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How to open a file for both reading and writing?
...ovided number of bytes, i.e. removes all of the file content after the specified number of bytes. Imagine that your file has the string Hello, world and you write Bye. If you don't truncate() the content at the end will be Byelo, world, since you never deleted the text that existed in the file. trun...
How to put the legend out of the plot
...
You can make the legend text smaller by specifying set_size of FontProperties.
Resources:
Legend guide
matplotlib.legend
matplotlib.pyplot.legend
matplotlib.font_manager
set_size(self, size)
Valid font size are xx-small, x-small, small, medium, large, x-large, xx-lar...
grep, but only certain file extensions
... i'd suggest grouping those -name arguments. strange things can happen if you don't. find . \( -name '*.h' -o -name '*.cpp' \) -exec grep "CP_Image" {} \; -print
– nullrevolution
Sep 20 '12 at 21:13
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Why Collections.sort uses merge sort instead of quicksort?
...ly from Josh Bloch §:
I did write these methods, so I suppose I'm qualified to answer. It is
true that there is no single best sorting algorithm. QuickSort has
two major deficiencies when compared to mergesort:
It's not stable (as parsifal noted).
It doesn't guarantee n log n per...
Reload .profile in bash shell script (in unix)?
... using the source command will run the file as a script... In worst cases, if somebody would use a variable assignment like MyVar="$foo$MyVar" in their bash_profile, then source ~/.profile would give the end result MyVar="$foo$MyVar$MyVar", hence $MyVar would have the wrong value afterwards. (Regard...
Testing Abstract Classes
...ertain base class that you expect to extend in your application layer. And if you want to make sure that library code is tested, you need means to UT the concrete methods of abstract classes.
Personally, I use PHPUnit, and it has so called stubs and mock objects to help you testing this kind of thi...
ASP.NET WebApi unit testing with Request.CreateResponse
...urationKey,
new HttpConfiguration());
If you are upgrading to webapi 5.0, then you'll need to change this to:
controller.Request = new HttpRequestMessage();
controller.Request.SetConfiguration(new HttpConfiguration());
The reason why you need to do this is bec...
Where to place private methods in Ruby?
... end
def zmethod
end
private :xmethod, :zmethod
end
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Skip rows during csv import pandas
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Yea thanks, I just needed to know that the index was specified inside square brackets [].
– thosphor
Dec 17 '13 at 15:25
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How to convert list of tuples to multiple lists?
...>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, 3, 5), (2, 4, 6)]
The only difference is that you get tuples instead of lists. You can convert them to lists using
map(list, zip(*[(1, 2), (3, 4), (5, 6)]))
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