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Django ModelForm: What is save(commit=False) used for?
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That's useful when you get most of your model data from a form, but need to populate some null=...
RSA Public Key format
...-v -- ----- | tr -d '\n' | base64 -d | openssl asn1parse -inform DER:
0:d=0 hl=4 l= 266 cons: SEQUENCE
4:d=1 hl=4 l= 257 prim: INTEGER :FB1199FF0733F6E805A4FD3B36CA68E94D7B974621162169C71538A539372E27F3F51DF3B08B2E111C2D6BBF9F5887F13A8DB4F1EB6DFE386C92256875212DDD00468...
Difference between size_t and std::size_t
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C's size_t and C++'s std::size_t are both same.
In C, it's defined in <stddef.h> and in ...
How can I format a number into a string with leading zeros?
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10 Answers
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How to sort with lambda in Python
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+200
Use
a = sorted(a, key=lambda x: x.modified, reverse=True)
# ^^^^
On Python 2.x, the sorted function takes its argument...
How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?
... iwein
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answered Oct 29 '10 at 16:59
ArneArne
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How to enumerate a range of numbers starting at 1
... using Python 2.5, I want an enumeration like so (starting at 1 instead of 0):
12 Answers
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How do I do an initial push to a remote repository with Git?
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answered Feb 25 '10 at 20:27
Josh LindseyJosh Lindsey
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Add property to anonymous type after creation
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answered Jul 19 '11 at 20:40
LevitikonLevitikon
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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
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UPDATE: This question was the subject of my blog on May 12th 2011. Thanks for the great question!
Suppose you have an interface as you describe, and a hundred classes that implement it. Then you decide to make one of the parameters of one of the interface's methods optional. Are you su...