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What is the Ruby (spaceship) operator?
What is the Ruby <=> (spaceship) operator? Is the operator implemented by any other languages?
6 Answers
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What is the most pythonic way to check if an object is a number?
...isinstance(n, Number) (available since 2.6).
>>> from numbers import Number
... from decimal import Decimal
... from fractions import Fraction
... for n in [2, 2.0, Decimal('2.0'), complex(2, 0), Fraction(2, 1), '2']:
... print(f'{n!r:>14} {isinstance(n, Number)}')
2 T...
How to use OR condition in a JavaScript IF statement?
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Simply use the logical "OR" operator, that is ||.
if (A || B)
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Python: most idiomatic way to convert None to empty string?
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I'm keeping the else, but thanks for the str(s) tip so multiple types can be handled. nice!
– Mark Harrison
Jul 1 '09 at 9:39
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How to do a logical OR operation in shell scripting
I am trying to do a simple condition check, but it doesn't seem to work.
8 Answers
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?
I've found C code that prints from 1 to 1000 without loops or conditionals :
But I don't understand how it works. Can anyone go through the code and explain each line?
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Python syntax for “if a or b or c but not all of them”
I have a python script that can receive either zero or three command line arguments. (Either it runs on default behavior or needs all three values specified.)
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Delete specific line number(s) from a text file using sed?
I want to delete one or more specific line numbers from a file. How would I do this using sed?
6 Answers
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awk without printing newline
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printf "%s",whatever You forgot the comma. You can also extend with more variables and separate them with a comma.
– Hielke Walinga
Aug 7 '18 at 11:27
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Are C++ enums signed or unsigned?
Are C++ enums signed or unsigned? And by extension is it safe to validate an input by checking that it is = your min value (assuming you started at 0 and incremented by 1)?
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