Tutorial by Examples: i

ng build –prod Above given command with extra option like –prod would generate the production build project bundle. Once the above command gets executed in the root directory of your project would appear a directory called dist. In which all the production build bundle of your project appears in ...

Once the dist directory is ready with your production built bundles. Just open the dist directory and open the command prompt type the following command to create the war file to deploy your project on apache tomcat server. jar cvf dist.war . Once the above jar commands gets executed. It wou...

Cut/Copy the dist.war file from dist directory and place it in apache tomcat webapp directory. Go to apache tomcat bin folder and double click on startup.bat file. Now tomcat server will execute dist.war file and startup the tomcat catalina server. Once the tomcat catalina server gets started o...

interface IArrayWrapper { public function getProperties(): array; public function has(string $name): bool; public function __toString(); // ... }; /** * Lightweight in-place data wrapper. * Demonstrates usage of anonymous class in conjunction with interface. * * Pro...

Install virtualenv via pip / (apt-get): pip install virtualenv OR apt-get install python-virtualenv Note: In case you are getting permission issues, use sudo.

If you look at the bin directory in your virtualenv, you’ll see easy_install which has been modified to put eggs and packages in the virtualenv’s site-packages directory. To install an app in your virtual environment: $ source test_project/bin/activate $ pip install flask At this time, you do...

lsvirtualenv : List all of the environments. cdvirtualenv : Navigate into the directory of the currently activated virtual environment, so you can browse its site-packages, for example. cdsitepackages : Like the above, but directly into site-packages directory. lssitepackages : Shows contents of ...

The window.postMessage() method together with its relative event handler window.onmessage can be safely used to enable cross-origin communication. The postMessage() method of the target window can be called to send a message to another window, which will be able to intercept it with its onmessage e...

&& has precedence over ||, this means that parentheses are placed to evaluate what would be evaluated together. c++ uses short-circuit evaluation in && and || to not do unnecessary executions. If the left hand side of || returns true the right hand side does not need to be evaluate...

To execute a Redis command using Jedis, you make method calls against the Jedis object you created from the pool. Jedis exposes Redis commands as method calls, some example are: - String get(String key) - Long geoadd(String key, double longitude, double latitude, String member) - List<String...

Many C++ libraries use enums and return/receive data using vectors that contain enums. As C enums are not Objective-C objects, Objective-C collections cannot be used directly with C enums. The example below deals with this by using a combination of an NSArray and generics and a wrapper object for th...

cljs-time gives us option to add/subtract date-times to other date-times. The date times added subtracted should be in form of days, months, years, hours etc. (require '[clj-time.core :as t]) (def example-date (t/date-time 2016 1 1)) ;; #<DateTime 2016-01-01T00:00:00.000Z> ;; Addition ...

List<Integer> immutableEmptyList = List.of(); Initializes an empty, immutable List<Integer>. List<Integer> immutableList = List.of(1, 2, 3, 4, 5); Initializes an immutable List<Integer> with five initial elements. List<Integer> mutableList = new ArrayL...

Service that is used for communication: import { Injectable } from '@angular/core'; import { Subject } from 'rxjs/Subject'; @Injectable() export class ComponentCommunicationService { private componentChangeSource = new Subject(); private newDateCreationSource = new Subject<Date&...

Model: public class User { public int ID { get; set; } public string FirstName { get; set; } public DateTime DateOfBirth { get; set; } } If we want to display the users in different Views, it would be better to create a standardized layout for these users wherever they need...

Display Templates can be used to standardize the layout of an object, so let's now see how we can do the same thing for these objects when editing them. Just like display templates, there's two ways to call editor templates for a given type: Html.EditorFor() Html.EditorForModel() Editor templat...

Sometimes you need to create your own Event, one that other plugins can listen to (Vault, among other plugins, does this) and even cancel. Bukkit's Event API allows this to be possible. All you need to do is make a new class, have it extend Event, add the handlers and the attributes your event needs...

So first we will create rails project and setup device create a rails application rails new devise_example now add devise to gem list you can find a file named 'Gemfile' at the root of rails project Then run bundle install Next, you need to run the generator: rails generate devise:insta...

What is it? BuildTools.jar is a solution to building Bukkit, CraftBukkit, Spigot, and the Spigot-API. All of which is done on your computer! A few prerequisite programs are necessary, but the instructions below will guide you through everything you need to do. Prerequisites There are two applicat...

If you have a lot of commands, you shouldn't put them all in the main class. Make a new class and have it implement CommandExecutor Add the following to the class: @Override public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) { } In your...