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| Code Listing by Dinu Gherman |
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Given that PDF is a "native" data format on Mac OS X, it is very easy to get access to some properties of such documents. One is the number of pages. Using Python the necessary code to do this is only about four lines, plus some import and command-line plumbing, etc.
This is a very short code snippet illustrating how to convert individual pages of PDF documents to TIFF files, one TIFF file per page. It works only on Mac OS X with PyObjC installed. As a recipe the code is compact and does not check for many...
Sadly missing in the Python standard library, this function
allows to use ranges, just as the built-in function range(),
but with float arguments.
All thoretic restrictions apply, but in practice this is
more useful than...
Null objects are intended to provide first-class citizens as
a replacement for the primitive value None. Using them you
can avoid conditional statements in your code and express
algorithms with less checking for special values.
This simple code calculates the convex hull of a set of 2D points
and generates EPS files to visualise them. The algorithm was taken
from a textbook on Computional Geometry. |
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