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How do I manipulate a variable whose name conflicts with PDB commands?
...print('foo')
(Pdb) !n = 77
(Pdb) !n
77
(Pdb) n
foo
> /home/user/test.py(2)<module>()
-> print('bar')
(Pdb)
The docs say:
! statement
Execute the (one-line) statement in the context of the current stack frame. The exclamation point can be omitted unless the first word of the st...
Finding duplicates in O(n) time and O(1) space
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edited Nov 25 '15 at 9:44
answered Apr 21 '11 at 3:54
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Convert data.frame columns from factors to characters
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edited May 23 '17 at 12:18
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answered May 17 '10 at 17:21
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How to change a nullable column to not nullable in a Rails migration?
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208
If you do it in a migration then you could probably do it like this:
# Make sure no null valu...
Are nested try/except blocks in python a good programming practice?
...") from None
PS. has_key() has been deprecated for a long time in Python 2. Use item in self.dict instead.
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Logging uncaught exceptions in Python
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Martin Thoma
81.2k102102 gold badges454454 silver badges700700 bronze badges
answered Jun 4 '11 at 3:26
JacindaJacind...
Pass an array of integers to ASP.NET Web API?
...tegoryIds)
And send request:
/Categories?categoryids=1&categoryids=2&categoryids=3
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
How to detect if Visual C++ Redistributable for Visual Studio 2012 is installed?
20 Answers
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Creating Multifield Indexes in Mongoose / MongoDB
...For your case it would be something like:
mySchema.index({field1: 1, field2: 1}, {unique: true});
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