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python Programming Glossary: representDifference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python the str can be 010 4 12 15 35 22 etc. The goal is to represent it in a way that a user not a programmer would want to read.. container would find it way too easy to disturb its string representation. In the face of ambiguity remember Python resists the temptation..
What exactly do “u” and “r”string flags in Python, and what are raw string litterals? http://stackoverflow.com/questions/2081640/what-exactly-do-u-and-rstring-flags-in-python-and-what-are-raw-string-litte otherwise terminate the literal no escape sequences to represent newlines tabs backspaces form feeds and so on. In normal string..
Generate a heatmap in MatPlotLib using a scatter data set http://stackoverflow.com/questions/2369492/generate-a-heatmap-in-matplotlib-using-a-scatter-data-set easy to plot as a scatter plot but that I would like to represent as a heatmap. I looked through the examples in MatPlotLib and..
Is False == 0 and True == 1 in Python an implementation detail or is it guaranteed by the language? http://stackoverflow.com/questions/2764017/is-false-0-and-true-1-in-python-an-implementation-detail-or-is-it-guarante Booleans bool and in the boolean subsection Booleans These represent the truth values False and True ... Boolean values behave like..
What are “named tuples” in Python? http://stackoverflow.com/questions/2970608/what-are-named-tuples-in-python implementation in Python 2.4 . For example it is common to represent a point for example as a tuple x y . This leads to code like.. easily readable . I personally have started using them to represent very simple value types particularly when passing them as parameters..
How to print date in a regular format in Python? http://stackoverflow.com/questions/311627/how-to-print-date-in-a-regular-format-in-python nor anything. Any object in Python have TWO string representations The regular representation that is used by print can be.. in Python have TWO string representations The regular representation that is used by print can be get using the str function... 19 53 42 gives you '2008 11 22 19 53 42'. The alternative representation that is used to represent the object nature as a data ...
Weighted random selection with and without replacement http://stackoverflow.com/questions/352670/weighted-random-selection-with-and-without-replacement two items from the original list per bin and thus can represent the split with a single percentage. Let's us take the example.. and create this number of partitions p . Each partition represents a probability mass of 1 p . In this case we create 8 partitions..
How can I represent an 'Enum' in Python? http://stackoverflow.com/questions/36932/how-can-i-represent-an-enum-in-python can I represent an 'Enum' in Python I'm mainly a C# developer but I'm currently.. I'm currently working on a project in Python. How can I represent the equivalent of an Enum in Python python enums share improve..
UnicodeDecodeError when redirecting to file http://stackoverflow.com/questions/4545661/unicodedecodeerror-when-redirecting-to-file known characters. On the other hand computers do need to represent abstract characters in some way they use arrays of bytes numbers.. . Thus a computer requires an encoding in order to represent characters. Any text present on your computer is encoded until.. for these characters . In summary computers need to represent characters with a specific encoding scheme and they do so through..
Efficient way of parsing fixed width files in Python http://stackoverflow.com/questions/4914008/efficient-way-of-parsing-fixed-width-files-in-python files that holds fixed width lines. Example first 20 chars represent a column from 21 30 another one and so on. Let's assume that.. field. import struct fieldwidths 2 10 24 # negative widths represent ignored padding fields fmtstring ' '.join ' '.format abs fw.. n' fieldwidths 2 10 24 # negative widths represent ignored padding fields parse make_parser fieldwidths fields..
Convert XML/HTML Entities into Unicode String in Python http://stackoverflow.com/questions/57708/convert-xml-html-entities-into-unicode-string-in-python web scraping and sites frequently use HTML entities to represent non ascii characters. Does Python have a utility that takes.. returns a unicode type For example I get back #x01ce which represents an with a tone mark. In binary this is represented as the 16.. which represents an with a tone mark. In binary this is represented as the 16 bit 01ce. I want to convert the html entity into..
http://stackoverflow.com/questions/5957341/python-list-confusion 0 0 23 0 0 0 0 0 0 0 0 0 I managed to find another way to represent my data to avoid this but why is this happening Why isn't just..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields is that it uses several pure and simple Django models to represent dynamic fields which makes it simple to understand and database..
How do you validate a URL with a regular expression in Python? http://stackoverflow.com/questions/827557/how-do-you-validate-a-url-with-a-regular-expression-in-python I'm building a Google App Engine app and I have a class to represent an RSS Feed. I have a method called setUrl which is part of..
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