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Inherit docstrings in Python class inheritance
... pass
However, that is useless. Most documentation generation tool (Sphinx and Epydoc included) will already pull parent docstring, including for methods. So you don't have to do anything.
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Quicksort: Choosing the pivot
...erted:
'Median of 3' is NOT first last middle. Choose three random indexes, and take the middle value of this. The whole point is to make sure that your choice of pivots is not deterministic - if it is, worst case data can be quite easily generated.
To which I responded:
Analysis Of Hoare's ...
Having Django serve downloadable files
...For the "best of both worlds" you could combine S.Lott's solution with the xsendfile module: django generates the path to the file (or the file itself), but the actual file serving is handled by Apache/Lighttpd. Once you've set up mod_xsendfile, integrating with your view takes a few lines of code:
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What is pseudopolynomial time? How does it differ from polynomial time?
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The common intuition for polynomial time is "time O(nk) for some k." For example, selection sort runs in time O(n2), which is polynomial time, while brute-force solving TSP takes time O(n · n!), which isn't polynomial time.
These runtimes all refer to some variable n that tracks the size of the i...
Printing Lists as Tabular Data
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If using python2.6 remember to add team_list index on row_format: row_format ="{0:>15}{1:>15}{2:>15}"
– Luis Muñoz
Feb 13 '14 at 19:09
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How to create a hash or dictionary object in JavaScript [duplicate]
...estriction on when you can modify the object and you can use the same syntax as in the answer: a["key3"] = "value3";
– mcmlxxxvi
Jul 26 '13 at 21:20
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Saving images in Python at a very high quality
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If you are using matplotlib and trying to get good figures in a latex document, save as an eps. Specifically, try something like this after running the commands to plot the image:
plt.savefig('destination_path.eps', format='eps')
I have found that eps files work best and the dpi parameter ...
Load RSA public key from file
...vateKeyReader {
public static PrivateKey get(String filename)
throws Exception {
byte[] keyBytes = Files.readAllBytes(Paths.get(filename));
PKCS8EncodedKeySpec spec =
new PKCS8EncodedKeySpec(keyBytes);
KeyFactory kf = KeyFactory.getInstance("RSA");
return kf.generatePriv...
What is the difference between static func and class func in Swift?
...verridden by subclasses.
Protocols use the class keyword, but it doesn't exclude structs from implementing the protocol, they just use static instead. Class was chosen for protocols so there wouldn't have to be a third keyword to represent static or class.
From Chris Lattner on this topic:
We ...
Create list of single item repeated N times
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You can also write:
[e] * n
You should note that if e is for example an empty list you get a list with n references to the same list, not n independent empty lists.
Performance testing
At first glance it seems that repeat is the fastest way to create a list with n identical elements:...