Python: what difference between 'is' and '=='?
1469
Is there a difference between "==" and "is"?
99447
What is the difference between String? and String! (two ways of creating an optional variable)?
113354
Ruby |= assignment operator
72519
What's the difference between "==" and "=~"?
43115
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
145384
What's the difference between 'int?' and 'int' in C#?
106795
What is the use of the := syntax?
151816
What is the semantics of 'is' operator in Python?
83392
Why is "if not someobj:" better than "if someobj == None:" in Python?
79050
Python ( or general programming ). Why use  instead of != and are there risks?
93360
Performance differences between equal (=) and IN with one literal value
39459
Why is '' > 0 True in Python 2?
59231
What is the " := " operator in (VB).NET or what is it good for?
99859
What is the difference between def func(var) and def func=(var)?
33772
Is there any difference in equals and == for String variables?
13934
Is there any difference between the `:key => "value"` and `key: "value"` hash notations?
32479
What's the difference between => , ()=>, and Unit=>