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python Programming Glossary: expr

Python - how does passing values work?

http://stackoverflow.com/questions/11585768/python-how-does-passing-values-work

Say I want to write a function called superLongFunc expr . The function is super long and really hard to debug. I want.. for better readability to something like smallFunc1 expr smallFunc2 expr etc. My question is does this affect the performance.. readability to something like smallFunc1 expr smallFunc2 expr etc. My question is does this affect the performance of the..

Writing Python bindings for C++ code that use OpenCV

http://stackoverflow.com/questions/12957492/writing-python-bindings-for-c-code-that-use-opencv

_state private PyGILState_STATE _state #define ERRWRAP2 expr try PyAllowThreads allowThreads expr catch const cv Exception.. #define ERRWRAP2 expr try PyAllowThreads allowThreads expr catch const cv Exception e PyErr_SetString opencv_error e.what..

How can a recursive regexp be implemented in python?

http://stackoverflow.com/questions/1656859/how-can-a-recursive-regexp-be-implemented-in-python

not found any examples . For example how would one write expression which matches bracket balanced string like foo bar bar.. 1 if not astring.startswith ' ' astring ' ' astring ' ' expr nestedExpr ' ' ' ' result expr.parseString astring .asList 0.. ' ' astring ' ' astring ' ' expr nestedExpr ' ' ' ' result expr.parseString astring .asList 0 print result Running it yields..

Evaluating a mathematical expression in a string

http://stackoverflow.com/questions/2371436/evaluating-a-mathematical-expression-in-a-string

a mathematical expression in a string stringExp 2^4 intVal int stringExp # Expected.. more importantly safer method to evaluate a mathematical expression that is being stored in a string python math share.. question Pyparsing can be used to parse mathematical expressions. In particular fourFn.py shows how to parse basic arithmetic..

Converting a python numeric expression to LaTeX

http://stackoverflow.com/questions/3867028/converting-a-python-numeric-expression-to-latex

a python numeric expression to LaTeX I need to convert strings with valid python.. have tried sympy's latex function but it processes actual expression rather than the string form of it latex 1 2 x y ' 1 2^.. return str n def generic_prec self n return 0 def py2tex expr pt ast.parse expr return LatexVisitor .visit pt.body 0 .value..

Why is parenthesis in print voluntary in Python 2.7?

http://stackoverflow.com/questions/6182964/why-is-parenthesis-in-print-voluntary-in-python-2-7

also why it can't be used like lambda x print x Note that expr does not create a Tuple it results in expr but does. This likely.. x Note that expr does not create a Tuple it results in expr but does. This likely results in the confusion between print..

How to tell if one regular expression matches a subset of another regular expression?

http://stackoverflow.com/questions/6363397/how-to-tell-if-one-regular-expression-matches-a-subset-of-another-regular-expres

to tell if one regular expression matches a subset of another regular expression I'm just.. one regular expression matches a subset of another regular expression I'm just wondering if it's possible to use one regular.. I'm just wondering if it's possible to use one regular expression to match another that is some sort of 'a z' .match 'b..