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Python pandas: fill a dataframe row by row
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Difference between window.location.href, window.location.replace and window.location.assign
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Is it possible to forward-declare a function in Python?
...the bottom of the outermost source file, then you're free to define in any order.
– Bob Stein
Oct 26 '14 at 16:19
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How to sort a collection by date in MongoDB?
...').find({}).sort({_id:-1})
This will sort your collection in descending order based on the date of insertion
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Django dynamic model fields
...estions to be considered. You need to be sure to maintain a proper lock in order to allow simultaneous database altering requests.
If you are using Michael Halls lib, your code will look like this:
from dynamo import models
test_app, created = models.DynamicApp.objects.get_or_create(
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What is the __del__ method, How to call it?
...__ in a superclass, though it is not clear if this is in method resolution order (MRO) or just calling each superclass.
Having a __del__ means that the garbage collector gives up on detecting and cleaning any cyclic links, such as losing the last reference to a linked list. You can get a list of the...
Text size and different android screen sizes
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xlarge configuration qualifier (for example, res/layout-xlarge/). In
order to accommodate other types of tablets and screen sizes—in
particular, 7" tablets—Android 3.2 introduces a new way to specify
resources for more discrete screen sizes. The new technique is based
on the amount o...
How to merge YAML arrays?
...l caveats to YAML anchors and aliases apply for uniqueness and declaration order
Conclusion
This approach allows creation of merged lists by use of the alias and anchor feature of YAML.
Although the output result is a nested list of lists, this can be easily transformed using the flatten method....
Circle-Rectangle collision detection (intersection)
...s centre P and radius R, and the rectangle has vertices A, B, C, D in that order (not complete code):
def intersect(Circle(P, R), Rectangle(A, B, C, D)):
S = Circle(P, R)
return (pointInRectangle(P, Rectangle(A, B, C, D)) or
intersectCircle(S, (A, B)) or
intersectCir...
Use numpy array in shared memory for multiprocessing
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Good point about order of operations. That's what I had in mind, though: create a user-specified number of shared arrays, then spawn a few child processes. Is that straightforward?
– Andrew
Jan 19 '13 at...