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In this example, we will launch a basic EC2 Instance with Amazon Linux in the quickest manner possible via the AWS Management Console. Amazon frequently improves the user experience of the AWM Management console, so you might experience some changes to the screens below. Important: launching an in...

Using SBT to manage the library dependency, add this to build.sbt: libraryDependencies += "org.scalactic" %% "scalactic" % "3.0.0" libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.0" % "test" More details can be f...

import {User} from 'backend/user'; // import custom class import {inject} from 'aurelia-framework'; // allows us to inject @inject(User) // inject custom class export class ProfileView { constructor(user) { // use instance of custom class as a parameter to the constructor this.user = us...

public class Solution { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] ar = new int[n]; for(int i=0; i<n; i++) ar[i] = sc.nextInt(); quickSort(ar, 0, ar.length-1); } public static void quickSort(...

add_option function ins used to insert new row into options table. This will insert a new row in options table with option name some_option_name and value as some_option_value <?php add_option( 'some_option_name', 'some_option_value' ); ?>

update_option function is used to update a value that already exists in the options table. If the option does not exist, then the option will be added with the option value. This will set the default comment status to 'closed': update_option( 'default_comment_status', 'closed' );

The subprocess method that allows running commands needs the command in form of a list (at least using shell_mode=True). The rules to create the list are not always straightforward to follow, especially with complex commands. Fortunately, there is a very helpful tool that allows doing that: shlex. ...

It's quite simple to install wordpress in MAMP. You have to follow a few simple steps: 1 - Download MAMP from here, it's free and you probably don't need the pro version. 2 - Install on your PC or Mac. 3 - Run the program -> you will see a little window open, from there you can set MAMP. At t...

Default WooCommerce checkout form comes with several fields for customers to enter their billing details. But in some cases, you might want to hide some of these fields. For example, if you are selling only virtual products, you can get rid of fields like billing address. Use the following code sn...

data table; set table; length state_full $8; if state = 'KS' then state_full = 'Kansas'; else if state = 'CO' then state_full = 'Colorado'; else state_full = 'Other'; run;

These functions will hash either String or Data input with one of eight cryptographic hash algorithms. The name parameter specifies the hash function name as a String Supported functions are MD2, MD4, MD5, SHA1, SHA224, SHA256, SHA384 and SHA512 This example requires Common Crypto It is nece...

These functions will hash either String or Data input with one of eight cryptographic hash algorithms. The name parameter specifies the hash function name as a String Supported functions are MD5, SHA1, SHA224, SHA256, SHA384 and SHA512 This example requires Common Crypto It is necessary to h...

Entities can have passengers. A good example of a passenger is a Player riding a saddled pig, or a zombie inside a minecart. Although there are specific vehicles, any entity can be a vehicle for any other entity with the SetPassenger method. Entity vehicle; Entity passenger; boolean result = veh...

To retrieve a list of nearby entities of an entity, one can use List<Entity> nearby = entity.getNearbyEntities(double x, double y, double z); Bukkit will then calculate a bounding box centered around entity, having as parameters: x: 1/2 the size of the box along x axis y: 1/2 the size ...

Python allows you to hack list comprehensions to evaluate conditional expressions. For instance, [value_false, value_true][<conditional-test>] Example: >> n = 16 >> print [10, 20][n <= 15] 10 Here n<=15 returns False (which equates to 0 in Python). So what Python i...

SystemJS allows to write and use modular javacsript code that relies on ECMAScript 6 import and export statements. One good example is moment.js library, which started publishing ECMAScript 6 source code on npm since 2.10.0 release of moment.js. Installing prerequisites npm install moment npm ins...

var express = require('express'); var path = require('path'); var favicon = require('serve-favicon'); var app = express(); app.use(favicon(__dirname + '/public/img/favicon.ico')); app.use(express.static(path.join(__dirname, 'public'))); app.listen(3000, function() { console.log("...

var express = require('express'); var app = express(); var router = express.Router(); app.route('/user') .get(function (req, res) { res.send('Get a random user') }) .post(function (req, res) { res.send('Add a user') }) .put(function (req, res) { res.send...

The recommended approach would be to avoid doing so and rather use IOptions<TOptions> and IServiceCollection.Configure<TOptions>. That said, this is still pretty straightforward to make IConfigurationRootavailable application wide. In the Startup.cs constructor you should have the foll...

Install Java 8 from the Oracle website. (Optional) Install a Java build tool. Whether you choose to use Maven or Gradle, you normally don’t have to install anything, as JHipster will automatically install the Maven Wrapper or the Gradle Wrapper for you. If you don’t want to use those wrappers, ...