投稿時間:2023-07-22 14:06:35 RSSフィード2023-07-22 14:00 分まとめ(8件)

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IT	ITmedia 総合記事一覧	[ITmedia Mobile] Twitter Blue未加入アカウントのDM、1日当たりの送信数が制限される　その目的は？	https://www.itmedia.co.jp/mobile/articles/2307/22/news066.html	ITmediaMobileTwitterBlue未加入アカウントのDM、日当たりの送信数が制限されるその目的は米Twitterが年月日現地時間、ダイレクトメッセージDMの送信数を制限すると発表した。	2023-07-22 13:30:00
TECH	Techable（テッカブル）	グリーンコープふくおか、丸紅より充電マネージメントシステムを導入。すべての車両のEV化推進へ	https://techable.jp/archives/214571	govan	2023-07-22 04:00:58
python	Pythonタグが付けられた新着投稿 - Qiita	matplotlibで日本語を表示する方法	https://qiita.com/fwzis/items/c4cfee25d2266d10ad4b	matplotlib	2023-07-22 13:44:31
GCP	gcpタグが付けられた新着投稿 - Qiita	cloudFunctionsでChatGPTを用い最新の情報を答えてくれるslackBotを作る	https://qiita.com/ponponnsan/items/247e77e163f076038180	chatgpt	2023-07-22 13:06:35
Azure	Azureタグが付けられた新着投稿 - Qiita	Azure Logic Apps で For each の順番を保証する方法	https://qiita.com/yukima77/items/abc3f1f6a140ecd1e88e	azurelogicapps	2023-07-22 13:17:21
Git	Gitタグが付けられた新着投稿 - Qiita	【初心者殺し】GitHub Flowの基本（OSS開発）をなんとか言語化してみた。	https://qiita.com/yama708-hc/items/0e13fd1417c42fc4f4e2	github	2023-07-22 13:34:38
海外TECH	DEV Community	useEffect() Hook in React: A Comprehensive Guide	https://dev.to/abidullah786/useeffect-hook-in-react-a-comprehensive-guide-1367	useEffect Hook in React A Comprehensive Guide IntroductionThe useEffect hook is a powerful tool in React for handling side effects and lifecycle events in function based components In this article we ll dive deep into the useEffect hook its syntax and various use cases to help you understand and utilize it effectively Explanation of useEffect HookThe useEffect hook allows you to perform side effects in your components such as fetching data subscribing to events or manipulating the DOM It replaces the lifecycle methods of class components and provides a clean and concise way to manage side effects Syntax and UsageThe useEffect hook takes two arguments a callback function and an optional dependencies array The callback function is executed after the component renders and it can return a cleanup function to handle any necessary clean up tasks useEffect gt Side effect logic return gt Cleanup logic dependencies The dependencies array is an optional parameter that allows you to specify which variables the effect depends on If any of the variables in the dependencies array change the effect will re run If the dependencies array is empty the effect will only run once similar to componentDidMount Common Use Cases Fetching Data useEffect gt const fetchData async gt const response await fetch const data await response json setData data fetchData Subscribing to Events useEffect gt const handleResize gt Handle window resize event window addEventListener resize handleResize return gt window removeEventListener resize handleResize Clean up Tasks useEffect gt const timer setTimeout gt Do something after a delay return gt clearTimeout timer Effect Dependencies You can provide a dependencies array to the useEffect hook to control when the effect should re run If any of the variables in the dependencies array change the effect will re run useEffect gt Effect logic dependency dependency Conclusion In this article we explored the useEffect hook in React understanding its syntax and various use cases We learned how to perform side effects handle clean up tasks and control the re running of effects using dependencies The useEffect hook is a powerful tool that empowers function based components with lifecycle functionality and side effect management Remember to consider the dependencies array carefully to optimize your effects and prevent unnecessary re renders With the useEffect hook you can handle side effects efficiently and write cleaner more maintainable code in your React applications If you have any questions or insights related to the useEffect hook feel free to share them in the comments Let s continue exploring the world of React development together Connect with me on Twitter Linkedinand GitHub to stay updated and join the discussion	2023-07-22 04:01:00
ニュース	BBC News - Home	Matty Healy: 1975 show ended in Malaysia after singer attacks anti-LGBT laws	https://www.bbc.co.uk/news/world-asia-66275913?at_medium=RSS&at_campaign=KARANGA	player	2023-07-22 04:25:32