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python multithreading wait till all threads finished
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In Python3, since Python 3.2 there is a new approach to reach the same result, that I personally prefer to the traditional thread creation/start/join, package concurrent.futures: https://docs.python.org/3/library/concurrent.futu...
Replace console output in Python
I'm wondering how I could create one of those nifty console counters in Python as in certain C/C++-programs.
10 Answers
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Python CSV error: line contains NULL byte
...o.write(data.replace('\x00', '')) be fo.write(data.replace(b'\x00', b''))? Python 3.6 here...
– Boern
Jan 8 '19 at 9:08
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show 3 more commen...
Python recursive folder read
I have a C++/Obj-C background and I am just discovering Python (been writing it for about an hour).
I am writing a script to recursively read the contents of text files in a folder structure.
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Compare two MySQL databases [closed]
...ompare utility developed by MySQL themselves which you can use on Windows, Linux or Mac - it can also output SQL statements for both data AND schema changes and does a lot more tests than a simple command line diff could determine.
– Jasdeep Khalsa
Oct 4 '14 at...
OS X Bash, 'watch' command
I'm looking for the best way to duplicate the Linux 'watch' command on Mac OS X. I'd like to run a command every few seconds to pattern match on the contents of an output file using 'tail' and 'sed'.
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How can I add new keys to a dictionary?
Is it possible to add a key to a Python dictionary after it has been created?
16 Answers
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Why is it string.join(list) instead of list.join(string)?
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This was discussed in the String methods... finally thread in the Python-Dev achive, and was accepted by Guido. This thread began in Jun 1999, and str.join was included in Python 1.6 which was released in Sep 2000 (and supported Unicode). Python 2.0 (supported str methods including join) wa...
Is there an easy way to request a URL in python and NOT follow redirects?
...ou to access headers both in the canonical form and in lowercase. See docs.python-requests.org/en/master/user/quickstart/…
– Marian
May 12 '17 at 7:21
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Python : List of dict, if exists increment a dict value, if not append a new dict
... a dictionary, this is easy:
# This example should work in any version of Python.
# urls_d will contain URL keys, with counts as values, like: {'http://www.google.fr/' : 1 }
urls_d = {}
for url in list_of_urls:
if not url in urls_d:
urls_d[url] = 1
else:
urls_d[url] += 1
T...