投稿時間:2023-02-10 07:15:08 RSSフィード2023-02-10 07:00 分まとめ(15件)

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IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] 「中国依存リスク」鮮明に　インバウンド急回復の裏で、クレカ決済データから分かること	https://www.itmedia.co.jp/business/articles/2302/10/news042.html	itmedia	2023-02-10 06:30:00
IT	ビジネス+IT 最新ニュース	ソニーとホンダの「AFEELA」実現に暗雲？ EV技術開発での「ある変化」とは	https://www.sbbit.jp/article/cont1/106585?ref=rss		2023-02-10 06:10:00
AWS	AWS Media Blog	Create personalized user experiences with ThinkAnalytics and Amazon Personalize	https://aws.amazon.com/blogs/media/create-personalized-user-experiences-with-thinkanalytics-and-amazon-personalize/	Create personalized user experiences with ThinkAnalytics and Amazon PersonalizeThis blog is co authored by Nilay Naik from ThinkAnalytics and Kevin Yao from AWS The ThinkAnalytics Think platform helps media entertainment news and direct to consumer video providers use a data driven approach to increase revenue and customer engagement The platform integrates Amazon Personalize from Amazon Web Services AWS to allow a wide selection of personalized recommendation solutions …	2023-02-09 21:08:51
技術ブログ	Developers.IO	[アップデート] AWS SAM Connector がリソース属性として定義出来るようになり、読みやすくなりました	https://dev.classmethod.jp/articles/aws-sam-connector-resource-attr/	samconnec	2023-02-09 21:20:45
海外TECH	MakeUseOf	How to Clear Your Saved Searches on Twitter	https://www.makeuseof.com/how-to-clear-saved-searches-twitter/	twitter	2023-02-09 21:16:15
海外TECH	MakeUseOf	5 Signs Your Graphics Card is Dying	https://www.makeuseof.com/signs-graphics-card-is-dying/	learning	2023-02-09 21:06:15
海外TECH	DEV Community	How create and upload content in Cloud Storage GCP?	https://dev.to/xlmriosx/how-create-and-upload-content-in-cloud-storage-gcp-1fae	How create and upload content in Cloud Storage GCP Simple way to install SDK from GCP Related content You can find repo related in ‍GitHub You can connect with me in LinkedIn Resume All this blog is using shell Using SDK s Google we will use tool to manage Cloud Storage In this blog we will create a storage and upload content in it For more information and potential of this click here Pre Conditions You need have installed SDK You can do that following next stepsNote I set alias to use SDK like msdk st Set a name to bucket ️We assign to a variable the name that will have bucket I use following command BUCKET NAME xlmriosx bucket nd Create bucket Using SDK installed with alias like msdk I use following command to create a bucket With alias mdsk gsutil mb p PROJECT NAME c BUCKET TYPE l REGION gs BUCKET NAMEWithout alias docker run rm volumes from gcloud config gcr io google com cloudsdktool cloud sdk gsutil mb p PROJECT NAME c BUCKET TYPE l REGION gs BUCKET NAMEWhere PROJECT NAME gt Is name of the project where you wnat instance a bucket BUCKET TYPE gt Is type of storage you want like standard nearline coldline archive REGION gt Region where you want stay your storage bucket OUTPUT Creating gs xlmriosx bucket rd Verify that your bucket was created We will list buckets to verify that our bucket was created With alias docker run ti name gcloud config gcr io google com cloudsdktool cloud sdk gcloud auth loginWithout alias msdk gsutil ls gs BUCKET NAME th Upload content in bucket ️We can copy content to bucket with the following command msdk gsutil cp DATA gs BUCKET NAMEOUTPUT Copying file DATA Content Type X files Y B Y B Operation completed over objects Y B Where DATA gt Directory or file that we want upload in the bucket th Say thanks give like and share if this has been of help interest	2023-02-09 21:46:44
海外TECH	DEV Community	Top 20 React Interview Questions & Answers	https://dev.to/davidyaonz/top-20-react-interview-questions-answers-fmm	Top React Interview Questions amp Answers Top React Interview Questions amp Answers Q What is React and how does it work React is a JavaScript library for building user interfaces It allows developers to create reusable UI components and manage the state of their application in an efficient and declarative way React uses a virtual DOM Document Object Model to render UI components which allows it to optimize updates to the UI by only re rendering components that have changed Q What are the benefits of using React The benefits of using React include increased developer productivity improved performance through the use of the virtual DOM better collaboration between teams with the use of reusable components and the ability to easily integrate with other technologies and libraries Q How does React handle state management In React state is a plain JavaScript object that represents the data for a component The useState hook is used to manage the state in a functional component and the setState method is used to update the state in a class component React components automatically re render whenever the state changes Q What is the difference between props and state in React Props are passed from a parent component to a child component while state is managed within a component Props are used to provide data and behavior to a component while state is used to store and manage dynamic data that can change over time Q What is the virtual DOM in React and why is it important The virtual DOM is a lightweight in memory representation of the actual DOM When a component s state or props change React updates the virtual DOM and then uses a diffing algorithm to determine the most efficient way to update the actual DOM This approach is more efficient than updating the actual DOM directly because it reduces the number of DOM operations that need to be performed Q What are Higher Order Components HOCs in React Higher Order Components are functions that take a component as an argument and return a new component with additional props or behavior HOCs are used to abstract common logic and behavior into reusable components which can then be applied to multiple components throughout an application Q What is the lifecycle method of a React component The lifecycle methods of a React component are methods that are called at different stages of a component s life such as when it is first rendered when it is updated and when it is unmounted Some of the most common lifecycle methods include componentDidMount shouldComponentUpdate componentDidUpdate and componentWillUnmount Q Can you explain how React handles performance optimization React handles performance optimization through the use of the virtual DOM and its diffing algorithm When a component s state or props change React updates the virtual DOM and then uses a diffing algorithm to determine the most efficient way to update the actual DOM This approach reduces the number of DOM operations that need to be performed which improves the overall performance of the application Q What is the difference between server side rendering and client side rendering in React Server side rendering SSR refers to rendering a React application on the server and sending the fully rendered HTML to the client Client side rendering CSR refers to rendering a React application on the client in the browser SSR can improve the performance and accessibility of a React application but it requires additional setup and can be more complex to implement than CSR Q What is a Redux store in React A Redux store is a central repository for the state of a Redux powered React application The store is managed by the Redux framework and allows the state of an application to be updated in a predictable and consistent manner Q What is the purpose of the mapStateToProps and mapDispatchToProps functions in React Redux mapStateToProps is a function that maps the state from the Redux store to the props of a component mapDispatchToProps is a function that maps dispatch actions to the props of a component allowing the component to trigger state updates in the Redux store Q What is the purpose of the React Router library React Router is a library for routing in React applications It allows developers to specify the different routes and paths in an application and to render different components based on the current URL React Router makes it easy to handle navigation dynamic routing and other common routing related tasks in a React application Q Can you explain the concept of hooks in React Hooks are a feature introduced in React that allow developers to add state and other React features to functional components Hooks are named functions that can be called within a functional component to add state manage side effects and access other React features without having to convert the component to a class component Q Can you explain the concept of context in React The context in React is a way to pass data to components without having to pass the data down through multiple levels of the component tree Context allows developers to create a provider component that holds the data and a consumer component that accesses the data This can make it easier to manage the state of a complex application and to share data between components that are far apart in the component tree Q How would you optimize the performance of a React application To optimize the performance of a React application you can use techniques such as lazy loading of components and images using memoization to avoid unnecessary re renders using the shouldComponentUpdate lifecycle method to avoid unnecessary updates and optimizing the size and loading of assets Additionally you can use profiling and performance tools to identify bottlenecks and areas for improvement in your React application Q What is the Virtual DOM in React The Virtual DOM is a lightweight in memory representation of the actual DOM in a React application When state updates occur React updates the Virtual DOM instead of the actual DOM and then calculates the most efficient way to update the actual DOM based on the changes in the Virtual DOM This helps to optimize the performance of React applications and makes it faster and more efficient to update the user interface Q What is the use of the React developer tools browser extension The React developer tools browser extension is a tool that helps developers to inspect and debug React applications It provides a way to inspect the component hierarchy the props and state of components and to trace updates and changes in the Virtual DOM The React developer tools can help developers to diagnose and solve problems with their React applications and to optimize performance and behavior Q Can you explain the concept of Higher Order Components HOCs in React Higher Order Components HOCs are a pattern in React that allow developers to reuse component logic An HOC is a function that takes a component as an argument and returns a new component with additional props and or behavior HOCs can be used to abstract away common logic and behavior and to create reusable components that can be composed and customized in different ways Q What is the purpose of the key prop in React The key prop in React is used to identify elements in a list for React to optimize updates and rendering When rendering a list of elements React uses the key prop to keep track of which elements have changed and to update the elements in the most efficient way possible The key prop should be unique and constant for each element in the list and should be used in combination with the map function to render the elements Q What is the purpose of the ReactFragment component The ReactFragment component is used to wrap a set of components in a React application without adding extra HTML elements to the DOM This can be useful for rendering components that do not have a semantic meaning and for reducing the complexity and overhead of rendering in a React application The ReactFragment component is equivalent to using a self closing tag in HTML and can be used in the same way as other components in a React application	2023-02-09 21:35:02
海外TECH	Engadget	SpaceX doesn't want Ukraine using Starlink to control military drones	https://www.engadget.com/spacex-objects-to-ukraine-starlink-drones-215629197.html?src=rss	SpaceX doesn x t want Ukraine using Starlink to control military dronesElon Musk s SpaceX may be willing to supply Ukraine with Starlink service as it repels the Russian invasion but it s not thrilled with every use of the satellite internet technology Operating chief Gwynne Shotwell tells guests at a Federal Aviation Administration conference that SpaceX objects to reported uses of Starlink to control military drones While the company doesn t mind troops using satellite broadband for communication it doesn t mean for the platform to be used for quot offensive purposes quot Shotwell says The executive adds that SpaceX can limit Ukraine s ability to use Starlink with combat drones and has already done so The company hasn t explained how it curbs use in the field Ukraine says it s not alarmed National security council secretary Oleksiy Danilov tells The Washington Post the country doesn t rely solely on Starlink for military operations and may only need to quot change the means of attack quot in some cases Interior ministry advisor Anton Gerahchenko meanwhile argues that Ukraine quot liberate s quot rather than attacking and that Starlink has saved quot hundreds of thousands of lives quot Starlink has proved important to life in Ukraine since the Russian invasion began last year The country uses the service to connect civilians government agencies and military units that can t rely on terrestrial internet access For drones this could let Ukraine coordinate reconnaissance flights long distance targeting and bomb attacks SpaceX has a contentious relationship with Ukraine The firm was quick to provide Starlink terminals soon after the war began albeit with US government help Musk complained that it was becoming too expensive to fund service indefinitely but changed his mind soon after And while Ukraine struck a deal in December to get thousands more terminals with EU assistance that came just weeks after a steep price hike	2023-02-09 21:56:29
Cisco	Cisco Blog	SE Labs 2023 Annual Security Report Names Cisco as Best Next Generation Firewall	https://blogs.cisco.com/security/se-labs-2023-annual-security-report-names-cisco-as-best-next-generation-firewall	intelligence	2023-02-09 21:56:20
海外科学	NYT > Science	SpaceX Test Fires Engines on Starship, the Most Powerful Rocket Ever	https://www.nytimes.com/2023/02/09/science/spacex-starship-static-fire.html	SpaceX Test Fires Engines on Starship the Most Powerful Rocket EverThe ignition of the Super Heavy booster may set up an uncrewed orbital flight test next month of Starship the company s prototype spacecraft	2023-02-09 21:41:33
海外TECH	WIRED	50 Best Valentine's Day Deals: Instant Cameras, Phones, and Weighted Blankets	https://www.wired.com/story/best-valentines-day-deals/	ideas	2023-02-09 21:02:00
金融	ニュース - 保険市場TIMES	T＆Dフィナンシャル生命、「マイセレクトライフ2」の販売開始	https://www.hokende.com/news/blog/entry/2023/02/10/070000		2023-02-10 07:00:00
海外ニュース	Japan Times latest articles	Turkey-Syria quake death toll passes 20,000 as survivors battle bitter cold	https://www.japantimes.co.jp/news/2023/02/10/world/turkey-syria-quake-deaths/	arrives	2023-02-10 06:40:05
ニュース	BBC News - Home	West Ham 0-7 Chelsea: Sam Kerr scores four as Blues reach League Cup final	https://www.bbc.co.uk/sport/football/64572455?at_medium=RSS&at_campaign=KARANGA	West Ham Chelsea Sam Kerr scores four as Blues reach League Cup finalSam Kerr scores four goals in a scintillating display as Chelsea ruthlessly brush aside West Ham to reach a fourth successive Continental League Cup final	2023-02-09 21:13:25