Installing ruby on Windows
In this tutorial, we will install ruby on Windows 7. See my other tutorial for installing ruby and rails on Windows 8. 1. Download and run the RubyInstaller for Windows...
read moreWhat is ruby nil?
nil is ruby’s singleton object. It is an instance of the NilClass which you can see when you do … nil.class and it returns NilClass Because nil is an singleton, there is always...
read moreWhat is the equal-tilde operator in ruby mean?
The equal-tilde operator in ruby is the “match” operator. It take an regular expression on the left hand side and the string to match on the right hand side. The expression...
read moreWhat is the <=> operator in ruby?
In ruby, the <=> operator is known as the combined comparison operator. It is also known loosely as the “spaceship operator” because it looks like a spaceship. It compares the...
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