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Is there a math nCr function in python? [duplicate]
I'm looking to see if built in with the math library in python is the nCr (n Choose r) function:
2 Answers
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Python: Fetch first 10 results from a list [duplicate]
...it's best not to use list as a variable identifier as it's already used by Python: list()
To find out more about these type of operations you might find this tutorial on lists helpful and the link @DarenThomas provided Explain Python's slice notation - thanks Daren)
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PyLint, PyChecker or PyFlakes? [closed]
... much choose your check rules) on the following script :
#!/usr/local/bin/python
# by Daniel Rosengren modified by e-satis
import sys, time
stdout = sys.stdout
BAILOUT = 16
MAX_ITERATIONS = 1000
class Iterator(object) :
def __init__(self):
print 'Rendering...'
for y in xran...
Is the buildSessionFactory() Configuration method deprecated in Hibernate
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Code verified to work in Hibernate 4.3.0. Notice you can remove the XML filename parameter, or else provide your own path there. This is similar to (but typos corrected) other posts here, but this one is correct.
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.Standa...
Why does `a == b or c or d` always evaluate to True?
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In many cases, Python looks and behaves like natural English, but this is one case where that abstraction fails. People can use context clues to determine that "Jon" and "Inbar" are objects joined to the verb "equals", but the Python interp...
Pickle or json?
...nteroperability requirements (e.g. you are just going to use the data with Python) and a binary format is fine, go with cPickle which gives you really fast Python object serialization.
If you want interoperability or you want a text format to store your data, go with JSON (or some other appropriate...
How to import a module given the full path?
How can I load a Python module given its full path? Note that the file can be anywhere in the filesystem, as it is a configuration option.
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Chrome can't load web worker
...e a more general solution for it. Instead of installing wamp or xamp, with python you can navigate to the folder your project is hosted in and type: python -m http.server
Just that and you will have a running server on that folder, reachable from localhost.
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Python pip install fails: invalid command egg_info
I find that recently often when I try to install a Python package using pip , I get the error(s) below.
15 Answers
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Extract traceback info from an exception object
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The answer to this question depends on the version of Python you're using.
In Python 3
It's simple: exceptions come equipped with a __traceback__ attribute that contains the traceback. This attribute is also writable, and can be conveniently set using the with_traceback method...