投稿時間:2021-05-24 02:20:34 RSSフィード2021-05-24 02:00 分まとめ(23件)

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AWS	AWS Japan Blog	クラウドが各国中央銀行の「デジタル通貨 (CBDC)」を変革する	https://aws.amazon.com/jp/blogs/news/cbdc-bank-of-japan/	達成目標に応じたアーキテクチャに関する考慮事項イノベーションや競争を促進する方法のつは、CBDCユーザーが中央銀行と直接取引するのではなく、資金の流れFundと取引履歴Transactionsの管理権限を有している「商業銀行などの決済サービスプロバイダーPSP」を介して取引するTwoTier層アーキテクチャを採用することです下図。	2021-05-23 16:24:59
python	Pythonタグが付けられた新着投稿 - Qiita	オフライン環境でpython環境を共有して使いたい	https://qiita.com/IntenF/items/3f88d07fb41422e0f4e7	オフライン環境でpython環境を共有して使いたいweb業界はインターネットにつながるのが当たり前ですが、データ分析業務ではオフラインで分析環境を構築することが多いかと思います。	2021-05-24 01:14:29
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	JavaScript Json parseエラーが出る	https://teratail.com/questions/339975?rss=all		2021-05-24 01:59:30
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	【Go言語のスライス操作】05/23 AtCoderRegularContest120のA問題について。	https://teratail.com/questions/339974?rss=all	、この配列numbsの要素を一部分取り出したスライスsliceを作り、問題文で定義された操作を行います。	2021-05-24 01:51:02
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Lisp プログラムの質問です	https://teratail.com/questions/339973?rss=all	Lispプログラムの質問ですLispnbspプログラムの質問です。	2021-05-24 01:48:36
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Lispプログラムの質問です。	https://teratail.com/questions/339972?rss=all	Lispプログラムの質問です。	2021-05-24 01:43:21
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	クラスのインスタンス時のAttributeError	https://teratail.com/questions/339971?rss=all		2021-05-24 01:28:02
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Python　1単語だけ取り出せない	https://teratail.com/questions/339970?rss=all	Python単語だけ取り出せないリストにある英単語からquotquotを取り除いて表示し、quotquoterrorquotという英単語のみを表示したいのですがどこを直せばいいですか。	2021-05-24 01:25:36
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Rails 課題　ルーティングパラメータ	https://teratail.com/questions/339969?rss=all	itemsidにGETでアクセスすると、商品の配列nbspitemsnbspのうち、該当のidの商品のidnbsp商品名nbsp価格が表示されるようにしてください。	2021-05-24 01:23:56
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	ExcelVBA 担当者別に複数フィルタしたデータの件数を拾いたい。	https://teratail.com/questions/339968?rss=all	Excelの一覧表から、様々なフィルタ条件によって件数を拾うマクロを作成したのですが、うまく件数を拾ってくれず、最初の行目は件数を拾いますが、あと行目からは行目の件数をそのまま持ってきているかのようになっていて、明らかに件な場所でも件数が上がってしまいます。	2021-05-24 01:19:23
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	CNNとLSTMを組み合わせたモデルのLSTMのパラメータ	https://teratail.com/questions/339967?rss=all	LRCNを用いて動作認識をする際、LSTMの隠れ層の数は何に対応しているのでしょうか。	2021-05-24 01:18:17
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Seleniumを使って、チェックボックスにチェックすることができない	https://teratail.com/questions/339966?rss=all	Seleniumを使って、チェックボックスにチェックすることができないSeleniumを使って、Web画面のチェックボックスにチェックを入れようとしているのですが、チェックができずエラーが起きてしまいます。	2021-05-24 01:14:47
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	【Arduino IDE】ESP32でNTP時計を製作したい... 初心者ですみません	https://teratail.com/questions/339965?rss=all	【ArduinoIDE】ESPでNTP時計を製作したい初心者ですみません前提・実現したいことESPというボードでセグを使用したNTP時計を製作中ですArduinonbspIDEでキット付属のコードを書いたのですが、以下のようなエラーが出てしまいます。	2021-05-24 01:08:02
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	jwtを認識するには	https://teratail.com/questions/339964?rss=all	vscodeにコードを貼り付けるとjwtが波線になっていました。	2021-05-24 01:07:49
海外TECH	DEV Community	Pure CSS Arcade 🕹	https://dev.to/baumannzone/pure-css-arcade-33p9	Pure CSS Arcade Hey friends I hope you had a great week On Thursday I finished my last CSS project Pure CSS Arcade Built from scratch with HTML amp CSS by doing live coding on twitch Every week I host a few streamings where I Draw with CSS Do you want to get a notification when the streaming starts Follow me on twitch Drawing this arcade machine was really a challenge because of the perspective I had to re think a couple of times how to do it but finally I handled it I have more CSS Art projects like this one on my YouTube channel Drop me a like if you like this one If you are an instagram person I upload short videos of every CSS project In this one you can see how I made a Pure CSS Viking Any questions I read your comments The orinal image That s all for now folks I hope you like it Be safe and don t forget to water your plants	2021-05-23 16:28:01
海外TECH	DEV Community	Ruby Metaprogramming	https://dev.to/shahershamroukh/ruby-metaprogramming-1inf	Ruby Metaprogramming What is MetaprogrammingMetaprogramming is one of those words that seems to exist to scare people However it s actually quite easy to understand if you look past the scary name So Are we talking about programming beyond programming Or Programming in the next dimension Actually ruby metaprogramming is a set of coding techniques that allow us to get the results we need with less code Ruby support for metaprogramming starts by allowing our code to stay well informed about what s going on around it With a little bit of effort we can write Ruby programs that know when a new class is created or when a method gets called and even when the application is about to exit And of course all this knowledge would be so much trivia if our program couldn t do anything about it Fortunately Ruby programs can do all sorts of things They can decide that there are still just a few details to take care of before the application exits they can even reprogram themselves yes So Metaprogramming allows programs to create methods on the fly instead of having to define them in the program itself Basic Examples of MetaprogrammingWe are going to start with an example from the Ruby on Rails framework as it is one of the most popular open source projects that use Ruby metaprogramming Imagine that we have created a database table for users that have columns such as name email etc And Of course Rails doesn t know what columns that we are going to have for the user database Then how exactly does the method find by email work when the method wasn t actually defined by us or the framework Actually Rails dynamically creates methods based on the column names in our database So the method is never defined instead it is generated on the fly by leveraging the metaprogramming technique Another Example of Metaprogramming is Monkey PatchingYep weird name I know Monkey patching is an object oriented technique that allows us to open up classes and add or alter built in behavior let s have an example with the string classclass Stringdef self greet Hello Everyone end end Now we can use this method on the String class String greet gt hello everyone Here is a great article explaining monkey patching please check it out to have a better understanding of such a powerful technique MonkeyPatchingAlso it s important to mention that Ruby provides us with many of powerful tools However just because a tool is powerful does not make it the right tool for the job as it also provides us with tons of built in methods ready for us to use SummaryThis is just the tip of the iceberg Some of the most used gems in Rails were built in this way such as RSpec and ActiveRecord And having a good understanding of Ruby Metaprogramming is very helpful in understanding what those gems are doing exactly which makes us more productive and spend less time fixing bugs I hope this article can get you a bit closer to understanding metaprogramming and you have enjoyed the reading as I have enjoyed the writing Reference eloquentruby	2021-05-23 16:19:57
海外TECH	DEV Community	NanoID - Alternative To UUID	https://dev.to/bibekkakati/nanoid-alternative-to-uuid-2kgn	NanoID Alternative To UUIDHey coders If you are a JavaScript developer I am pretty much sure that you have used the npm package UUID at least once in your development journey For those who don t know what is UUID It is an npm package to generate a unique string ID Similar packages are available in other languages too But in this article I am not going to discuss UUID rather I will discuss another awesome npm package to generate a unique ID known as NanoID What is NanoID A tiny secure URL friendly unique string ID generator for JavaScript Why NanoID It is smaller in size as it has no dependencies It is faster than UUID It uses cryptographically strong random APIs It uses a larger alphabet than UUID A Za z We can control the behaviour of alphabets to be used NanoID is available in almost all the most used programming languages Disclaimer All the above claims are picked from the package s docs itself ImplementationIt is very easy to implement Will write the code in a Node js environment using CommonJS import Basic WayIt will generate the ID synchronously Importingconst nanoid require nanoid It will generate and return an ID with charactersconst id nanoid Async wayIt will generate the ID asynchronously Importing async APIconst nanoid require nanoid async It will generate and return an ID with charactersconst id await nanoid Custom SizeYou can also pass the required ID s size as an argument Importingconst nanoid require nanoid It will generate and return an ID with charactersconst id nanoid Reducing the size will increase the collisions probability Non SecureIf you want performance and not concerned with security then you can use the non secure way Importing non secure APIconst nanoid require nanoid non secure const id nanoid Custom Character or SizeYou can control what characters you want to be included in your ID Importing customAlphabet APIconst customAlphabet require nanoid First Param Characters Second Param ID sizeconst nanoid customAlphabet qwerty Generated ID would be like qyer const id nanoid You can also use the customAlphabet with async way and non secure way Importing async APIconst customAlphabet require nanoid async Importing non secure APIconst customAlphabet require nanoid non secure You can also check for the ID collision probability here Thank you for reading If you enjoyed this article or found it helpful give it a thumbs up Feel free to connect Twitter Instagram LinkedIn	2021-05-23 16:15:46
海外TECH	DEV Community	Burger Popup Menu (anime.js) 🍔	https://dev.to/kerthin/burger-popup-menu-anime-js-38lo	Burger Popup Menu anime js Burger popup menu with hover navigation To implement the menu I used anime js and reavelRx js Unfortunately I didn t have the ability to insert library references into the project so I had to copy their contents to a js file The menu script itself starts at line and is marked with the comment Popup menu script Here it is Popup menu script function var popupMenu document querySelector popupMenu revealer new RevealFx popupMenu burger document querySelector burgerWrap burger onclick function if burger classList contains js burgerWrap close true revealer reveal bgcolor feb direction tb duration onCover function contentEl revealerEl popupMenu classList add js popupMenu open contentEl style opacity burger classList remove js burgerWrap close else popupMenu classList remove js popupMenu open revealer reveal bgcolor feb direction bt duration onCover function contentEl revealerEl popupMenu classList remove js popupMenu open contentEl style opacity burger classList add js burgerWrap close popupMenu addEventListener submit function ev ev preventDefault In it you can change the color direction and speed of the sliding block that opens and closes the menu Let s say that when opening it slides from left to right and it has a red color and when closing it slides from bottom to top and its color is blue Demo P S I didn t bother creating a burger icon There is no need to reinvent the wheel So I decided to take it from another Pen from CodePen But at the same time I decided to translate its html code into pug for my own convenience Burger structure Pug Burger burgerWrap js burgerWrap close label burgerWrap box input burgerInput type checkbox svg strokeWrap viewBox xmlns path strokeWrap stroke strokeWrap stroke first d M hc L path strokeWrap stroke strokeWrap stroke second d M h path strokeWrap stroke strokeWrap stroke third d M hc L It is created using svg and uses the input checkbox and the checked pseudo class in css to run the animation Therefore it does not need js to work But if you want you can implement running the burger animation via js SCSS with checked pseudo class strokeWrap stroke fill none stroke feb stroke width stroke linecap round stroke linejoin round length offset stroke dasharray var length var total length stroke dashoffset var offset transition all s cubic bezier strokeWrap stroke first strokeWrap stroke third total length strokeWrap stroke second total length burgerInput display none amp checked strokeWrap strokeWrap stroke first strokeWrap stroke third length offset strokeWrap stroke second length offset Thank you for your time	2021-05-23 16:08:52
海外TECH	Engadget	'League of Legends' 2021 championship will take place in Shenzhen on November 6th	https://www.engadget.com/league-of-legends-world-championship-2021-shenzhen-160356363.html	x League of Legends x championship will take place in Shenzhen on November thThe League of Legends World Championship will take place in Shenzhen on November th helping to revive in person esports events	2021-05-23 16:03:56
ニュース	BBC News - Home	Covid: UK passes 60m jabs milestone after 762,000 in a day	https://www.bbc.co.uk/news/uk-57221506	chief	2021-05-23 16:20:52
ニュース	BBC News - Home	Belarus diverts Ryanair flight to arrest journalist, says opposition	https://www.bbc.co.uk/news/world-europe-57219860	minsk	2021-05-23 16:53:38
ニュース	BBC News - Home	Scotland's lord advocate and solicitor general resign	https://www.bbc.co.uk/news/uk-scotland-57221516	alison	2021-05-23 16:33:47
ニュース	BBC News - Home	Glasgow Covid level may drop if ICU numbers do not rise	https://www.bbc.co.uk/news/uk-scotland-glasgow-west-57217715	intensive	2021-05-23 16:29:06