Tutorial by Topics: am

The $ character introduces parameter expansion, command substitution, or arithmetic expansion. The parameter name or symbol to be expanded may be enclosed in braces, which are optional but serve to protect the variable to be expanded from characters immediately following it which could be interprete...

#include <stdio.h> /* Include this to use any of the following sections */ FILE *fopen(const char *path, const char *mode); /* Open a stream on the file at path with the specified mode */ FILE *freopen(const char *path, const char *mode, FILE *stream); /* Re-open an existing stream on the...

[default-capture, capture-list] (argument-list) mutable throw-specification attributes -> return-type { lambda-body } // Order of lambda specifiers and attributes. [capture-list] (argument-list) { lambda-body } // Common lambda definition. [=] (argument-list) { lambda-body } // Captures all ...

When using Channel Groups, you should not add or remove channels in your client side applications. This example shows adding channels to a channel group and subscribing to that channel group for simplicity sake. But in a real world scenario, you should have your server do all the add/remove of cha...

millisecondsAndMicrosecondsSincePageLoad = performance.now(); millisecondsSinceYear1970 = Date.now(); millisecondsSinceYear1970 = (new Date()).getTime(); performance.now() is available in modern web browsers and provides reliable timestamps with sub-millisecond resolution. Since Date.now...

ParameterDetailsCameraCaptureSessionA configured capture session for a CameraDevice, used for capturing images from the camera or reprocessing images captured from the camera in the same session previouslyCameraDeviceA representation of a single camera connected to an Android deviceCameraCharacter...

Kotlin provides many extension methods on collections and iterables for applying functional-style operations. A dedicated Sequence type allows for lazy composition of several such operations. About laziness If you want to lazy process a chain, you can convert to a Sequence using asSequence(...

Build a named capture group (X being the pattern you want to capture): (?'name'X) (?X) (?PX) Reference a named capture group: ${name} \{name} g\{name} Python and Java don't allow multiple groups to use the same name.

shift shifts the positional parameters to the left so that $2 becomes $1, $3 becomes $2 and so forth. "$@" is an array of all the positional parameters passed to the script/function. "$*" is an string composed of all the positional parameters passed to the script/function. ...

The dynamic keyword declares a variable whose type is not known at compile time. A dynamic variable can contain any value, and the type of the value can change during runtime. As noted in the book "Metaprogramming in .NET", C# does not have a backing type for the dynamic keyword: The...

This section provides an overview of what amazon-web-services is, and why a developer might want to use it. It should also mention any large subjects within amazon-web-services, and link out to the related topics. Since the Documentation for amazon-web-services is new, you may need to create ini...

Entity Framework (EF) is an object-relational mapper (ORM) that enables .NET developers to work with relational data using domain-specific objects. It eliminates the need for most of the data-access code that developers usually need to write. Entity Framework allows you to create a model by writi...

uname - to print information about your operating system. uname [OPTION]

Ionic is a framework for developing mobile applications with HTML, CSS, and JavaScript. Ionic applications run as native applications and have a native "look and feel". Ionic is built on the AngularJS framework and provides a complete solution to design, build, and package mobile applic...

This section provides an overview of what xamarin is, and why a developer might want to use it. It should also mention any large subjects within xamarin, and link out to the related topics. Since the Documentation for xamarin is new, you may need to create initial versions of those related topic...

EXtensible Application Markup Language (XAML) is a XML based markup language developed by Microsoft. It is used in several Microsoft technologies like Windows Presentation Foundation (WPF), Silverlight, WinRT, Universal Windows Platform, etc. to define the User Interface for applications. Vers...