TECH |
Engadget Japanese |
10/8限定:アサヒ飲料の炭酸水やお茶、ジンジャーエールなどがお買い得! Amazonでタイムセール開催中 |
https://japanese.engadget.com/sale-drink-asahi-082049263.html
|
amazon |
2021-10-08 08:20:49 |
IT |
ITmedia 総合記事一覧 |
[ITmedia News] 公取委がスマホOSの市場調査へ 「iOSやAndroidに他のOSが競争圧力与えているか」 |
https://www.itmedia.co.jp/news/articles/2110/08/news143.html
|
android |
2021-10-08 17:26:00 |
TECH |
Techable(テッカブル) |
デジタルサンプルとAI需要予測でアパレルDXを推進するGOOD VIBES ONLY |
https://techable.jp/archives/164063
|
vibesonlygoodvibesonlyinc |
2021-10-08 08:00:33 |
python |
Pythonタグが付けられた新着投稿 - Qiita |
ABC189 C - Mandarin Orange に痺れた |
https://qiita.com/AKpirion/items/1b9c518ac0af02b071ef
|
ABCCMandarinOrangeに痺れたわ、わからん。 |
2021-10-08 17:38:16 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
Ruby on Rails 非同期のいいね機能が動かない |
https://teratail.com/questions/363463?rss=all
|
RubyonRails非同期のいいね機能が動かない前提・実現したいこと非同期でのいいね機能を作成しているのですが、いいねを押してもリロードをしても反応しません。 |
2021-10-08 17:56:02 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
vue.jsで動的に書き出したバナーをマウスオーバーするとズームアップさせたいが、うまく動作しない |
https://teratail.com/questions/363462?rss=all
|
なおnbspbannerperblocknbspnbspkeynbspnbspkeyimgnbspには正しい数値が表示されます。 |
2021-10-08 17:42:34 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
swiftでdecodeに失敗する |
https://teratail.com/questions/363461?rss=all
|
swiftでdecodeに失敗する楽天トラベルAPUを使ったAPIリクエストでdecodeに失敗しています。 |
2021-10-08 17:41:51 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
【Rails】wicked_pdf を導入しPDFを出力できたが、Heroku で日本語が表示されない |
https://teratail.com/questions/363460?rss=all
|
【Rails】wickedpdfを導入しPDFを出力できたが、Herokuで日本語が表示されない前提・実現したいことローカルでPDFを出力したときは、日本語が表示されるが、Herokuで日本語のみが表示されません。 |
2021-10-08 17:41:40 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
Access Select文におけるIIFとNZ |
https://teratail.com/questions/363459?rss=all
|
AccessSelect文におけるIIFとNZいつもお世話になっております。 |
2021-10-08 17:31:49 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
wordpressで作成したサイトが検索できない |
https://teratail.com/questions/363458?rss=all
|
serchnbspconsolenbsp |
2021-10-08 17:31:27 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
sed コマンドを利用した置換処理について |
https://teratail.com/questions/363457?rss=all
|
sedコマンドを利用した置換処理について前提・実現したいことCnbspのソースコードのプリプロセッサ命令の箇所のみを抽出して、ファイル毎に出力したい。 |
2021-10-08 17:31:20 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
blenderの辺に色がついてしまって削除できない |
https://teratail.com/questions/363456?rss=all
|
blender |
2021-10-08 17:24:58 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
Typescript 変数の中のobjectに存在しないプロパティを追加したい |
https://teratail.com/questions/363455?rss=all
|
main変数の中でObjectの中にプロパティを追加したいです。 |
2021-10-08 17:14:54 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
jupyter notebookでWordCloudを作成しましたが、あきらかに表示する文字数が少なすぎるので原因を探りたい |
https://teratail.com/questions/363454?rss=all
|
jupyternotebookでWordCloudを作成しましたが、あきらかに表示する文字数が少なすぎるので原因を探りたい以下のサイトを参考に、羅生門をWordCloud化しようとコピペして試みているのですがWordCloud内の文字数が数える程度しか表示されなくて、何が原因がわからずここから何を調べると参考サイトのようにたくさんの文字が表示されるようになるのか知りたいです。 |
2021-10-08 17:13:28 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
VB.NET UltraGridでマージしたセルを展開・収束する方法 |
https://teratail.com/questions/363453?rss=all
|
ultragrid |
2021-10-08 17:08:55 |
Program |
[全てのタグ]の新着質問一覧|teratail(テラテイル) |
長押し(ロングタップ)した時に表示される拡大鏡を抑止したい。iOS15-safari。 |
https://teratail.com/questions/363452?rss=all
|
前提・実現したいことiOSのsafariで、WEBページ上に表示されている要素canvasnbspbutton等を長押しした際に表示される拡大鏡を抑止したいです。 |
2021-10-08 17:06:53 |
golang |
Goタグが付けられた新着投稿 - Qiita |
一筋縄ではいかない GoでBZIP2を解凍 |
https://qiita.com/saliton/items/1a67dcaa8e4890908c48
|
神記事によるとなお、登録する関数はioReadCloserを返す必要がありますが、lzReaderは単なるioReaderで、Closeメソッドを持っていません。 |
2021-10-08 17:58:17 |
技術ブログ |
Developers.IO |
【書評】『Google Cloudのしくみと技術がしっかりわかる教科書』は、クラウド初心者から経験者までオススメできる一冊でした |
https://dev.classmethod.jp/articles/book-review-google-cloud-textbook/
|
cloud |
2021-10-08 08:57:04 |
技術ブログ |
Developers.IO |
[小ネタ]AWS Backup のバックアップウィンドウの「次の時間以内に開始」と「次の時間以内に完了」の設定項目について |
https://dev.classmethod.jp/articles/aws-backup-backupwindow-customize/
|
awsbackup |
2021-10-08 08:55:14 |
海外TECH |
DEV Community |
Deploying an discordjs bot to Qovery |
https://dev.to/janbang067/deploying-an-discordjs-bot-to-qovery-51e
|
Deploying an discordjs bot to Qovery Deploying simple discord js bot to Qovery Web console For free This post contains tutorial and the total code used in it Prerequisite GitHub account will be needed for keeping source code at an place and to be linked in Qovery Creating a Qovery accountAfter finising all necessary requirements you will need to open an account at Qovery Navigate to in your desired browser and click on either Sign in with GitHub or Sign in with GitLab upto you GitHub recommended You can create an account at GitHub or GitLab Choose the community plan as we want to deploy our apps for free In this tutorial we will use GitHub as our application source code is hosted there After login amp filling some optional forms this is where you should be Click at the purple button with the Create a project text to create a new project group Name it anything you like and click on Create Qovery will create a project group for you where you can host multiple applications to keep apps topics organized Now let s create a new environment After a project was successfully created you should see this screen Click on Create environment and name your environment For this tutorial I will name it discordjs qovery After creation you should see a screen similar to the one below Congratulations Your Qovery environment is now ready to use important Qovery gives you free credits in platform credits the system is on community plan which helps new users get started with Qovery platform you can earn credits by contributing back to community Now about the code part We are going to write the actual bot code now to work in Nodejs The code to make the bot The code is written in JavaScript so for beginners don t worry this will be easy let s get into coding You may create index js file for the bot s main file where the bot s central functions work Update You don t need to use the package json provided in tutorial you can clone the repo in your local machine delete the package json file which came from this repo and then run npm init command and use that package json generated by node Coding of the bot First we want to make sure that discord js package is included in code so we can interact with discord api to make the bot and the require classes to make the bot smoothly working const Client Intents require discord js Then we will want to create an system from where JavaScript will fetch token from other file and send it to index js so you will need to add the following code too const token require config json Then we want to make sure the client is created to be used const client new Client intents Intents FLAGS GUILDS We add prefix to bot else the bot won t respond to commands we will need to add the following code const prefix can be edited You can change the prefix to whatever you want like A etc Next we need to see whether the bot is ready to be online without errors so we add an console log code when the bot is ready without any issues it will simply use this code and your bot will have an activity saying prefix by default you can change it later on you will need to add the following code client on ready gt console log client user username Ready to be in qovery client user setActivity prefix the console log content can we edited too Then we want to have some clear error message caused by our code so we add another code to see what s clearly wrong with our code client on error console error Now we arrived to our first command called ping client on message gt if message content prefix ping message reply pong Getting our bot token After we done all this let s leave the coding part temporarily we need to fetch bot token from discord developer portal first we will open and login with discord if you didn t now steps to fetch a bot token Create a new app name it whatever you like but for this tutorial I will name it Qoverydjs After creating a new discord app you will need to create a bot which will be existing in the app by clicking the button shown below After clicking on the bot button create a new bot name it as you like Fetching bot token after You created a new bot you must be at this screen Then click on the copy button at the screen so we can save it to use it later Final steps of the main part So as we got the bot token next step is we will go back to code part and create config json file where our bot token will be stored safely and put the following code in it you will need to replace Your bot token here with your actual bot token token Your bot token here Final part of our code is to make our bot code complete save the config json file and move to index js file and add this code at the last line client login token last step of code Okay so this is what index js file should be like by now const Client Intents require discord js const token require config json const client new Client intents Intents FLAGS GUILDS client on ready gt console log client user username Ready to be in qovery client user setActivity prefix client on error console error client on message gt if message content prefix ping message reply pong Login to Discord with your client s tokenclient login token and our config json file should be like token bot token Save the code and move to final process given below Dockerizing app to deploy to Qovery Next we will need to create A file called Dockerfile so Qovery can build an container image and deploy our bot after creating the Dockerfile you will need to follow the given steps below First we need to specify the node version to be used we will be using Node v by adding the follwing code in Dockerfile we can specify the node version FROM node As we need bot to be hosted in a fixed directory and make it work directory which will copy all the code and build from there we create an mkdir command we can use the command by specifying it in Dockerfile we will need to add the follwing code RUN mkdir p usr src appWORKDIR usr src app We will create an file called package json and add the following code to specify the packages we want to install or in simple words we tell Dockerfile to fetch dependencies names and install them name qovery discordjs version description main index js scripts start node index js test echo Error no test specified amp amp exit repository type git url git keywords author license ISC bugs url homepage readme dependencies discord together discord js ffmpeg static fs genius lyrics ms path As we created package json we can move further and add the following code in Dockerfile from which required packages are installed COPY package json Now we will need to tell docker to install all the packages from package json so the dependencies are installed and copied to the directory we made to make the bot work RUN npm installCOPY Final Dockerfile part we will need to execute the index or main file of bot by specifying to docker in this tutorial we made index js main file of the bot so we add the code given below CMD node index js So as the Dockerfile part is finished this is how it should look like FROM node WORKDIR appCOPY package json RUN npm installCOPY CMD node index js As we finished the Dockerfile part we will need to tell docker and git to ignore some directories so the packages are installed based on our app and not based on existing app s code i We will create dockerignore file to tell docker to ignore some directories after the creation of dockerignore we will add the follwing code to node modulesnpm debug log ii We will create gitignore to specify which directories should be ignore while cloning the repo to somewhere node modulesAfter saving the two files we will head back to Qovery web console Deploying to QoveryNow that we have got our project and environment ready lets head to Qovery Console and create a new applicationFill out the name of your application choose the GitHub repository and the branch and change the build mode to Dockerfile and click on Create button After creation you should see a screen like this From here you will just need to click on the Actions button and from there select the Deploy option leave the port blank as we are not deploying any web server for serving apis through the bot In this tutorial After approximately minutes of waiting your bot should be deployed successfully on Qovery After that you may check whether the bot is running or not in your server If the bot is responding then Congratulations you have just deployed your bot to Qovery GitHub repo Thanks for reading |
2021-10-08 08:48:24 |
海外TECH |
DEV Community |
What is a REST API ? |
https://dev.to/thenerdydev/what-is-a-rest-api-288l
|
What is a REST API Hey everyone In this article let us learn about one of the most important concepts that you as a backend developer must have a solid knowledge of because anyways working with an API is a big part of your jobs and that is REST APIs REST APIsActual definition Representational state transfer REST is a software architectural style that was created to guide the design and development of the architecture for the World Wide Web REST defines a set of constraints for how the architecture of an Internet scale distributed hypermedia system such as the Web should behave The REST architectural style emphasises the scalability of interactions between components uniform interfaces independent deployment of components and the creation of a layered architecture to facilitate caching components to reduce user perceived latency enforce security and encapsulate legacy systems Now you must be wondering What the heck does this mean Anyways let us make it super simple and understand what a REST API is piece by piece Now before we understand why we use a REST API we first need to understand what problems does it solve REST APIs are there to solve one problem you can say that not every frontend UI requires HTML pages Not every UI wants your server code to generate HTML pages which effectively is the UI Think about mobile apps these apps typically do not work with server side rendered HTML code They do not need a templating language on server side to render the HTML code because you use a rich suite of prebuilt libraries for UI provided by Google or Apple to build your UI in the respective IDEs of these programming languages You build these User Interfaces totally decoupled from your server side logic You don t want HTML code because you can t really render it there Obviously you have browsers in your phone and that will render HTML pages But most of the applications do not use HTML to build their user interfaces but the tools that are provided by Google or by Apple and then you only need data to fill these user interfaces to life For building these amazing and sleek looking user interfaces on the frontend we have frontend technologies like React Angular Vue etc So we have a frontend that is decoupled from a certain backend logic like Google Maps Server and we only exchange data because we don t need the HTML code but just the data We built the User Interface on our own So we just need a backend server that can typically serve us just the data that we need and then we can easily fabricate our user interfaces as per our requirements So this in essence is the core idea behind the REST APIs REST stands for Representational State Transfer which means that we transfer data some form of state you could say instead of user interfaces We just want our server to send us data and we leave it to our client side app be it a mobile application or be it a single page application to do whatever it wants to do with this data Thus in traditional web applications we rendered the views on the server side using templating engines and handled both the data and the UI This is not bad at all it is a common pattern for a lot of web applications Traditional Web Apps and REST APIs ONLY THE RESPONSE DATA DIFFERSOften traditional web applications and the REST APIs are seen as totally two different things They are not they only differ in the response and the kind of data that you expect but they don t differ at the server besides the fact that you do not render the view there on the server Here we use all knowledge that we gathered we only fine tune the data handling and finally deliver it to the client in the format in which it is required by the client A MAGNIFIED AND CRYSTAL CLEAR PICTURE OF THE REST APIsSo consider this scenario where we have our client a mobile app SPA and then we have our server on which we build our backend REST API Now one possible advantage of this can be that we can make one and the same API for handling multiple clients and this is possible because both our mobile apps and web apps rely on the same data source right In fact both the apps are same and consume the same data source The only difference could be on how they present this data in their user interfaces Contrary to this we can also have kind of a traditional application which just needs our service APIs And in all such applications it is the data which is exchanged between the client and the server WHAT FORMAT DO WE EXCHANGE THE DATA INSome of the common formats that we most likely see are HTML XML JSON etc So there are different kinds of data that we can attach to the request and the response objects So we can send plain text XML or we could even send JSON There are different kinds of data that we can attach to the request and the response objects We can send plain text XML or we could send JSON XMLIt looks a lot like HTML XML allows us to use any tags It allows us to send any data and does not make assumptions about the user interface because it is not parsable by browsers They are user defined elements These are machine readable but relatively verbose but you can define clear structures here Here an XML parser is needed because node traversal in XML node tree is kind of a challenge in itself So in essence you need an XML parser to efficiently parse the XML data JSONJSON is kind of a defacto standard for data interchange in web applications Here also we work on just the data and the JSON does not make assumptions about the user interface It is machine readable and a bit more concise than XML and can easily be converted to Javascript This is a huge plus when working with Node js on the server and JavaScript on the browser It is the most common format used in any of the APIs that you are communicating with these days Routing and HTTP methodsNow we know our web works on request and response cycle So we have a client that interacts with the server in form of requests and response to get the data that it needs and more Check my video on Client Server Architecture to know more regarding this So this is how we communicate with our server In the REST World these communications take place in form of paths which are known as API EndpointsAPI ENDPOINT ANY COMBINATION OF THE HTTP METHOD AND THE RESPECTIVE PATH These are the endpoints that we define on our REST API and wealso define some logic that should get fired when such a request reaches our end point HTTP METHODSMore than just GET AND POST These are only when we are working with links and forms we have other HTTP methods as well that the browser natively knows of So here is a short summary of the HTTP methods that our request client has access to GET Get a resource from the serverPOST Post a resource to the server which is responsible for creating or appending a resource to an already existing array of resources so to say PUT Put a resource onto the server i e create or overwrite a resource Post should never overwrite an existing resource though it can do but it is not recommended PATCH Update parts of the existing resource on the server not overwriting the entire resource but the parts of it DELETE Delete a resource on the server OPTIONS Determine whether follow up request is allowed sent automatically by the browser This is automatically sent by the browser to find if the next request it tries to do is allowed or not It is the best practice to use these methods in this way though you can do anything you want This way any one who uses your API clearly knows what to expect for a given method REST PRINCIPLES Uniform interface clearly defined API endpoints with clearly defined request and response structures IOW your API should be predictable and also it should be well documented if it is open to the public So people should know what data your API expects and what data it gives back Stateless interactions When building the server and the client the server and the client are totally decoupled and they don t share a common history every request is handled separately And therefore no sessions can be used since no connection history is shared among the client and the server Every incoming request is treated as if no prior request was sent Server has a look on every request on its own It does not store a session about the client You can just build an API and open it to the public and just present the documentation of its usage to the client You don t care at all about the clients You just say here is the endpoints I have here is the data you get for each of the well defined endpoints So in essence we have a strong decoupling between the client and the server even if they were to run on the same server because we are building the API for our application so that they work independently from each other and just exchange data without sharing the connection history CacheableYou could send the client some response headers telling the client for how long the response is valid Servers may set caching headers to allow the client to cache responses Client ServerClient and Server are separated client is not concerned with persistent data storage It is the responsibility of the server Layered SystemAs a client we send a request to a server we can t rely on that server we sent it to to immediately handle the request the server may handle the request to other server or distribute it to other servers if it is busy Ultimately we care about the data that we get back which should follow the structure that was defined by the API Code on DemandREST API could also for some end points transfer executable code to the client So this is it for this article Thanks for reading Don t forget to leave a like if you loved the article Also share it with your friends and colleagues PS If you are looking to learn Web Development I have curated a FREE course for you on my YouTube Channel check the below article Web Developer Full Course HTML CSS JavaScript Node js and MongoDB The Nerdy Dev・Apr ・ min read html css node javascript Looking to learn React js with one Full Project check this out Learn React with one BIG Project NOTES included Demo and Video Link The Nerdy Dev・Jun ・ min read daysofcode javascript react webdev |
2021-10-08 08:40:10 |
海外TECH |
DEV Community |
Node.js from Beginners to Advance |
https://dev.to/aviyel/node-js-from-beginners-to-advance-31id
|
Node js from Beginners to AdvanceWhat is NodeJs Nodejs is a javascript runtime environment So what exactly is the javascript runtime You may be familiar with the term javascript Javascript is a programming language that you may use to control your DOM in your browser and helps to play with the page loaded in the browser It is a browser based scripting language that allows you to interact with a page after it has been loaded making it a critical component in developing interactive user interfaces in the browser However javascript has other exciting uses as well Nodejs is a modified version of javascript with added features So in a nutshell Node js takes javascript and places it in a new environment You might say that allows you to run javascript code on the server but it can theoretically run on any system As a result you can use javascript in places other than the browser as if it were another standard programming language Hence node js is an excellent solution for creating server side web apps So servers are essentially just computers linked to the internet and running anywhere in the world So we can utilize Node js to run javascript outside of the browser which is excellent Nodejs makes use of v Google s javascript engine V takes your javascript code and compiles it to machine code V is written in C however you don t need to write any C code to utilize javascript or Node js So Node js takes the v codebase written in C and adds functionalities like dealing with your local file system opening files reading files and deleting files all of which are unavailable in the browser Because you can t access your local filesystem in the browser due to security concerns so if you install Node js afterward you ll be able to use the expanded v version In a nutshell Nodejs allows you to run JavaScript on your computer and adds helpful functionality to the JavaScript engine enabling you to do even more insane and fantastic things Creating one simple first demo application const fs require fs fs writeFileSync “Hello txt Hello There So now we have a basic understanding of what Nodejs is and how to use it Run Node js on a server to write server side code This is when this server enters the picture With the server a computer and IP associated run some code on that server that does something with the incoming request and provides a response an HTML page that the browser can then show By the way it s not always simply HTML it might also include CSS files or Javascript files that contain javascript code for the browser rather than the server We now do operations on the server that aren t possible on the browser for performance or security reasons To fetch and save data we link to databases We perform user authentication to make it more secure which we can only do on a location that the user cannot access We utilize it for input validation to determine if a user typed in the correct e mail address and our business logic is stored on the server Everything that our user shouldn t view since it takes too long to load in the browser We obviously want to provide a fast user experience so we use Node js and javascript code but this time not on the browser but on the server where we implement these features that Node js provides and this is how we indirectly allow our users to interact with the server through that request response pattern So we ll utilize Node js in this session in the same way we ll use it to develop server side code that produces data that our users and clients can work with And it s worth noting that Node js isn t just for running code on a server it s also a javascript runtime which as you ve seen doesn t require the use of a browser itself Nodejs is also frequently used for additional programmings such as local utility scripts or build tools Suppose you want to dabble with react angular vue or anything similar In that case you ll be using Node js indirectly a lot for all the build processes that these languages or frameworks require because Node js is a fantastic tool for developing utility scripts Nodejs has a significant advantage or at least one significant advantage in that it uses Javascript This language is widely used in current web development for all frontend and build tools and if you can use it on the server side you won t have to learn many different languages You can write your node code in one of two ways One method is to create executable files while the other is to use REPL If you simply type node into your terminal you are now in the REPL which you can tell by the fact that the complete path of your computer name is no longer included at the start You may use node commands like console log two plus two or writing and interacting with files from there The lines are not self contained and the downside of using a REPL is you lose the entire code after closing So that s why we utilize executable files to save them for later How does the web work Let s imagine you re sitting in front of your computer and you re now visiting a webpage causing engagement Assume you re visiting your browser and type in a URL What happens behind the scenes is that the browser contacts some domain name servers to look up that domain because this domain isn t really your server s address it s just an encoded human readable version of that address Your server has an IP address assigned to it As a result you or your browser sends a request to that server at that IP address Finally we ve arrived at the point when Node js comes into action and your Node js code is critical You build the code that runs on that Internet computer with that specific IP address and you write the code that starts up that server that can handle the incoming request and do something with it In this code you can do things like validating user input communicating with the database which may operate on a different database server but which you usually reach out to from your backend and sending back a response to the client This response could be some HTML text or HTML code which the client would handle or some other type of data such as a file JSON or XML data The response here is more than just the content and remember both the response and request have headers so this is how the web works in general The transmission of requests and responses is done via a protocol where HTTP and HTTPS come into play HTTP HyperText Transfer Protocol A protocol for transferring data that is understood by the browser and the server HTTPS HyperText Transfer Protocol Secure A protocol for securely transferring data that is understood by the browser and the server Creating own server const http require http const server http createServer req res gt console log req server listen We will be creating our own server for this project So for that we will be utilizing the createServer method that HTTP provides Node JS Program Lifecycle We used node app js to run that file because it was named app js This essentially launched the script in which Node js went through the entire file parsed the code registered the variables and functions and so on effectively reading our full code and executing it But then something strange happened we never left that program The reason is a key concept in Node js called the event loop It s a loop process managed by Node js that keeps running as long as there is work to be done or event listeners registered We passed a function to construct a server which is essentially a continuous event listener that we didn t unregister from and that we shouldn t because our server should be active at all times So this event loop is in charge of our primary node application Nodejs employs an event driven method for a variety of tasks not simply server management The entire node process runs on a single thread on our PC Now as you might expect if we build a server with Node js it should be able to handle multiple millions of incoming requests If it had to pause and then do something with each request constantly that would be inefficient so it uses the event loop concept where it keeps running in the end and only executes code when a specific event occurs so it s always available While this may appear to be okay if we have two incoming requests it must handle two events and yes it is extremely fast in handling these requests It does some multi threading behind the scenes by exploiting the capabilities of the operating system Exiting from the event loopconst http require http const server http createServer req res gt console log req process exit server listen process exit simply unregister end quit the entire processCode SectionUnderstanding the Requestconst http require http const server http createServer req res gt console log req url req method req headers process exit server listen Sending the responseconst http require http const server http createServer req res gt console log req url req method req headers process exit res setHeader Content Type text html res write lt html gt res write lt head gt lt title gt My First Page lt title gt lt head gt res write lt body gt lt h gt Hello From Node js Server lt h gt lt body gt res write lt html gt res end server listen Routing the requestconst http require http const server http createServer req res gt const url req url if url res setHeader Content Type text html res write lt html gt res write lt head gt lt title gt Server lt title gt lt head gt res write lt body gt lt form action message method POST gt lt input type text value gt lt form gt lt body gt res write lt html gt return res end else if url secondserver res setHeader Content Type text html res write lt html gt res write lt head gt lt title gt Server Page second lt title gt lt head gt res write lt body gt lt h gt Welcome to the Internet lt h gt lt body gt res write lt html gt res end res setHeader Content Type text html res write lt html gt res write lt head gt lt title gt Server Page second lt title gt lt head gt res write lt body gt lt h gt Welcome to the Internet lt h gt lt body gt res write lt html gt res end server listen Redirecting Requestsconst http require http const fs require fs const server http createServer req res gt const url req url const method req method if url res setHeader Content Type text html res write lt html gt res write lt head gt lt title gt Server lt title gt lt head gt res write lt body gt lt form action message method POST gt lt input type text value gt lt form gt lt body gt res write lt html gt return res end if url message amp amp method POST fs writeFileSync testing txt YOLO WORLD res statusCode res setHeader Location return res end res setHeader Content Type text html res write lt html gt res write lt head gt lt title gt Server Page second lt title gt lt head gt res write lt body gt lt h gt Welcome to the Internet lt h gt lt body gt res write lt html gt res end server listen Parsing the request bodiesconst http require http const fs require fs const server http createServer req res gt const url req url const method req method if url res write lt html gt res write lt head gt lt title gt Server lt title gt lt head gt res write lt body gt lt form action message method POST gt lt input type text name message value gt lt form gt lt body gt res write lt html gt return res end if url message amp amp method POST const body req on data chunk gt console log chunk body push chunk req on end gt const parseBody Buffer concat body toString const message parseBody split fs writeFileSync testing txt message res statusCode res setHeader Location return res end res setHeader Content Type text html res write lt html gt res write lt head gt lt title gt Server Page second lt title gt lt head gt res write lt body gt lt h gt Welcome to the Internet lt h gt lt body gt res write lt html gt res end server listen Streams and Buffers Streams are used in Node to handle and process streaming data such as videos huge files and so on All streams in Node js are managed via the streams module There are four different types of streams in Node Readable streams To produce a stream of data that can be read use readable streams Writable streams It is used to produce a data stream that can be written to Duplex stream To construct a stream that is both reading and writable at the same time use duplex streams A duplex stream can be read and written to for example a socket connection between a client and a server Transform streams To make a readable and written stream with the ability to modify data while reading and writing to it BuffersStreams are based on the concept of buffering A buffer is a piece of temporary memory used by a stream to store data until it is used Click here for full articleFollow aviyelHQ or sign up on Aviyel for early access if you are a project maintainer contributor or just an Open Source enthusiast Twitter gt Official Site gt |
2021-10-08 08:36:16 |
海外TECH |
Engadget |
Apple opens its Detroit Developer Academy to 100 students |
https://www.engadget.com/apple-has-opened-its-detroit-developer-academy-to-100-students-080721814.html?src=rss
|
Apple opens its Detroit Developer Academy to studentsApple has opened its Developer Academy in Detroit first announced early this year as part of its Racial Equity and Justice initiative The project done in collaboration with Michigan State University MSU has welcomed its first students aged to for a month quot comprehensive app development and entrepreneurial training quot program Apple wrote in a newsroom post nbsp The custom designed space is located in the First National Building in downtown Detroit Apple noted that enrollment is free and that students don t need any previous coding experience quot Students in this year s class bring a breadth of personal professional and academic experience to the program quot it said nbsp The Academy will run two courses The first is a day introductory program and the main month course teaches iOS app development and associated fields such as design and marketing Technically it actually opened a bit earlier this fall for a four week basic coding course run for a quot smaller cohort of community partners quot Apple said The academy expects roughly people to complete the courses annually nbsp |
2021-10-08 08:07:21 |
医療系 |
医療介護 CBnews |
空港検疫、外国籍コロナ陽性が前週比1.2倍に-厚労省が実績更新、陽性率は日本国籍者の3.7倍 |
https://www.cbnews.jp/news/entry/20211008171127
|
厚生労働省 |
2021-10-08 17:30:00 |
金融 |
ニッセイ基礎研究所 |
景気ウォッチャー調査(21年9月)~緊急事態宣言の解除決定で、景況感が大幅改善 |
https://www.nli-research.co.jp/topics_detail1/id=68935?site=nli
|
第波の懸念もあり大きく好転とはいかないが、今よりは良くなるとみている東北・観光型旅館経営者新型コロナウイルス感染者数の減少に、やや明るさが見え始めているものの、次の感染拡大第波を懸念して、アルバイト、パート社員採用にシフトする企業が顕著になってきている甲信越・民間職業紹介機関経営者ワクチン接種が進むことで、新型コロナウイルスの新規感染者数や重症者数が減少すると思うが、季節が変わり空気が乾燥する時期となるため、先行きは不透明である四国・一般レストラン経営者nbspnbspお願い本誌記載のデータは各種の情報源から入手・加工したものであり、その正確性と安全性を保証するものではありません。 |
2021-10-08 17:36:55 |
ニュース |
BBC News - Home |
Millions urged to get flu jab and Covid booster this winter |
https://www.bbc.co.uk/news/health-58836218?at_medium=RSS&at_campaign=KARANGA
|
circulate |
2021-10-08 08:09:56 |
ニュース |
BBC News - Home |
Energy prices: Significant rises to come, says regulator Ofgem |
https://www.bbc.co.uk/news/business-58840537?at_medium=RSS&at_campaign=KARANGA
|
ofgem |
2021-10-08 08:36:34 |
ニュース |
BBC News - Home |
Newcastle takeover heartbreaking, says Khashoggi fiancee |
https://www.bbc.co.uk/sport/football/58840250?at_medium=RSS&at_campaign=KARANGA
|
newcastle |
2021-10-08 08:01:28 |
ニュース |
BBC News - Home |
Ronaldo civil rape case must be dismissed - judge |
https://www.bbc.co.uk/sport/football/58840227?at_medium=RSS&at_campaign=KARANGA
|
cristiano |
2021-10-08 08:21:20 |
ニュース |
BBC News - Home |
Newcastle United takeover: Joyous scenes as fans celebrate new era |
https://www.bbc.co.uk/news/uk-england-tyne-58841152?at_medium=RSS&at_campaign=KARANGA
|
crowds |
2021-10-08 08:46:59 |
ニュース |
BBC News - Home |
Climate change: Is the UK on track to meet its targets? |
https://www.bbc.co.uk/news/58160547?at_medium=RSS&at_campaign=KARANGA
|
commitments |
2021-10-08 08:31:43 |
ビジネス |
ダイヤモンド・オンライン - 新着記事 |
米国の制裁で打撃受けたファーウェイ - WSJ発 |
https://diamond.jp/articles/-/284394
|
米国 |
2021-10-08 17:01:00 |
GCP |
Google Cloud Platform Japan 公式ブログ |
Pub/Sub Lite 予約を使って低コストで簡単にスループット容量を管理 |
https://cloud.google.com/blog/ja/products/data-analytics/easier-and-cheaper-with-pubsub-lite-reservations/
|
予約を設定しない場合、各トピックのパーティションをピーク時のスループットに合わせてプロビジョニングする必要があります。 |
2021-10-08 10:00:00 |
GCP |
Google Cloud Platform Japan 公式ブログ |
新しい統合型ソリューションを使ったコールセンターでの Chrome OS の活用 |
https://cloud.google.com/blog/ja/products/chrome-enterprise/chrome-os-contact-center/
|
安全なプラットフォームとリモート管理クラウドファーストかつ管理しやすいオペレーティングシステムであるChromeOSにより、リモートのエージェントをサポートしながらコールセンターの保護と最適化が可能コールセンター向けの検証済みソリューションChromeEnterpriseRecommended向けの新たなソリューショントラックを通じてChromeOS用に最適化された新しいコールセンターソリューション仮想デスクトップインフラストラクチャへのアクセスChromeOSとCitrixWorkspaceが、コールセンター向けのCitrixReadyの検証済みソリューションであることによる確実性エージェントの周辺機器とデバイス新たな認定済みWorksWithChromebookのヘッドセットと、拡大し続けるChromeOSデバイスのエコシステムChromeOSは、ChromeOSデバイス、コールセンター向けのChromeEnterpriseRecommendedソリューション、WorkswithChromebookの機器などの完全統合型コールセンターソリューションを提供します。 |
2021-10-08 09:00:00 |
GCP |
Google Cloud Platform Japan 公式ブログ |
Anthos on GKE を Terraform でデプロイする パート 2: Policy Controller によるガードレール |
https://cloud.google.com/blog/ja/topics/anthos/using-terraform-to-enable-policy-controller-on-a-gke-cluster/
|
前回の記事と例では、Terraformを使ってクラスタを作成し、その構成をGitからConfigSync経由で管理する方法を説明しました。 |
2021-10-08 09:00:00 |
北海道 |
北海道新聞 |
きのとやが大丸札幌に旗艦店 企業ブランド刷新へ衣替え |
https://www.hokkaido-np.co.jp/article/597997/
|
道内 |
2021-10-08 17:09:00 |
北海道 |
北海道新聞 |
東京、新規感染138人 新型コロナ、18人死亡 |
https://www.hokkaido-np.co.jp/article/597996/
|
新型コロナウイルス |
2021-10-08 17:05:00 |
北海道 |
北海道新聞 |
超大型の台風18号発生 先島諸島に大きな影響の恐れ |
https://www.hokkaido-np.co.jp/article/597995/
|
先島諸島 |
2021-10-08 17:03:00 |
北海道 |
北海道新聞 |
半導体工場誘致で数千億円支援 政府、経済安保強化へ補正計上 |
https://www.hokkaido-np.co.jp/article/597994/
|
誘致 |
2021-10-08 17:01:00 |
ニュース |
Newsweek |
危険な熱帯感染症で4歳の少女が脳にダメージ、感染経路は自宅の水槽か |
https://www.newsweekjapan.jp/stories/world/2021/10/post-97233.php
|
|
2021-10-08 17:20:00 |
IT |
週刊アスキー |
新作MMORPG『ELYON』LV30付近のエリア「蛮族の海辺」や「夕焼けの丘」などを紹介 |
https://weekly.ascii.jp/elem/000/004/071/4071536/
|
elyon |
2021-10-08 17:40:00 |
GCP |
Cloud Blog JA |
Pub/Sub Lite 予約を使って低コストで簡単にスループット容量を管理 |
https://cloud.google.com/blog/ja/products/data-analytics/easier-and-cheaper-with-pubsub-lite-reservations/
|
予約を設定しない場合、各トピックのパーティションをピーク時のスループットに合わせてプロビジョニングする必要があります。 |
2021-10-08 10:00:00 |
GCP |
Cloud Blog JA |
新しい統合型ソリューションを使ったコールセンターでの Chrome OS の活用 |
https://cloud.google.com/blog/ja/products/chrome-enterprise/chrome-os-contact-center/
|
安全なプラットフォームとリモート管理クラウドファーストかつ管理しやすいオペレーティングシステムであるChromeOSにより、リモートのエージェントをサポートしながらコールセンターの保護と最適化が可能コールセンター向けの検証済みソリューションChromeEnterpriseRecommended向けの新たなソリューショントラックを通じてChromeOS用に最適化された新しいコールセンターソリューション仮想デスクトップインフラストラクチャへのアクセスChromeOSとCitrixWorkspaceが、コールセンター向けのCitrixReadyの検証済みソリューションであることによる確実性エージェントの周辺機器とデバイス新たな認定済みWorksWithChromebookのヘッドセットと、拡大し続けるChromeOSデバイスのエコシステムChromeOSは、ChromeOSデバイス、コールセンター向けのChromeEnterpriseRecommendedソリューション、WorkswithChromebookの機器などの完全統合型コールセンターソリューションを提供します。 |
2021-10-08 09:00:00 |
GCP |
Cloud Blog JA |
Anthos on GKE を Terraform でデプロイする パート 2: Policy Controller によるガードレール |
https://cloud.google.com/blog/ja/topics/anthos/using-terraform-to-enable-policy-controller-on-a-gke-cluster/
|
前回の記事と例では、Terraformを使ってクラスタを作成し、その構成をGitからConfigSync経由で管理する方法を説明しました。 |
2021-10-08 09:00:00 |
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