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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...
What is the current choice for doing RPC in Python? [closed]
...you really need a cross-language framework that literally tries to connect PHP to C++ to Java to Python to Erlang to Common Lisp to Haskell to Swift. These are different languages, for a reason, and Thrift needs to do compromises to find a common denominator. I'd argue that the vast majority of peop...
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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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...
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 ...
jQuery - Illegal invocation
...Data: false in ajax settings like this
$.ajax({
url : base_url+'index.php',
type: 'POST',
dataType: 'json',
data: data,
cache : false,
processData: false
}).done(function(response) {
alert(response);
});
...
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...
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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