NVD3.js is a library of re-usable charts and chart components for D3.js.

xls is the file extension for files created using the default format of Microsoft Excel (prior to Excel 2007).

Build automation is the act of scripting or automating tasks like compiling, packaging, running tests, deployment etc.

Facelets is an XML-based view technology for the JavaServer Faces framework. You don't need to use this tag on every single JSF question where Facelets is "coincidentally" used as view technology. Use this tag only and only if you have a specific question or problem with Facelets' own <ui:xxx> tags.

An incomplete type used as syntactic place-holder for the return type of a method/function when no value is returned.

Sync is a synonym for Synchronization, which refers to using controls to maintain a coherent representation, either a group of processes running the same program (process synchronization), or representations of data (data synchronization).

Imagick is a native php extension to create and modify images using the ImageMagick library. Please upload example images to imgur.com (or other site) if your question is asking why Imagick is not producing the images you are expecting, so that people can reproduce your problem.

A JavaScript-based platform to develop native mobile applications from a single codebase

CSS-Shapes are made by the use of Cascade Styling Sheets to make HTML elements into shapes and images. The most basic shapes include triangles, squares, and circles but can be made into more advance shapes such as hearts, octagons, and stars.

Lucene.NET is a source code, class-per-class, API-per-API, algorithmic port of the Java Lucene search engine to the C# and .NET platform utilizing the Microsoft .NET Framework and .NET Standard. NOTE: You should almost always include the [lucene] tag when using this one. The Lucene.NET design is similar to its Java counterpart and you are more likely to get a satisfactory answer when it is included.

Software design is the activity of deciding what properties, elements, responsibilities, interfaces, relationships and interactions are required in order to create an effective piece of software.