Python:Efficient way to check if dictionary is empty or not
109083
Python: Checking if a 'Dictionary' is empty doesn't seem to work
17040
Check if an array is empty or exists
40984
Difference between dict.clear() and assigning {} in Python
78105
Is there any built-in way to get the length of an iterable in python?
94839
Check whether a string is not null and not empty
153698
Is there an easy way to tell if a class/struct has no data members?
106983
Python `if x is not None` or `if not x is None`?
37350
checking each required input for empty value with jQuery
5377
Is there a standard function to check for null, undefined, or blank variables in JavaScript?
56572
Which method performs better: .Any() vs .Count() > 0?
124040
Testing if a hash has any of a number of keys
33574
Comparing a string with the empty string (Java)
89933
How do I avoid trailing empty items being removed when splitting strings?
58669
What is the best way to implement nested dictionaries?
95734
Check if something is (not) in a list in Python
151825
Is there any difference between "foo is None" and "foo == None"?
154659
What's the best way to initialize a dict of dicts in Python?