大约有 47,000 项符合查询结果（耗时：0.0508秒） [XML]
How to check if a database exists in SQL Server?
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answered Jan 8 '10 at 16:19
EduardoEduardo
6,80122 gold badges2727 silver badges2626 bronze badges
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How to check if a model has a certain column/attribute?
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answered Nov 10 '09 at 18:15
Andy StewartAndy Stewart
4,20011 gold badge2121 silver badges3434 bronze badges
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How do I get SUM function in MySQL to return '0' if no values are found?
...xplain it ??
– mo sean
Jun 9 '14 at 10:41
1
PS. For anyone working with Postgres, it supports onl...
GitHub: make fork an “own project”
...new repo from scratch.
– Johnco
Feb 10 '17 at 15:28
1
It's worth noting that GitHub Support gave ...
Script parameters in Bash
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edited Dec 20 '16 at 10:44
answered Aug 1 '13 at 20:09
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Enable access control on simple HTTP server
... server responds with 501 Unsupported method ('OPTIONS'). I'm running OS X 10.10.1 with Python 2.7.6. Any suggestions? HTTP/1.0 501 Unsupported method ('OPTIONS') Server: SimpleHTTP/0.6 Python/2.7.6 Date: Wed, 21 Jan 2015 23:16:10 GMT Content-Type: text/html Connection: close ...
Django. Override save for model
... Or put whole logic in here
small = rescale_image(self.image,width=100,height=100)
self.image_small=SimpleUploadedFile(name,small_pic)
def get_image(self):
return self._image
image = property(get_image, set_image)
# this is not needed if small_image is created ...
What platforms have something other than 8-bit char?
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answered Jan 20 '10 at 1:22
Steve JessopSteve Jessop
251k3131 gold badges420420 silver badges659659 bronze badges
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Django ModelForm: What is save(commit=False) used for?
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106
That's useful when you get most of your model data from a form, but need to populate some null...
What is the difference between BIT and TINYINT in MySQL?
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10
what's the difference between a TINYINT and a BIT(8) ?
– Pacerier
Oct 16 '11 at 15:54
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