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What is the most efficient way of finding all the factors of a number in Python?
...n to me an efficient way of finding all the factors of a number in Python (2.7)?
22 Answers
...
Python integer division yields float
... it might help someone instantly.
Behavior of Division Operator in Python 2.7 and Python 3
In Python 2.7: By default, division operator will return integer output.
to get the result in double multiple 1.0 to "dividend or divisor"
100/35 => 2 #(Expected is 2.857142857142857)
(100*1.0)/35 =...
How do you remove duplicates from a list whilst preserving order?
...n:
seen_add(k)
yield element
In Python 2.7+ the accepted common idiom (which works but isn't optimized for speed, I would now use unique_everseen) for this uses collections.OrderedDict:
Runtime: O(N)
>>> from collections import OrderedDict
>>> ...
Which one will execute faster, if (flag==0) or if (0==flag)?
... is designed for.
EDIT: Sprang up again, so let's add some assembly (LLVM 2.7 IR)
int regular(int c) {
if (c == 0) { return 0; }
return 1;
}
int yoda(int c) {
if (0 == c) { return 0; }
return 1;
}
define i32 @regular(i32 %c) nounwind readnone {
entry:
%not. = icmp ne i32 %c, 0 ...
What is the best way to remove accents (normalize) in a Python unicode string?
...
Actually I work on project compatible python 2.6, 2.7 and 3.4 and I have to create IDs from free user entries.
Thanks to you, I have created this function that works wonders.
import re
import unicodedata
def strip_accents(text):
"""
Strip accents from input Strin...
Is there a simple way to remove multiple spaces in a string?
...
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?
...
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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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?
...
@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...