The overlapping tag is used to describe elements on a webpage, absolutely positioned with CSS so they overlap each other.

A user role is a group of users that share the same privileges or permissions on a system. Use this tag for questions about how user roles work in a particular security framework, or questions about the implementation of user roles in your program.

Anything related to C or C++ standard library functions `getchar` (C) or `std::getchar` (C++). These functions are used to read a single character from the standard input stream `stdin`.

A search mechanism where the objective is to find all approximate, relevant or possibly relevant results for the search-key rather than finding an exact match.

a digital currency in which encryption techniques are used to regulate the generation of units of currency and verify the transfer of funds. Cryptocurrency can be mined and stored into an electronic wallet, locally on a computer or flash drive.

A fast, JavaScript-based 2d-rendering library

A renderer is a software construct that accepts and transforms information so that it can be displayed in a given medium.

a bucket is one of several alternative data sinks when data needs to be distributed. The term is used for algorithms, data-structures. Commercial usages include databases and cloud providers.

DataNucleus AccessPlatform is an implementation of the JDO and JPA API specifications for Java object persistence, as well as providing a REST API. It is fully standards-compliant, and supports persistence to RDBMS, ODBMS, documents (XML, Excel, ODF), web-based (JSON, Amazon S3, GoogleStorage), map-based (HBase, Cassandra), document-based (MongoDB), graph-based (Neo4j) as well as some others (LDAP).

Use this tag only for SQL queries with case expressions. (Use switch-statement for "case" statements in Ruby and other languages.)

phpDocumentor (phpdoc) is an automatic code-documentation tool for PHP, based on Javadoc.