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How to create a custom string representation for a class object?
..._() in the class's metaclass.
class MC(type):
def __repr__(self):
return 'Wahaha!'
class C(object):
__metaclass__ = MC
print C
Use __str__ if you mean a readable stringification, use __repr__ for unambiguous representations.
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Guards vs. if-then-else vs. cases in Haskell
I have three functions that find the nth element of a list:
3 Answers
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Django: How to completely uninstall a Django app?
What is the procedure for completely uninstalling a Django app, complete with database removal?
5 Answers
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How to compare types
Quick question: how to compare a Type type (pun not intended) with another type in C#?
I mean, I've a Type typeField and I want to know if it is System.String , System.DateTime , etc., but typeField.Equals(System.String) doesn't work.
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See what has been installed via MacPorts
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Use port installed to list all of your ports.
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How to add multi line comments in makefiles
Is there a way to comment out multiple lines in makefiles like as in C syntax /* */ ?
6 Answers
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Sqlite LIMIT / OFFSET query
I have simple question with Sqlite. What is the difference between this:
3 Answers
3
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Delete text in between HTML tags in vim?
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answered Jun 3 '09 at 18:04
Brian CarperBrian Carper
64.9k2525 gold badges154154 silver badges164164 bronze badges
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C# Pass Lambda Expression as Method Parameter
I have a lambda expression that I'd like to be able to pass around and reuse. Here's the code:
4 Answers
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Principal component analysis in Python
I'd like to use principal component analysis (PCA) for dimensionality reduction. Does numpy or scipy already have it, or do I have to roll my own using numpy.linalg.eigh ?
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