投稿時間:2023-08-04 12:17:10 RSSフィード2023-08-04 12:00 分まとめ(20件)

カテゴリー等	サイト名等	記事タイトル・トレンドワード等	リンクURL	頻出ワード・要約等/検索ボリューム	登録日
ROBOT	ロボスタ	可愛い離れわざロボット「村田製作所チアリーディング部」が子ども向け科学体験施設の横浜「mulabo!」でパフォーマンス披露へ	https://robotstart.info/2023/08/04/murata-cheerleadingbu-performance.html		2023-08-04 02:49:53
IT	ITmedia 総合記事一覧	[ITmedia News] IBMとNASA、地球の衛星画像分析用AI基盤モデル「Prithvi」をHugging Faceでオープンソース化	https://www.itmedia.co.jp/news/articles/2308/04/news111.html	huggingface	2023-08-04 11:22:00
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] SUBARU、新型SUV「LEVORG LAYBACK」先行公開　LEVORGのSUVモデルで、今秋発売	https://www.itmedia.co.jp/business/articles/2308/04/news107.html	itmedia	2023-08-04 11:22:00
TECH	Techable（テッカブル）	【約600棟を徹底調査】オフィスビルのトレンドと街の未来が見えてくる！オフィス坪単価マップ [2023年度 首都圏版]	https://techable.jp/archives/216470	株式会社	2023-08-04 02:36:14
python	Pythonタグが付けられた新着投稿 - Qiita	Vector Database まとめ	https://qiita.com/y-mrkm/items/f49cabe1b007bfd65baf	vectordatabase	2023-08-04 11:32:05
js	JavaScriptタグが付けられた新着投稿 - Qiita	GoogleColaboratoryはjavascript、htmlも使用できる	https://qiita.com/76r6qo698/items/ca50ff60f780c949f77a	googlecolaboratory	2023-08-04 11:47:23
AWS	AWSタグが付けられた新着投稿 - Qiita	[AWS] SCPでできること	https://qiita.com/Keennak/items/c79ed381eef6eca4a1cb	princi	2023-08-04 11:13:55
Docker	dockerタグが付けられた新着投稿 - Qiita	WSL2 Docker Desktop 環境でDockerデーモンが存在しないエラー Cannot connect to the Docker daemon at unix:///var/run/docker.sock	https://qiita.com/ucan-lab/items/62c3ce7ecfc475ccd1a8	kerrunhelloworldcannotco	2023-08-04 11:51:05
Azure	Azureタグが付けられた新着投稿 - Qiita	SAP on Azure デプロイ自動化フレームワークをいろいろ触ってみた	https://qiita.com/R3ne7/items/7ec823967bf525d9f667	saponazure	2023-08-04 11:47:20
Azure	Azureタグが付けられた新着投稿 - Qiita	【Azure Cognitive Search】スキルセットの設定にめちゃくちゃハマったのでメモ	https://qiita.com/reiku19753/items/bb94efaa5fca5b9e1215	azurecognitivesearch	2023-08-04 11:02:03
海外TECH	DEV Community	Preparing for Success: Top REACT Interview Questions	https://dev.to/abidullah786/preparing-for-success-top-react-interview-questions-1la4	Preparing for Success Top REACT Interview QuestionsThis blog is originally published on my Blog website where you can find the full version with detailed insights and examples Click the link below to read the complete article and explore more tech related content Click Here IntroductionReact has become one of the most popular front end libraries for building dynamic and interactive user interfaces Aspiring React developers should prepare themselves with a strong understanding of its core concepts and best practices In this article we will delve into the top React interview questions that you must be familiar with to ace your interviews confidently Let s explore each question in detail and equip you with the knowledge you need to succeed What is Lifting State Up in React Lifting State Up is a fundamental concept in React that involves moving the state from a child component to its parent component This allows data to be shared and managed efficiently between components By lifting state up you can avoid data duplication and keep the application s state in sync across components What is React context React context is an advanced feature that enables data to be passed down the component tree without the need for explicit prop drilling It allows you to create a global state that can be accessed by multiple components making it an effective solution for sharing data in complex component hierarchies What are different ways to add CSS in your app React provides several ways to add CSS styles to your application You can use regular CSS files inline styles with the style attribute or CSS in JS libraries like Styled Components or Emotion Each method has its advantages and is suitable for different scenarios What is Hot Module Replacement Hot Module Replacement HMR is a powerful development feature in React that allows you to see changes in the application without refreshing the entire page It helps speed up the development process and improves developer productivity What is the use of Parcel Vite Webpack Parcel Vite and Webpack are all popular bundlers used in React projects They help bundle and optimize the application s code assets and dependencies for production Each bundler comes with its unique features and performance optimizations How does create react app work Create React App is a tool developed by Facebook that provides a pre configured environment for building React applications It abstracts away complex configurations and allows developers to focus on writing code What is Tree Shaking Tree shaking is an optimization technique used in modern JavaScript bundlers like Webpack It helps eliminate unused code during the build process reducing the final bundle size and improving application performance Difference between dependency and devDependencyIn a package json file dependencies are packages required for the application to run correctly while devDependencies are packages required only during development such as testing libraries and build tools What is npx and npm npx is a package runner tool that comes bundled with npm It allows you to run packages without installing them globally Npm on the other hand is the Node js package manager used to install and manage dependencies for a project Difference between package json and package lock jsonpackage json stores the project s metadata and lists the dependencies while package lock json is generated by npm and contains specific versions of dependencies to ensure consistent installations across different environments Difference between console log and console log HeaderComponent console log displays a message or variable in the browser console while console log HeaderComponent logs the result of the HeaderComponent function displaying the component object What is React Fragment React Fragment is a built in component that allows you to group multiple elements without adding an extra node to the DOM It helps improve the component s structure while maintaining clean HTML output What is the purpose of the dependency array in useEffect What is the difference when it is used and when it is not used The dependency array in useEffect specifies the dependencies that trigger the effect s callback when they change When the dependency array is not provided the effect runs after every render Using the dependency array ensures that the effect is only executed when specific dependencies change What if components are given will the state change in one component affect the other component s state child No React follows a unidirectional data flow State changes in one component do not directly affect the state of another component even if they are parent child components However you can pass data and state changes as props to update child components What is the use of return in useEffect The return statement in useEffect is used to clean up the effect when the component unmounts or when the effect dependencies change It performs the cleanup action such as unsubscribing from subscriptions or removing event listeners Difference between client side routing and server side routing Client side routing is handled on the client side and the URL changes do not trigger a full page reload Instead React updates the UI based on the new URL providing a smooth user experience Server side routing involves the server processing each URL request and sending back a new HTML page resulting in slower page transitions Explain the concept of code splitting and its benefits in React Code splitting is a technique that breaks the application s code into smaller chunks and loads them only when needed This helps reduce the initial load time of the application and improves performance especially for larger projects How does React handle routing and navigation React does not have built in routing capabilities Developers often use third party libraries like React Router to handle routing and navigation within the application allowing users to navigate between different views and components What are higher order components HOC in React Higher order components are functions that take a component as input and return a new enhanced component They are used to share logic and behavior between multiple components promoting code reusability What are controlled and uncontrolled components Controlled components are components whose form elements are controlled by React state meaning that the form values are managed and updated by React In contrast uncontrolled components allow form elements to maintain their own state without relying on React state management Controlled components provide more control over form data while uncontrolled components are useful for handling simple forms with minimal validation needs Explain the concept of reconciliation in React Reconciliation is a core process in React that efficiently updates the DOM by comparing the previous and current virtual DOM representations It determines the minimum changes required to synchronize the UI with the underlying data changes React s reconciliation algorithm optimizes rendering performance by updating only the changed elements resulting in faster and smoother user interactions ConclusionCongratulations You have explored the top React interview questions and gained valuable insights into essential concepts best practices and optimizations Being well prepared with these questions will boost your confidence and make you stand out in React interviews Remember to understand React s core principles such as state management context and component lifecycles and practice implementing them in real world scenarios Armed with this knowledge you are now ready to excel in your React development journey and ace your interviews with ease Happy coding	2023-08-04 02:20:00
Apple	AppleInsider - Frontpage News	Microsoft dumps Cortana leaving Siri as one of the last smart assistants	https://appleinsider.com/articles/23/08/04/microsoft-dumps-cortana-leaving-siri-as-one-of-the-last-smart-assistants?utm_medium=rss	Microsoft dumps Cortana leaving Siri as one of the last smart assistantsSiri appears to be the last smart assistant standing as Microsoft quietly sunsets Cortana in Windows but this may be a meaningless victory given the rise of AI based chatbots Microsoft makes room for Bing ChatCortana s death has been a long time coming Microsoft began removing support for Cortana on mobile in and is now killing it off on Windows as well Read more	2023-08-04 02:53:04
ニュース	BBC News - Home	Donald Trump pleads not guilty to election charges in latest arraignment	https://www.bbc.co.uk/news/world-us-canada-66400315?at_medium=RSS&at_campaign=KARANGA	opponent	2023-08-04 02:27:29
ニュース	BBC News - Home	NHS to expand use of private sector to tackle waits	https://www.bbc.co.uk/news/health-66319064?at_medium=RSS&at_campaign=KARANGA	labour	2023-08-04 02:29:29
ニュース	BBC News - Home	Canadian province Alberta cancels bid for 2030 Commonwealth Games	https://www.bbc.co.uk/news/world-us-canada-66402140?at_medium=RSS&at_campaign=KARANGA	victoria	2023-08-04 02:04:44
ビジネス	東洋経済オンライン	名前が｢エレガンス｣ゲイの黒人監督の壮絶な半生 米国で人気作を続々生み出す｢A24｣の注目作 | 映画・音楽 | 東洋経済オンライン	https://toyokeizai.net/articles/-/692007?utm_source=rss&utm_medium=http&utm_campaign=link_back	東洋経済オンライン	2023-08-04 11:30:00
ニュース	Newsweek	「老い」を感じる21年目の『バチェラー』...何年たっても「本物の愛」が見つからない、リアリティー番組「先駆者の宿命」とは？	https://www.newsweekjapan.jp/stories/culture/2023/08/post-102344.php	主役の性格や経歴に魅力がないと番組は安っぽくなり、ロマンチックで本物の愛を求めてゴールに向かうというリアリティーが失われ、今やテレビ界にあふれているチープなリアリティー番組と同類になってしまう」リアリティー番組間の競争が熾烈になり、『バチェラー』の優位性が失われたという事情もある。	2023-08-04 11:20:58
IT	週刊アスキー	リキテンスタイン「Girl」とスプレー缶をオマージュしたSwatchを衝動買い	https://weekly.ascii.jp/elem/000/004/147/4147950/	衝動買い	2023-08-04 11:30:00
マーケティング	AdverTimes	井上庸子・色部義昭・北川一成・Sandy Choiによるグラフィックデザインの小品展	https://www.advertimes.com/20230804/article429646/	sandychoi	2023-08-04 02:30:28
マーケティング	AdverTimes	こんなビジネス用語はイヤだ！〜『言葉ダイエット』橋口幸生	https://www.advertimes.com/20230804/article429120/	就職活動	2023-08-04 02:24:56