投稿時間:2021-11-22 16:49:26 RSSフィード2021-11-22 16:00 分まとめ(54件)

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TECH	Engadget Japanese	ガラスの中にミスト渦巻く幻想的加湿器「twystr」先行販売中	https://japanese.engadget.com/twystr-063034403.html	greenfunding	2021-11-22 06:30:34
TECH	Engadget Japanese	Edgeブラウザに「効率モード」導入　自動でバッテリー消費を低減	https://japanese.engadget.com/microsoft-edge-062216381.html	efficiencymode	2021-11-22 06:22:16
ROBOT	ロボスタ	横浜「動く実物大ガンダム」冬季特別演出を発表　横浜夜景アートイルミ「ヨルノヨ」ともコラボ　11月27日から	https://robotstart.info/2021/11/22/yokohama-gundam-winter-directing.html	evolvingg	2021-11-22 06:43:22
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] Pairs、日本初となるマッチングアプリの「プリペイドカード」発売　なぜ？	https://www.itmedia.co.jp/business/articles/2111/22/news111.html	itmedia	2021-11-22 15:17:00
IT	ITmedia 総合記事一覧	[ITmedia PC USER] Audibleが2021年の利用動向調査を発表　「自宅」利用がトップに	https://www.itmedia.co.jp/pcuser/articles/2111/22/news114.html	amazon	2021-11-22 15:03:00
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	オンラインコミュニケーション、東京と大阪で意識の違いが判明─Sansan調査 | IT Leaders	https://it.impress.co.jp/articles/-/22362	オンラインコミュニケーション、東京と大阪で意識の違いが判明ーSansan調査ITLeadersSansanは年月日、東京都と大阪府に在住する代のビジネスパーソン人を対象に実施した意識調査「今年の出会いとビジネスに関する調査」の結果を発表した。	2021-11-22 15:21:00
python	Pythonタグが付けられた新着投稿 - Qiita	遅いPythonの処理は、Juliaにやらせよう	https://qiita.com/malo21st/items/3b0f96713cb433202725	また、処理結果もJSONからデータフレームに変換してPython側に返しています。	2021-11-22 15:29:23
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	WordPress ”Sydney” ヘッダースライダー上にメニューを表示したい	https://teratail.com/questions/370479?rss=all	DEMOサイトをインポートしたばかりとなるのですが、以下教えていただきたいです。	2021-11-22 15:59:43
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	素数判定プログラムを作成したい。	https://teratail.com/questions/370478?rss=all	素数判定プログラムを作成したい。	2021-11-22 15:57:41
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	C#を書いているのですが、エラーメッセージCS0165(未割当のローカル変数が使用されました。）が出て困っています。原因を教えて下さい。	https://teratail.com/questions/370477?rss=all	Cを書いているのですが、エラーメッセージCS未割当のローカル変数が使用されました。	2021-11-22 15:55:08
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	openssl ubuntuにてコマンドが出来ない	https://teratail.com/questions/370476?rss=all	opensslubuntuにてコマンドが出来ないの処理を行いたくてlibssldevをインストールしてmkdirnbsppnbspdemoCAprivatenewcertscdnbspdemoCAとしましたがsudoechogtserialのコマンドを入力しましたが、「bashnbspserialnbspPermissionnbspdenied」が表示され処理がうまく出来ません。	2021-11-22 15:49:26
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	pandasを使い、行名と列名が同じデータフィールドから特定行を取得したい	https://teratail.com/questions/370475?rss=all	ここで、αβのタプルαβはどちらもintを元に、dfから特定行を抽出したいと考えています。	2021-11-22 15:43:56
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	コマンドライン上からpauseが入るプログラムを繰返し実行する方法	https://teratail.com/questions/370474?rss=all	コマンドライン上からpauseが入るプログラムを繰返し実行する方法コマンドプロンプト上から、あるプログラム「exenbsp」を実行すると、最後に、「続行するには何かキーを押してくださいnbspnbspnbsp」とpauseが入ります。	2021-11-22 15:43:31
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Teratail先程まで落ちていたのですがどうして落ちたのか気になるためサーバーなどの環境をお伺いしたい	https://teratail.com/questions/370473?rss=all	Teratail先程まで落ちていたのですがどうして落ちたのか気になるためサーバーなどの環境をお伺いしたいお世話になっております。	2021-11-22 15:41:57
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	何故UDPサーバーはスレッド化しなくてもいいのか	https://teratail.com/questions/370472?rss=all	複数	2021-11-22 15:41:23
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	IEでも動くようにしたいです。	https://teratail.com/questions/370471?rss=all	IEでも動くようにしたいです。	2021-11-22 15:41:13
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	ReactNativeの環境構築後、App.jsをVSCodeで開くと問題箇所が出ます。	https://teratail.com/questions/370470?rss=all	ReactNativeの環境構築後、AppjsをVSCodeで開くと問題箇所が出ます。	2021-11-22 15:39:35
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Apache側のアクセスログにWordpressのIDを付与したい	https://teratail.com/questions/370469?rss=all	acesslog	2021-11-22 15:39:05
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	ワードプレス　ー　会員制サイトでキャッシュが残ることによりログイン・ログアウトがすぐに反映されない件	https://teratail.com/questions/370468?rss=all	ワードプレスー会員制サイトでキャッシュが残ることによりログイン・ログアウトがすぐに反映されない件ワードプレスにて会員制のサイトを作成しています。	2021-11-22 15:36:35
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	zabbixにてファイルの有無を確認するアイテムを正規表現を用いて作成したい	https://teratail.com/questions/370467?rss=all	zabbixにてファイルの有無を確認するアイテムを正規表現を用いて作成したい表題の件ですが、アイテムの式に以下の式を入力したのですが、戻り値がつまり、ファイルが存在しない判定になってしまいますvfsfileexistsCTest「」は何でもよい文字列という意味ではないのでしょうか自分の認識が間違っているのでしょうか実現したいことCドライブ下のTestディレクトリにファイルが作成されたかどうかを監視したいです。	2021-11-22 15:32:42
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	AWSでWindowsサーバにRDPして、IPアドレスの変更を行ったらRDPから弾かれて再接続が出来なくなってしまった。	https://teratail.com/questions/370466?rss=all	windows	2021-11-22 15:23:54
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	box2dにおいて三角形のbodyを作ることについて	https://teratail.com/questions/370465?rss=all	boxdにおいて三角形のbodyを作ることについてboxdにおいて三角形のbodyを作りたいと考えています。	2021-11-22 15:16:26
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	手書きで書いたものをダウンロードさせたい	https://teratail.com/questions/370464?rss=all	gtltscriptsrcgtltscript	2021-11-22 15:14:15
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	TWELITE STAGE SDK内のLIS3DHのコードが理解できません。	https://teratail.com/questions/370463?rss=all	TWELITESTAGESDK内のLISDHのコードが理解できません。	2021-11-22 15:13:21
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	phpで文字コードを取得したい	https://teratail.com/questions/370462?rss=all	phpで文字コードを取得したい前提・実現したいことUnicodeの文字コードを取得したい試したこと例えば以下のようなギリシャ文字などを指定して、文字コードを取得したいです。	2021-11-22 15:11:37
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	posterのタイミングでクラス変更	https://teratail.com/questions/370461?rss=all	発生している問題・エラーメッセージやりたい事としてはvideoタグでposterになったタイミングで適応クラスを変えたいのですが、やり方がいまいちわからない状態です。	2021-11-22 15:08:58
AWS	AWSタグが付けられた新着投稿 - Qiita	AthenaのSQLでPandasのresampleのようなことを行う	https://qiita.com/yomon8/items/489ee19b9747a0cbc7d3	AthenaのSQLでPandasのresampleのようなことを行う以下のようにAWSDataWrangler使ってAthenaからロードした時系列データを時間単位毎に集計する処理を実行していました。	2021-11-22 15:29:28
Docker	dockerタグが付けられた新着投稿 - Qiita	Dockerコンテナへ一部のネットワークからアクセスできなくなった	https://qiita.com/kenkubomi/items/95cfd60be0095ed068b6	Dockerコンテナへ一部のネットワークからアクセスできなくなったDockerコンテナへ一部のネットワークからアクセスできなくなる事象が発生したため、解決に至った流れを以下にまとめておきます。	2021-11-22 15:34:05
Linux	CentOSタグが付けられた新着投稿 - Qiita	Dockerコンテナへ一部のネットワークからアクセスできなくなった	https://qiita.com/kenkubomi/items/95cfd60be0095ed068b6	Dockerコンテナへ一部のネットワークからアクセスできなくなったDockerコンテナへ一部のネットワークからアクセスできなくなる事象が発生したため、解決に至った流れを以下にまとめておきます。	2021-11-22 15:34:05
Ruby	Railsタグが付けられた新着投稿 - Qiita	railsのトップページを表示するまで	https://qiita.com/koyama_0122/items/76bf1ca24f359477c952	railsのトップページを表示するまで毎回railsのトップページを表示させるまで、必ずどこかでエラーが発生するので記録しておきます。	2021-11-22 15:50:17
海外TECH	DEV Community	Back to Basics: Conditional Logic with Python if else if	https://dev.to/ravgeetdhillon/back-to-basics-conditional-logic-with-python-if-else-if-5ck7	Back to Basics Conditional Logic with Python if else ifWhether you are new to Python programming or returning to it after a break you may need to learn or re learn about decision making and branching statements in Python In this tutorial you will learn about different if else if else scenarios that may arise while writing a Python program Read the full blog on Adam The Automator Thanks for reading I publish a monthly newsletter in which I share personal stories things that I am working on what is happening in the world of tech and some interesting dev related posts which I come across while surfing on the web Connect with me through Twitter •LinkedIn •Github or send me an Email ーRavgeet Full Stack Developer and Technical Content Writer	2021-11-22 06:40:59
海外TECH	DEV Community	Solution to Problems that Beginners Encounter ~React/Deploy~	https://dev.to/ayako_yk/solution-to-problems-that-beginners-encounter-reactdeploy-1hag	Solution to Problems that Beginners Encounter React DeployI ve been learning React only for three weeks but I ve had so many problems I ll share one of them I encountered while I was deploying my project It was not the same way I usually do since this time I was using API The project was to create a weather app using OpenWeatherMap push the code to GitHub and deploy it to Netlify I hid the API key in a env file with a variable name just like this VARIABLE NAME FOR API abcdeHere is what I needed to do Netlify Set Environment Variables Deploys gt Deploy settings gt Environment gt Environment variables gt Edit variables Key gt VARIABLE NAME FOR API value gt abcde Set Build Command Deploys gt Deploy settings gt Continuous Deployment gt Build settings gt Build commandBuild command gt CI yarn run build You can change yarn to npm if you re using npm Make sure it is capital i and there s no space between CI and I typed CI yarn run build and failed so many times I hope this will help those who have the same problem	2021-11-22 06:36:00
海外TECH	DEV Community	Cracking the code: Material UI	https://dev.to/malissab/cracking-the-code-material-ui-4m16	Cracking the code Material UIWHY Here I am back again to lay out the simplicities of programming If you can find yourself to combine simple and programming in the same sentence My first experience with Material UI wasn t the best nor the easiest It felt as if I was learning another language but again like my last post WHY would we want to learn and implement Material UI into our projects THE PRELUDE I prefer to express concepts in a simplistic form More often than not learning and applying new languages can be difficult with some of the documentation we find online I d like to change that With understanding the purpose and the problem a language or framework library is solving I mean I don t mind almost going bananas to simplify learning for new web devs on their journey So WHAT IS MATERIAL UI Material UI is a component library made for react to streamline a faster easier web development and user experience Basically Material UI allows us to style our react applications with prebuilt buttons navigation bars grid systems etc Everything from their library is styled following their very own specifications It even integrates best coding practices so that users and developers can easily understand and navigate your project If you re familiar with Bootstrap it s quite similar but designed by Google and quite fancier if you ask me No shade to Bootstrap though IMPLEMENTING MATERIAL UI FIRST THINGS FIRST To get started and view changes to the styling of our webpage we have to install a few things In order to use Material UI within our code editor we must install all the dependencies necessary to implement styling Otherwise it wouldn t alter the design of our webpage We re now able to style our components and import the component from Material UI In the above example we declare a variable and set it equal to makeStyles We also have to declare another variable inside our function to call makeStyles In React always use camel casing to apply styling such as paddingLeft Now we re set to apply our newly created styling components as a className or call the component in our return	2021-11-22 06:35:23
海外TECH	DEV Community	Immutable Arrays and Objects in JavaScript, the Native Way	https://dev.to/alexdevero/immutable-arrays-and-objects-in-javascript-the-native-way-16gm	Immutable Arrays and Objects in JavaScript the Native WayThe idea of writing immutable JavaScript is becoming more and more popular Primitive data types in JavaScript are immutable by default Arrays and objects are not This tutorial will show you how to replace mutable operations with arrays and objects with their immutable alternatives ArraysArrays are one of the most frequently used data structures in JavaScript There are many built in methods we can use when we work with them The problem when it comes to immutability is that many of these methods are mutable by nature Using these methods means changing the original data These mutable methods are push pop splice shift unshift reverse and sort Fortunately there are alternatives we can use to replace these methods if we want to keep our JavaScript code immutable Let s take a look at them PushThe push method allows us to add a new item at the end of existing array We can achieve the same result while keeping our data immutable using spread syntax All we have to do is to create new empty array spread the original and add any item we want to add If we want to add multiple we can Mutable way const mutableArray Apple Netflix Microsoft Add item at the end mutableArray push Amazon Uber console log mutableArray Output Apple Netflix Microsoft Amazon Uber Immutable way const immutableArray Apple Netflix Microsoft Add item at the end const newArray immutableArray Amazon Uber console log immutableArray Output Apple Netflix Microsoft console log newArray Output Apple Netflix Microsoft Amazon Uber UnshiftSimilar method to push is unshift The difference between these two is that instead of adding new item at the end of the array unshift adds the item at the beginning It inserts the item as the first The immutable approach is similar to push except that we have to reverse the order of spread and new items Mutable way const mutableArray Apple Netflix Microsoft Add item at the beginning mutableArray unshift Amazon Uber console log mutableArray Output Amazon Uber Apple Netflix Microsoft Immutable way const immutableArray Apple Netflix Microsoft Add item at the beginning const newArray Amazon Uber immutableArray console log immutableArray Output Apple Netflix Microsoft console log newArray Output Amazon Uber Apple Netflix Microsoft PopThe pop method does two things First it removes the last item from an array Second it returns the removed item When it removes the item it changes the original array This happens even if you try to assign the result of this operation to a variable We can do both in immutable fashion When we want to get the last element of an array we can use indices We take the length property of an array subtract and the result is the last item If we also want to get the array any items that precede the last we can use slice method Mutable way const mutableArray Apple Netflix Microsoft Get the last item const lastItem mutableArray pop console log lastItem Output Microsoft console log mutableArray Output Apple Netflix Immutable way const immutableArray Apple Netflix Microsoft Get the last item const lastItem immutableArray immutableArray length Get the rest of the array const restOfArray immutableArray slice immutableArray length console log immutableArray Output Apple Netflix Microsoft console log lastItem Output Microsoft console log restOfArray Output Apple Netflix ShiftA reversed alternative to pop is shift This method also removes an item from an array but it removes it from the beginning It also changes the original and returns the removed item Immutable alternative is similar to pop The difference here is two fold First to get the first item in the array we can use as the index For slice and getting the rest of an array we can say that we want everything except the first item Mutable way const mutableArray Apple Netflix Microsoft Get the first item const firstItem mutableArray shift console log firstItem Output Apple console log mutableArray Output Netflix Microsoft Immutable way const immutableArray Apple Netflix Microsoft Get the first item const firstItem immutableArray Get the rest of the array const restOfArray immutableArray slice console log immutableArray Output Apple Netflix Microsoft console log firstItem Output Apple console log restOfArray Output Netflix Microsoft SpliceThe splice method is handy when we want to add remove or replace items in from an array We can achieve the same in immutable fashion using combination of spread syntax and slice First we create a new array Next we use spread to copy the original After that we use slice to keep what we want Mutable way const mutableArray Apple Netflix Microsoft Replace the nd item with two new items mutableArray splice Uber Amazon console log mutableArray Output Apple Uber Amazon Microsoft Immutable way const immutableArray Apple Netflix Microsoft Replace the nd item with two new items const newArray immutableArray slice Uber Amazon immutableArray slice console log immutableArray Output Apple Netflix Microsoft console log newArray Output Apple Uber Amazon Microsoft SortThe sort method makes it very easy to sort any array By default it sorts item in an ascending order However we can also provide custom sorting function to sort the array in any way we want If we want to sort some array while keeping it immutable we don t have to re invent the wheel We can still use the sort method but in combination with spread syntax The spread syntax will help us copy the original array We can then take the copy and sort it in any way we want This change will leave the original array untouched Mutable way const mutableArray Microsoft Apple Netflix Sort the array mutableArray sort console log mutableArray Output Apple Microsoft Netflix Immutable way const immutableArray Microsoft Apple Netflix Sort the array const newArray immutableArray sort console log immutableArray Output Microsoft Apple Netflix console log newArray Output Apple Microsoft Netflix ReverseThe reverse is an alternative to sort that helps reverse the order of items in an array Just like the sort it does so by changing the original array When we combine this method with spread syntax we can create a copy of the array and apply reverse to the copy leaving the original untouched Mutable way const mutableArray Apple Microsoft Netflix Amazon Uber Reverse the array mutableArray reverse console log mutableArray Output Uber Amazon Netflix Microsoft Apple Immutable way const immutableArray Apple Microsoft Netflix Amazon Uber Reverse the array const newArray immutableArray reverse console log immutableArray Output Apple Microsoft Netflix Amazon Uber console log newArray Output Uber Amazon Netflix Microsoft Apple ObjectsObjects are just as popular in JavaScript as arrays if not even more Just like arrays objects are also by default mutable When we create an object we can add new properties or remove existing at any time There are ways we can ensure this never happens by freezing or sealing objects However what if we actually want to change an object add or remove properties in immutable way We can do both Adding propertiesWhen we want to add properties while keeping our objects immutable we can use the spread syntax With spread we can create a clone of an object and spread it into a new object Then we can add any addition properties we want Mutable way const person firstName Lori lastName Robinson email lori robinson example com Add properties person birthday person phoneNumber console log person Output firstName Lori lastName Robinson email lori robinson example com birthday phoneNumber Immutable way const person firstName Lori lastName Robinson email lori robinson example com Add properties const newPerson person birthday phoneNumber console log person Output firstName Lori lastName Robinson email lori robinson example com console log newPerson Output firstName Lori lastName Robinson email lori robinson example com birthday phoneNumber Modifying existing property valuesWe can use the same approach also when we want to change existing property values First we create a new object Next we spread the original object into the new object Finally we add any key value pairs we want to change When some property already exists its value will be overwritten by the new value Mutable way const person firstName Lori lastName Robinson email lori robinson example com phoneNumber Add properties person firstName Nicholas person lastName Clark person email nicholas clark example com console log person Output firstName Nicholas lastName Clark email nicholas clark example com phoneNumber Immutable way const person firstName Lori lastName Robinson email lori robinson example com phoneNumber Add properties const newPerson person firstName Nicholas lastName Clark email nicholas clark example com console log person Output firstName Lori lastName Robinson email lori robinson example com phoneNumber console log newPerson Output firstName Nicholas lastName Clark email nicholas clark example com phoneNumber Removing propertiesWhen we want to remove some object property one option that will do the job is the delete operator We can do the same in an immutable way using destructuring assignment and spread syntax With destructuring assignment we can extract object properties one by one After that we can use the spread syntax to get an object that contains the rest of properties that remained Mutable way const person firstName Lori lastName Robinson email lori robinson example com phoneNumber Remove propertiesdelete person emaildelete person phoneNumberconsole log person Output firstName Lori lastName Robinson Immutable way const person firstName Lori lastName Robinson email lori robinson example com phoneNumber Add properties const email phoneNumber newPerson personconsole log person Output firstName Lori lastName Robinson email lori robinson example com phoneNumber console log newPerson Output firstName Lori lastName Robinson console log email Output lori robinson example com console log phoneNumber Output Working with nested structures ptPrevious solutions work well with simple objects that doesn t use nesting or doesn t contain nested objects or arrays When we have to deal with these use cases we can still use spread syntax However we have to remember that we must use spread on objects or arrays on all levels of nesting If we forget this we will create deep copy only of the top level object Any nested objects will remain shallow copies This means that changing those nested objects will lead to changing the originals Create more complex object by adding array as a value const person firstName Lori lastName Robinson email lori robinson example com phoneNumber hobbies gardening reading music This will not work const newPerson person Try to add new hobby only to new object newPerson hobbies push skiing Note this will change the original hobbies array as wellconsole log person Output firstName Lori lastName Robinson email lori robinson example com phoneNumber hobbies gardening reading music skiing console log newPerson Output firstName Lori lastName Robinson email lori robinson example com phoneNumber hobbies gardening reading music skiing When we use spread on all levels the problem in the previous example disappears This also applies to nested object literals When some object contains object literals we have to spread them individually just like arrays This will ensure we are working with deep copies not just shallow the originals Create more complex object const person firstName Lori lastName Robinson email lori robinson example com phoneNumber hobbies gardening reading music family firstName Tobias lastName Robinson relationship brother This will work const newPerson person hobbies person hobbies Spread the array as well family person family Spread the object as well newPerson hobbies push skiing newPerson family relationship stepbrother console log person Output firstName Lori lastName Robinson email lori robinson example com phoneNumber hobbies gardening reading music family firstName Tobias lastName Robinson relationship brother console log newPerson Output firstName Lori lastName Robinson email lori robinson example com phoneNumber hobbies gardening reading music skiing family firstName Tobias lastName Robinson relationship stepbrother Working with nested structures ptThis approach works well with structures that are more complex but not too much When we deal with more complex structures it can quickly become a pain Nobody wants to spread dozens of objects or arrays In this case we can use combination of spread JSON parse and JSON stringify With JSON stringify we can transform an object into a string We can than transform it back to an object with JSON parse Finally spread will help us spread that parsed object into a new one This will create a deep copy in which we can change any nested properties we want without accidentally changing the original Create more complex object const person firstName Lori lastName Robinson email lori robinson example com hobbies gardening reading music family firstName Tobias lastName Robinson relationship brother This will work const newPerson JSON parse JSON stringify person newPerson hobbies push skiing delete newPerson emailnewPerson family relationship stepbrother console log person Output firstName Lori lastName Robinson email lori robinson example com hobbies gardening reading music family firstName Tobias lastName Robinson relationship brother console log newPerson firstName Lori lastName Robinson phoneNumber hobbies gardening reading music skiing family firstName Tobias lastName Robinson relationship stepbrother Conclusion Immutable arrays and objects in JavaScript the native wayWorking with arrays and objects in immutable way helps us keep our code predictable track changes and avoid unexpected side effect I hope that this tutorial made it easier for you to understand how you can work with arrays and objects while keeping them immutable	2021-11-22 06:35:03
海外TECH	DEV Community	Get Colored Console Output In Python Using Colorama	https://dev.to/visheshdvivedi/get-colored-console-output-in-python-using-colorama-4gci	Get Colored Console Output In Python Using ColoramaIn this blog I am gonna talk about a python module that can make your console based applications look much better than they normally look the colorama module Here s how a normal console application looks without using colorama img alt coloring using lt br gt colorama height src bp blogspot com OImMfspec YNn I VdQI AAAAAAAAAYo ecepCARIsNMdLxsemnjOEfsaJPthjdgCLcBGAsYHQ w h coloring script using colorama PNG title coloring using colorama width And here s how the same script would look with some color effects Isn t that beautiful All of this was possible due to colorama module And we are gonna learn how we can use this module in python About The ModuleColorama is a python module that is used to display colored output in console It can change both foreground and background color of any text which is displayed in the console The link to its github repository is this colorama img alt colorama lt br gt github height src bp blogspot com erQzkaJRrk YNrcUvnvNI AAAAAAAAAZE xSvICFHIAhGeJgMMYTtUOlFQWhUQCLcBGAsYHQ w h colorama github PNG title colorama github width Getting Started With ColoramaFirst you need to download and install colorama Just open your command prompt and type the following For Windows pip install coloramaFor Linux sudo pip install coloramaThis will automatically download and install colorama in your system Note you should have pip installed in your system for this to work If it is not check out this blog and setup your pip Once your colorama is installed you can import colorama in any of your python script and use it Now let s learn how to use it within our scripts Using colorama Initializing coloramaFirst we have to initialize colorama by running the init method like this from colorama import initinit On Windows calling init  will filter ANSI escape sequences out of any text sent to stdout or stderr and replace them with equivalent Win calls On other platforms it s not of much use So don t forget to call this function is your script runs on Windows Colored OutputIt s time we write our first colored output on the screen like this from colorama import init Fore Back Styleinit print Normal white color print Fore RED Letters will be in red print Back GREEN Background will be green Style RESET ALL print Style DIM Fore RED Back GREEN And style will be dim Style RESET ALL print And everything is back to normal The output would look like this img alt colorama lt br gt output height src bp blogspot com krstzmJtdQ YNrj STHE I AAAAAAAAAZM kteKCh qgZtobxYXxeiyopViLmxLgCLcBGAsYHQ w h colorama output PNG title colorama output width As you might understand you can change the foreground letter color using the Fore class and selecting the correct color constant you want to use You can change background color using Back class and change style of letters using Style class Here are the possible foreground background and style class Fore BLACK RED GREEN YELLOW BLUE MAGENTA CYAN WHITE RESET Back BLACK RED GREEN YELLOW BLUE MAGENTA CYAN WHITE RESET Style DIM NORMAL BRIGHT RESET ALLNote The color effects that you will place will remain consistent unless you call deinit function or mention Fore RESET Back RESET or Style RESET ALL Using termcolorYou can also use termcolor in Windows to color a specific portion of the console outputfrom colorama import initfrom termcolor import coloredinit print colored This is in red color red print colored This is in yellow color yellow print colored This is in blue color blue print colored This is in cyan color cyan print colored This is in green color green print colored This is in magenta color magenta img alt colorama lt br gt colors height src bp blogspot com rCPiAFHFR YNsDrMcPzI AAAAAAAAAZU XkPiYRLcYCAUBAseEPstVSHMRR mwOwCLcBGAsYHQ w h colorama colors PNG title colorama colors width just import colored function from termcolor and use it as following print colored string to color   color name ConclusionOverall this is a very awesome module and I bet you should definitely try using this module within your scripts to give it a more professional look and feel Hope this blog helped you all You can follow me onYouTube Instagram Linkedin	2021-11-22 06:25:36
海外TECH	DEV Community	Robot Operating System: Installation Instructions for Ubuntu	https://dev.to/admantium/robot-operating-system-installation-instructions-for-ubuntu-1gfb	Robot Operating System Installation Instructions for UbuntuThe Robot Operating System ROS is provided as several Debian packages Installation instructions specifically target the Ubuntu distribution If you want to get ROS running its best to do so on an Ubuntu system But what to do if you cannot use Ubuntu or have another operating system like OsX This article is an essential description of how to get the Robot Operating System running If you use Ubuntu install it natively If not I recommend to install VM with a virtualization software of your choice Just follow the steps outlined in the next sections and you will have a fully working ROS system This article originally appeared at my blog admantium com Setup Ubuntu in a VMThe official ROS installation manual lists installation steps for Linux Debian Ubuntu Arch Linux Windows and Mac OsX But as I mentioned in the introduction from my experience the compatibility of ROS packages is best in Ubuntu Linux Therefore if you do not have a spare PC I recommend to get VMWare Fusion player with a free license and then install Ubuntu as a VM Get a free key for VMware Fusion PlayerOn the same page download VMware Fusion player for your operating SystemInstall VMware Fusion PlayerGet the Ubuntu ISOInstall Ubuntu as a VMware virtual machineVmWare Fusion Player feature a comfortable auto installation mode in which you don t need any manual interactions After a short amount of time the VM is ready and you can continue to install ROS Setup ROSOn your Ubuntu machine follow these steps to install ROS Noetic Add the ROS package repository to your sources list and import the required keys sudo sh c echo deb lsb release sc main gt etc apt sources list d ros latest list sudo apt key adv keyserver hkp keyserver ubuntu com recv key CCFEEBADEBBFEDFBABCFor maximum compatibility of your system with the tutorials and other systems make a Desktop Full Install of ROSsudo apt update amp amp sudo apt install ros noetic desktop fullInstall additional packages sudo apt install liburdfdom tools ros noetic robot state publisher Starting ROSWhen all packages are installed it s time to test the installation Run the following command to export additional path variables in your shell so that you can execute all the ROS binariessource opt ros noetic setup bashStart a demo of the simulation tool gazeboroslaunch walker gazebo walker launchIf you see the GUI application starting like in the following picture your installation is complete Now permanently add the new new env vars to your shell withecho source opt ros noetic setup bash gt bashrcCongrats ROS is installed and you can proceed with one of the many tutorials ConclusionThis short article showed the essential steps to install the Robot Operating System After trying an Installation on OsX I can only recommend to use an Ubuntu System either on a spare PC or on a Virtual Machine to achieve maximum capability and in order to use all ROS packages	2021-11-22 06:19:30
海外TECH	DEV Community	React / JSX Style Guide For Developers	https://dev.to/avanijoshi299/react-jsx-style-guide-for-developers-445n	React JSX Style Guide For DevelopersThe blog is originally written on my site crestinfosystems comStyle guides are written so that new developers may quickly become comfortable with a code base and then generate code that other developers can understand TABLE OF CONTENTS Basic Rules Naming Declaration Alignment Props Refs Tags Methods Ordering Code Style Best Practices For more information you can visit here	2021-11-22 06:14:19
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