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Android SQLite: nullColumnHack parameter in insert/replace methods
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PowerShell says “execution of scripts is disabled on this system.”
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What is PEP8's E128: continuation line under-indented for visual indent?
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answered Mar 15 '13 at 15:11
Gareth LattyGareth Latty
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Any way to declare an array in-line?
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answered Jul 20 '09 at 14:48
DraemonDraemon
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How to catch SQLServer timeout exceptions
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158
To check for a timeout, I believe you check the value of ex.Number. If it is -2, then you have...
How to define two fields “unique” as couple
... exactly what you want.
For example:
class MyModel(models.Model):
field1 = models.CharField(max_length=50)
field2 = models.CharField(max_length=50)
class Meta:
unique_together = ('field1', 'field2',)
And in your case:
class Volume(models.Model):
id = models.AutoField(primary_key=Tr...
What are the differences between ipython and bpython?
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answered Nov 20 '10 at 15:20
Sven MarnachSven Marnach
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Mongo: find items that don't have a certain field
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171
Yeah, it's possible using $exists:
db.things.find( { a : { $exists : false } } ); // return i...