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How to initialize a dict with keys from a list and empty value in Python?
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dict.fromkeys([1, 2, 3, 4])
This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
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How do I specify a single test in a file with nosetests?
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answered Jul 2 '12 at 0:58
WillWill
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What is database pooling?
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224
Database connection pooling is a method used to keep database connections open so they can be ...
Regex to replace everything except numbers and a decimal point
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241
Use this:
document.getElementById(target).value = newVal.replace(/[^0-9.]/g, "");
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Can anyone explain python's relative imports?
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edited Aug 14 '12 at 18:41
answered Dec 16 '09 at 23:37
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Find XOR of all numbers in a given range
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152
This is a pretty clever solution -- it exploits the fact that there is a pattern of results in t...
PostgreSQL delete with inner join
i am getting the following error PostgreSQL 8.2.11
5 Answers
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How to include a child object's child object in Entity Framework 5
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If you include the library System.Data.Entity you can use an overload of the Include() method ...