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Pandas conditional creation of a series/dataframe column
...reen
1 Z B green
2 X B red
3 Y C red
If you have more than two conditions then use np.select. For example, if you want color to be
yellow when (df['Set'] == 'Z') & (df['Type'] == 'A')
otherwise blue when (df['Set'] == 'Z') & (df['Type'] == 'B')
otherwise purple ...
Checking in of “commented out” code [closed]
... in complete functionality
If the first and second conflict (e.g. it takes more than a day to make the functionality work) then the task is too large - break it into smaller completable tasks.
This means:
Commented-out code should never be checked in since it is not functional
Commenting is not ...
decimal vs double! - Which one should I use and when? [duplicate]
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As a result, I wouldn't manipulate monetary values of more than $9.99 (1 integer digit), because rather than 4 or 5 digits of error accumulation padding, I'd want more like 10 or 11. Since Decimal is a 128-bit number, it gives you that kind of isolation, even with numbers in th...
What is the Python equivalent of Matlab's tic and toc functions?
...f'):
# do some foo
# do some stuff
Sometimes I find this technique more convenient than timeit - it all depends on what you want to measure.
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Should I embed images as data/base64 in CSS or HTML
...S sprites) when IE compatibility doesn't matter, and saving the request is more important than cacheability.
It has a number of notable downsides:
Doesn't work at all in IE6 and 7.
Works for resources only up to 32k in size in IE8. This is the limit that applies after base64 encoding. In other...
How to connect to SQL Server database from JavaScript in the browser?
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Paging in a Rest Collection
... general solution to Rest paging. This isn't a solution for a single case, more of what the general solution should be. Not all documents/collections fit the Atom model and there's no reason to force it unless required.
– Karl Guertin
Jun 1 '09 at 2:43
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What and where are the stack and heap?
...mple to keep track of the stack; freeing a block from the stack is nothing more than adjusting one pointer.
The heap is memory set aside for dynamic allocation. Unlike the stack, there's no enforced pattern to the allocation and deallocation of blocks from the heap; you can allocate a block at any...
How do I get the find command to print out the file size with the file name?
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dmazzoni's answer is much more efficient because it avoids a fork+exec on every file (100x faster on my machine). I had to change %k to %s. @FaheemMitha: you can add options like -type f to only count regular files.
– Mr Fooz
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Is there a way of making strings file-path safe in c#?
...portable (always thinking about Mono), both of the earlier comments missed more 25 invalid characters.
'Clean just a filename
Dim filename As String = "salmnas dlajhdla kjha;dmas'lkasn"
For Each c In IO.Path.GetInvalidFileNameChars
filename = filename.Replace(c, "")
Next
'See also IO.Path.GetI...