VISA stands for Virtual Instrument Software Architecture. It is a communication and I/O standard for instrument communication, mainly used in the test & measurement industry. DO NOT USE this tag for the payment card Visa, nor for a travel visa related question.

Loadable modules written in C which provide additional functionality for the Ruby language.

The Revealing Module Pattern is an updated Module Pattern where you define all of your functions and variables in the private scope and return an anonymous object at the end of the module along with pointers to both the private variables and functions you wish to reveal as public.

Rational Team Concert is a complete Application Lifecycle Management (ALM) suite, offered by IBM. RTC combines activities such as Source Control Management, Work Item Tracking, Project Management, Build Management, and Reporting into a single product with integration points to the Eclipse Java IDE as well as the Visual Studio IDE.

All in one email provider accessible via API or SMTP. Offers transactional emails, marketing emails, newsletter template editor, realtime analytics, inbound email processing.

MongoSkin is an easy to use Node.js driver for MongoDB. It builds on the `node-mongodb-native` driver with support for additional JavaScript method binding which allows it to act as a Model (in a document way).

Web.config transformation lets you easily transform .NET application configuration files.

Questions about alphabetical sorting, how lists of strings are typically sorted.