Tutorial by Examples: ar

You can also create your own sidebar file in the theme to call it on different templates. Copy and paste sidebar.php of current theme and change the name (i.e. sidebar-book.php) In the template you can call this sidebar using get_sidebar('book'). Using this you can call different sidebars on diffe...

POSIX.1-2008 Given the name of a server as a string, char* servername, and a port number, int port, the following code creates and opens a socket connected to that server. The "name" of the server can either be a DNS name, such as "www.stackoverflow.com," or an IP address in sta...

There are only 4 character operators, in their order of precedence: OperatorDescription()Parentheses for grouping. Note: VFP documentation, that I have, misses this one. Without this, - operator is almost always useless.+Concatenates (joins) strings side by side.-Concatenates strings by moving the ...

[![Sample equation][1]][1] sympy provides its solution as a Python set of expressions in terms of parametric variables, as shown here in the final line. >>> from sympy.solvers.diophantine import diophantine >>> from sympy import var >>> x,y,z=var('x y z') >>>...

This small example shows how you can lose backward compatibility in your programs if you do not take care in advance about this. And ways to get more control of serialization process At first, we will write an example of the first version of the program: Version 1 [Serializable] class Data { ...

First step : PCL part using Xamarin.Forms; namespace ProjectNamespace { public class ExtendedFrame : Frame { /// <summary> /// The corner radius property. /// </summary> public static readonly BindableProperty CornerRadiusProperty = ...

Swift Import the Core Motion library: import CoreMotion Next, we need to create a CMAltimeter object, but a common pitfall is to create it in the viewDidLoad(). If done that way, the altimeter won’t be accessible when we need to call a method on it. Nevertheless, go ahead and create your CMAlti...

call :tohex 14 result rem More code... :tohex <innum> <outvar> set dec=%1 set outvar=%~2 rem %n and %~n are functionally identical, but %~n is slightly safer. goto :eof This takes the additional parameters from the call as if the function was a separate Batch file. Note: the ...

For this demonstration we will use service broker construction created in another part of this documentation. Mentioned part is called 3. Create basic service broker construction on database (single database communication). First we need to create a procedure that is able to read and process data f...

npm install --global yarn If you didn't have npm installed before, check there website documentation for more details. https://yarnpkg.com/en/docs/install

For the most of it, if you know NPM, you’re already set! That adds a ‘package.json’ file in the root of your project npm init === yarn init These are all the same: npm link === yarn link npm outdated === yarn outdated npm publish === yarn publish npm run === yarn run npm cache clean === ya...

Yarn can check the licenses of your dependencies and can also generate a license based on your package's dependencies. yarn licenses yarn licenses generate

yarn why package-name will identify why a package is installed and which other packages depend upon it. yarn why react

To illustrate how to use regr_slope(Y,X), I applied it to a real world problem. In Java, if you don't clean up memory properly, the garbage can get stuck and fill up the memory. You dump statistics every hour about memory utilization of different classes and load it into a postgres database for anal...

/** * Runs user-specified code when the given javascript object is garbage collected */ template<class CALLBACK_FUNCTION> void global_set_weak(v8::Isolate * isolate, const v8::Local<v8::Object> & javascript_object, CALLBACK_FUNCTION function) { struct SetWeakCallbackData{...

When a Component is resolved from the Windsor container it must have a definition of the scope it is in. By scope meaning if and how it is reused and when to release the object for the Garbage Collector to destroy. This is the LifeStlye of the Component. The way to specify a LifeStyle is by registe...

The idea is to have one or more control machines from where you can issue ad-hoc commands to remote machines (via ansible tool) or run a sequenced instruction set via playbooks (via ansible-playbook tool). Basically, we use Ansible control machine, this will typically be your desktop, laptop or s...

Passport must be initialized using passport.initialize() middleware. To use login sessions, passport.session() middleware is required. Note that passport.serialize() and passport.deserializeUser() methods must be defined. Passport will serialize and deserialize user instances to and from the sessi...

template<class ... Types> struct Tuple {}; A parameter pack is a template parameter accepting zero or more template arguments. If a template has at least one parameter pack is a variadic template.

The pattern parameter_pack ... is expanded into a list of comma-separated substitutions of parameter_pack with each one of its parameters template<class T> // Base of recursion void variadic_printer(T last_argument) { std::cout << last_argument; } template<class T, class .....