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'str' object does not support item assignment in Python
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In Python, strings are immutable, so you can't change their characters in-place.
You can, however, do the following:
for i in str:
srr += i
The reasons this works is that it's a shortcut for:
for i in str:
srr = srr...
How to calculate a mod b in Python?
Is there a modulo function in the Python math library?
7 Answers
7
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JSON datetime between Python and JavaScript
I want to send a datetime.datetime object in serialized form from Python using JSON and de-serialize in JavaScript using JSON. What is the best way to do this?
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Importing modules from parent folder
I am running Python 2.5.
21 Answers
21
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Command to get time in milliseconds
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date command didnt provide milli seconds on OS X, so used an alias from python
millis(){ python -c "import time; print(int(time.time()*1000))"; }
OR
alias millis='python -c "import time; print(int(time.time()*1000))"'
EDIT: following the comment from @CharlesDuffy.
Forking any child process t...
Creating a new dictionary in Python
I want to build a dictionary in Python. However, all the examples that I see are instantiating a dictionary from a list, etc . ..
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How can I get the behavior of GNU's readlink -f on a Mac?
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You may be interested in realpath(3), or Python's os.path.realpath. The two aren't exactly the same; the C library call requires that intermediary path components exist, while the Python version does not.
$ pwd
/tmp/foo
$ ls -l
total 16
-rw-r--r-- 1 miles whee...
When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]
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"Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design". If you are building something that is similar to a e-commerce site, then you should probably go with Django. It will get your work done quic...
How can I do a line break (line continuation) in Python?
...is is from the guide: The preferred way of wrapping long lines is by using Python's implied line continuation inside parentheses, brackets and braces. If necessary, you can add an extra pair of parentheses around an expression, but sometimes using a backslash looks better.
– J...
RuntimeError on windows trying python multiprocessing
I am trying my very first formal python program using Threading and Multiprocessing on a windows machine. I am unable to launch the processes though, with python giving the following message. The thing is, I am not launching my threads in the main module. The threads are handled in a separate modu...