投稿時間:2023-07-24 17:31:11 RSSフィード2023-07-24 17:00 分まとめ(37件)

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ROBOT	ロボスタ	トンボの優れた機動⾶⾏の流体⼒学メカニズムを解明、次世代の羽ばたき型ロボットの創出に期待　東京工科大学の研究グループ	https://robotstart.info/2023/07/24/drgonfly-aerodynamics-mechanism.html	トンボの優れた機動⾶⾏の流体⼒学メカニズムを解明、次世代の羽ばたき型ロボットの創出に期待東京工科大学の研究グループシェアツイートはてブ東京工科大学工学部の野田龍介講師らの研究グループは、トンボが素早く逃げる様に飛行する機動飛行時の流体力学メカニズムを世界で初めて解明した。	2023-07-24 07:40:42
IT	ITmedia 総合記事一覧	[ITmedia News] ITお嬢様 vs. にせITお嬢様　ChatGPT新機能で試してみた	https://www.itmedia.co.jp/news/articles/2307/24/news125.html	chatgpt	2023-07-24 16:39:00
IT	ITmedia 総合記事一覧	[ITmedia News] Twitter改め「X」、新ロゴが正式決定　公式アカウントも黒に染まる	https://www.itmedia.co.jp/news/articles/2307/24/news139.html	itmedianewstwitter	2023-07-24 16:38:00
TECH	Techable（テッカブル）	ăƒ‡ă‚¸ă‚żăƒŤăƒ‘ăƒźă‚Żăƒžăƒƒăƒ—ă§éĄ§ĺŽ˘ćş€čśłĺşŚUPďźăƒŹă‚¸ăƒŁăƒźć–˝č¨­ăŽDXă§ĺŠšćžœçš„ăŞćƒ…ĺ ąç™şäżĄă‚’ĺŽŸçž	https://techable.jp/archives/214816	ăƒ‡ă‚¸ă‚żăƒŤăƒ ăƒźă‚Żăƒžăƒƒăƒーで饧厢満蜳庌UPďźăƒŹă‚¸ăƒŁăƒźć ˝č¨­ăŽDXă§ĺŠšćžœçš„ăŞćƒ…ĺ ąçşäżĄă‚ ĺŽŸçžă€ŒăƒーăƒŠăƒăƒŠăƒ ăƒźă‚Żă€ăŻă€ăƒœăƒźăƒŤăƒ‰ăƒŠă‚¤ăƒˆć Şĺźäźšç¤žăŒćäž›ăă‚‹ă€ăƒŹă‚¸ăƒŁăƒźć ˝č¨­ĺ ă ăŽăƒ‡ă‚¸ă‚żăƒŤăƒ ăƒźă‚ŻăƒžăƒƒăƒーăƒťăƒーăƒŠăƒƒăƒˆăƒ•ă‚Šăƒźăƒ ă§ăă€‚ĺŒă‚ľăƒźăƒ“ă‚šă‚ ă€ć„›çŸĽçœŒč ˛éƒĄĺ¸‚ăŤă‚ă‚‹ăƒ†ăƒźăƒžăƒ ăƒźă‚Żă€ŒăƒŠă‚°ăƒŠă‚ˇă‚˘ă€ăŒĺ°Žĺ…ĽăーぞăーăŸă€‚äťŠĺ›žăŽĺ°Žĺ…Ľă§ăŻă€ĺŒć ˝č¨­ăŒ	2023-07-24 07:40:18
IT	情報システムリーダーのためのIT情報専門サイト IT Leaders	福島県玉川村が「手ぶらキャッシュレス実証事業」の第2弾、指静脈/顔認証を用途で使い分け | IT Leaders	https://it.impress.co.jp/articles/-/25136	第弾年月日同年月日の実証では、指静脈認証による村内店舗での地域商品券の利用に取り組んできた。	2023-07-24 16:21:00
AWS	AWS Japan Blog	成功を測定する：パラドックスと計画	https://aws.amazon.com/jp/blogs/news/measuring-success-a-paradox-and-a-plan/	計画	2023-07-24 07:45:53
AWS	AWS Japan Blog	週刊AWS – 2023/7/17週	https://aws.amazon.com/jp/blogs/news/aws-weekly-20230717/	amplifyjavascript	2023-07-24 07:11:33
python	Pythonタグが付けられた新着投稿 - Qiita	【django】テンプレートエンジンを使ったwebページの動的生成方法	https://qiita.com/gk12/items/94174b560af078fbccd0	django	2023-07-24 16:27:18
python	Pythonタグが付けられた新着投稿 - Qiita	【django】管理サイトの使い方：データの追加や編集、削除方法	https://qiita.com/gk12/items/c890d9fb274afeecb1e4	django	2023-07-24 16:27:13
js	JavaScriptタグが付けられた新着投稿 - Qiita	ITエンジニアなのにまだ投資やってないの？ChatGPTでクオンツシステム作って儲けようぜpart3	https://qiita.com/kazukichi/items/281a86a1d53117b2a583	chatgpt	2023-07-24 16:15:13
js	JavaScriptタグが付けられた新着投稿 - Qiita	React Nativeでコンポーネントの位置を取得する方法と注意点	https://qiita.com/itinerant_programmer/items/d7bad7247b3fba806093	android	2023-07-24 16:10:43
Linux	Ubuntuタグが付けられた新着投稿 - Qiita	Dapr CLI を Ubuntu にインストールする	https://qiita.com/fsdg-adachi_h/items/a00f2802a171959b5728	daprcli	2023-07-24 16:22:46
AWS	AWSタグが付けられた新着投稿 - Qiita	【備忘録】AWS EC2 起動テンプレートからインスタンスを起動する時にボリュームが表示されない	https://qiita.com/daji110728/items/0a5154f44577be1af798	起動	2023-07-24 16:54:53
Docker	dockerタグが付けられた新着投稿 - Qiita	MisskeyをDocker+Cloudflare+Xserver+WSLで建てた際の覚書	https://qiita.com/rohto4/items/f1a4829471fb4c93e159	cloudflarexserverwsl	2023-07-24 16:49:05
Docker	dockerタグが付けられた新着投稿 - Qiita	Dapr CLI を Ubuntu にインストールする	https://qiita.com/fsdg-adachi_h/items/a00f2802a171959b5728	daprcli	2023-07-24 16:22:46
技術ブログ	Developers.IO	[登壇資料]DevelopersIO 2023 福岡で「コンタクトセンター業界の動向とAmazon Connect&周辺のAWSサービスについて語り尽くす」というタイトルで登壇しました	https://dev.classmethod.jp/articles/developersio-2023-fukuoka-contact-center-amazon-connect/	amazon	2023-07-24 07:57:27
技術ブログ	Developers.IO	[登壇資料] コンピュートリソースと トリガーから考える サーバーレスアーキテクチャ [DevelopersIO 2023 福岡] #devio2023	https://dev.classmethod.jp/articles/devio-2023-slide-thinging-serverless-architecture-from-compute-resources-and-triggers/	developersio	2023-07-24 07:54:13
技術ブログ	Developers.IO	[アップデート] Amazon CloudWatch Logs Insightsのクエリでpatternがサポートされました	https://dev.classmethod.jp/articles/update-amazon-cloudwatch-logs-insights-pattern/	cloudw	2023-07-24 07:53:26
技術ブログ	Developers.IO	[資料公開] DevIO23福岡で「守りの監視から攻めの監視へシフトしよう」というタイトルで登壇しました #devio2023	https://dev.classmethod.jp/articles/202307-lets-shift-your-mind-to-offensive-monitoring/	developersio	2023-07-24 07:30:56
海外TECH	DEV Community	Develop Right on Top of Your Kubernetes Cluster	https://dev.to/gsaraf/develop-right-on-top-of-your-kubernetes-cluster-2id0	Develop Right on Top of Your Kubernetes ClusterIn recent years Kubernetes has emerged as the de facto standard for container orchestration providing an efficient and scalable platform for deploying and managing applications As developers strive to streamline their workflows and optimize productivity an emerging trend is developing applications directly on top of the Kubernetes cluster itself In this blog post we will explore the benefits of developing right on top of your Kubernetes cluster and dive into the challenges that make this a difficult reality to achieve Starting with the benefits Reduced env varianceBy developing directly on your Kubernetes cluster you eliminate the need for a separate development environment or local setup This streamlines the development process reducing the overhead of replicating the cluster setup locally and therefore the time spent on setting up and maintaining multiple environments In a complex project there may be multiple flavors of production environments along with a host of staging test and preview environments Having to maintain yet another environment type which is used by the entire dev team is a huge time and attention sink for both developers and devops Consistent development and production envsCatch and resolve issues early on and reduce the risk of surprises during deployment by using the same tools libraries and configurations as the production environment Developing on top of your Kubernetes cluster ensures that your development environment is aligned with the production environment This consistency eliminates the works on my machine problem where code behaves differently in different environments Seamless integration with cluster servicesDeveloping on top of your Kubernetes cluster gives you direct access to cluster services and features You can easily integrate with monitoring tools logging systems service meshes and other cluster specific resources This allows you to develop applications that are tightly coupled with the underlying infrastructure leveraging the full capabilities of Kubernetes and maximizing the efficiency of your applications Improved collaboration and teamworkKubernetes provides powerful features for collaboration allowing multiple developers to work simultaneously on the same cluster With development happening directly on the cluster team members can easily share links to environments using Kubernetes Ingress objects This enhances teamwork and promotes knowledge sharing as developers can observe and learn from each other s work Simplified testingDeveloping directly on your Kubernetes cluster simplifies the testing process Since you are working on the same environment where your application will run you can easily reproduce and analyze issues that might arise during deployment This reduces the time spent on recreating issues locally and provides a more accurate representation of how the application behaves in the production environment So why isn t everyone developing on top of their Kubernetes cluster Unfortunately there are a couple of significant challenges that make developing on top of a cluster difficult Container image immutabilityContainers are designed to be immutable meaning they can not be modified once built While this immutability promotes scalability and consistency it poses a big challenge for developers it is no longer possible to make code changes and see fast feedback Instead developers rely on their CI pipeline to deploy new images which extends the feedback cycle from seconds to minutes Long cycles leads to bundling many changes together which in turn causes each cycle s success rate to drop and inevitably dev speed is slowed significantly Inability to debugTo make matters worse it is difficult to set up proper debugging for code running in a Kubernetes cluster The container image does not contain the required debugging toolchain debugpy for Python dlv for Go etc The container may not have the required security configuration read only root FS missing capabilities … Ports need to be opened between the IDE and the container running in the cluster The IDE needs to be configured with the correct debugging configuration All of these mean that practically developers cease debugging once their env is running on Kubernetes ComplexityKubernetes is a highly sophisticated and complex system While some developers have a strong grasp of the basic Kubernetes concepts the learning curve can be steep and it can slow down developers significantly Lack of accessIn most organizations access to Kubernetes clusters even those intended for development is not available to all developers For good reason too it is easy to make mistakes and cause damage that takes time and resources to repair and the teams maintaining the clusters are wise to take proactive measures to minimize the chance of that The larger the organization and the more complex the deployment the higher the chance of limitations being in place for its clusters Cost and environment managementManaging the cost of a Kubernetes cluster is an art in itself Significantly increasing the number of environments due to their use in development can increase costs significantly Managing the large number of dev environments can add a lot of overhead to already overextended DevOps or platform teams Existing tooling intended to provide visibility into a limited number of environments may not scale well to the higher usage And differences in configuration between environment types can cause overhead and false positives Wait how is anyone developing on their Kubernetes cluster Luckily there are all kinds of tools that can be used to manage and develop on dev environments on Kubernetes Everything from Spinnaker to ArgoCD and FluxCD for orchestration and various solutions for the developer experience layer We use our own product Raftt which handles all of this complexity and more Raftt adapts the Kubernetes environment for development enabling out of the box hot reloading of code and debugging connected directly to your local machine and IDE Raftt s optional cluster level controller handles environment provisioning and lifecycle minimizing maintenance and additional costs You are left with a great development experience including code hot reloading debugging collaboration… that is easy to manage and deploy You can try it yourself deploy Raftt for development on your Kubernetes cluster with our demo project or with your own code	2023-07-24 07:20:00
海外TECH	DEV Community	Introduction to JavaScript Array Methods	https://dev.to/abidullah786/introduction-to-javascript-array-methods-2idb	Introduction to JavaScript Array Methods IntroductionArrays are a fundamental data structure in JavaScript enabling developers to store and manipulate collections of elements efficiently The Array object in JavaScript has a multitude of methods that empower programmers to perform common array operations with ease In this comprehensive article we ll explore the world of JavaScript arrays their important characteristics and the diverse categories they belong to Additionally we ll delve into the distinction between mutating and non mutating array methods as well as the iterative and array creating methods What is an Array in JavaScript In JavaScript an array is a special type of object that stores a list of elements Unlike regular objects arrays are ordered meaning that the elements are indexed and accessible by their position within the array These indices start from for the first element for the second and so on Arrays in JavaScript can contain elements of any data type such as numbers strings objects or even other arrays This versatility makes arrays a powerful tool for storing and managing data in various programming scenarios Important Points Regarding Arrays in JavaScript Zero based Indexing As mentioned earlier arrays in JavaScript use a zero based index meaning the first element is accessed using index the second with index and so forth Dynamic Length JavaScript arrays are dynamic meaning their length can change during the program s execution Elements can be added or removed causing the array to grow or shrink accordingly Heterogeneous Elements Arrays can contain elements of different data types Unlike some other programming languages JavaScript arrays are not restricted to holding elements of the same type Array Literal Syntax Arrays can be created using array literals enclosed in square brackets where elements are separated by commas Array Methods JavaScript provides a variety of built in methods that enable developers to perform various operations on arrays These methods include adding and removing elements searching for specific values sorting and more Array Length Property Arrays have a length property that indicates the number of elements in the array This property can be used to manipulate arrays effectively Sparse Arrays JavaScript arrays can be sparse meaning they may have holes where elements are undefined or missing Categories of JavaScript Arrays Based on their behavior JavaScript arrays can be categorized into the following groups Mutating and Non Mutating Array MethodsMutating array methods directly modify the original array while non mutating methods return a new array without altering the original one Mutating Array Methods fill Fills all elements of the array with a static value copyWithin Copies a sequence of elements within the array to a specified target index pop Removes the last element from the array and returns it push Adds one or more elements to the end of the array and returns the new length reverse Reverses the order of elements in the array shift Removes the first element from the array and returns it sort Sorts the elements of the array in place based on a given sorting criteria splice Adds or removes elements from the array at a specific index unshift Adds one or more elements to the beginning of the array and returns the new length Non Mutating Array Methods concat Combines two or more arrays into a new array slice Extracts a section of the array and returns a new array join Joins all elements of the array into a string with a specified separator toString Converts the array into a string representation toSorted Not a standard method The explanation is missing toSpliced Not a standard method The explanation is missing indexOf Returns the index of the first occurrence of a given element in the array lastIndexOf Returns the index of the last occurrence of a given element in the array includes Checks if the array contains a specific element and returns true or false every Checks if all elements satisfy a given condition and returns true or false some Checks if at least one element satisfies a given condition and returns true or false filter Creates a new array with elements that pass a given condition map Creates a new array by applying a function to each element in the original array reduce Reduces the array to a single value by applying a function from left to right reduceRight Reduces the array to a single value by applying a function from right to left An easy way to change a mutating method into a non mutating alternative is to use the spread syntax or slice to create a copy first arr copyWithin mutates arrconst arr arr slice copyWithin does not mutate arrconst arr arr copyWithin does not mutate arr Iterative Array MethodsIterative array methods involve passing a callback function and executing it sequentially for each array element They allow for more concise and expressive array processing List of Iterative Array Methods every Checks if all elements in the array pass a given test returning a boolean value filter Creates a new array with all elements that pass a given test callback function find Returns the value of the first element in the array that satisfies a given test function findIndex Returns the index of the first element in the array that satisfies a given test function findLast Returns the value of the last element in the array that satisfies a given test function findLastIndex Returns the index of the last element in the array that satisfies a given test function flatMap Maps each element using a mapping function then flattens the result into a new array forEach Executes a provided function once for each array element group Groups array elements based on a specified key or condition groupToMap Groups array elements into a Map based on a specified key or condition map Creates a new array with the results of calling a provided function on every element some Checks if at least one element in the array passes a given test returning a boolean value reduce Applies a function to each element of the array reducing it to a single value reduceRight Similar to reduce but processes the array from right to left Creating New ArraysCreating new arrays in JavaScript can be done using specific methods that return new arrays based on existing ones concat Concatenates two or more arrays and returns a new array filter Creates a new array with all elements that pass a given test callback function flat Creates a new array with all sub array elements concatenated into it recursively up to the specified depth flatMap Maps each element using a mapping function then flattens the result into a new array map Creates a new array with the results of calling a provided function on every element slice Returns a shallow copy of a portion of the array based on start and end indices splice Adds or removes elements from the array at a specific index toReversed Returns a new array with elements in reverse order compared to the original array toSorted Returns a new sorted array based on the elements of the original array toSpliced Returns a new array with a specified number of elements removed from the original array starting at the specified index with This is not a valid JavaScript array method it seems like a placeholder or typo Array from Creates a new shallow copied array from an array like or iterable object Array of Creates a new array from a variable number of arguments regardless of the number or type of arguments ConclusionIn conclusion JavaScript array methods are like a treasure trove of useful tools for working with arrays They offer various ways to handle arrays making it easier to perform different tasks By learning about the different categories of array methods and how they work you can write better and more efficient code In the next sections we ll explore each array method with examples to help you become more comfortable with arrays in JavaScript Let s embark on this journey together and improve your array skills If you found any mistakes or misinformation in this article please do not hesitate to let me know in the comments I would be incredibly grateful for your feedback as we are all here to learn and share knowledge Your input will help improve the accuracy and quality of this content ensuring that we provide the most helpful and reliable information to everyone in the community Let s work together to enhance our understanding and make the learning experience even better for everyone Thank you for your valuable contribution	2023-07-24 07:16:06
海外TECH	DEV Community	Currying vs Pipe in javascript	https://dev.to/shacodes/currying-vs-pipe-in-javascript-4m9	Currying vs Pipe in javascriptIn JavaScript both pipe and currying are functional programming techniques that can be used to compose functions in different ways Here s an explanation of each Currying vs Pipe in javascript Frontendchef Currying vs Pipe in Javascript Explore the differences between currying and piping in JavaScript Currying vs Pipe in javascript interview question Currying vs Pipe in javascript frontendchef com	2023-07-24 07:02:18
金融	日本銀行：RSS	日本銀行が保有する国債の銘柄別残高	http://www.boj.or.jp/statistics/boj/other/mei/release/2023/mei230720.xlsx	日本銀行	2023-07-24 17:00:00
金融	日本銀行：RSS	日本銀行による国庫短期証券の銘柄別買入額	http://www.boj.or.jp/statistics/boj/other/tmei/release/2023/tmei230720.xlsx	国庫短期証券	2023-07-24 17:00:00
海外ニュース	Japan Times latest articles	Japan prepares for an evacuation scenario involving residents on remote islands	https://www.japantimes.co.jp/news/2023/07/24/national/japan-prepares-evacuation-scenario-involving-residents-remote-islands/	Japan prepares for an evacuation scenario involving residents on remote islandsCommercial airplanes and ships are supposed to be used for an evacuation but weather and other conditions could make it difficult	2023-07-24 16:09:08
ニュース	BBC News - Home	Anjem Choudary charged with three terror offences	https://www.bbc.co.uk/news/uk-66287379?at_medium=RSS&at_campaign=KARANGA	anjem	2023-07-24 07:29:23
ニュース	BBC News - Home	Elon Musk: Twitter unveils X logo to replace Larry the bird	https://www.bbc.co.uk/news/business-66284304?at_medium=RSS&at_campaign=KARANGA	adieu	2023-07-24 07:22:53
ニュース	BBC News - Home	Rhodes holiday has become a survival exercise - Newmarket family	https://www.bbc.co.uk/news/uk-england-suffolk-66282809?at_medium=RSS&at_campaign=KARANGA	rhodes	2023-07-24 07:17:28
ビジネス	東洋経済オンライン	中東諸国の｢自動運転技術導入｣で中国勢が先行 ウィーライド､UAEで初の｢国家ライセンス｣獲得 | 「財新」中国Biz＆Tech | 東洋経済オンライン	https://toyokeizai.net/articles/-/686576?utm_source=rss&utm_medium=http&utm_campaign=link_back	biztech	2023-07-24 16:30:00
IT	週刊アスキー	アクトレスを見つけて豪華報酬をゲット！『アリス・ギア・アイギス』でリアルスカウト任務がスタート	https://weekly.ascii.jp/elem/000/004/146/4146528/	特設サイト	2023-07-24 16:40:00
IT	週刊アスキー	指を心地よく包み込む米Peak Design製カメラストラップ「マイクロクラッチ」	https://weekly.ascii.jp/elem/000/004/146/4146508/	peakdesign	2023-07-24 16:30:00
IT	週刊アスキー	ピカチュウのドリンクとコオリッポのアイス！ 「ドリンク&アイスショップ by ピカチュウスイーツ」	https://weekly.ascii.jp/elem/000/004/146/4146487/	横浜市みなとみらい	2023-07-24 16:15:00
IT	週刊アスキー	AI通訳アプリ「ポケトーク」、新たに世界18の国と地域で提供を開始	https://weekly.ascii.jp/elem/000/004/146/4146507/	iosandroid	2023-07-24 16:15:00
マーケティング	AdverTimes	関西テレビが新オウンドメディア「みよか」公開 地域の魅力を届ける	https://www.advertimes.com/20230724/article428036/	大阪市北区	2023-07-24 07:34:19
マーケティング	AdverTimes	“赤い鼻“をつけたSNS投稿で入院中の子どもたちに笑顔を届ける	https://www.advertimes.com/20230724/article428024/	rednosedaywithcliniclowns	2023-07-24 07:27:40
マーケティング	AdverTimes	「みんなで一緒に青春したい！」1060人の中高生とつくるポカリスエットの夏	https://www.advertimes.com/20230724/article427889/	大塚製薬	2023-07-24 07:18:09
マーケティング	AdverTimes	北村匠海がニコンの多様な技術を訴求、企業姿勢を表現した新CM	https://www.advertimes.com/20230724/article427984/	事業展開	2023-07-24 07:12:02