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Web scraping is an automated, programmatic process through which data can be constantly 'scraped' off webpages. Also known as screen scraping or web harvesting, web scraping can provide instant data from any publicly accessible webpage. On some websites, web scraping may be illegal. Useful P...

A makefile is a text file which controls the operation of the make program. The make program is typically used to manage the creation of programs from their source files, but it can be more generally used to handle any process where files (or targets) need to be regenerated after other files (or ...

Devise is a very powerful gem, it allows you to sign up, sign in and sign out options just after installing. Moreover user can add authentications and restrictions to its applications. Devise also come with its own views, if user wants to use. A user can also customize sign up and sign in forms acco...

What is undefined behavior (UB)? According to the ISO C++ Standard (§1.3.24, N4296), it is "behavior for which this International Standard imposes no requirements." This means that when a program encounters UB, it is allowed to do whatever it wants. This often means a crash, but it may si...

In this section, we discuss what Beautiful Soup is, what it is used for and a brief outline on how to go about using it. Beautiful Soup is a Python library that uses your pre-installed html/xml parser and converts the web page/html/xml into a tree consisting of tags, elements, attributes and valu...

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

Details When Edge Cache is enabled and working, App Engine sends an age header whose value is the time (in seconds) since the response has been cached. For example, if the response has been cached for two minutes thus far, the response will include a header of age: 120. If no age header is bein...

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

JUnit is a simple framework to write repeatable tests for Java programming language. It is an instance of the xUnit architecture for unit testing frameworks. Main features consist of: Assertions, that let you customize how to test values in your tests Test runners, that let you specify how to...

Selenium is a powerful library of commands in multiple languages (C#, Haskell, Java, JavaScript, Objective-C, Perl, PHP, Python, R, and Ruby) that allow a programmer to automate browser interaction. This is incredibly useful for developers testing applications. Selenium offers methods to: Find...

Key features Variable length pagination On-the-fly filtering Multi-column sorting with data type detection Smart handling of column widths Display data from almost any data source DOM, JavaScript array, Ajax file and server-side processing Scrolling options for table viewport Fully inter...

Twitch Chat is a simple IRC chat. For any serious development, there are multiple documents for it, including the most comprehensive and general ressource: http://ircdocs.horse/ Connection, Handshake IRC is a basic, plaintext based TCP protocol. Connecting to Twitch works just like any regular...

The Manifest is an obligatory file named exactly "AndroidManifest.xml" and located in the app's root directory. It specifies the app name, icon, Java package name, version, declaration of Activities, Services, app permissions and other information.

AngularJS Directives are custom elements in HTML (such as an attribute, element name, comment or CSS class) that tell AngularJS to attach a specified behavior to that DOM element, or even to transform the DOM element and its children. In short, when we create a directive, AngularJS will treat that...