Ruby: What's the meaning of [var] << AnotherObj
92813
What does << mean in Ruby?
119974
What does << mean in Java?
94403
Is there an inverse 'member?' method in ruby?
19832
(1, eval)('this') vs eval('this') in JavaScript?
136413
Where is Ruby's string literal juxtaposition feature officially documented?
38402
What is the meaning of the ${0##...} syntax with variable, braces and hash character in bash?
11423
Understand the meaning of `$_`
46477
How to understand nil vs. empty vs. blank in Ruby
47676
What does "var FOO = FOO || {}" (assign a variable or an empty object to that variable) mean in Javascript?
66765
What is this: [Ljava.lang.Object;?
19638
What is the purpose of the var keyword and when should I use it (or omit it)?
65868
What is the "=~" operator in Ruby?
44112
"Variable" variables in Javascript?
104823
Detailed Explanation of Variable Capture in Closures
977
What is the difference between [@] and [*] when referencing bash array values?
94785
What are :+ and &:+ in Ruby?
91700
What does <<DESC mean in ruby?