What does pass by value mean in Ruby?
28802
Is Ruby pass by reference or by value?
99046
instance variable vs. symbol in ruby on rails (form_for)
105070
Are there any downsides to passing structs by value in C, rather than passing a pointer?
118937
Passing a method to Proc in Ruby
26090
Ruby method for +=
90524
What does map(&:name) do in this Ruby code?
112206
How do I modify an array while I am iterating over it in Ruby?
122570
Ruby class instance variable vs. class variable
50837
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
110201
Difference between var = {} and var = []?
135516
Anything similar in javascript to ruby's #{value} (string interpolation)
127055
Pass By Value & Reference
91999
C++: Why pass-by-value is generally more efficient than pass-by-reference for built-in (i.e., C-like) types
106795
What is the use of the := syntax?
136392
What are the restrictions for method names in Ruby?
19592
What does ||= (or-equals) mean in Ruby?
75469
Why does Ruby's String#to_i sometimes return 0 when the string contains a number?