Provides a way of getting a direct link for a YouTube video. The direct link is from an Mp4 element. You can also decipher YouTube signatures by providing the ciphered signature and the html5 player link / full code (as a string).
The C++ Mathematical Expression Toolkit Library (ExprTk) is a simple to use, easy to integrate and extremely efficient run-time mathematical expression parsing and evaluation engine. The parsing engine supports numerous forms of functional and logic processing semantics and is easily extendible.