WebJars are client-side web libraries (e.g. jQuery & Bootstrap) packaged into JAR (Java Archive) files.

Routing in Symfony Framework's MVC implementation. Symfony is a free, open source PHP web application framework, and it is released under the MIT license.

Recently purchased and rebranded by IBM as Websphere JRules, ILog JRules is the former name of a suite of tools used to create and run rule-based applications.

Anything related to pathnames. A pathname is a symbolic, hierarchical representation of the location of a file (or other resource) in a filesystem encoded as a string. The rules governing the syntax of pathnames differ among OSes (and sometimes among filesystems). Here is an example for Linux: "/home/user/foo/bar/hello.pdf" and one for Windows: "D:\data\foo\bar\hello.pdf"

Anything related to the generation and management of unique identifiers, i.e. pieces of information (such as strings, numbers, etc.) that (must/can) have no duplicate in some context (e.g. process IDs in a running PC, primary keys in a database table, user names in a networked system, etc.).

Constant expressions can be evaluated at compile time.

QAbstractTableModel is a class in Qt for models that represent their data as a two-dimentional array of items.