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How to generate all permutations of a list?
... and above ONLY
First, import itertools:
import itertools
Permutation (order matters):
print list(itertools.permutations([1,2,3,4], 2))
[(1, 2), (1, 3), (1, 4),
(2, 1), (2, 3), (2, 4),
(3, 1), (3, 2), (3, 4),
(4, 1), (4, 2), (4, 3)]
Combination (order does NOT matter):
print list(itertools.c...
Saving interactive Matplotlib figures
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On my py3.5 on MacOS 10.11, the order of fig.show() doesn't appear to matter - maybe that bug was fixed. I can pickle before/after show() without issue.
– Demis
Feb 1 '16 at 19:42
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How does one remove an image in Docker?
..., you now have:
docker system prune will delete ALL unused data (i.e., in order: containers stopped, volumes without containers and images with no containers).
See PR 26108 and commit 86de7c0, which are introducing a few new commands to help facilitate visualizing how much space the Docker daemon ...
mysql :: insert into table, data from another table?
...Sane: 1) give an answer 2) correct the question formatting. Don't miss the order next time ;-)
– zerkms
Nov 22 '10 at 2:09
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Changing selection in a select with the Chosen plugin
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Sometimes you have to remove the current options in order to manipulate the selected options.
Here is an example how to set options:
<select id="mySelectId" class="chosen-select" multiple="multiple">
<option value=""></option>
<option value="Argentin...
Reading binary file and looping over each byte
...ach byte using mmap consumes more memory than file.read(1), but mmap is an order of magnitude faster.
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Disable LESS-CSS Overwriting calc() [duplicate]
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How can I access and process nested objects, arrays or JSON?
...= 2;
});
// Object {id: 2, name: "bar"}
From my experience, using higher order functions instead of for or for..in loops results in code that is easier to reason about, and hence more maintainable.
Just my 2 cents.
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Setting an int to Infinity in C++
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The difference between fork(), vfork(), exec() and clone()
...standings if you think after forking there is an implicit notion of serial order. Forking creates a new process and then returns control to both processes (each returning a different pid) - the operating system can schedule the new process to run in parallel if such a thing makes sense (e.g. multipl...