Tutorial by Topics: m

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

:symbol :'symbol' :"symbol" "symbol".to_sym %s{symbol} Advantages of using symbols over strings: 1. A Ruby symbol is an object with O(1) comparison To compare two strings, we potentially need to look at every character. For two strings of length N, this will requir...

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

Vim (or "Vi IMproved") is a console-based multi-mode (modal) text editor. It is widely used and available by default on all Unix, Linux, and Apple OS X systems. Vim has a large active community and a wide user base. The editor supports all popular programming languages, and many plugins ...

Overview matplotlib is a plotting library for Python. It provides object-oriented APIs for embedding plots into applications. It is similar to MATLAB in capacity and syntax. It was originally written by J.D.Hunter and is actively being developed. It is distributed under a BSD-Style License. ...

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...

In the basic case, a model is Python class that maps to a single database table. The attributes of the class map to columns in the table and an instance of the class represents a row in database table. The models inherit from django.db.models.Model which provides a rich API for adding and filtering ...

Nothing is really random and thus the javadoc calls those numbers pseudorandom. Those numbers are created with a pseudorandom number generator.

ParameterDetails=For using two-way data binding. This means that if you update that variable in your component scope, the change will be reflected on the parent scope.<One-way bindings when we just want to read a value from a parent scope and not update it.@String parameters.&For callbacks i...

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...

As described by its official Start Guide: Maven is an attempt to apply patterns to a project's build infrastructure in order to promote comprehension and productivity by providing a clear path in the use of best practices. Maven is essentially a project management and comprehension tool and ...

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...

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

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 Symfony2 is and why a developer might want to use it. It should also mention any large subjects within Symfony2 and link out to the related topics. Since the Documentation for Symfony2 is new, you may need to create initial versions of those related topic...

Pseudo-elements, just like pseudo-classes, are added to a CSS selectors but instead of describing a special state, they allow you to scope and style certain parts of an html element. For example, the ::first-letter pseudo-element targets only the first letter of a block element specified by the sel...

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

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 ...