Tutorial by Examples: bas

Basic fluent assertion

Assert.That(actual, Is.EqualTo(expected));

nunit • Fluent Assertions

To create a custom template we first need to create php file in a theme directory. You can name it almost any way you want. For this example we will create example.php One and only thing we need to define inside our example.php, to be recognized by WordPress as a template, is template name. We do t...

WordPress • Creating a custom template

Defer Basics

A defer statement in Go is simply a function call marked to be executed at a later time. Defer statement is an ordinary function call prefixed by the keyword defer. defer someFunction() A deferred function is executed once the function that contains the defer statement returns. Actual call to th...

Go • Defer

Basic Enumeration Declaration

Standard enumerations allow users to declare a useful name for a set of integers. The names are collectively referred to as enumerators. An enumeration and its associated enumerators are defined as follows: enum myEnum { enumName1, enumName2, }; An enumeration is a type, one which is...

C++ • Enumeration

Basic StringRequest using GET method

final TextView mTextView = (TextView) findViewById(R.id.text); ... // Instantiate the RequestQueue. RequestQueue queue = Volley.newRequestQueue(this); String url ="http://www.google.com"; // Request a string response from the provided URL. StringRequest stringRequest = new String...

Android • Volley

Create archive of git repository based on specific branch, revision, tag or directory

It is also possible to create archives of other items than HEAD, such as branches, commits, tags, and directories. To create an archive of a local branch dev: git archive --output=archive-dev.zip --prefix=src-directory-name dev To create an archive of a remote branch origin/dev: git archive --...

Git • Archive

Pre-rebase

This hook is called before git rebase begins to alter code structure. This hook is typically used for making sure a rebase operation is appropriate. This hook takes 2 parameters: the upstream branch that the series was forked from, and the branch being rebased (empty when rebasing the current b...

Git • Hooks

Database Configuration

Database configuration of a rails project lies in a file config/database.yml. If you create a project using rails new command and don't specify a database engine to be used then rails uses sqlite as the default database. A typical database.yml file with default configuration will look similar to fol...

Ruby on Rails • Configuration

Basic example

By default, all the .panel does is apply some basic border and padding to contain some content. <div class="panel panel-default"> <div class="panel-body"> Basic panel example </div> </div>

twitter-bootstrap • Panels

Basic Type Conversion

There are two basic styles of type conversion in Go: // Simple type conversion var x := Foo{} // x is of type Foo var y := (Bar)Foo // y is of type Bar, unless Foo cannot be cast to Bar, then compile-time error occurs. // Extended type conversion var z,ok := x.(Bar) // z is of type Bar, o...

Go • Type conversions

Basic Routing

app.UseMvc(routes => { routes.MapRoute( name: "default", template: "{controller=Home}/{action=Index}/{id?}"); }); This will match requests for /Home/Index, /Home/Index/123 and /

asp.net-core • Routing

Basic Activity structure

Activity is the root UserInterface in Android and have it's own life-cycle. MainActivity.java public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Toast.makeText(this, "Activ...

android-activity • Hello World

Basic mechanism

Type erasure is a way to hide the type of an object from code using it, even though it is not derived from a common base class. In doing so, it provides a bridge between the worlds of static polymorphism (templates; at the place of use, the exact type must be known at compile time, but it need not b...

C++ • Type Erasure

Basic scraping with rvest

rvest is a package for web scraping and parsing by Hadley Wickham inspired by Python's Beautiful Soup. It leverages Hadley's xml2 package's libxml2 bindings for HTML parsing. As part of the tidyverse, rvest is piped. It uses xml2::read_html to scrape the HTML of a webpage, which can then be sub...

R Language • Web scraping and parsing

Basic request format

In HTTP 1.1, a minimal HTTP request consists of a request line and a Host header: GET /search HTTP/1.1 \r\n Host: google.com \r\n \r\n The first line has this format: Method Request-URI HTTP-Version CRLF Method should be a valid HTTP method; one of [1][2]: OPTIONS GET HEAD POST PUT ...

HTTP • HTTP requests

Using a base template

base.twig.html <!DOCTYPE html> <html> <head> <title>{{ title | default('Hello World') }}</title> <link rel="stylesheet" type="text/css" href="theme.css"> {% block css %} {% endblock %} &...

twig • Template inheritance

Add a Customizer Section With Basic Settings and their Controls

Panels can have sections, sections can have settings, and settings can have controls. Settings are saved in the database, while the controls for particular settings are only used to display their corresponding setting to the user. This code creates a basic section in the panel from above. Inside a...

WordPress • Customizer Basics (Add Panel, Section, Setting, Control)

Create a new Rails app with a non-standard database adapter

Rails is shipped by default with ActiveRecord, an ORM (Object Relational Mapping) derived from the pattern with the same name. As an ORM, it is built to handle relational-mapping, and more precisely by handling SQL requests for you, hence the limitation to SQL databases only. However, you can stil...

Ruby on Rails • Getting started with Ruby on Rails

Basic unit test example

This example is a basic setup for unittesting the StringBuilder.toString() using junit. import static org.junit.Assert.assertEquals; import org.junit.Test; public class StringBuilderTest { @Test public void stringBuilderAppendShouldConcatinate() { StringBuilder stringBui...

junit • Getting started with junit

Basic usage of Async/Await

You can start some slow process in parallel and then collect the results when they are done: Public Sub Main() Dim results = Task.WhenAll(SlowCalculation, AnotherSlowCalculation).Result For Each result In results Console.WriteLine(result) Next End Sub Async Functio...

Visual Basic .NET Language • Task-based asynchronous pattern