Tutorial by Examples: bas

Get some basic browser data and return it as a JSON object

The following function can be used to get some basic information about the current browser and return it in JSON format. function getBrowserInfo() { var json = "[{", /* The array containing the browser info */ info = [ navigator.userA...

JavaScript • Navigator Object

Basics

GSP supports the usage of <% %> scriptlet blocks to embed Groovy code (this is discouraged): <html> <body> <% out << "Hello GSP!" %> </body> </html> You can also use the <%= %> syntax to output values, like in JSP: <htm...

grails • GSP

Basics of Higher Order Functions

Review Partial Application before proceeding. In Haskell, a function that can take other functions as arguments or return functions is called a higher-order function. The following are all higher-order functions: map :: (a -> b) -> [a] -> [b] filter :: (a -> Bool) -> [a] ...

Haskell Language • Higher-order functions

Retrieve Basic Server Information

SELECT @@VERSION Returns the version of MS SQL Server running on the instance. SELECT @@SERVERNAME Returns the name of the MS SQL Server instance. SELECT @@SERVICENAME Returns the name of the Windows service MS SQL Server is running as. SELECT serverproperty('ComputerNamePhysicalNetBIOS'...

Microsoft SQL Server • Getting started with Microsoft SQL Server

Using Statements and Database Connections

The using keyword ensures that the resource defined within the statement only exists within the scope of the statement itself. Any resources defined within the statement must implement the IDisposable interface. These are incredibly important when dealing with any connections that implement the IDi...

C# Language • Using Statement

Basic Function Usage

A basic function is defined and executed like this: function hello($name) { print "Hello $name"; } hello("Alice");

PHP • Functions

Defining a Basic Class

An object in PHP contains variables and functions. Objects typically belong to a class, which defines the variables and functions that all objects of this class will contain. The syntax to define a class is: class Shape { public $sides = 0; public function description() { ...

PHP • Classes and Objects

Javassist Basic

Javassist is a bytecode instrumentation library that allows you to modify bytecode injecting Java code that will be converted to bytecode by Javassist and added to the instrumented class/method at runtime. Lets write the first transformer that actually take an hypothetical class "com.my.to.be....

Java Language • Bytecode Modification

Basic SFML program

If everything whas been set up correctly, the following snippet will show a window titled "SFML works!" with a green circle: #include <SFML/Graphics.hpp> int main() { sf::RenderWindow window(sf::VideoMode(200, 200), "SFML works!"); sf::CircleShape shape(100.f...

sfml • Getting started with sfml

Basic Example

Database connections are set up using the CF Administrator tool. See Database Connections for how to connect a datasource. To execute queries all you need is the <cfquery> tag. The <cfquery> tag connects to and opens the database for you, all you need to do is supply it with the name of...

coldfusion • Database Queries

Basic class decorator

A class decorator is just a function that takes the class as its only argument and returns it after doing something with it: function log<T>(target: T) { // Do something with target console.log(target); // Return target return target; } We can then apply ...

TypeScript • Class Decorator

Basic usage

Create an input (or button, or anchor) html element and call button() method of jQuery UI. <script> $(function() { $( "#myButton" ).button(); }); </script> HTML <input type="button" value="A button" id="myButton">

jQuery UI Library • Button

Setting up a basic app with SWRevealViewController

Create a basic application with single view application template with swift as language Add SWRevealViewController.h and SWRevealViewController.m then click on Create Bridging Header button and add #import "SWRevealViewController.h" on the Bridging header Then select viewControll...

iOS • SWRevealViewController

Setting up a WebRTC-based communication system

To setup a WebRTC-based communication system, you need three main components: A WebRTC signaling server To establish a WebRTC connections, peers need to contact a signaling server, which then provides the address information the peers require to set up a peer-to-peer connection. Signaling serv...

webrtc • Getting started with webrtc

Basic usage

To include a database in your app, you typically derive a class from SQLiteOpenHelper: public class HelloDBHelper extends SQLiteOpenHelper { private static final int DATABASE_VERSION = 1; private static final int DATABASE_NAME = "hello"; HelloDBHelper(Context context) {...

android-sqlite • Getting started with android-sqlite

Basic usage

For a thick arrow pointing north in a span, add classes ui-icon and ui-icon-arrowthick-1-n: <span class="ui-icon ui-icon-arrowthick-1-n"></span> For a triangle pointing south in a span, add classes ui-icon and ui-icon-triangle-1-s: <span class="ui-icon ui-icon-tria...

jQuery UI Library • Icons

Basic Model

This example shows how to define a simple model in Sails.js You can generate an empty model file by typing sails generate model car You'll find the new file Car.js in api/models/. Next, you fill in some details. modules.exports = { tableName : 'cars', connection : 'mongodb', attr...

sails.js • Models

Basic SELECT from table

Select all columns from some table (system table in this case): SELECT * FROM sys.objects Or, select just some specific columns: SELECT object_id, name, type, create_date FROM sys.objects

Microsoft SQL Server • SELECT statement

Get UIButton's size strictly based on its text and font

To get the the exact size of a UIButton's text based on its font, use the function intrinsicContentSize. Swift button.intrinsicContentSize.width Objective-C button.intrinsicContentSize.width;

iOS • UIButton

Get UILabel's size strictly based on its text and font

NSString provides method boundingRectWithSize which can be used to predict the resulting CGSize of a UILabel based on its text and font without the need of creating a UILabel Objective-C [[text boundingRectWithSize:maxSize options:(NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesLineF...

iOS • UILabel