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Is there a zip-like function that pads to longest length in Python?
...ertools.zip_longest
>>> list(itertools.zip_longest(a, b, c))
[('a1', 'b1', 'c1'), (None, 'b2', 'c2'), (None, 'b3', None)]
You can pad with a different value than None by using the fillvalue parameter:
>>> list(itertools.zip_longest(a, b, c, fillvalue='foo'))
[('a1', 'b1', 'c1')...
Best way to store date/time in mongodb
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201
The best way is to store native JavaScript Date objects, which map onto BSON native Date objects...
UIButton remove all target-actions
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831
Call removeTarget:action:forControlEvents:, pass nil for the target, NULL for action, and use a ...
Are table names in MySQL case sensitive?
...ames (in the my.cnf configuration file under [mysqld]).
Read the section: 10.2.2 Identifier Case Sensitivity for more information.
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SET versus SELECT when assigning variables?
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417
Quote, which summarizes from this article:
SET is the ANSI standard for variable assignm...
How to determine the longest increasing subsequence using dynamic programming?
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19 Answers
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How to extract public key using OpenSSL?
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192
openssl rsa -in privkey.pem -pubout > key.pub
That writes the public key to key.pub
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How to declare constant map
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157
Your syntax is incorrect. To make a literal map (as a pseudo-constant), you can do:
var roma...
Efficient way to rotate a list in python
... dedicated rotate() method.
from collections import deque
items = deque([1, 2])
items.append(3) # deque == [1, 2, 3]
items.rotate(1) # The deque is now: [3, 1, 2]
items.rotate(-1) # Returns deque to original state: [1, 2, 3]
item = items.popleft() # deque == [2, 3]
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Why can't non-default arguments follow default arguments?
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177
All required parameters must be placed before any default arguments. Simply because they are m...