投稿時間:2022-01-15 20:16:59 RSSフィード2022-01-15 20:00 分まとめ(17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
python	Pythonタグが付けられた新着投稿 - Qiita	im2colの実装で出てくる式をわかりやすく視覚化してみます	https://qiita.com/008_3104/items/b5e825c30f554190be70	今回はこのソースコード中のcolyximgyymaxstridexxmaxstrideという式だけに注目して、解説しますせまい一応、E資格講座の質問担当様にも、理解に間違いがないかチェックしていただきました。	2022-01-15 19:28:36
js	JavaScriptタグが付けられた新着投稿 - Qiita	MapLibre GL JSがv2.0.0になりました	https://qiita.com/Kanahiro/items/d5efdd6fe93a103fa84a	MapboxAPIへの依存がなくなったMapboxGLJSでは、styleのURL指定において、mapboxというprefixがMapboxAPIに関する特別な意味を持っており、mapboxTokenを用いて認証していましたが、この仕様が削除されました。	2022-01-15 19:59:03
js	JavaScriptタグが付けられた新着投稿 - Qiita	TypeScript または JavaScriptで作りたいプログラムの仕様:Web上の値の更新と合計	https://qiita.com/kaizen_nagoya/items/e0c5f4c5d71e1ad26034	仕様作りたいのは、Qiitaの記事で、記事のviewsなどを集計している表の、値を最新値に更新し、集計すること。	2022-01-15 19:12:40
AWS	AWSタグが付けられた新着投稿 - Qiita	AWS FargateとECSの違い	https://qiita.com/lune0415/items/ee25ac15a91da673222d	awsecs	2022-01-15 19:44:08
AWS	AWSタグが付けられた新着投稿 - Qiita	AWS Cloud Practitioner Essential まとめ	https://qiita.com/bhkbb2/items/3187082d980bb972b3e0	ECEKS実行時には、ECインスタンスが生成され、自分でサーバーの管理をしないといけないが、基盤・サーバー管理を意識したくない場合はAWSFargateを使う。	2022-01-15 19:42:26
技術ブログ	Developers.IO	[アップデート] AppStream 2.0 で SAML 2.0 Federated User を利用する際にアプリケーションの選択ができる様になりました	https://dev.classmethod.jp/articles/try-appstream2-application-entitlements/	amazonappstream	2022-01-15 10:06:40
海外TECH	DEV Community	Interviewer's Favorite: Event Bubbling	https://dev.to/sidmirza4/interviewers-favorite-event-bubbling-787	Interviewer x s Favorite Event BubblingHello everyone It s been a long time since I published my last article I got busy in learning deployment AWS Docker Kubernetes etcetera which I will share here as well so be tuned Today s article is gonna be about events more specifically event bubbling Let s get started Before starting the article I want you to familiarize with the word event in JS Those who are already familiar can skip the introduction section Introduction What is an event One of the most important questions that an interviewer asks around JS and DOM is about events When you start learning JS and playing with DOM Document Object Model you may hear read the word event so what is it In simple language when a user interact with the webpage in any way like click of a mouse button left or right pressing a keyboard button form submission etc These interactions are called events Why events are important If you want to become a better front end developer or a web developer in general you really need to understand behind the scenes of what happens when user interacts with the web page Almost all the questions in the interview about DOM revolves around events Now when a user do something on the webpage that causes an event to happen you can capture that event and do some specific task accordingly What is Event Bubbling With event you will hear read some more terms like Event Capturing Event Propagation and Event Bubbling Well as you already know this article is gonna be about event bubbling which is without a doubt is the most important Consider the following code snippet lt div gt lt ul gt lt li gt lt li gt lt ul gt lt div gt In the above example if you click on an li element it will occur as if the click happened on its parent ul and all the other parents above it This is because the event bubbles up from the element it happened to all of its parents It is called event bubbling Confusing right To visualize this I am creating a simple web page and attaching event listeners to div ul and li lt div class list container gt lt ul class list gt lt li class list item gt List item lt li gt lt li class list item gt List item lt li gt lt li class list item gt List item lt li gt lt ul gt lt div gt This is how it would look in in the inspector Now the magic of JS begins const listContainer document querySelector list container const list document querySelector list const listItems document querySelectorAll list item on click changing the item s background color to be red listItems forEach listItem gt listItem addEventListener click function event this referes to the li element which was clicked this style backgroundColor red The result Everything is working as expected right Now let s add event listeners to div and ul click event to div listContainer addEventListener click function event this style backgroundColor yellow click event on ul list addEventListener click function event this style backgroundColor green The result I know you might be thinking Woah wait Shahid you never clicked on ul or div why the hell their background color changed The answer is Event Bubbling When you click an element the event is bubbled up to all of its parent and it seems that the click is happened on each of its parent We can make some cool shit using the power of event bubbling but that is out of the scope of this article If you want me to write more and show more example on event bubbling please leave a comment below ️ Thanks a lot for reading this article Follow me twitter to show some love ️	2022-01-15 10:23:25
海外ニュース	Japan Times latest articles	Cambodia’s internet may soon be like China’s: State-controlled	https://www.japantimes.co.jp/news/2022/01/15/asia-pacific/cambodia-internet-surveillance/	Cambodia s internet may soon be like China s State controlledCritics say a recent crackdown puts Cambodia on a growing list of countries that have embraced China s authoritarian model of internet surveillance	2022-01-15 19:33:58
ニュース	BBC News - Home	Lead or step aside, senior Tory Tobias Ellwood tells Boris Johnson	https://www.bbc.co.uk/news/uk-politics-60005134?at_medium=RSS&at_campaign=KARANGA	parties	2022-01-15 10:31:08
ニュース	BBC News - Home	Ex-supermarket boss Lord Sainsbury of Preston Candover dies at 94	https://www.bbc.co.uk/news/uk-60003334?at_medium=RSS&at_campaign=KARANGA	sainsbury	2022-01-15 10:05:45
ニュース	BBC News - Home	Andy Murray loses Sydney final to Aslan Karatsev	https://www.bbc.co.uk/sport/tennis/60007026?at_medium=RSS&at_campaign=KARANGA	sydney	2022-01-15 10:46:44
ニュース	BBC News - Home	The Ashes: Ollie Pope takes 'flying' catch to remove David Warner for a duck	https://www.bbc.co.uk/sport/av/cricket/60007222?at_medium=RSS&at_campaign=KARANGA	The Ashes Ollie Pope takes x flying x catch to remove David Warner for a duckWatch as Ollie Pope dives full length to take a stunning flying catch to remove Australia s David Warner for a duck on the second day of the final Test of the Ashes in Hobart	2022-01-15 10:26:03
北海道	北海道新聞	津波区域、指定は１８道府県　創設１０年も活用進まず	https://www.hokkaido-np.co.jp/article/633820/	都道府県	2022-01-15 19:15:00
北海道	北海道新聞	荒天でも「試験に集中」　樽商大で共通テスト初日	https://www.hokkaido-np.co.jp/article/633813/	大学入学共通テスト	2022-01-15 19:13:00
北海道	北海道新聞	照ノ富士、連敗免れて６勝目　御嶽海が単独首位、正代４敗目	https://www.hokkaido-np.co.jp/article/633812/	両国国技館	2022-01-15 19:05:00
北海道	北海道新聞	ラグビー、横浜が２連勝　リーグワン１部	https://www.hokkaido-np.co.jp/article/633811/	連勝	2022-01-15 19:05:00
ビジネス	東洋経済オンライン	｢からあげクン｣宇宙食化に暗雲がたちこめたワケ 漫画｢宇宙めし！｣（第2集･第10話） | 宇宙めし | 東洋経済オンライン	https://toyokeizai.net/articles/-/477366?utm_source=rss&utm_medium=http&utm_campaign=link_back	宇宙飛行士	2022-01-15 19:30:00