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Rotating a two-dimensional array in Python
...r the following two-dimensional list:
original = [[1, 2],
[3, 4]]
Lets break it down step by step:
>>> original[::-1] # elements of original are reversed
[[3, 4], [1, 2]]
This list is passed into zip() using argument unpacking, so the zip call ends up being the equivalen...
How to host a Node.Js application in shared hosting [closed]
...//Spawn node server in the background and return its pid
$pid = exec('PORT=49999 node/bin/node ' . $file . ' >/dev/null 2>&1 & echo $!');
//Wait for node to start up
usleep(500000);
//Connect to node server using cURL
$curl = curl_init('http://127.0.0.1:49999/');
curl_setopt($curl, CUR...
How do I see the commit differences between branches in git?
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edited Dec 20 '12 at 4:46
Matthieu
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answer...
How to uninstall Python 2.7 on a Mac OS X 10.6.4?
I want to completely remove Python 2.7 from my Mac OS X 10.6.4. I managed to remove the entry from the PATH variable by reverting my .bash_profile . But I also want to remove all directories, files, symlinks, and entries that got installed by the Python 2.7 install package. I've got the install p...
Why are functions in Ocaml/F# not recursive by default?
...7
J DJ D
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MySQL “incorrect string value” error when save unicode string in Django
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143
None of these answers solved the problem for me. The root cause being:
You cannot store 4-byt...
Floating point vs integer calculations on modern hardware
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answered Mar 31 '10 at 4:05
DanDan
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Replace values in list using Python [duplicate]
...lace if you want, but it doesn't actually save time:
items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
for index, item in enumerate(items):
if not (item % 2):
items[index] = None
Here are (Python 3.6.3) timings demonstrating the non-timesave:
In [1]: %%timeit
...: items = [0, 1, 2, 3, 4,...
Matplotlib scatter plot with different text at each data point
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489
I'm not aware of any plotting method which takes arrays or lists but you could use annotate() ...
How to get the nth element of a python list or a default if not available
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edited Jun 20 '18 at 19:48
John Kugelman
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