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What is the difference between shallow copy, deepcopy and normal assignment operation?
...rmal assignment operations will simply point the new variable towards the existing object. The docs explain the difference between shallow and deep copies:
The difference between shallow and deep copying is only relevant for
compound objects (objects that contain other objects, like lists or
...
How can I change image tintColor in iOS and WatchKit
...iPhone app, you cannot set the template rendering in code in the WatchKit Extension at present.
Set that image to be used in your WKInterfaceImage in interface builder for your app
Create an IBOutlet in your WKInterfaceController for the WKInterfaceImage called 'theImage'...
To then set the tint c...
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...
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.
share
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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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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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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...
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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