Spy is a mocking library that was made for the modern age. It supports only 1.9.3+. Spy by default will raise an error if you attempt to stub a method that doesn't exist or call the stubbed method with the wrong arity.
spy is a tool in the Languages category of a tech stack.
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JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
HTML5 is a core technology markup language of the Internet used for structuring and presenting content for the World Wide Web. As of October 2014 this is the final and complete fifth revision of the HTML standard of the World Wide Web Consortium (W3C). The previous version, HTML 4, was standardised in 1997.
Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.