Tutorial by Topics: h

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...

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

What is android-gradle android-gradle is a gradle plugin officially maintained by Google Tools developer team and is the official build tool since the announcement in May 16, 2013 at the Google I/O. Learn the basic by reading Configure your build with Gradle. Main features The main feature...

An error 1009 is a general error that arises when you are trying to receive a value out of a variable or property that has a value of null. The examples provided expose various cases where this error arises, together with some recommendations on how to mitigate the error. The dreaded and often ask...

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

Kivy is an open source Python library for the rapid development of cross-platform user interfaces. Kivy applications can be developed for Linux, Windows, OS X, Android and iOS using the same codebase. Graphics are rendered via OpenGL ES 2 rather than through native widgets, leading to a fairly u...

The aim of the project is to create a lightweight 3D library with a very low level of complexity — in other words, for dummies. The library provides canvas, svg, CSS3D and WebGL renderers. VersionChangelogRelease DateR85Link2017-04-25R84Link2017-01-19R83Link2016-12-15R82Link2016-12-15R81Link20...

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

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

TYPO3 is a PHP web content management system written, boasting extensions, advanced localization, scalability, and its open source nature. By making a distinction between the frontend and the backend, content visible to site visitors and administrators is innately abstracted. TYPO3 makes heavy use...

Joomla is a free and open-source content management system (CMS) for publishing web content. It is built on a model–view–controller web application framework that can be used independently of the CMS. Joomla is written in PHP, uses object-oriented programming (OOP) techniques (since version 1.5) ...

This section provides an overview of what joomla3.0 is, and why a developer might want to use it. It should also mention any large subjects within joomla3.0, and link out to the related topics. Since the Documentation for joomla3.0 is new, you may need to create initial versions of those related...

JPA is the Java Persistence API, a specification handling the mapping of Java objects and their relationships to a relational database. This is called an object-relational mapper (ORM). It is an alternative for (or supplement to) the more low-level JDBC. It is most useful when pursuing a Java-orie...

About Scipy SciPy is a collection of mathematical algorithms and convenience functions built on the Numpy extension of Python. It adds significant power to the interactive Python session by providing the user with high-level commands and classes for manipulating and visualizing data. With SciPy a...

Gremlin is the graph traversal language of Apache TinkerPop. Gremlin provides a graph-agnostic way to write queries for any TinkerPop-enabled graph database or graph processor. Gremlin provides support for both imperative and declarative style traversals and can even allow for writing queries that...