投稿時間:2023-05-12 09:39:45 RSSフィード2023-05-12 09:00 分まとめ(48件)

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IT 気になる、記になる… ヤマダウェブコム、3日間限定で「Apple Watch SE (GPS+Cellularモデル)」の大幅値引きセールを開催中 − 27,800円に https://taisy0.com/2023/05/12/171729.html apple 2023-05-11 23:06:55
IT ITmedia 総合記事一覧 [ITmedia エグゼクティブ] 日本デビューのグーグル「バード」 チャットGPTとどこが違う ITジャーナリスト三上洋さんに聞く https://mag.executive.itmedia.co.jp/executive/articles/2305/12/news086.html itmedia 2023-05-12 08:12:00
AWS AWS Neoloan Harnesses AWS Solutions to Help Investors Collaborate with Businesses | Amazon Web Services https://www.youtube.com/watch?v=ykilSvIc0Vk Neoloan Harnesses AWS Solutions to Help Investors Collaborate with Businesses Amazon Web ServicesNeoloan provides software solutions that help investors and lenders work effectively with businesses and entrepreneurs The Munich based fintech company s innovative approach requires a secure testing environment so it works with AWS to encrypt its data manage Kubernetes and moreーplus it employs AWS Command Line Interface to manage its AWS toolset As a result Neoloan is well protected from security incidents can run with maximum efficiency and can pass the ethos of safety and security along to its clients Learn how Neoloan has harnessed AWS solutions to bolster its scalability cost efficiency and resource management Discover the best cloud solution for your business Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster SmallMediumBusiness AWS AmazonWebServices CloudComputing 2023-05-11 23:31:55
python Pythonタグが付けられた新着投稿 - Qiita 5分で理解するAmazon CodeWhisperer https://qiita.com/Brutus/items/a1bf6022079af98c98b0 amazoncodewhisperer 2023-05-12 08:55:49
python Pythonタグが付けられた新着投稿 - Qiita [参考記事共有]IT資格についての記事共有について Part8 https://qiita.com/momozo_trademen/items/03e14494e5e9288e567a qiita 2023-05-12 08:52:54
python Pythonタグが付けられた新着投稿 - Qiita 【Python】シーザー暗号の実装 https://qiita.com/Takuya__/items/e4c6f4fd5a9dd695a2d1 ascii 2023-05-12 08:46:33
Ruby Rubyタグが付けられた新着投稿 - Qiita RubyでAtCoder ABC261(A, B, C)を解いてみた https://qiita.com/shoya15/items/0accadb105cd4782eb08 atcoder 2023-05-12 08:38:09
AWS AWSタグが付けられた新着投稿 - Qiita 5分で理解するAmazon CodeWhisperer https://qiita.com/Brutus/items/a1bf6022079af98c98b0 amazoncodewhisperer 2023-05-12 08:55:49
AWS AWSタグが付けられた新着投稿 - Qiita 2023 年版 AWS Health イベントを Slack 通知する方法 https://qiita.com/hayao_k/items/29a2978c39d9bec69d27 awshealth 2023-05-12 08:10:56
海外TECH DEV Community JavaScript Closures: Understanding Private Variables, Callbacks, and Memoization for Efficient Code https://dev.to/husayn01/javascript-closures-understanding-private-variables-callbacks-and-memoization-for-efficient-code-2ph4 JavaScript Closures Understanding Private Variables Callbacks and Memoization for Efficient CodeJavaScript is a powerful programming language that is used to create interactive websites and web applications One of the most important concepts in JavaScript is closures Closures can be a little tricky to understand at first but once you get the hang of them they can make your code much more powerful and flexible In this article we will explain what closures are how they work and how to use them in your code What are Closures A closure is a function that has access to its parent function s variables even after the parent function has returned In other words a closure is created when a function is defined inside another function and the inner function has access to the outer function s variables This means that the inner function closes over the variables of the outer function hence the name closure How do Closures Work To understand how closures work let s look at an example Consider the following code function outer var name Hussaini function inner console log name return inner var closure outer closure In this code we define a function called outer that contains a variable name and a function inner The function inner logs the value of name to the console We then return the function inner from outer and store it in a variable called closure Finally we call the closure function Hussaini When we call closure it logs the value of name to the console even though name is not defined within the closure function itself This is because closure is a closure that has access to the variables of the outer function even though outer has already returned This may seem like a small and insignificant detail but closures can be incredibly powerful when used correctly They allow you to create functions that are both flexible and efficient and can help you write code that is easier to read and maintain How to Use Closures Now that we know what closures are and how they work let s look at some examples of how to use them in your code Creating Private VariablesOne common use of closures is to create private variables In JavaScript all variables defined within a function are accessible to any nested functions within that function This means that if you define a variable in a function any functions defined within that function can also access that variable For example function outer var name Hussaini function inner console log name inner outer In this code we define a function called outer that contains a variable name and a function inner The function inner logs the value of name to the console We then call the inner function from within the outer function Hussaini When we call outer it logs the value of name to the console because inner has access to the name variable However this also means that any other functions defined within outer would also have access to the name variable which may not always be desirable To create a private variable that is only accessible to theinnerfunction we can use a closure Here s an example function outer var name Hussaini function inner console log name return inner var closure outer closure In this code we define a function called outer that contains a variable name and a function inner The function inner is returned from outer instead of being called directly We then store the returned function in a variable called closure Finally we call the closure function Hussaini When we call closure it logs the value of name to the console just like before However because name is defined within the outer function and not directly accessible outside of it it is effectively a private variable that is only accessible through the closure created by outer Creating Callback FunctionsAnother common use of closures is to create callback functions A callback function is a function that is passed as an argument to another function and is executed when the original function completes Callback functions can be used for a variety of purposes such as handling user input or responding to server requests Here s an example of how to create a callback function using closures function calculate num num operation var result operation num num console log Result result function add num num return num num function subtract num num return num num calculate add calculate subtract In this code we define a function called calculate that takes three arguments num num and operation The operation argument is expected to be a function that takes two numbers and returns their result We then use the operation function to calculate the result of num and num and log the result to the console We also define two additional functions called add and subtract that take two numbers and return their sum and difference respectively We then call the calculate function twice passing in the add and subtract functions as the operation argument each time When we run this code we should see the following output Result Result This is because the calculate function is using the operation function passed in as an argument to perform the calculation This allows us to use different functions for different calculations without having to rewrite the calculate function every time MemoizationFinally closures can also be used for memoization which is a technique for optimizing function performance by caching the results of expensive calculations Memoization can be especially useful when dealing with recursive functions that perform the same calculations multiple times Here s an example of how to use closures for memoization function fibonacci var cache function calculate n if n in cache return cache n else if n lt return n else var result calculate n calculate n cache n result return result return calculate var fib fibonacci console log fib console log fib console log fib In this code we define a function called fibonacci that returns another function called calculate The calculate function takes a single argument n and uses memoization to calculate the nth Fibonacci number We use a closure to create a cache object that stores the results of expensive calculations If the result of the calculation for a given n value is already in the cache we return that result instead of performing the calculation again Otherwise we calculate the result using a recursive call to calculate store the result in the cache and then return the result Finally we call the fibonacci function to get the calculate function and store it in a variable called fib We then call the fib function three times with different values to calculate the th th and th Fibonacci numbers When we run this code we should see the following output This is because the calculate function is using memoization to avoid performing the same calculations multiple times This makes the function faster and more efficient ConclusionIn conclusion closures are a powerful feature of JavaScript that allow you to create functions with private variables and maintain state between function calls Closures can also be used for creating callback functions and for memoization By understanding how closures work you can write more efficient and flexible JavaScript code My name is Hussaini Ahmed I am a front end developer I also write about front end languages frameworks and latest technologies I d loved to hear your thought on this article Feel free to drop a comment below or reach out to me via UpworkGithubWhatsAppTwitterLinkedIn 2023-05-11 23:16:16
医療系 医療介護 CBnews 医療機関へのコロナ特例「早期解消を」財務省-3年間で国費21兆円投入 https://www.cbnews.jp/news/entry/20230511213143 位置付け 2023-05-12 09:00:00
金融 金融総合:経済レポート一覧 一般会計歳入の増加に向け時限的に外為特会のさらなる活用を:ビューポイント No.2023-002 http://www3.keizaireport.com/report.php/RID/537177/?rss 一般会計 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 金融政策決定会合における主な意見(2023年4月27・28日開催分) http://www3.keizaireport.com/report.php/RID/537178/?rss 主な意見 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 貸出・預金動向(2023年4月) http://www3.keizaireport.com/report.php/RID/537179/?rss 日本銀行 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 FX Daily(5月10日)~米CPI受け134円台前半まで下落 http://www3.keizaireport.com/report.php/RID/537181/?rss fxdaily 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 [BBLセミナー]中小企業金融の経済学~金融機関の役割 政府の役割【議事録】 http://www3.keizaireport.com/report.php/RID/537188/?rss 中小企業 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 次の注目はプライベート・クレジット・ファンド:木内登英のGlobal Economy & Policy Insight http://www3.keizaireport.com/report.php/RID/537189/?rss lobaleconomypolicyinsight 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 米国商業用不動産市場の見通し:CMBSでは高いクオリティの投資機会を追求:債券 http://www3.keizaireport.com/report.php/RID/537192/?rss 不動産市場 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 取締役会事務局御中 PBR評価モニターシート 2023年4月(試作版) http://www3.keizaireport.com/report.php/RID/537193/?rss 取締役会 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 【アメリカ】企業年金運用とESG投資~新規則制定と関連動向 http://www3.keizaireport.com/report.php/RID/537200/?rss 企業年金 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 EY調査、市場のボラティリティの高まりで投資家行動に変化~アクティブ投資やフィンテックに需要がシフト http://www3.keizaireport.com/report.php/RID/537222/?rss eyjapan 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 米国株 S&P500指数の5つのポイント(2023-5) http://www3.keizaireport.com/report.php/RID/537231/?rss 米国株 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 J-REIT市場 現状と今後の見通し(2023年5月号)~2023年4月の東証REIT指数は、前月末比+4.91%の1,873 .45ポイントで引けました。 http://www3.keizaireport.com/report.php/RID/537232/?rss jreit 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 米4月CPIの上昇率は2年ぶりの5%割れ~10カ月連続の上昇率鈍化:マーケットレポート http://www3.keizaireport.com/report.php/RID/537233/?rss 三井住友トラスト 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 オーストラリア マーケット動向(2023/5/11)【隔週版】~ここ2週間の豪ドルの対円レートは、上昇。 http://www3.keizaireport.com/report.php/RID/537234/?rss 三井住友 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 米国における信用条件の引き締まりと景気の関係:市川レポート http://www3.keizaireport.com/report.php/RID/537235/?rss 三井住友 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 【石黒英之のMarket Navi】米インフレ圧力残るも米利上げは停止となる公算 http://www3.keizaireport.com/report.php/RID/537236/?rss marketnavi 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 海外投資家が大幅に買い越し~2023年4月投資部門別売買動向:研究員の眼 http://www3.keizaireport.com/report.php/RID/537239/?rss 海外投資家 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 内外株式ファンドに利益確定売り発生~2023年4月の投信動向:研究員の眼 http://www3.keizaireport.com/report.php/RID/537240/?rss 利益確定売り 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 エマージング国ではインフレが低下し、年内の利下げが視野に~エマージング国の金融政策の転換はまだ完全には資産価格に織り込まれていない... http://www3.keizaireport.com/report.php/RID/537255/?rss 金融政策 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 企業価値革命が日本株式市場を活性化(1)小型株市場を活性化するアクティビスト http://www3.keizaireport.com/report.php/RID/537258/?rss 三井住友 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 【注目検索キーワード】バイオエコノミー http://search.keizaireport.com/search.php/-/keyword=バイオエコノミー/?rss 検索キーワード 2023-05-12 00:00:00
金融 金融総合:経済レポート一覧 【お薦め書籍】1300万件のクチコミでわかった超優良企業 https://www.amazon.co.jp/exec/obidos/ASIN/4492534628/keizaireport-22/ 転職 2023-05-12 00:00:00
金融 日本銀行:RSS マネーストック(4月) http://www.boj.or.jp/statistics/money/ms/ms2304.pdf マネーストック 2023-05-12 08:50:00
海外ニュース Japan Times latest articles Moved to tears: Guys, it’s OK to express your emotions now and then https://www.japantimes.co.jp/life/2023/05/12/language/expressing-emotions-japanese/ japan 2023-05-12 08:30:07
ニュース BBC News - Home Russia denies advances by Ukrainian forces along front line https://www.bbc.co.uk/news/world-europe-65567143?at_medium=RSS&at_campaign=KARANGA ukraine 2023-05-11 23:55:00
ニュース BBC News - Home Jordan Neely: Ex-Marine to be charged over New York subway death https://www.bbc.co.uk/news/world-us-canada-65567073?at_medium=RSS&at_campaign=KARANGA attorney 2023-05-11 23:16:39
ニュース BBC News - Home Hospital boss claims unfair dismissal after chairman 'bullied' her https://www.bbc.co.uk/news/health-65538005?at_medium=RSS&at_campaign=KARANGA chief 2023-05-11 23:08:31
ニュース BBC News - Home Eurovision 2023: The man who made a living betting his house on a song https://www.bbc.co.uk/news/entertainment-arts-65388335?at_medium=RSS&at_campaign=KARANGA contest 2023-05-11 23:37:34
ニュース BBC News - Home Wooing expat voters with post-Brexit woes in Spain https://www.bbc.co.uk/news/uk-politics-65269398?at_medium=RSS&at_campaign=KARANGA brexit 2023-05-11 23:38:44
ニュース BBC News - Home Local elections 2023: What's in store for England's first Green council? https://www.bbc.co.uk/news/uk-england-suffolk-65557814?at_medium=RSS&at_campaign=KARANGA suffolk 2023-05-11 23:43:46
ニュース BBC News - Home Blackadder's 40th anniversary celebrated with new stamps https://www.bbc.co.uk/news/entertainment-arts-65560306?at_medium=RSS&at_campaign=KARANGA british 2023-05-11 23:53:26
ニュース BBC News - Home Gary Lineker on the J-League: 'It began with an earthquake and a 5-0 loss. And then things got worse' https://www.bbc.co.uk/sport/football/65530665?at_medium=RSS&at_campaign=KARANGA Gary Lineker on the J League x It began with an earthquake and a loss And then things got worse x Gary Lineker planned on finishing his playing career with Tottenham But then came an offer from leftfield and East Asia that changed everything 2023-05-11 23:02:29
ニュース BBC News - Home Vesna 'are not your dolls': Eurovision Q&A https://www.bbc.co.uk/news/entertainment-arts-65556806?at_medium=RSS&at_campaign=KARANGA ukraine 2023-05-11 23:45:15
ニュース BBC News - Home Eurovision 2023: How TikTok has taken over the song contest https://www.bbc.co.uk/news/newsbeat-65531176?at_medium=RSS&at_campaign=KARANGA media 2023-05-11 23:46:05
ビジネス ダイヤモンド・オンライン - 新着記事 米、ウクライナ捜査当局者に訓練 露の暗号資産追跡で - WSJ発 https://diamond.jp/articles/-/322848 捜査当局 2023-05-12 08:06:00
ビジネス 東洋経済オンライン 不登校の原因を親に聞かれた彼女の苦しい胸の内 学校に行けない理由が「わからない」子への対処 | 学校・受験 | 東洋経済オンライン https://toyokeizai.net/articles/-/669112?utm_source=rss&utm_medium=http&utm_campaign=link_back 東洋経済オンライン 2023-05-12 08:30:00
マーケティング MarkeZine 文化とマーケティングの多様な関係を再考する~文化を作る・売る・利用するマーケティング~【論文紹介】 http://markezine.jp/article/detail/42141 関係性 2023-05-12 08:30:00

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