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Does pandas iterrows have performance issues?
...sing loc one-row-at-a-time)
Using a custom Cython routine is usually too complicated, so let's skip that for now.
1) Vectorization is ALWAYS, ALWAYS the first and best choice. However, there is a small set of cases (usually involving a recurrence) which cannot be vectorized in obvious ways. Furth...
Why are these numbers not equal?
...ed exactly in IEEE floating point arithmetic (the standard that almost all computers use to represent decimal numbers and do math with them), you will not always get what you expected. This is especially true because some values which are simple, finite decimals (such as 0.1 and 0.05) are not repres...
Force “git push” to overwrite remote files
...evision history will conflict with the new one. And if they have any local commits after the point of change they will become invalid.
Update: Thought I would add a side-note. If you are creating changes that others will review, then it's not uncommon to create a branch with those changes and rebas...
Compare object instances for equality by their attributes
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if not isinstance(other, MyClass):
# don't attempt to compare against unrelated types
return NotImplemented
return self.foo == other.foo and self.bar == other.bar
Now it outputs:
>>> x == y
True
Note that implementing __eq__ will automatically ...
Can you autoplay HTML5 videos on the iPad?
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How to debug Google Apps Script (aka where does Logger.log log to?)
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I couldn't comment before, so I provied an answer below, but: IF you have the script editor open and YOU trigger an event in the open spreadsheet, you can go back to the script editor browser instance and see the information in the Log...
What is “loose coupling?” Please provide examples
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@Wedge Could you react to my comment please?
– plalx
Oct 30 '13 at 20:53
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Why should I not wrap every block in “try”-“catch”?
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Actually try blocks are free in any modern C compiler, that information is dated Nick. I also disagree about having a top-level exception handler because you lose locality information (the actual place where the instruction failed).
– Blindy
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Lazy Method for Reading Big File in Python?
I have a very big file 4GB and when I try to read it my computer hangs.
So I want to read it piece by piece and after processing each piece store the processed piece into another file and read next piece.
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