Difference between || and ||=?
19592
What does ||= (or-equals) mean in Ruby?
126174
What is the difference between != and  operators?
38401
When should I use  or >()?
106795
What is the use of the := syntax?
41182
What does the construct x = x || y mean?
1469
Is there a difference between "==" and "is"?
29419
'AND' vs '&&' as operator
33421
What is the difference between for..in and for each..in in javascript?
73300
How do `>` and `>>` work?
9173
What are the PHP operators "?" and ":" called and what do they do?
48026
What's the difference between X = X++; vs X++;?
709
What does '?' do in C++?
72909
What does the |= operator do in Java?
36012
What is the difference between ./ and ../?
276
Difference between  and
113354
Ruby |= assignment operator
25358
What is the differences between &> and 2>&1