react-konva is a JavaScript library for drawing complex canvas graphics using React. It provides declarative and reactive bindings to the Konva Framework.

Laravel permission is a 3rd party Laravel package developed by Spatie to manage user permissions and roles in a database.

Android's lightweight remote procedure call mechanism designed for high performance when performing in-process and cross-process calls.

Questions about Angular unit testing. Use this tag for Angular unit testing questions which are not specific to an individual version. Do not use this tag for the older AngularJS (1.x) web framework uni testing questions.

Sysfs is a virtual file system provided by Linux. It is a ram-based file-system initially based on ramfs. It provides a means to export kernel data structures, their attributes, and the linkages between them to userspace.

Microsoft Office 2013 (also called Office 2013 and codenamed Office 15) is a group of office productivity software programs for the Microsoft Windows operating system, and the successor to Microsoft Office 2010.

This is a tag for Windows Runtime's introduced with Windows 8 for Windows Store (previously called "Metro Style") Apps. Async calls allow you to call a method without having to wait for it's response, and thus allowing you to call a method and not have the whole application freeze while its waiting for a response.

Django 1.4 is a version of the Django framework, released in March 2012, with enhanced time zones support and various other improvements. Please only use this tag if your question relates specifically to this version.

Zappa is a Python tool to build and deploy server-less, event-driven Python applications (including, but not limited to, WSGI web apps) on AWS Lambda + API Gateway.

Notification Center is an interface designed by Apple that allows users to easily view notifications from all applications in one view. Notification Center is available in iOS 5 and up.

An observableArray is a knockout.js construct similar to a regular array in JavaScript, except that it allows for observing changes to the collection (e.g. adding and removing items).