Tutorial by Examples: p

The tr method returns a copy of a string where the characters of the first argument are replaced by the characters of the second argument. "string".tr('r', 'l') # => "stling" To replace only the first occurrence of a pattern with with another expression use the sub method ...

We can use org.apache.commons.lang3.RandomUtils to generate random numbers using a single line. int x = RandomUtils.nextInt(1, 1000); The method nextInt(int startInclusive, int endExclusive) takes a range. Apart from int, we can generate random long, double, float and bytes using this class. R...

Any project that targets netstandard1.X can be packed into a NuGet package by running: dotnet pack The resulting package can be uploaded to NuGet, MyGet, or hosted in a local package source.

One Button Swift class ViewController: UIViewController { @IBAction func showAlertButtonTapped(sender: UIButton) { // create the alert let alert = UIAlertController(title: "My Title", message: "This is my message.", preferredStyle: UIAlertCo...

Below code showcases multiple Producer/Consumer program. Both Producer and Consumer threads share same global queue. import java.util.concurrent.*; import java.util.Random; public class ProducerConsumerWithES { public static void main(String args[]) { BlockingQueue<Integer> ...

Go to the GitHub website Open your repository Click Settings Under GitHub Pages, click "Launch Automatic Page Generator" Follow the instructions

Run the following command, replacing username with the username, to clone all of the GitHub repositories for that user to the current directory. curl "https://api.github.com/users/username/repos?page=1&per_page=100" | grep -e 'git_url*' | cut -d \" -f 4 | xargs -L1 git clone T...

Node modules import url from 'url'; import moment from 'moment'; Meteor packages import { Meteor } from 'meteor/meteor'; import { SimpleSchema } from 'meteor/aldeed:simple-schema';

In package.js: Npm.depends({ moment: "2.8.3" }); In a package file: import moment from 'moment';

// Default export export default {}; // Named export export const SomeVariable = {};

In your mainModule file: export const SomeVar = {};

From highest to lowest, this is the precedence table for Ruby. High precedence operations happen before low precedence operations. ╔═══════════════════════╦════════════════════════════════════════╦═════════╗ ║ Operators ║ Operations ║ Method? ║ ╠═══════════...

If a class raises a large the number of events, the storage cost of one field per delegate may not be acceptable. The .NET Framework provides event properties for these cases. This way you can use another data structure like EventHandlerList to store event delegates: public class SampleClass { ...

You can launch an application in several ways, depending on how you create you app. If your app is divided in two files ui.R and server.R or if all of your app is in one file. 1. Two files app Your two files ui.R and server.Rhave to be in the same folder. You could then launch your app by running ...

OperatorDescription==true if the two values are equal.!=true if the two values are not equal.<true if the value of the operand on the left is less than the value on the right.>true if the value of the operand on the left is greater than the value on the right.>=true if the value of the oper...

The best way to get started with Salesforce is to get your own Developer Edition. Developer Edition (often referred to as a "DE org") is a fully-featured development environment with limits on data and users. Developer Edition is where you can get familiar with the environment, try out st...

Html has beginnerProgram mostly for learning purposes. beginnerProgram is not capable of handling Subscriptions or running Commands. It is only capable of handling user input from DOM Events. It only requires a view to render the model and an update function to handle state changes. Example Con...

program is a good pick, when your application does not require any external data for initialization. It is capable of handling Subscriptions and Commands, which enables way more opportunities for handling I/O, such as HTTP communication or interop with JavaScript. The initial state is required to ...

programWithFlags has only one difference from program. It can accept the data upon initialization from JavaScript: var root = document.body; var user = { id: 1, name: "Bob" }; var app = Elm.Main.embed( root, user ); The data, passed from JavaScript is called Flags. In this example ...

Example demonstrates component composition and one-way message passing from parent to children. 0.18.0 Component composition relies on Message tagging with Html.App.map 0.18.0 In 0.18.0 HTML.App was collapsed into HTML Component composition relies on Message tagging with Html.map Example ...