投稿時間:2023-02-18 14:08:42 RSSフィード2023-02-18 14:00 分まとめ(8件)

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IT	InfoQ	AWS Publishes Reference Architecture and Implementations for Deployment Pipelines	https://www.infoq.com/news/2023/02/aws-deployment-pipelines/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=global	AWS Publishes Reference Architecture and Implementations for Deployment PipelinesAWS recently released a reference architecture and a set of reference implementations for deployment pipelines The recommended architectural patterns are based on best practices and lessons collected at Amazon and customer projects By Renato Losio	2023-02-18 04:29:00
python	Pythonタグが付けられた新着投稿 - Qiita	【Python】オブジェクトの持つメソッドを{メソッド名:メソッド}の辞書型で返す	https://qiita.com/arizeworks/items/9766005395fb1841be08	tdictprinttypeobjtargetob	2023-02-18 13:25:40
海外TECH	DEV Community	Open-Source vs. Proprietary API Development Tools: Why open-source development tools are Better?	https://dev.to/liyasthomas/open-source-vs-proprietary-api-development-tools-why-open-source-development-tools-are-better-akc	Open Source vs Proprietary API Development Tools Why open source development tools are Better API Application Programming Interface development tools are software solutions designed to help developers create manage and integrate APIs into their applications These tools provide a range of functionalities that make it easier for developers to work with APIs such as creating and testing endpoints generating documentation and monitoring performance We re building Hoppscotch an open source API development ecosystem GitHub Web app hoppscotch hoppscotch Open source API development ecosystem API development tools are essential for building and managing APIs They provide a set of functionalities that help developers create test and deploy APIs quickly and efficiently However when it comes to choosing between open source and proprietary API development tools many developers are often confused In this blog post we will discuss why open source development tools are better than proprietary ones What are Open Source API Development Tools Open source API development tools are software tools that are freely available to the public They are developed and maintained by a community of developers who work together to improve the software Open source tools are often used by developers who want to customize the software to meet their specific needs What are Proprietary API Development Tools Proprietary API development tools are software tools that are owned by a company They are developed and maintained by the company that owns them Proprietary tools are often used by developers who want to use a tool that has been specifically designed for their needs Why Open Source Development Tools are Better CostOne of the main advantages of open source development tools is that they are free to use Developers can download use and modify the software without any licensing fees This makes open source tools an attractive option for developers who are working on a tight budget FlexibilityOpen source development tools are highly customizable Developers can modify the software to meet their specific needs This means that developers can add new features fix bugs and improve the software as needed Proprietary tools on the other hand are often limited in terms of customization Community SupportOpen source development tools are developed and maintained by a community of developers This means that developers can get help and support from other developers who are using the same software The community can provide help with bug fixes feature requests and other issues TransparencyOpen source development tools are transparent Developers can see the source code and understand how the software works This means that developers can identify and fix bugs more quickly Proprietary tools on the other hand are often opaque making it difficult for developers to understand how the software works InnovationOpen source development tools are often at the forefront of innovation The community of developers who work on open source tools are often highly motivated to create new and innovative solutions This means that open source tools often have features that are not available in proprietary tools ConclusionOpen source development tools are a better choice for developers who want to build and manage APIs They are free flexible and highly customizable They also have a strong community of developers who provide support and help Open source tools are transparent making it easier for developers to understand and fix bugs Finally open source tools are often at the forefront of innovation providing developers with new and innovative solutions We re building Hoppscotch an open source API development ecosystem GitHub Web app hoppscotch hoppscotch Open source API development ecosystem	2023-02-18 04:21:03
海外TECH	DEV Community	How to Optimize the Performance of Your React Application	https://dev.to/haszankauna/how-to-optimize-the-performance-of-your-react-application-bld	How to Optimize the Performance of Your React ApplicationReact is an incredibly powerful JavaScript library used by developers to build complex user interfaces While React is designed to be fast and efficient there are still ways to optimize its performance further In this article we ll explore some tips and tricks on how to optimize the performance of your React application Use PureComponent and React memoReact provides two built in tools that can help optimize your application s performance PureComponent and React memo These tools work by reducing the number of re renders that occur when state or props change PureComponent is a class component that implements shouldComponentUpdate with a shallow props and state comparison This means that if the props or state don t change the component won t re render class MyComponent extends React PureComponent render return component code here React memo is a higher order component that can be used with functional components to achieve the same result It works by memoizing the component which means it will only re render if its props have changed import React from react const MyComponent React memo props gt return component code here Lazy Load Your ComponentsAnother way to optimize your application s performance is to use lazy loading This means that you only load the components when they are needed rather than loading everything at once This can significantly reduce the initial load time of your application making it faster and more efficient React provides a built in tool for lazy loading called React lazy You can use it to lazily load components that are not immediately needed import React lazy Suspense from react const MyComponent lazy gt import MyComponent const App gt lt div gt lt Suspense fallback lt div gt Loading lt div gt gt lt MyComponent gt lt Suspense gt lt div gt Use MemoizationMemoization is a technique used to optimize performance by caching the results of expensive functions This means that if the function is called with the same arguments it will return the cached result instead of recalculating it React provides a built in tool for memoization called useMemo You can use it to memoize the results of a function that is called frequently import React useMemo from react const MyComponent props gt const result useMemo gt expensive calculation here props return component code here Use Webpack Bundle AnalyzerWebpack Bundle Analyzer is a tool that can help you analyze and optimize your application s performance It generates a visual representation of your application s bundle making it easier to identify which components or modules are taking up the most space To use Webpack Bundle Analyzer you ll need to install it as a dev dependency and run it as part of your build process npm install save dev webpack bundle analyzer webpack config jsconst BundleAnalyzerPlugin require webpack bundle analyzer BundleAnalyzerPlugin module exports plugins new BundleAnalyzerPlugin Avoid unnecessary re rendersOne of the most important performance optimizations you can make in your React application is to avoid unnecessary re renders This means that you only update the parts of the application that have actually changed rather than re rendering the entire component tree To accomplish this you can use the shouldComponentUpdate lifecycle method in class components or React memo in functional components to prevent unnecessary re renders You can also use React s context API to avoid passing props through multiple levels of the component tree Use the React ProfilerThe React Profiler is a built in tool that can help you identify which parts of your application are causing performance issues It provides a detailed breakdown of how much time each component is taking to render and can help you identify areas where you can make improvements To use the React Profiler you ll need to wrap your application in a Profiler component and provide a callback function that logs the measurements import React Profiler from react const onRender id phase actualDuration baseDuration startTime commitTime interactions gt console log ID id actual time actualDuration const App gt lt Profiler id App onRender onRender gt component tree here lt Profiler gt Optimize ImagesImages are often a significant source of performance issues in web applications To optimize the performance of your React application you should ensure that your images are as small and efficient as possible There are several tools available to help you optimize your images including ImageOptim Kraken io and Cloudinary These tools can compress your images and reduce their file size without sacrificing quality ConclusionBy following these you can significantly optimize the performance of your React application From using PureComponent and React memo to lazy loading components memoization and analyzing your bundle with Webpack Bundle Analyzer these strategies can help improve your application s speed and efficiency In summary optimizing the performance of your React application requires a combination of careful planning the right tools and ongoing attention to detail Remember to avoid unnecessary re renders use the React Profiler to identify performance issues and optimize your images to keep your application running smoothly By incorporating these techniques into your development process you can help ensure that your application is running smoothly and providing a great user experience	2023-02-18 04:17:40
海外ニュース	Japan Times latest articles	Iranian chess player Sara Khadem has no regrets despite being in exile over removing hijab	https://www.japantimes.co.jp/sports/2023/02/18/more-sports/sara-khadem-exile-iran/	arrest	2023-02-18 13:00:55
ニュース	BBC News - Home	Treasure definition may be broadened to help museums	https://www.bbc.co.uk/news/entertainment-arts-64677364?at_medium=RSS&at_campaign=KARANGA	definition	2023-02-18 04:50:54
ニュース	BBC News - Home	Tavistock children's gender clinic closure leaves uncertain future	https://www.bbc.co.uk/news/uk-64683917?at_medium=RSS&at_campaign=KARANGA	wales	2023-02-18 04:18:12
ビジネス	プレジデントオンライン	なぜ旅行に行くといつも雨が降るのか…｢私､雨男･雨女だから｣と答えてしまう人が誤解していること - ｢不運な人｣と｢幸運な人｣の決定的な違い	https://president.jp/articles/-/66572	雨男	2023-02-18 14:00:00