Ruby comparison operators? == vs. ===
53664
What's the difference between equal?, eql?, ===, and ==?
135424
Difference between "or" and || in Ruby?
91433
Is there a difference between :: and . when calling class methods in Ruby?
150558
Lua operators, why isn't +=, -= and so on defined?
145046
comparing float/double values using == operator
152371
equals vs Arrays.equals in Java
39300
What does the (unary) * operator do in this Ruby code?
133999
Does variables' order matter when doing == and === comparisons?
155686
What is a reason of placing boolean or null before comparison operator?
63854
How do boolean operators work in 'if' conditions?
83392
Why is "if not someobj:" better than "if someobj == None:" in Python?
113354
Ruby |= assignment operator
73430
C# .Equals(), .ReferenceEquals() and == operator
65868
What is the "=~" operator in Ruby?
147409
String.equals versus ==
79050
Python ( or general programming ). Why use  instead of != and are there risks?
109567
How does operator  work when comparing two strings?