sed is a command line editor for POSIX environments. It processes one or more files according to an editing script and writes the results to standard output. Created at Bell Labs, it has been around since the mid-70s.

PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural language extension for SQL. Questions about PL/SQL should probably be tagged "oracle" as well. Questions with regular DML or DDL statements should be tagged with "sql" and "oracle", NOT with "plsql".

Boost is a large collection of high-quality libraries intended for use in C++. Boost is free, and is often considered a "second standard library".

Use this tag for questions about SVN (Subversion), a centralized open-source revision control system distributed under the Apache License.

A Gridview is a control for displaying and manipulating data from a variety of data sources.

This tag is for Microsoft Excel questions where the question or answers are specifically about the structure, syntax, or output of an Excel formula.

Process of dynamically allocating and freeing portions of physical memory in order to respond to program requests with, if possible, fairness and no starvation among the requesters.

Popular unit testing framework for Java and Scala. The latest version, JUnit 5, supports rich annotation-based and parameterized tests. Consider using in conjunction with the Java or Scala tag to indicate your use case.

Dynamic refers to programs which act during run-time rather than at compile time.

SwiftUI is a way to build user interfaces across all Apple platforms. Build user interfaces for any Apple device using one set of tools and APIs. With a declarative Swift syntax that’s easy to read and natural to write, SwiftUI works seamlessly with Xcode design tools to keep your code and design perfectly in sync. Automatic support for Dynamic Type, Dark Mode, localization, and accessibility. Use this tag for questions about SwiftUI on any platform.

Replacing is the action of searching a string for a sub-string and replacing it with a different string.