How to make Jenkins build NodeJS, Ruby, and Maven on Docker

How To Make Jenkins Build #NodeJS, #Ruby, And #Maven On #Docker  #reactjs #containers #devops

  • Jenkins can speed up repetitive tasks that robots are much better performing and Docker simplifies spinning up VM’s for your application in a very simple and repeatable way.
  • What I’m going to cover here is how to setup your Jenkins server in a Docker container and how to fix some of the limits of the Jenkins official image.
  • While it is nice of Jenkins to offer an official docker image, you’ll quickly run into a few issues if you are doing anything even slightly other than compiling plain Java.
  • For instance, Maven, the popular dependency management tool for Java, is not included in the Docker container.
  • You’ve learned to create a Jenkins Docker-container that’s ready to run jobs for Java, Ruby and NodeJS projects.

Setup your Jenkins server in a Docker container and fix some of the limits of the official image I discovered so you can get up and building faster.
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How to Build a Simple Blog Using React and GraphQL

How to Build a Simple Blog Using React and GraphQL

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#Reactjs #GraphQL

  • How to Build a Simple Blog Using React and GraphQL – – In this tutorial I’m going to show you how to create a simple blog using React, GraphQL and Cosmic JS.
  • View the demo – – Install the Simple React Blog on Cosmic JS – – View the codebase on GitHub – – Make sure that you have Node.js and NPM installed on your machine, if not, visit the Node.js website to install the latest version.
  • This is the abridged version of the Simple React Blog available for download in the Cosmic JS Apps page.
  • The full codebase includes a single post page view as well as a page dedicated to each author’s posts.
  • View the full codebase on GitHub and deploy this app in a few clicks from your Cosmic JS dashboard by installing the app to your Cosmic JS Bucket.

How to Build a Simple Blog Using React and GraphQL
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The Official Microsoft ASP.NET Site

  • The product(s) you are about to install leverage the Web Platform Installer (WebPI) for installation.
  • By downloading and using the Web Platform Installer (WebPI), you agree to the license terms and privacy statement for WebPI.
  • This installer will contact Microsoft over the Internet to retrieve product information.
  • WebPI uses the Microsoft Customer Experience Improvement Program (CEIP), which is turned on by default, see privacy statement for more information.
  • To view which software uses CEIP, see here.

Home of the Microsoft ASP.NET development community. Download Visual Studio, post to the forums, read ASP.NET blogs and learn about ASP.NET.
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Mern Stack Crud App Using create-react-app & React Redux Part 1.

Mern Stack Crud App Using create-react-app & React Redux Part 1.

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#Reactjs #Redux

  • js – import express from ‘express’; – import path from ‘path’; – import bodyParser from ‘body-parser’; – import logger from ‘morgan’; – import mongoose from ‘mongoose’; – import bb from ‘express-busboy’;// import routes – import todoRoutes from define our app using express – const app = express();// express-busboy to parse…
  • /h2′); – });// start the server – app.listen(port,() = { – console.log(`App Server Listening at ${port}`); – });The above code sets up a express app, with an /api route points to a Let’s create this express from ‘express’;//import controller file – import * as todoController from get an instance of…
  • get(todoController.getTodo) – default router;Create a controller file todo.server.controller.js in a new folder called controllers to handle the CRUD functionality at the mongoose from ‘mongoose’;//import models – import Todo from const getTodos = (req,res) = { – Todo.find().
  • So create a new directory in the express-server folder called models and then create another file in that called mongoose from ‘mongoose’;var Schema = mongoose.Schema({ – createdAt:{ – type: Date, – default: Date.now – }, – fullName: String, – todoText: String – });export default mongoose.model(‘Todo’, Schema);Even though Node.js supports many…
  • js – import express from ‘express’; – import path from ‘path’; – import bodyParser from ‘body-parser’; – import logger from ‘morgan’; – import mongoose from ‘mongoose’; – import SourceMapSupport from ‘source-map-support’;// import routes – import todoRoutes from define our app using express – const app = express();// “*”); – “Origin,…

The MERN (MongoDB, Express, ReactJs, Node.js) stack is arguably the most popular stack for any web application these days. Our application is a basic crud application tutorial that will help you get…
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How to handle state in React. – React Ecosystem – Medium

How to handle state in React. The missing FAQ.

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#Reactjs #javascript

  • Each one corresponding to the way you create the component: – // Using React.createClass – var Counter = React.createClass({ – getInitialState: function() { – return {counter: 0}; – }, – …});// Using ES6 classes – class Counter extends React.Component { – constructor(props) { – super(props); – this.state = {counter: 0};…
  • Let’s exemplify: – // Don’t duplicate data from props in state – // Antipatternclass Component extends React.Component { – constructor(props) { – super(props); – this.state = {message: props.message}; – } – – render() { – return div{this.state.message}/div; – } – }The problem with the above example is it will only…
  • You can do better just by avoiding this situation: – // Better exampleclass Component extends React.Component { – render() { – return div{this.props.message}/div; – } – }The same applies when you hold state based on props calculation: – // Don’t hold state based on props calculation – // Antipatternclass Component…
  • // Antipatternclass Component extends React.Component { – constructor(props) { – super(props); – this.state = {count: 0}; – } – – render() { – return div{this.state.count}/div; – } – – componentDidMount() { – const interval = setInterval(() = ( – this.setState({count: this.state.count + 1}) – ), 1000); this.setState({interval}); – } componentWillUnmount()…
  • Let’s experiment a little bit to see what happens: – class Component extends React.Component { – constructor(props) { – super(props); – this.state = {count: 0}; – this.onClick = this.onClick.bind(this); – } – – render() { – return div } – – onClick() { – this.setState({count: this.state.count + 1}); – }…

Recently there has been a lot of debate about how to manage the state in React. Some claim that setState() doesn’t work as you might expect. That you have to externalize the state using a Flux-like…
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Introducing the React Context API

  • The new React Context API is touted (at least on Twitter and a number of articles) as solving the need to use a state management tool, when I think in reality what it solves is easy dependency injection: Take something that lives at the top of your app and directly…
  • It essentially gives you an easy way to have state live at the top level in your component tree ( in this case) but “inject” it as a prop in a lower level component in the state tree.
  • A Consumer works hand-in-hand with the Context’s Provider, essentially allowing you to reach into your Context, and easily inject the Context’s value into a component, skipping many levels in the component tree.
  • Now that we’ve set up our Context and have created the Provider which wraps our app at the top level, we can now inject its into any of our lower level components.
  • When thinking of how to organize an app which uses React Context, I wanted to avoid having the Consumer code in the same file as the component which it “wraps”… the reason for this is because it makes it difficult to test the component in isolation.

We’ll take a look at the new React Context API, how to use it, what it does, and if it should replace Redux or MobX for your go-to state management option.
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How To Open Source Parts Of Your Private Project With Bit

  • Using Bit, you can isolate these sets of files (we call code components) from your project and share them with the open source community, while keeping their source project private and intact.
  • js – │ └── index.js – └── utils – └── noop.jsBefore Bit, we would have to create a new GitHub project for this component, remove hello-world from your private project and make all its dependancies (packages as well as other files from the project) available for the new project.
  • With Bit, you can keep this component as part of your private project and still make it available to the community to discover, use and collaborate on.
  • Open source parts of your project to the communityTo make sure your components are truly executable outside of the project’s context, Bit will build an isolated component environment and apply all configured extensions to test, compile or perform any other defined task.
  • You can also use bit import to bring the component’s source code into other projects, develop them and merge changes between different projects.

How to make parts of your private projects open source and make their components available to the community without having to split your repositories or create new projects on GitHub. Learn more.
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7 Best Javascript Frameworks 2018 For Web Developers

  • Node.js provides server-side scripting feature as javascript Frameworks to runs server-side scripts to produce dynamic web page content.
  • Angular JS 2 stand among the most popular Javascript frameworks which is used by many developers to build and maintain complex web applications.
  • It contains different functionalities similar to other javaScript frameworks contains  which support other parts of the application in a form of services & also improves the existing modules into ES6 modules.
  • Vue collaborates with WEEX, which is a cross-platform UI framework which uses Vue as its best Javascript frameworks for runtime which helps to use same Vue component syntax as well as other components that cannot be rendered in the Browser & also natively on iOS and Android.
  • Hence, Many JavaScript frameworks offer innovative features to manage complexity in web applications with an integrated development toolkit that enables rapid iteration.

JavaScript is a scripting language used in web development to add dynamic and interactive elements to the websites using various Javascript Frameworks
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