Tutorial by Examples: l

A common pattern in C, to easily imitate returning multiple values from a function, is to use pointers. #include <stdio.h> void Get( int* c , double* d ) { *c = 72; *d = 175.0; } int main(void) { int a = 0; double b = 0.0; Get( &a , &b ); pr...

The Clojure community puts a large emphasis on interactive development, so quite a lot of interaction with Clojure happens within a REPL (read-eval-print-loop). When you input an expression into it, Clojure reads it, evaluates it, and prints the result of the evaluation, all in a loop. You should b...

Multiple inheritance is a feature that allows one class to inherit from multiple classes(i.e., more than one parent). Ruby does not support multiple inheritance. It only supports single-inheritance (i.e. class can have only one parent), but you can use composition to build more complex classes using...

Executable File Download the .exe from http://dev.sitecore.net/ and double-click to start. This .exe will do everything for you - attach databases, modify host file, and set folder permissions. The only downside is that it leaves an entry in the registry under [HKEY_LOCAL_MACHINE\SOFTWARE\Sitecore...

For installation instructions on elixir check here, it describes instructions related to different platforms. Elixir is a programming language that is created using erlang, and uses erlang's BEAM runtime (like JVM for java). We can use elixir in two modes: interactive shell iex or directly running...

A Java object may declare a finalize method. This method is called just before Java releases the memory for the object. It will typically look like this: public class MyClass { //Methods for the class @Override protected void finalize() throws Throwable { // Cleanup co...

You can manually trigger the Garbage Collector by calling System.gc(); However, Java does not guarantee that the Garbage Collector has run when the call returns. This method simply "suggests" to the JVM (Java Virtual Machine) that you want it to run the garbage collector, but does not ...

Setting a default value can be done by using Initializers (C#6) public class Name { public string First { get; set; } = "James"; public string Last { get; set; } = "Smith"; } If it is read only you can return values like this: public class Name { pu...

An example that uses Parallel.ForEach loop to ping a given array of website urls. static void Main() { string [] urls = { "www.stackoverflow.com", "www.google.net", "www.facebook.com", "www.twitter.com" ...

An example that uses Parallel.For loop to ping a given array of website urls. static void Main() { string [] urls = { "www.stackoverflow.com", "www.google.net", "www.facebook.com", "www.twitter.com" }; ...

Invoking methods or actions in parallel (Parallel region) static void Main() { string [] urls = { "www.stackoverflow.com", "www.google.net", "www.facebook.com", "www.twitter.com" }; System.Thr...

To start development with Elm, you need to install a set of tools called elm-platform. It includes: elm-make, elm-reactor, elm-repl and elm-package. All of these tools are available through CLI, in other words you can use them from your terminal. Pick one of the following methods to install Elm: ...

Working in old browsers (IE >= 8) Automatic margins, paired with values of zero for the left and right or top and bottom offsets, will center an absolutely positioned elements within its parent. View Result HTML <div class="parent"> <img class="center" src=&quo...

Detailed instructions on getting kentico set up or installed.

Download and unzip the GWT SDK. This contains the core libraries, compiler, and development server that you need to write web applications. On Windows, extract the files from the compressed folder gwt-2.7.0.zip. On Mac or Linux, you can unpack the package with a command like: unzip gwt-2.7.0.zip ...

${#array[@]} gives the length of the array ${array[@]}: array=('first element' 'second element' 'third element') echo "${#array[@]}" # gives out a length of 3 This works also with Strings in single elements: echo "${#array[0]}" # gives out the lenght of the string at ele...

The function is_array() returns true if a variable is an array. $integer = 1337; $array = [1337, 42]; is_array($integer); // false is_array($array); // true You can type hint the array type in a function to enforce a parameter type; passing anything else will result in a fatal error. funct...

Content has been moved back to good 'ol JSP wiki page

slice1 := []string{"!"} slice2 := []string{"Hello", "world"} slice := append(slice1, slice2...) Run in the Go Playground

This Makefile will cross compile and zip up executables for Windows, Mac and Linux (ARM and x86). # Replace demo with your desired executable name appname := demo sources := $(wildcard *.go) build = GOOS=$(1) GOARCH=$(2) go build -o build/$(appname)$(3) tar = cd build && tar -cvzf $...