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List<String> data = new ArrayList<>(); data.add("Sydney"); data.add("London"); data.add("New York"); data.add("Amsterdam"); data.add("Mumbai"); data.add("California"); System.out.println(data); List<String> sor...

For instance, a computation involving commands to read and write from the prompt: First we describe the "commands" of our computation as a Functor data type {-# LANGUAGE DeriveFunctor #-} data TeletypeF next = PrintLine String next | ReadLine (String -> next) derivin...

Create an application heroku create your-app-name Deploy to Heroku git push heroku master Open your application in a browser heroku open your-app-name List Heroku commands heroku commands General help heroku help Help for a specific command heroku help <command>

Constructor functions are functions designed to construct a new object. Within a constructor function, the keyword this refers to a newly created object which values can be assigned to. Constructor functions "return" this new object automatically. function Cat(name) { this.name = name;...

Each time you use a selector in jQuery the DOM is searched for elements that match your query. Doing this too often or repeatedly will decrease performance. If you refer to a specific selector more than once you should add it to the cache by assigning it to a variable: var nav = $('#navigation'); ...

Using the apt package manager sudo apt-get update sudo apt-get install nodejs sudo apt-get install npm sudo ln -s /usr/bin/nodejs /usr/bin/node # the node & npm versions in apt are outdated. This is how you can update them: sudo npm install -g npm sudo npm install -g n sudo n stabl...

There are two parts of a class: the interface and the implementation. The interface is the exposed functionality of the class. Its public methods and variables are part of the interface. The implementation is the internal workings of a class. Other classes shouldn't need to know about the implemen...

Encapsulation allows you to make internal changes to a class without affecting any code that calls the class. This reduces coupling, or how much any given class relies on the implementation of another class. For example, let's change the implementation of the Angle class from the previous example: ...

When implementing more than one interface that have methods of the same name that include default implementations, it is ambiguous to the compiler which implementation should be used. In the case of a conflict, the developer must override the conflicting method and provide a custom implementation. ...

First download anaconda from the Continuum site. Either via the graphical installer (Windows/OSX) or running a shell script (OSX/Linux). This includes pandas! If you don't want the 150 packages conveniently bundled in anaconda, you can install miniconda. Either via the graphical installer (Window...

Installing Jasmine standalone Download the latest Jasmine release from the Jasmine release page: Running Jasmine locally Run Jasmine in the browser by downloading the zip file, extracting it, the referencing the files as follows: <link rel="shortcut icon" type="image/png&qu...

A query engine is required in order to execute SPARQL queries over a dataset. Query engines may be embedded in applications, or accessed remotely. Remote access may be through a vendor-specific API, or through the SPARQL protocol if an implementation supports it. This documentation will not cover ho...

Forms can be defined, in a similar manner to models, by subclassing django.forms.Form. Various field input options are available such as CharField, URLField, IntegerField, etc. Defining a simple contact form can be seen below: from django import forms class ContactForm(forms.Form): contac...

Detailed instructions on getting Zend Framework 2 set up or installed. There are various ways of installing the framework. Below are some of them: Using Composer - Recommended way Assuming composer is installed on the target box. To install a skeleton MVC application, run in your terminal to crea...

use std::fs::File; use std::io::Read; fn main() { let filename = "src/main.rs"; // Open the file in read-only mode. match File::open(filename) { // The file is open (no error). Ok(mut file) => { let mut content = String::new(); ...

use std::fs::File; use std::io::{BufRead, BufReader}; fn main() { let filename = "src/main.rs"; // Open the file in read-only mode (ignoring errors). let file = File::open(filename).unwrap(); let reader = BufReader::new(file); // Read the file line by line us...

use std::env; use std::fs::File; use std::io::Write; fn main() { // Create a temporary file. let temp_directory = env::temp_dir(); let temp_file = temp_directory.join("file"); // Open a file in write-only (ignoring errors). // This creates the file if it doe...

In the Web App blade of the Azure Portal, click All settings > WebJobs to show the WebJobs blade: Click Add. The Add WebJob dialog appears. Under Name, provide a name for the WebJob. The name must start with a letter or a number and cannot contain any special characters other than...

composer require laravel/socialite This installation assumes you're using Composer for managing your dependencies with Laravel, which is a great way to deal with it.

/** * LoginController constructor. * @param Socialite $socialite */ public function __construct(Socialite $socialite) { $this->socialite = $socialite; } Within the constructor of your Controller, you're now able to inject the Socialite class that will help you handle login with so...