AWS Lambda is a compute service that lets you run code without the overhead of managing servers. (Not to be confused with the [lambda] tag, which instead refers to a type of function).

Types, and type systems, are used to enforce levels of abstraction in programs.

Azure DevOps is a suite of 5 services you use together or independently. For example, Azure Pipelines provides build services (CI) as well as release management for continuous delivery (CD) to any cloud and on-premises servers. Azure Repos provides unlimited private Git hosting, Azure Boards provides agile planning (issues, Kanban, Scrum, and dashboards). Please note that there's a separate tag for Azure DevOps Server (formerly TFS) - the on-prem version.

Scikit-learn is a machine-learning library for Python that provides simple and efficient tools for data analysis and data mining, with a focus on machine learning. It is accessible to everybody and reusable in various contexts. It is built on NumPy and SciPy. The project is open source and commercially usable (BSD license).

The layout tag is for questions about the placement, alignment and justification of objects with respect to a containing element. For questions pertaining to CSS, use the 'css' tag instead.

Spring Security is the Spring Framework's application security solution. Spring Security can be used to secure URLs and method invocations. It is widely used to secure standalone web applications and REST APIs.

WebSocket is an API built on top of TCP sockets and a protocol for bi-directional, full-duplex communication between client and server without the overhead of HTTP.

C# 4.0 introduced features like dynamic objects, COM interoperability improvements, generic co- and contra-variance, optional and named parameters. Use this tag if your question specifically pertains to C# 4.0 specific features. The C# tag should be used if your question is not specific to C# 4.0 features.

A web browser or Internet browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web.

Shiny is an R package that makes it easy to build interactive web applications using only R.

Compose is a tool for defining and running complex applications with Docker. With Compose, you define a multi-container application in a single file, then spin your application up in a single command which does everything that needs to be done to get it running.