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How to get UTC time in Python?
...t dates. The results of such substraction is a timedelta object.
From the python docs:
class datetime.timedelta([days[, seconds[, microseconds[, milliseconds[, minutes[, hours[, weeks]]]]]]])
And this means that by default you can get any of the fields mentioned in it's definition -
days, secon...
How to send cookies in a post request with the Python Requests library?
...n: This question and the code in the answer is about setting a cookie in a Python request. The request does something similar to a browser request, but no browsers are involved.
– DDay
Jan 20 at 23:03
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How can you set class attributes from variable arguments (kwargs) in python
...he keys beforehand (use iteritems instead of items if you’re still using Python 2.x).
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Get exception description and stack trace which caused an exception, all as a string
I've seen a lot of posts about stack trace and exceptions in Python. But haven't found what I need.
11 Answers
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Version number comparison in Python
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Note cmp() has been removed in Python 3: docs.python.org/3.0/whatsnew/3.0.html#ordering-comparisons
– Dominic Cleal
May 12 '14 at 12:59
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Any reason not to use '+' to concatenate two strings?
A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
How many classes should I put in one file? [closed]
I'm used to the Java model where you can have one public class per file. Python doesn't have this restriction, and I'm wondering what's the best practice for organizing classes.
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How do I get current URL in Selenium Webdriver 2 Python?
...e's a command called getLocation for ruby, but I can't find the syntax for Python.
4 Answers
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How do I check that multiple keys are in a dict in a single pass?
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if {"foo", "bar"} <= myDict.keys(): ...
If you're still on Python 2, you can do
if {"foo", "bar"} <= myDict.viewkeys(): ...
If you're still on a really old Python <= 2.6, you can call set on the dict, but it'll iterate over the whole dict to build the set, and that's slow:
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What do I use for a max-heap implementation in Python?
Python includes the heapq module for min-heaps, but I need a max heap. What should I use for a max-heap implementation in Python?
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