Tutorial by Topics

You can find a good explanation on why other methods are discouraged/inaccurate here : http://stackoverflow.com/a/11169920/4628637

Jenkins is an open source continuous integration tool written in Java. The project was forked from Hudson after a dispute with Oracle. Jenkins provides continuous integration services for software development. It is a server-based system running in a servlet container such as Apache Tomcat. It su...

Nativescript is a highly performant cross-platform mobile app runtime, which allows you to target iOS and android (with windows in the pipeline) using web technologies (JS and html). It was created with a number of key aims: Visually Performant: no UI Jank even on android you have buttery smoot...

Webpack is a module bundler which reads modules with dependencies and produces static assets representing those modules. It features an extendable loader system which allows bundles to include not only Javascript assets, but CSS, Images, HTML and much more. For example, using the in-built Javasc...

async and await build on top of promises and generators to express asynchronous actions inline. This makes asynchronous or callback code much easier to maintain. Functions with the async keyword return a Promise, and can be called with that syntax. Inside an async function the await keyword can be...

What is Apache Hadoop? The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computa...

A tuple is a immutable list of values. Tuples are one of Python's simplest and most common collection types, and can be created with the comma operator (value = 1, 2, 3). (1, a, "hello") # a must be a variable () # an empty tuple (1,) # a 1-element tuple. (1) is not a tu...

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 ...

CodeIgniter is a MVC framework written in, and for, PHP. It is lightweight compared to other MVC frameworks out there, at the cost of having less functionality, e.g. there is no built in authentication system which might be a part of other frameworks. CodeIgniter is a good choice of frameworks f...

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 enum can derive from any of the following types: byte, sbyte, short, ushort, int, uint, long, ulong. The default is int, and can be changed by specifying the type in the enum definition: public enum Weekday : byte { Monday = 1, Tuesday = 2, Wednesday = 3, Thursday = 4, Friday = 5 } This is usef...

Liferay Portal CE is a portal software built in Java by Liferay Inc. Liferay DXP (Digital Experience Platform) is a platform built on top of Liferay Portal for digital solutions, integrating customer and user satisfaction analysis tools and Enterprise-grade quality performances and tooling. It w...

Protractor is an end-to-end test framework for AngularJS applications. Protractor is a wrapper (built on the top) around Selenium WebDriver, so it contains every feature that is available in the Selenium WebDriver. Additionally, Protractor provides some new locator strategies and functions which ...

References FreeBSD sed man-page NetBSD sed man-page OpenBSD sed man-page Illumos sed man-page macOS (OS X) man-page Plan9 sed man-page GNU sed online manual NameInitial ReleaseVersionRelease DatePOSIX sed1992IEEE Std 1003.1, 2013 Edition2013-04-19BSD sed1992FreeBSD 10.3 / NetBSD 7...

position: static|absolute|fixed|relative|sticky|initial|inherit|unset; z-index: auto|number|initial|inherit; ParameterDetailsstaticDefault value. Elements render in order, as they appear in the document flow. The top, right, bottom, left and z-index properties do not apply.relativeThe ele...

The name AWK comes from the last initials of its creators Alfred V. Aho, Peter J. Weinberger, and Brian W. Kernighan. Resources The Illumos AWK man-page The Plan9 AWK man-page The GNU AWK Users Guide The AWK Programming Language NameInitial VersionVersionRelease DatePOSIX awk1992IE...

Rotate Transform transform: rotate(<angle>) Translate Transform transform: translate(<length-or-percentage> [, <length-or-percentage>]?) transform: translateX(<length-or-percentage>) transform: translateY(<length-or-percentage>) Skew Transform transform: skew(&...