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Inline functions vs Preprocessor macros
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Preprocessor macros are just substitution patterns applied to your code. They can be used almost anywhere in your code because they are replaced with their expansions before any compilation starts.
Inline functions are actual functions whose body is direc...
convert '1' to '0001' in JavaScript [duplicate]
How can I convert convert '1' to '0001' in JavaScript without using any 3rd party libraries. I have done this in php using spritf: $time = sprintf('%04.0f',$time_arr[$i]);
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How to extend an existing JavaScript array with another array, without creating a new array
There doesn't seem to be a way to extend an existing JavaScript array with another array, i.e. to emulate Python's extend method.
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Logical operators (“and”, “or”) in DOS batch
How would you implement logical operators in DOS Batch files?
12 Answers
12
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Combining two Series into a DataFrame in pandas
... Series s1 and s2 with the same (non-consecutive) indices. How do I combine s1 and s2 to being two columns in a DataFrame and keep one of the indices as a third column?
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iOS app, programmatically get build version
Is there a way to programmatically get the build version of my app? I need to be able to detect when the user has updated the app through the AppStore, in order to execute some code for adjustments
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Why does `a == b or c or d` always evaluate to True?
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In many cases, Python looks and behaves like natural English, but this is one case where that abstraction fails. People can use context clues to determine that "Jon" and "Inbar" are objects joined to the verb "equals", but the Python interpreter is more lit...
Is there a standard keyboard shortcut to build the current project in Visual Studio?
I know that Ctrl + Shift + B launches a solution build, but I would like a shortcut that just builds the current project. Is a custom shortcut my only option?
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p vs puts in Ruby
Is there any difference between p and puts in Ruby?
7 Answers
7
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Why doesn't Python have a sign function?
I can't understand why Python doesn't have a sign function. It has an abs builtin (which I consider sign 's sister), but no sign .
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