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python Programming Glossary: insWhy is if not someobj: better than if someobj == None: in Python? http://stackoverflow.com/questions/100732/why-is-if-not-someobj-better-than-if-someobj-none-in-python has a __nonzero__ special method as do numeric built ins int and float it calls this method. It must either return a.. object has a __len__ special method as do container built ins list dict set tuple ... it calls this method considering a container..
Get a dict of all variables currently in scope and their values http://stackoverflow.com/questions/1041639/get-a-dict-of-all-variables-currently-in-scope-and-their-values to reference all the variables that are currently in scope inside the string. Hence the expected output would be Vars 25 123.. of merging globals and locals is missing is a builtins I imagine that's deliberate i.e. you don't think of builtins.. I imagine that's deliberate i.e. you don't think of builtins as variables ... but they COULD be if you so choose and b if..
http://stackoverflow.com/questions/1087255/use-of-eval-in-python people ab use exec and eval for Python's powerful built ins such as getattr and setattr indexing into globals c provide..
http://stackoverflow.com/questions/1115313/cost-of-len-function What is the cost of len function for Python built ins Is it same for all built ins list tuple string dictionary python.. len function for Python built ins Is it same for all built ins list tuple string dictionary python algorithm collections complexity..
Getting SciPy quantiles to match Stata xtile function http://stackoverflow.com/questions/11347539/getting-scipy-quantiles-to-match-stata-xtile-function better word . I admit that I do not understand all of the ins and outs of the statistics involved so I settled on a brute..
What are the best books and resources for learning to develop, deploy and/or host Django? [closed] http://stackoverflow.com/questions/1145414/what-are-the-best-books-and-resources-for-learning-to-develop-deploy-and-or-hos I'm looking for some good resources to help me learn the ins and outs of Django Python. Any recommendations python django..
Why is the PyObjC documentation so bad? [closed] http://stackoverflow.com/questions/14422/why-is-the-pyobjc-documentation-so-bad them were developed by people intimately familiar with the ins and outs of ObjC and Cocoa. For now you will benefit the most..
What do you wish you'd known about when you started learning Python? [closed] http://stackoverflow.com/questions/1710363/what-do-you-wish-youd-known-about-when-you-started-learning-python much functionality that other languages would make intrinsic is actually made available by the standard library and the.. made available by the standard library and the built ins. The language itself is small and simple but until you're familiar.. small and simple but until you're familiar with the built ins and the core parts of the standard library e.g. nowadays sys..
Sqlite / SQLAlchemy: how to enforce Foreign Keys? http://stackoverflow.com/questions/2614984/sqlite-sqlalchemy-how-to-enforce-foreign-keys problem is that I have more than one version of SQLite installed and Python is not using the latest one import sqlite3.. sqlite foreign key support is enabled is to do a manual insert from a declarative ORM class # example ins Coverage.__table__.insert.. do a manual insert from a declarative ORM class # example ins Coverage.__table__.insert .values id 99 description 'Wrong'..
Iterate over the lines of a string http://stackoverflow.com/questions/3054604/iterate-over-the-lines-of-a-string curiosity. Python has so many useful and efficient built ins for such stuff but I could find nothing that suits this need...
Run a python script from another python script, passing in args http://stackoverflow.com/questions/3781851/run-a-python-script-from-another-python-script-passing-in-args not accept vars properly. When I print out the 'sys.argv' ins script2.py it is the original command call to first script 'C..
Python difflib: highlighting differences inline? http://stackoverflow.com/questions/774316/python-difflib-highlighting-differences-inline ipsum dolor sit amet b lorem foo ipsum dolor amet lorem ins foo ins ipsum dolor del sit del amet While difflib.HtmlDiff.. dolor sit amet b lorem foo ipsum dolor amet lorem ins foo ins ipsum dolor del sit del amet While difflib.HtmlDiff appears.. two compared strings seqm is a difflib.SequenceMatcher instance whose a b are strings output for opcode a0 a1 b0 b1 in..
Python: find first element in a sequence that matches a predicate http://stackoverflow.com/questions/8534256/python-find-first-element-in-a-sequence-that-matches-a-predicate so they tend to be repeated over time if there are built ins that already provide the same. python find predicate share..
Why substring slicing index out of range works in Python? http://stackoverflow.com/questions/9490058/why-substring-slicing-index-out-of-range-works-in-python outside the bounds of a sequence at least for built ins doesn't cause an error. It makes sense when you think about..
How to find out the arity of a method in Python http://stackoverflow.com/questions/990016/how-to-find-out-the-arity-of-a-method-in-python metaprogramming share improve this question Module inspect from Python's standard library is your friend see the online.. standard library is your friend see the online docs inspect.getargspec func returns a tuple with four items args varargs.. in the Python C API lets C coded functions including built ins expose their signature for introspection except via their docstring..
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