What is the Ruby (spaceship) operator?
What is the Ruby <=> (spaceship) operator? Is the operator implemented by any other languages? 6 Answers 6
comparison-operators
Why does “not(True) in [False, True]” return False?
If I do this: >>> False in [False, True] True That returns True. Simply because False is in the list. But if I do: >>> not(True) in [False, True] False That returns False. Whereas not(True) is equal to False: >>> not(True) False Why? 8 s 8
Difference between == and === in JavaScript [duplicate]
This question already has answers here: Which equals operator (== vs ===) should be used in JavaScript comparisons? (48 answers) Closed 2 years ago. What is the difference between == and === in JavaScript? I have also seen != and !== operators. Are there more such operators? 2 Take a look here: http://longgoldenears.blogspot.com/2007/09/triple-equals-in-javascript.html The 3 … Read more
How to check if the string is empty?
Does Python have something like an empty string variable where you can do: if myString == string.empty: Regardless, what’s the most elegant way to check for empty string values? I find hard coding “” every time for checking an empty string not as good. 2 23
