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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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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...
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 ...
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 ...
How to make URL/Phone-clickable UILabel?
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You can use a UITextView and select Detection for Links, Phone Numbers and other things in the inspector.
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Retrieve list of tasks in a queue in Celery
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Has anybody experienced that i.reserved() won't have an accurate list of active tasks? I have tasks running that don't show up in the list. I'm on django-celery==3.1.10
– Seperman
Jun 13 '14 at 23:48...
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:...
Does Go have “if x in” construct similar to Python?
Without iterating over the entire array, how can I check if x in array using Go? Does the language have a construct?
7 A...
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...
Is there a difference between copy initialization and direct initialization?
...C++<=14) to just specifying the initialization of whatever object this expression is initialized to (loosely speaking) in C++17. These objects (called "result objects") are the variables created by a declaration (like a1), artificial objects created when the initialization ends up being discarded...