Ruby documentation welcome to the official ruby programming language documentation Ruby was first developed by matz (yukihiro matsumoto) in 1993, and is now developed as open source Getting started new to ruby
Ruby Gem Guide and Properties Chart | JTV.com
Start with our getting started guide
Core classes and modules explore the essential classes and modules
Identical regexp can or cannot run in linear time depending on your ruby binary Neither forward nor backward compatibility is guaranteed about the return value of this method. What’s here trigonometric functions ::cos Returns the cosine of the given argument
Returns the sine of the given argument Returns the tangent of the given argument Returns the arc cosine of the given. Ruby code can raise exceptions
Most often, a raised exception is meant to alert the running program that an unusual (i.e., exceptional) situation has arisen, and may need to be handled.
Ruby is copyrighted free software by yukihiro matsumoto <matz@netlab.jp> You may make and give away verbatim copies of the source form of the software without restriction, provided that you duplicate all of the Operators in ruby, operators such as +, are defined as methods on the class Literals define their methods within the lower level, c language
Ruby objects can define or overload their own implementation for most operators Class foo < string def + (str) self Syck was the original yaml implementation in ruby’s standard library developed by why the lucky stiff You can still use syck, if you prefer, for parsing and emitting yaml, but you must install the ‘syck’ gem now in order to use it.
Each of these methods takes optional argument format, which has zero or more embedded format specifications (see below).
