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Python: print a generator expression?
...around a generator expression is (almost) exactly equivalent to having [] brackets around it. So yeah, you can do
>>> list((x for x in string.letters if x in (y for y in "BigMan on campus")))
But you can just as well do
>>> [x for x in string.letters if x in (y for y in "BigMa...
How can I use threading in Python?
...rstand threading in Python. I've looked at the documentation and examples, but quite frankly, many examples are overly sophisticated and I'm having trouble understanding them.
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What is @ModelAttribute in Spring MVC?
What is the purpose and usage of @ModelAttribute in Spring MVC?
13 Answers
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C/C++ with GCC: Statically add resource files to executable/library
Does anybody have an idea how to statically compile any resource file right into the executable or the shared library file using GCC?
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python pandas: apply a function with arguments to a series
...want to pass more parameters you should use functools.partial as suggested by Joel Cornett in his comment.
An example:
>>> import functools
>>> import operator
>>> add_3 = functools.partial(operator.add,3)
>>> add_3(2)
5
>>> add_3(7)
10
You can also p...
Principal component analysis in Python
...might have a look at MDP.
I have not had the chance to test it myself, but I've bookmarked it exactly for the PCA functionality.
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Why can't C++ be parsed with a LR(1) parser?
I was reading about parsers and parser generators and found this statement in wikipedia's LR parsing -page:
6 Answers
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what does the __file__ variable mean/do?
I usually just hard-wire these with the actual path. But there is a reason for these statements that determine path at runtime, and I would really like to understand the os.path module so that I can start using it.
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Performance of Arrays vs. Lists
...need iterate frequently, and I mean extremely often. The reasons may vary, but say it's in the heart of the inner most loop of a high volume processing.
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How Pony (ORM) does its tricks?
...Python generator into SQL query in three steps:
Decompiling of generator bytecode and rebuilding generator AST
(abstract syntax tree)
Translation of Python AST into "abstract SQL" -- universal
list-based representation of a SQL query
Converting abstract SQL representation into specific
database-de...