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Is there a simple way to remove multiple spaces in a string?
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test_string = 'The fox jumped over\n\t the log.' # trivial
Python 2.7.3, 32-bit, Windows
test | minum | maximum | average | median
---------------------+------------+------------+------------+-----------
while_replace_test | 0.001066 | 0.001260 | 0.001...
Static methods in Python?
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I am using python 2.7.12, with @staticmethod decorator I am unable to call first static method defined. Its givin error : TypeError: 'staticmethod' object is not callable
– Supratim Samantray
Jul 23 '17 a...
How do I check the difference, in seconds, between two dates?
...ct method, I believe, is to use timedelta.total_seconds()… But that is py2.7+ only.
– David Wolever
Aug 10 '11 at 16:19
6
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Cost of len() function
...: 0.0686 usec per loop
Dictionary (dictionary-comprehension available in 2.7+):
$ python -mtimeit -s"d = {i:j for i,j in enumerate(range(10))};" "len(d)"
10000000 loops, best of 3: 0.0711 usec per loop
$ python -mtimeit -s"d = {i:j for i,j in enumerate(range(1000000))};" "len(d)"
10000000 loops,...
C++ Build Systems - What to use? [closed]
...s, PyPy is a very powerful, fast-growing and motivated JIT-backed - Python 2.7 implementation. PyPy compatibility with Python 2.7 is simply amazing. However, Scons declared as unsupported project on the PyPy compatibility wiki.
Waf, on the other hand, modeled as python-based autotools sucessor, is f...
What is the difference between old style and new style classes in Python?
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@User: Old-style classes behave the same in 2.7 as they did in 2.1—and, because few people even remember the quirks, and the documentation no longer discusses most of them, they're even worse. The documentation quote above directly says this: there are "fixes" that c...
Getting key with maximum value in dictionary?
...216.7% 157.9% 40.8% 39.4% 38.0% 32.0% 14.7% --
And under Python 2.7:
rate/sec f3 f4 f8 f3b f6 f5 f2 f4b f7 f1
f3 384 -- -2.6% -97.1% -97.2% -97.9% -97.9% -98.0% -98.2% -98.5% -99.2%
f4 394 2.6% -- -97.0% -97.2% ...
What is the most compatible way to install python modules on a Mac?
...ir and py26-elixir, no py27 version. In cases like these you have:
pip-2.7 install --user elixir
( make sure you always type pip-(version) )
That will build an extra Python library in your home dir. Yes, Python will work with more than one library location: one controlled by MacPorts and a us...
How to find the kth largest element in an unsorted array of length n in O(n)?
... i)
If i > k, return Select(G, n-k, i-k)
It's also very nicely detailed in the Introduction to Algorithms book by Cormen et al.
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How to write header row with csv.DictWriter?
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Edit:
In 2.7 / 3.2 there is a new writeheader() method. Also, John Machin's answer provides a simpler method of writing the header row.
Simple example of using the writeheader() method now available in 2.7 / 3.2:
from collections imp...