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How to use timeit module
... you defined earlier during the interactive session by importing them from __main__ in the setup statement:
>>> def f(x):
... return x * x
...
>>> import timeit
>>> timeit.repeat("for x in range(100): f(x)", "from __main__ import f",
number=100000)...
What does enumerate() mean?
What does for row_number, row in enumerate(cursor): do in Python?
5 Answers
5
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How to use Boost in Visual Studio 2010
...boost (1.47.0 as of writing) into a directory of your choice (e.g. C:\boost_1_47_0).
Create a new empty project in Visual Studio.
Open the Property Manager and expand one of the configuration for the platform of your choice.
Select & right click Microsoft.Cpp.<Platform>.user, and select Pr...
What is a Python equivalent of PHP's var_dump()? [duplicate]
When debugging in PHP, I frequently find it useful to simply stick a var_dump() in my code to show me what a variable is, what its value is, and the same for anything that it contains.
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Getting list of parameter names inside python function [duplicate]
....
>>> func = lambda x, y: (x, y)
>>>
>>> func.__code__.co_argcount
2
>>> func.__code__.co_varnames
('x', 'y')
>>>
>>> def func2(x,y=3):
... print(func2.__code__.co_varnames)
... pass # Other things
...
>>> func2(3,3)
('x', 'y')
>...
Redirect stdout to a file in Python?
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@mgold or you can use sys.stdout = sys.__stdout__ to get it back.
– clemtoy
Jul 9 '15 at 12:52
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Get original URL referer with PHP?
I am using $_SERVER['HTTP_REFERER']; to get the referer Url. It works as expected until the user clicks another page and the referer changes to the last page.
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How to parse/read a YAML file into a Python object? [duplicate]
...e looks like this:
import yaml
with open('tree.yaml') as f:
# use safe_load instead load
dataMap = yaml.safe_load(f)
The variable dataMap now contains a dictionary with the tree data. If you print dataMap using PrettyPrint, you will get something like:
{'treeroot': {'branch1': {'branch1-...
python: Change the scripts working directory to the script's own directory
..., you can use the os.path functions:
import os
abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)
This takes the filename of your script, converts it to an absolute path, then extracts the directory of that path, then changes into that directory.
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django urls without a trailing slash do not redirect
...
check your APPEND_SLASH setting in the settings.py file
more info in the django docs
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