Python3 “is” operator outside of small_ints
4419
"is" operator behaves unexpectedly with integers
28849
using list operator "in" with floating point values
97005
A number smaller than negative infinity in python?
3800
How do I check to see if a value is an integer in MySQL?
6694
Subscript indices must either be real positive integers or logicals?
134742
String comparison in Python: is vs. ==
75469
Why does Ruby's String#to_i sometimes return 0 when the string contains a number?
60387
C# Bitwise Operator With Ints
106983
Python `if x is not None` or `if not x is None`?
56724
How do I check that a number is float or integer?
20696
How to check if an expression is a real-valued number
76210
What does it mean if a Python object is "subscriptable" or not?
11189
'is' operator behaves differently when comparing strings with spaces
149631
Math-like chaining of the comparison operator - as in, "if ( (5<j<=1) )"
16038
C# 'is' operator performance
73007
Why None is the smallest in python?
4684
What's the canonical way to check for type in Python?