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What is AF_INET, and why do I need it?
...tion. AF stands for Address Family.
As in BSD standard Socket (adopted in Python socket module) addresses are represented as follows:
A single string is used for the AF_UNIX/AF_LOCAL address family. This option is used for IPC on local machines where no IP address is required.
A pair (host, port)...
Running unittest with typical test directory structure
The very common directory structure for even a simple Python module seems to be to separate the unit tests into their own test directory:
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Version of Apache installed on a Debian machine
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Worked fine on Red Hat Enterprise Linux 6 (64-bit)
– DemiSheep
Jan 26 '16 at 16:49
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Convert a python UTC datetime to a local datetime using only python standard library?
I have a python datetime instance that was created using datetime.utcnow() and persisted in database.
12 Answers
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Running single test from unittest.TestCase via command line
...s works as you suggest - you just have to specify the class name as well:
python testMyCase.py MyCase.testItIsHot
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List comprehension on a nested list?
...n.
Lets do a performance benchmark to see if it is actually true. I used python version 3.5.0 to perform all these tests. In first set of tests I would like to keep elements per list to be 10 and vary number of lists from 10-100,000
>>> python -m timeit "[list(map(float,k)) for k in [lis...
How to prevent a background process from being stopped after closing SSH client in Linux
I'm working on a Linux machine through SSH (Putty). I need to leave a process running during the night, so I thought I could do that by starting the process in background (with an ampersand at the end of the command) and redirecting stdout to a file.
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What is the purpose of the -m switch?
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The first line of the Rationale section of PEP 338 says:
Python 2.4 adds the command line switch -m to allow modules to be located using the Python module namespace for execution as scripts. The motivating examples were standard library modules such as pdb and profile, and the Pyth...
What does the brk() system call do?
According to Linux programmers manual:
8 Answers
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multiple prints on the same line in Python
...uld note that there will be an extra space at the end of the output).
The Python 3 Solution
Since the above does not work in Python 3, you can do this instead (again, without importing sys):
def install_xxx():
print("Installing XXX... ", end="", flush=True)
install_xxx()
print("[DONE]")
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