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WITH QueryName [(ColumnName, ...)] AS (   SELECT ... ) SELECT ... FROM QueryName ...; WITH RECURSIVE QueryName [(ColumnName, ...)] AS (   SELECT ...   UNION [ALL]   SELECT ... FROM QueryName ... ) SELECT ... FROM QueryName ...; Official documentation: WITH clause A Common ...

Microsoft Excel includes a comprehensive macro programming language called VBA. This programming language provides you with at least three additional resources: Automatically drive Excel from code using Macros. For the most part, anything that the user can do by manipulating Excel from the user...

TODO: Short description of Chrome Extensions Official documentation What are extensions? (documentation hub) Getting Started tutorial (basic tutorial) Overview JavaScript APIs (comprehensive list of chrome.* APIs) Further reading TODO: Populate with links to important overview t...

ExtJS is a JavaScript framework from Sencha for building Rich Internet Applications. It boasts one of the largest libraries of pre-built modular UI components. Since version 5.0, Sencha has advocated the use of Model-View-ViewModel (MVVM) architecture on its platform. It also maintains support fo...

preg_replace($pattern, $replacement, $subject, $limit = -1, $count = 0); preg_replace_callback($pattern, $callback, $subject, $limit = -1, $count = 0); preg_match($pattern, $subject, &$matches, $flags = 0, $offset = 0); preg_match_all($pattern, $subject, &$matches, $flags = PREG_PATTERN...

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

XML is a markup language used to store hierarchical data in text files. It is also known as semi-structured data, like JSON. XML is machine-readable, yet can also be read and produced by people. XML is made up of elements, sometimes casually referred to as a tag soup, which can themselves contain...

XPath is a language for addressing parts of an XML document. It is used in XSLT and is a subset of XQuery. Libraries are available for most other programming languages as well. XPath is an international standard with specifications published by W3C: XPath 1.0: XML Path Language (XPath), Vers...

JavaFX is a software platform for creating and delivering desktop applications, as well as rich internet applications (RIAs) that can run across a wide variety of devices. JavaFX is intended to replace Swing as the standard GUI library for Java SE. IT enables developers to design, create, test, d...

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...

Microsoft Excel is a high-utility spreadsheet for use on calculation and macro programming. Excel also boasts compatibility with Visual Basic for Applications. Data is arranged and evaluated in a grid of cells, where it can be formulated or displayed in charts.

Xamarin.Forms makes it possible to create iOS, Android, and Windows apps with large amounts of shared code, including UI code or XAML UI markup. App pages and views are mapped to native controls on each platform, but can be customized to provide platform-specific UI or to access platform-specific ...

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

While Python's context managers are widely used, few understand the purpose behind their use. These statements, commonly used with reading and writing files, assist the application in conserving system memory and improve resource management by ensuring specific resources are only in use for certain ...

val extractor(extractedValue1, _ /* ignored second extracted value */) = valueToBeExtracted valueToBeExtracted match { case extractor(extractedValue1, _) => ???} val (tuple1, tuple2, tuple3) = tupleWith3Elements object Foo { def unapply(foo: Foo): Option[String] = Some(foo.x); }

An exception is an object that represents the occurrence of an exceptional condition. In other words, it indicates that something went wrong. In Ruby, exceptions are often referred to as errors. That's because the base Exception class exists as a top-level exception object element, but user-defin...

Elixir is a dynamic, functional language designed for building scalable and maintainable applications. Elixir leverages the Erlang VM, known for running low-latency, distributed and fault-tolerant systems, while also being successfully used in web development and the embedded software domain. ...