Tutorial by Examples: el

Style Guide and elm-format

The official style guide is located on the homepage and generally goes for: readability (instead of compactness) ease of modification clean diffs This means that, for example, this: homeDirectory : String homeDirectory = "/root/files" evaluate : Boolean -> Bool evalua...

Using select to reduce the number of fields

For performance reasons you should minimize the number of fields you are requesting from the API. You can use the select property to do so. This example fetches the name property of all accounts: $.ajax({ url: Xrm.Page.context.getClientUrl() + '/api/data/v8.0/accounts?$select=name', head...

Hello World

PROGRAM zhello_world. START-OF-SELECTION. WRITE 'Hello, World!'. Instead of printing to the console, ABAP writes values to a list which will be displayed as soon as the main logic was executed.

Switching between build types, e.g. debug and release

CMake knows several build types, which usually influence default compiler and linker parameters (such as debugging information being created) or alternative code paths. By default, CMake is able to handle the following build types: Debug: Usually a classic debug build including debugging informa...

Hello World as a Self-Executable File—using Shebang (Unix-like operating systems only)

You can add an interpreter directive (shebang) to your script. Create a file called hello_world.rb which contains: #!/usr/bin/env ruby puts 'Hello World!' Give the script executable permissions. Here's how to do that in Unix: $ chmod u+x hello_world.rb Now you do not need to call the Ru...

Show 'Hello World' Using WinAPI MessageBox

This program uses the Windows API (WinAPI) to print "Hello World" into a message box. To include a dependency (like Windows in this case), add the uses block including a comma-separated list of units ending with an semicolon. program HelloWorld; uses Windows; begin MessageBox...

Variant delegates

Delegates may have variant type parameters. delegate void Action<in T>(T t); // T is an input delegate T Func<out T>(); // T is an output delegate T2 Func<in T1, out T2>(); // T1 is an input, T2 is an output This follows from the Liskov Substitution Principle, w...

Kestrel. Configuring Listening Address

Using Kestrel you can specify port using next approaches: Defining ASPNETCORE_URLS environment variable. Windows SET ASPNETCORE_URLS=https://0.0.0.0:5001 OS X export ASPNETCORE_URLS=https://0.0.0.0:5001 Via command line passing --server.urls parameter dotnet run --server.urls=http...

Different selectors

You can select elements with different selectors : by tag : "div" by class : ".class" by id : "#id" by attribute : "[color=blue]" multiple selectors (OR): "div1, div2, class1" multiple selectors (AND): "div1 div2 class1"

Internal Table Loop

LOOP AT itab INTO wa. ENDLOOP. FIELD-SYMBOLS <fs> LIKE LINE OF itab. LOOP AT itab ASSIGNING <fs>. ENDLOOP. LOOP AT itab ASSIGNING FIELD-SYMBOL(<fs>). ENDLOOP. LOOP AT itab REFERENCE INTO dref. ENDLOOP. LOOP AT itab TRANSPORTING NO FIELDS. ENDLOOP. Conditional L...
ABAP • Loops

Hello World

<!DOCTYPE html> <html> <head> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/> <title>SAPUI5 Hello World</title> <!-- ...

Simple "Hello World" Project

Given a C++ source file main.cpp defining a main() function, an accompanying CMakeLists.txt file (with the following content) will instruct CMake to generate the appropriate build instructions for the current system and default C++ compiler. main.cpp (C++ Hello World Example) #include <iostream...

Hello World

File: test.cfm Tag Implementation <cfoutput>Hello World!</cfoutput> CFScript Implementation <cfscript> writeOutput("Hello World!"); </cfscript>

Hello World

Begin by including highcharts.js in your index.html <html> <head> <script src="http://code.highcharts.com/highcharts.js"></script> </head> Add a <div> to contain your chart <body> <div id="chart"> <!...

Delete a pattern from the beginning of a string

Shortest match: $ a='I am a string' $ echo "${a#*a}" m a string Longest match: $ echo "${a##*a}" string

Delete a pattern from the end of a string

Shortest match: $ a='I am a string' $ echo "${a%a*}" I am Longest match: $ echo "${a%%a*}" I

Hello World In groovy

Following example illustrate the simplest Hello World in groovy using script, place the following code snippet in a file, say helloWorld.groovy println 'Hello World!' How to execute: In the command line, groovy helloWorld.groovy Output: Hello World!

Delegated Events

Let's start with example. Here is a very simple example HTML. Example HTML <html> <head> </head> <body> <ul> <li> <a href="some_url/">Link 1</a> </li> &l...

Iterating over list of jQuery elements

When you need to iterate over the list of jQuery elements. Consider this DOM structure: <div class="container"> <div class="red one">RED 1 Info</div> <div class="red two">RED 2 Info</div> <div class="red three"...

Selecting siblings

To select siblings of an item you can use the .siblings() method. A typical example where you want to modify the siblings of an item is in a menu: <ul class="menu"> <li class="selected">Home</li> <li>Blog</li> <li>About</li&...

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