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名前から既にワクワクするこのAPIは、なんとPromiseを返すsetTimeout、setInterval関数を提供しています！最高です… というわけで今回はそれの紹介です。 基本的な使い方 await setTimeout(1000) ←これができるんです！素晴らしくないですか？？ top-level await や for-awaitと組み合わせるとこんな感じで書けます import { setTimeout } from 'timers/promises'; console.log('start'); await setTimeout(1000); // これでいける！！ console.log('1s passed'); import { setInterval } from 'timers/promises'; console.log('start'); for await (
If you're already somewhat familiar with promises, here are some shortcuts to save you some precious scrolling time. Introduction When writing JavaScript, we often have to deal with tasks that rely on other tasks! Let's say that we want to get an image, compress it, apply a filter, and save it 📸 The very first thing we need to do, is get the image that we want to edit. A getImage function can tak
RFC: First class support for promises and async/await by acdlite · Pull Request #229 · reactjs/rfcs
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Naomi Kawase’s Olympic film promises to be like nothing you’ve ever seen before | CNN
Naomi Kawase is on her phone in the back of a taxi, squeezing in this interview on the way to another shoot. For a director known for her lyrical brand of filmmaking, she talks at a clip; time is pressing, understandable as the days edge closer to the opening of the Tokyo 2020 Olympics. The Japanese auteur, the nation’s most famous female director, is deep into the production of her official film
JSer.info #532 - Node.js 15.12.0がリリースされました。 Node v15.12.0 (Current) | Node.js fsのreadFile/writeFileに対してPromise版のfs.promisesのreadFile/writeFileが遅くなるというIssueがあります。 fs.promises.readFile is 40% slower than fs.readFile · Issue #37583 · nodejs/node Node.js 15.12.0ではこのパフォーマンス問題への改善が含まれています。 fs: improve fsPromises readFile performance by Linkgoron · Pull Request #37608 · nodejs/node fs: improve fsPromises
The world's first laptop to use the RISC-V open source instruction set architecture (ISA) will reportedly start shipping in September. The Roma laptop is available for preorder on Xcalibyte's website, but the site merely takes interested parties' information without providing much detail or any pricing. The laptop will start shipping in September, according to spokespeople from Xcalibyte, which di
typescript-eslint/no-floating-promises.md at main · typescript-eslint/typescript-eslint
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October 3, 2020 Alessandro Segala (@ItalyPaleAle)WebAssembly, or Wasm, is an open standard that allows developers to build apps that run inside a web browser using compiled programming languages. With WebAssembly, it’s possible to write components of web apps in languages such as C/C++, Rust, C#, and Go, among others, which run within the same sandbox as JavaScript. This allows things like porting
AWS SDK for JavaScript v2 のサポート終了が間近に迫っていることが発表されています。AWS SDK for JavaScript v3 に移行することをお勧めします。日付、その他の詳細、移行方法については、リンク先の発表内容を参照してください。 JavaScript Promises の使用 AWS.Request.promise メソッドは、コールバックを使用する代わりに、サービスオペレーションを呼び出して非同期フローを管理する方法を提供します。Node.js とブラウザスクリプトでは、コールバック関数なしでサービスオペレーションが呼び出された場合に AWS.Request オブジェクトが返されます。リクエストの send メソッドを呼び出して、サービスの呼び出しを行うことができます。 ただし、AWS.Request.promise はすぐにサービス呼び出しを開始
Twitter suspends @ElonJet after Musk promises not to ban it
Twitter - X/Tech/Elon MuskTwitter suspends @ElonJet after Musk promises not to ban it Twitter suspends @ElonJet after Musk promises not to ban it / The creator of @ElonJet claimed it had been quietly restricted by Twitter last week; now, the account is banned for real. By Jacob Kastrenakes, a deputy editor who oversees tech and news coverage. Since joining The Verge in 2012, he’s published 5,000+
Complete beginners start here!Getting started with the webGetting started with the webInstalling basic softwareWhat will your website look like?Dealing with filesHTML basicsCSS basicsJavaScript basicsPublishing your websiteHow the web worksHTML — Structuring the webIntroduction to HTMLIntroduction to HTMLGetting started with HTMLWhat's in the head? Metadata in HTMLHTML text fundamentalsCreating hy
LOREN ALLRED × NOBUO UEMATSU conTIKI - No Promises to Keep / THE FIRST TAKE
THE FIRST TAKE is a YouTube Channel dedicated to shooting musicians and singers performing in a single take. Episode 416 showcases the first performance by Loren Allred, who amazed the world with her incredible talents on “Never Enough,” which was featured in the blockbuster musical film The Greatest Showman. She is joined by Nobuo Uematsu, a legendary game music composer known for his contributi
3 most common mistakes in using Promises in JavaScript
Photo by Sebastian Herrmann on UnsplashPromises rule JavaScript. Even nowadays, with introduction of async/await, they are still an obligatory knowledge for any JS developer. But JavaScript differs in how it deals with asynchronicity from other programming languages. Because of that, even developers with a lots of experience can sometimes fall into its traps. I have personally seen great Python or
Terraform v1.x Compatibility Promises | Terraform | HashiCorp Developer
The release of Terraform v1.0 represents an important milestone in the development of the Terraform language and workflow. Terraform v1.0 is a stable platform for describing and managing infrastructure. In this release we're defining a number of Terraform behaviors that we intend to remain compatible with throughout the 1.x releases: A large subset of Terraform language features.A more conservativ
Cleaner JavaScript promises with safe-awaitPublished on 22 May 2024Nested try/catch blocks are a common pattern in JavaScript when working with promises. However, they often lead to hard-to-read and maintain code. To better understand the problem, let's look at an example where we have a series of promises, each relying on the result of the previous one (or if you just want to skip to the solution
Are you using promises and async / await safely in Node.js?
Are you using promises and async / await safely in Node.js? You’re building your Node.js server applications with a framework, and using promises and async / await. Mostly everything’s working well, but it can get confusing at times, especially when you need to handle errors. How do you know if you’re writing your async code correctly? And what happens if you’re not?! Promises and async / await ar
Many bash scripts start out as something quick and dirty but then become so useful that they live for years, indeed sometimes seeing more use than our traditional programs. Now that you can even run bash well under Windows (although, you’ve always been able to run it there if you tried), there are even more opportunities for your five-minute bash script to proliferate. [Maciej] decided he was tire
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⭐️🎀 JavaScript Visualized: Promises & Async/Await
2021-03-23のJS: Node.js 15.12.0(fs.promisesのパフォーマンス改善)、strict CSP、CSS Auditing Tools
Upcoming RISC-V laptop promises free silicon upgrades
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