Telnet is an old protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in rfc854. On modern UNIX-like systems it is replaced with more secure and flexible SSH protocol.

Cross-Validation is a method of evaluating and comparing predictive systems in statistics and machine learning.

Microsoft Azure's cloud data integration service, it can compose data storage, movement, and processing services into automated data pipelines. It can connect to a wide variety of sources, not only from Azure. Its version 2 features more graphic tools and SDKs, providing an easier user experience compared to its previous version.

Software metrics are quantitative data related to software.

Logical operators are symbols that aid in evaluating boolean expressions. These are found in just about every programming language that supports boolean. Common examples are && (AND), || (OR), ! (NOT), == ([value] equal to), === ([value and type] equal to), >= (Greater than or equal to), <= (Less than or equal to), > (Greater than), and < (less than)

Sphinx is a free software search engine for indexing database content. NOTE: For the Python documentation tool, use the [python-sphinx] tag.

The Web Ontology Language (OWL) is a vocabulary for creating ontologies, i.e. definitions of classes, properties and the relationships between them. Please do not use this tag in place of 'owl-carousel'!

Autodesk Maya is a 3D modeling, animation and rendering tool used in film, TV and advertising. Only programming questions are on-topic.

The unpredictable outcome of compiling or executing a program which breaks rules of the language neither compiler, interpreter nor runtime-system have to enforce. DO NOT USE this tag for questions regarding the data type or return value of "undefined". In those cases, the [undefined] tag should be used instead.

Redux-saga is a redux middleware library which designed for handling side effects in redux applications. It provides developers with the ability to manage asynchronous code synchronously.

MERN stands for Mongo, Express, React and NodeJS.