬çš„ãªãŠæ”¯æ‰•ã„ã®ä»•çµ„ã¿ PaymentRequest ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’æ§‹ç¯‰ã™ã‚‹ã«ã¯ã€æ”¯æ‰•ã„æ–¹æ³•ã¨æ”¯æ‰•ã„è©³ç´°ã® 2 ã¤ã®ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ãŒå¿…è¦ã§ã™ã€‚ã¾ãŸã€3 ã¤ç›®ã®æ”¯æ‰•ã„ã‚ªãƒ—ã‚·ãƒ§ãƒ³ ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã¯çœç•¥å¯èƒ½ã§ã™ã€‚åŸºæœ¬çš„ãªãƒªã‚¯ã‚¨ã‚¹ãƒˆã¯æ¬¡ã®ã‚ˆã†ã«ä½œæˆã§ãã¾ã™ã€‚ const request = new PaymentRequest(paymentMethods, paymentDetails); å„ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã®ä½œæˆæ–¹æ³•ã¨ä½¿ç”¨
mactkg 2017/05/17
api

javascript

payment

google
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Prepack Â· Partial evaluator for JavaScript
*Prepack is still in an early development stage and not ready for production use just yet. Please try it out, give feedback, and help fix bugs. What does it do? Prepack is a tool that optimizes JavaScript source code: Computations that can be done at compile-time instead of run-time get eliminated. Prepack replaces the global code of a JavaScript bundle with equivalent code that is a simple sequen
mactkg 2017/05/04
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mactkg 2017/04/12
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gui

flux

javascript
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RxJS ã‚’å¦ã¼ã† #2 - ã‚ˆãä½¿ã† ( ã¨æ€ã† ) ã‚ªãƒšãƒ¬ãƒ¼ã‚¿15é¸
RxJS 5.xç³»ã«ã¯ç´„90ã‚‚ã®ã‚ªãƒšãƒ¬ãƒ¼ã‚¿ãŒã‚ã‚Šã¾ã™ãŒ1)4.xç³»ã®é ƒã¯ç´„140ã‚ã£ãŸã®ã§ã€ã“ã‚Œã§ã‚‚ç›¸å½“å°‘ãªããªã£ãŸæ–¹ãªã®ã§ã™â€¦ã€ã„ããªã‚Šãã®å…¨ã¦ã‚’ç¿’å¾—ã™ã‚‹ã®ã¯ç„¡ç†ãŒã‚ã‚Šã¾ã™ã—å¿…ãšã—ã‚‚å…¨ã¦ã‚’çŸ¥ã‚‹å¿…è¦ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚é »ç¹ã«åˆ©ç”¨ã™ã‚‹ã®ã¯ãã®ã†ã¡ã®ã”ãä¸€éƒ¨ã§ã‚ã‚Šã€ã‚ãã¾ã§æ‰€æ„Ÿã§ã™ãŒäºŒåã‚‚è¦šãˆã‚Œã°å¤§æ¦‚ã®ã‚¢ãƒ—ãƒªã¯ä½œã‚Œã‚‹ã“ã¨ã§ã—ã‚‡ã†ã€‚ ä»Šå›žã¯ã„ã¾ç¾åœ¨å®Ÿéš›ã«é–‹ç™ºã—ã¦ã„ã‚‹å¼Šç¤¾ãƒ—ãƒãƒ€ã‚¯ãƒˆã®ã‚³ãƒ¼ãƒ‰ã‹ã‚‰ç‰¹ã«ä½¿ç”¨é »åº¦ã®é«˜ã„ã‚ªãƒšãƒ¬ãƒ¼ã‚¿15å€‹ã‚’ã”ç´¹ä»‹ã—ã¾ã™ã€‚ RxJS/categories.md at master Â· Reactive-Extensions/RxJS rxjs/MIGRATION.md at 5.0.0-beta.0 Â· ReactiveX/rxjs Converting events to Operators Observable.of å¼•æ•°ã«æ¸¡ã•ã‚ŒãŸå€¤ã‚’ãã®ã¾ã¾æµã—ã¦çµ‚äº†ã™ã‚‹ã ã‘ã® Observa
mactkg 2017/03/24
rxjs

rx

javascript
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Inside Bdash
å·¨å¤§ãªãƒ¢ãƒŽãƒªã‚·ãƒƒã‚¯ Rails ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã® ãƒžã‚¤ã‚¯ãƒã‚µãƒ¼ãƒ“ã‚¹åŒ–æˆ¦ç•¥ / 2019 microservices in cookpad
mactkg 2017/03/21
Slide

react

JavaScript
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Rails5.1ã‹ã‚‰å°Žå…¥ã•ã‚Œã‚‹webpacker.gemã¯æœ¬å½“ã«Railsã®ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰é–‹ç™ºã«ç¦éŸ³ã‚’ã‚‚ãŸã‚‰ã™ã®ã‹? - Qiita
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mactkg 2017/02/27
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rails

javascript
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mactkg 2017/02/20
javascript
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Svelte â€¢ The magical disappearing UI framework
Svelte is a UI framework that uses a compiler to let you write breathtakingly concise components that do minimal work in the browser, using languages you already know â€” HTML, CSS and JavaScript. Itâ€™s a love letter to web development. But donâ€™t take our word for it. Developers consistently rank Svelte as the framework theyâ€™re most excited about using.
mactkg 2017/02/02
javascript

library

framework
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Object.assign() - JavaScript | MDN
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mactkg 2016/12/11
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javascript
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