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Rotating a two-dimensional array in Python
...2]]
This list is passed into zip() using argument unpacking, so the zip call ends up being the equivalent of this:
zip([3, 4],
[1, 2])
# ^ ^----column 2
# |-------column 1
# returns [(3, 1), (4, 2)], which is a original rotated clockwise
Hopefully the comments make it clear what zip ...
Keyword not supported: “data source” initializing Entity Framework Context
...
This appears to be missing the providerName="System.Data.EntityClient" bit. Sure you got the whole thing?
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How to start a background process in Python?
...e way your shell script did, or you can spawn it:
import os
os.spawnl(os.P_DETACH, 'some_long_running_command')
(or, alternatively, you may try the less portable os.P_NOWAIT flag).
See the documentation here.
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Django - what is the difference between render(), render_to_response() and direct_to_template()?
...and spanking new shortcut for render_to_response in 1.3 that will automatically use RequestContext that I will most definitely be using from now on.
2020 EDIT: It should be noted that render_to_response() was removed in Django 3.0
https://docs.djangoproject.com/en/1.8/topics/http/shortcuts/#rend...
What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...ms to be the owner of the orders.
But in the SQL world, one item will actually contain a pointer to the other. Since there is 1 customer for N orders, each order contains a foreign key to the customer it belongs to. This is the "connection" and this means the order "owns" (or literally contains) th...
Find the index of a dict within a list, by matching the dict's value
...as readable or Pythonic is @Emile's answer. Because the intention is not really to create a generator (and using next() for this seems weird to me), the aim is just to get the index. Also, this raises StopIteration, whereas the Python lst.index() method raises ValueError.
– Ben...
How to find out if an item is present in a std::vector?
All I want to do is to check whether an element exists in the vector or not, so I can deal with each case.
18 Answers
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Converting String to Int with Swift
The application basically calculates acceleration by inputting Initial and final velocity and time and then use a formula to calculate acceleration. However, since the values in the text boxes are string, I am unable to convert them to integers.
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How to empty/destroy a session in rails?
.../ActionController/Base.html#M000668
Resets the session by clearing out all
the objects stored within and
initializing a new session object.
Good luck!
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CocoaPods - use specific pod version
...erminal again. This tells CocoaPods that you have a different version installed and that it must update.
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