Tutorial by Topics: n

GitLab is a web-based version control software based on git and adds additional features such as branch management bug tracking and continuous integration. It is developed in Ruby. GitLab Community Edition (CE) is being developed open-source and uses the MIT-License. Since August 2013 GitLab Inc....

class MyClass{} // curly braces are optional here as class body is empty class MyClassWithMethod {def method: MyClass = ???} new MyClass() //Instantiate object MyObject // Singleton object class MyClassWithGenericParameters[V1, V2](vl: V1, i: Int, v2: V2) class MyClassWithImplicitFieldCreati...

-- defining a function with no arguments looks the same as simply defining a value language = "Elm" -- calling a function with no arguments by stating its name language -- parameters are separated by spaces and follow the function's name add x y = x + y -- call a function in the s...

This covers Ruby only, which is the main SASS compiler for many systems but other options exist. A very common one for any node developer would be node-sass which could be easier, and orders of magnitude faster, for many users.

Mockito is a java Mocking framework that aims at providing the ability to write clean an readable unit tests by using it's simple API. It differs from other mocking frameworks by leaving the expect-run-verify pattern that most other frameworks use. Instead it only knows one way to mock (non-final...

window.onerror = function (eventOrMessage, url, lineNumber, colNumber, error) { ... } ParameterDetailseventOrMessageSome browsers will call the event handler with just one argument, an Event object. However, other browsers, especially the older ones and older mobile ones will supply a String...

Comment Blocks If you need to comment or uncomment several lines at once, you can use the IDE's Edit Toolbar buttons: Comment Block - Adds a single apostrophe to the start of all selected lines Uncomment Block - Removes the first apostrophe from the start of all selected lines Mult...

The random module of NumPy provides convenient methods for generating random data having the desired shape and distribution. Here's the official documentation.

npm is the default package manager for Node.js. It is written entirely in JavaScript, and allows to install and distribute mostly JavaScript modules on the registry. Packages are treated in the CommonJS format, and are recognizable by the presence of a package.json file. VersionRelease Datev4....

ParameterDetailshostsArray of hosts in the form of object containing keys host and port. Default host is 'localhost' and port is 9200. A sample entry looks like [{"host": "ip of es server", "port": 9200}]sniff_on_startBoolean if you want the client to sniff nodes on...

The SSH (Secure Shell) is a cryptographic protocol for point-to-point communication over the insecure network (Internet). It obsoletes the old protocols used in the old days (rlogin, rsh, telnet). It is commonly used to connect to remote servers, virtual machines or containers in data center or i...

Mercurial is a modern, open-source, distributed version control system. You may have heard of git, which is somewhat more popular today; git and Mercurial are very comparable and offer mostly similar functionality. Developers use Mercurial to keep track of changes to the source code of their appl...