The user experience (UX) is the experiential, affective, meaningful and valuable aspects of human-computer interaction and product ownership, but also a person’s perceptions of the practical aspects such as utility, ease of use and efficiency of the system. Essentially, it's about how a person feels about using a product.

extends is a keyword in several programming languages used to denote implementation inheritance

DT is an R package that provides an interface to the JavaScript library DataTables. Use the data.table tag for questions related to the data.frame extension package data.table.

For programming questions about the Artisan Console, the command-line interface included with the Laravel PHP framework

Refers to a software application that is designed to run on a hand-held device, such as a smartphone, pda, or tablet.

RubyOnRails allows you to access attributes of objects associated with the main model, using one, deep hash. Use this tag if you have problem with a model in which you defined `accepts_nested_attributes_for` or if you use nested calls of `fields_for` in a view.

GlassFish is an open source, production-ready, Java EE-compatible application server.

Watir (Web Application Testing in Ruby) implementation built on WebDriver's Ruby bindings. Used for web browser automation, this tool allows you to code in Ruby using the friendly Watir API but get the cross browser support of Webdriver to automate Chrome, Firefox, IE, Opera or a 'headless' browser. Distributed as a Ruby gem named 'watir-webdriver'

DO NOT USE THIS TAG. Instead try to use something more specific like name-collision, failed-installation, merge-conflict-resolution, conflicting-libraries etc (see also the meta discussion: https://meta.stackoverflow.com/questions/284369/end-the-conflict)

The configuration of encoding, protocol and transport detailing how WCF services and clients communicate with each other. This tag is for both the default system-provided bindings, and custom bindings.

GridView is a subclass of AdapterView that displays items in a two-dimensional, scrollable grid.