Tutorial by Examples: l

Inline SVG

Inline SVG allows SVG markup, written within HTML, to generate graphics in the browser. When using SVG inline, a DOCTYPE is not strictly required. Instead just the <svg> opening and closing tags together with either a viewBox or width and height attributes will suffice: <svg width="1...

SVG • Getting started with SVG

Installation or Setup

Detailed instructions on getting apache set up or installed. Ubuntu Installation sudo apt-get install apache2 Windows Installation Check out the WAMP stack. WAMP stands for Windows, Apache, MySQL, PhpMyAdmin. CentOS Installation Apache 2.2 comes with CentOS6, whereas 2.4 comes with Cen...

apache • Getting started with apache

Installation or Setup

There are two common ways to install Groovy. Download The Groovy binary can be downloaded on the download page of the Groovy website. You can unpack archive and add path to %GROOVY_HOME%/bin/groovy.bat to the PATH system environment variable, where %GROOVY_HOME% is the directory where Groovy is un...

groovy • Getting started with groovy

Installation or Setup

https://vaadin.com/framework/get-started

vaadin • Getting started with vaadin

Installation or Setup

Detailed instructions on getting orchardcms set up or installed.

orchardcms • Getting started with orchardcms

Smoother loading of items

If the items in your RecyclerView load data from the network (commonly images) or carry out other processing, that can take a significant amount of time and you may end up with items on-screen but not fully loaded. To avoid this you can extend the existing LinearLayoutManager to preload a number of...

Android • RecyclerView

Hello World application

To create and run new WPF project in Visual Studio: Click File → New → Project Select template by clicking Templates → Visual C# → Windows → WPF Application and press OK: Open MainWindow.xaml file in Solution Explorer (if you don't see Solution Explorer window, open it by clicking V...

wpf • Getting started with wpf

Hello World!

We start with creating an HTML page for the app. There we define the meta tags, a script tag to load the SAPUI5 libraries, and a placeholder for the content of the app. <!DOCTYPE html> <html> <head> <meta http-equiv="X-UA-Compatible" content="IE=edge"...

sapui5 • Getting started with sapui5

Show 'Hello World' using the VCL

This progam uses VCL, the default UI components library of Delphi, to print "Hello World" into a message box. The VCL wrapps most of the commonly used WinAPI components. This way, they can be used much easier, e.g. without the need to work with Window Handles. To include a dependency (lik...

Embarcadero Delphi • Getting started with Embarcadero Delphi

Hello World

Create hello.py: from flask import Flask app = Flask(__name__) @app.route('/') def hello(): return 'Hello, World!' Then run it with: export FLASK_APP=hello.py flask run * Running on http://localhost:5000/ Adding the code below will allow running it directly with python hello...

Flask • Getting started with Flask

Installation or Setup

Visual Studio can be downloaded and installed for free in Comunity edition from the Microsoft site and can be also found in different versions. Just click on the Download button and run the executable, then follow the instructions.

Visual Studio • Getting started with Visual Studio

Do not name a variable with an existing function name

There is already a function sum(). As a result, if we name a variable with the same name sum = 1+3; and if we try to use the function while the variable still exists in the workspace A = rand(2); sum(A,1) we will get the cryptic error: Subscript indices must either be real positive integer...

MATLAB Language • Common mistakes and errors

Installation or Setup

rx-java set up Gradle compile 'io.reactivex:rxjava2:rxjava:2.1.1' Maven <dependency> <groupId>io.reactivex.rxjava2</groupId> <artifactId>rxjava</artifactId> <version>2.1.1</version> </dependency> Ivy <dependency...

rx-java • Getting started with rx-java

Creating a new project in Visual Studio (console application) and Running it in Debug mode

Download and install Visual Studio. Visual Studio can be downloaded from VisualStudio.com. The Community edition is suggested, first because it is free, and second because it involves all the general features and can be extended further. Open Visual Studio. Welcome. Go to File → New ...

C# Language • Getting started with C# Language

Combining selectors

Consider following DOM Structure <ul class="parentUl"> <li> Level 1 <ul class="childUl"> <li>Level 1-1 <span> Item - 1 </span></li> <li>Level 1-1 <span> Item - 2 </span></li&gt...

jQuery • Selectors

Basic Loop

for is the only loop statement in go, so a basic loop implementation could look like this: // like if, for doesn't use parens either. // variables declared in for and if are local to their scope. for x := 0; x < 3; x++ { // ++ is a statement. fmt.Println("iteration", x) } //...

Go • Loops

Listening for SharedPreferences changes

SharedPreferences sharedPreferences = ...; sharedPreferences.registerOnSharedPreferenceChangeListener(mOnSharedPreferenceChangeListener); private final SharedPreferences.OnSharedPreferenceChangeListener mOnSharedPreferenceChangeListener = new SharedPreferences.OnSharedPreferenceChangeListener(...

Android • SharedPreferences

Delete a remote branch

To delete a branch on the origin remote repository, you can use for Git version 1.5.0 and newer git push origin :<branchName> and as of Git version 1.7.0, you can delete a remote branch using git push origin --delete <branchName> To delete a local remote-tracking branch: git bra...

Git • Branching

unless

A common statement is if !(some condition). Ruby offers the alternative of the unless statement. The structure is exactly the same as an if statement, except the condition is negative. Also, the unless statement does not support elsif, but it does support else: # Prints not inclusive unless 'hell...

Ruby Language • Control Flow

Checking if a value exists in array

The function in_array() returns true if an item exists in an array. $fruits = ['banana', 'apple']; $foo = in_array('banana', $fruits); // $foo value is true $bar = in_array('orange', $fruits); // $bar value is false You can also use the function array_search() to get the key of a specifi...

PHP • Arrays