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What is a clean, pythonic way to have multiple constructors in Python?
...rgument, and the constructors do not share code.
Example:
class MyClass(set):
def __init__(self, filename):
self._value = load_from_file(filename)
@classmethod
def from_somewhere(cls, somename):
obj = cls.__new__(cls) # Does not call __init__
super(MyClass, ...
SQL Server 2008: How to query all databases sizes?
I have MS SQL 2008 R2, 500 databases.
What is the most efficient, easiest and 'modern' way to query all databases sizes.
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How can I detect if a file is binary (non-text) in python?
...mple Apache distributes with a mime.types file that you could parse into a set of lists, binary and text and then check to see if the mime is in your text or binary list.
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How to determine if a number is a prime with regex?
I found the following code example for Java on RosettaCode :
4 Answers
4
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What new capabilities do user-defined literals add to C++?
C++11 introduces user-defined literals which will allow the introduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation.
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Pandoc markdown page break
...ch '\\newpage' then
-- use format-specific pagebreak marker. FORMAT is set by pandoc to
-- the targeted output format.
return newpage(FORMAT)
end
-- otherwise, leave the block unchanged
return nil
end
We published an updated, more featureful version. It's available from the offic...
stop all instances of node.js server
This is my first time working with Node.js and I ran into this problem:
16 Answers
16
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Check whether number is even or odd
...) { even... } else { odd... }
This is because the low bit will always be set on an odd number.
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Python, compute list difference
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If the order does not matter, you can simply calculate the set difference:
>>> set([1,2,3,4]) - set([2,5])
set([1, 4, 3])
>>> set([2,5]) - set([1,2,3,4])
set([5])
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Reducing the space between sections of the UITableView
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You can actually set the footer/header/cell heights in Interface Builder under the size tab. By default the header/footer are set at 10.0.
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