Operators are symbols that occur in nearly all programming and coding languages, for performing calculations and comparisons on data.

Refers to a symbol that represents a letter or number. Also, the bit pattern used to represent such a symbol.

In machine learning and statistics, classification is the problem of identifying which of a set of categories a new observation belongs to, on the basis of a training set of data containing observations whose category membership (label) is known.

Deserialization is the process by which an object is recreated from its serialized state.

Tool Command Language was invented by John Ousterhout as a way to make it easy to write little languages for configuring EDA tools, but it has grown far beyond those humble beginnings to become a general scripting language with built-in asynchronous I/O and Unicode strings while supporting paradigms such as object-oriented programming and coroutines.

Short Message Service (SMS) is the standardized text communication service component of phone, web or mobile communication systems that allow the exchange of short text messages between fixed line or mobile phone devices.

Visual Studio 2019 is a version of Microsoft's Visual Studio. Do not use this tag unless you have a specific question about this specific version.

Handlebars is a templating library for JavaScript.

In SQL, the CASE expression evaluates a list of conditions, returning the result for the first condition which evaluates to true. For programming languages' CASE questions, use the [switch-statement] tag instead.

A tag for ADO.NET Entity Framework 4.x, itself an object-relational mapping for the .NET framework.

SharedPreferences allows you to save and retrieve persistent key-value pairs of primitive data types in Android applications. It can be used either inside a single app or shared between multiple apps.