What's the difference between :foo => :bar and foo: :bar?
13934
Is there any difference between the `:key => "value"` and `key: "value"` hash notations?
99610
The difference between += and =+
97291
if(!x) vs if(x==false) in ruby
153083
Does the equal sign make a difference in brace initialization? eg. 'T a = {}' vs 'T a{}'
9869
Difference between '>' and '-gt'
126174
What is the difference between != and  operators?
92813
What does << mean in Ruby?
72519
What's the difference between "==" and "=~"?
120372
How to typeset $:=$ correctly?
64769
What is the difference between \empty and \@empty?
25358
What is the differences between &> and 2>&1
113354
Ruby |= assignment operator
23313
Difference between "and" and && in Ruby?
135424
Difference between "or" and || in Ruby?
126009
Why is `a = a` `nil` in Ruby?
48026
What's the difference between X = X++; vs X++;?
110007
What is the difference between operator "=" and "==" in Bash?