If you are trying to ignore changes to a file that's already tracked in the repository (e.g. a dev.properties file that you would need to change for your local environment but you would never want to check in these changes) than what you want to do is: git update-index --assume-unchanged If you wanna start tracking changes again git...

How to start Angular 2 Application on a Custom port other than 4200 You can start the angular project using the angular cli using command ng serve The above command will start the project on port 4200. If you want to start the application on a prot different that 4200 then you can start the project using the...

How to Inject Nested Services in Component Let's create a service url.service.ts that will will be injected in other services. import { Injectable } from '@angular/core'; @Injectable() export class UrlService{ // business logic } Now lets create another service http.service.ts that will Inject this service. import { UrlService } from './url.service.ts'; export class HttpService extends UrlService{ // business...

Install and Setup Angular Before we start, lets install the angular cli with the following command npm install -g @angular/cli Angular CLI is a tool that can make a new project, compile your typescript files, configure your typescript compiler run your code with live preview, build and package your project. NoteMake sure you have latest node and npm...

Uninstall global node dependency To uninstall a node dependency installed with -g command you can use the following command. npm uninstall -g <dependency> The above command will remove that dependency from your system. Uninstall node dependency To remove a dependency from your project you can use the following command. npm uninstall <dependency> This will remove the dependency and...

Points to Remember If you are installing node for the first time then, use the NodeSource PPA and first choose the version of node you want to install. Following are the sources for the node versions for Node.js v4 curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash - for Node.js v5 curl -sL https://deb.nodesource.com/setup_5.x | sudo -E bash -...

What is Identity == operator In Java, == operator is used for checking the reference of objects. In Groovy, it is used to check if the object are equals, i.e it is the implementation of equals() method in java. == operator in In java, checks the reference of the objects. In groovy, == is equivalent to .equals() and...