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How can I reverse a list in Python?
How can I do the following in Python?
35 Answers
35
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Converting a list to a set changes element order
...rship tests and preservation of insertion order, you can use the keys of a Python dictionary, which starting from Python 3.7 is guaranteed to preserve the insertion order:
>>> a = dict.fromkeys([1, 2, 20, 6, 210])
>>> b = dict.fromkeys([6, 20, 1])
>>> dict.fromkeys(x for ...
In Python, how do I iterate over a dictionary in sorted key order?
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Haven't tested this very extensively, but works in Python 2.5.2.
>>> d = {"x":2, "h":15, "a":2222}
>>> it = iter(sorted(d.iteritems()))
>>> it.next()
('a', 2222)
>>> it.next()
('h', 15)
>>> it.next()
('x', 2)
>>>
If you...
How to access the local Django webserver from outside world
...go using the built-in webserver and was able to successfully run it using python manage.py runserver . If I access 127.0.0.1:port locally from the webserver, I get the Django page indicating it worked.
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Why doesn't Python have multiline comments?
...eel the need for multi-line comments".
Guido has tweeted about this:
Python tip: You can use multi-line strings as multi-line comments. Unless used as docstrings, they generate no code! :-)
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Use of “global” keyword in Python
What I understand from reading the documentation is that Python has a separate namespace for functions, and if I want to use a global variable in that function, I need to use global .
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How to measure elapsed time in Python?
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I think that python -mtimeit is way better as it runs more times and it is build as a native way to measure time in python
– Visgean Skeloru
Feb 3 '14 at 22:06
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How to print a string in fixed width?
...gt;> print '%5s' % 'aaaaa'
aaaaa
Basically:
the % character informs python it will have to substitute something to a token
the s character informs python the token will be a string
the 5 (or whatever number you wish) informs python to pad the string with spaces up to 5 characters.
In your s...
What is a correct mime type for docx, pptx etc?
...ion and supplying MIME-type for each of them. Let the system do this job.
Python 3
Using python-magic
>>> pip install python-magic
>>> import magic
>>> magic.from_file("Employee.pdf", mime=True)
'application/pdf'
Using built-in mimeypes module - Map filenames to MimeT...
Get HTML Source of WebElement in Selenium WebDriver using Python
I'm using the Python bindings to run Selenium WebDriver:
14 Answers
14
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