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Installing RVM and Creation of Gemsets Part 2
In the last tutorial we learnt how to install RVM.
by dinesh.singh -
Installing RVM and Creating of Gemsets Part 1
Installing RVM and creating Gemsets can be difficu
by dinesh.singh -
Use pik in Windows
Managing multiple versions of Ruby on Windows can
by anirudh.rautela -
Using Bundler in Rails 2.3.x app
Managing Gems in Rails can be infuriating at times
by anirudh.rautela
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Iterators and its usage in ruby
In Ruby, iterators are methods basically used by the collections. Collections are a set of objects. Hashes & Arrays are the example of collections. Iteration is a process by which we can get or set the elements in collections. We will discuss...
using return keyword within a Ruby block
As we all know,Ruby Blocks and Ruby Methods work in tandem and the output/value of the last line/expression being executed by the block is returned to the associated method .
Have a look at this example:
2.1.5 :006 > def demo
2.1.5 :0...
Ruby Blocks
As we all know,Ruby Blocks and Ruby Methods work in tandem as clearly elucidated by the below example:
def demo_method
yield "hello"
end
demo_method { |block_argument| "#{block_argument}!! our first ruby blog"}
here, the ...
each, collect and map in ruby
1> 'each' will loop through each element of the array and evaluate whatever is return inside the block, but it returns the original array without any change.
a = [5,10,15,20]
=> [5, 10, 15, 20]
a.each {|t| t+2}
=> [5, 10, 15, 20...
