大约有 23,900 项符合查询结果（耗时：0.0522秒） [XML]
find vs find_by vs where
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answered Dec 27 '16 at 0:32
Hossam KhamisHossam Khamis
75166 silver badges1212 bronze badges
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Select row with most recent date per user
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| 2 | 9 | 1370931664 | out |
| 3 | 6 | 1370932128 | out |
| 5 | 12 | 1370933037 | in |
Solution which gonna work everytime:
SQLFIDDLEExample
SELECT t1.*
FROM lms_attendance t1
WHERE t1.id = (SELECT t2.id
FROM lms_attendance t2
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What happens if a finally block throws an exception?
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answered May 26 '10 at 8:32
Dirk VollmarDirk Vollmar
157k5151 gold badges240240 silver badges300300 bronze badges
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SELECT INTO a table variable in T-SQL
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– Paul-Sebastian Manole
Nov 25 '16 at 12:32
1
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How to bind 'touchstart' and 'click' events but not respond to both?
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MottieMottie
71.1k2323 gold badges118118 silver badges224224 bronze badges
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Add Text on Image using PIL
...rial')
In [30]: draw = ImageDraw.Draw(im)
In [31]: t1 = 'hello world!'
In [32]: t2 = 'hello \nworld!'
In [33]: font.getsize(t1), font.getsize(t2) # the height is the same
Out[33]: ((52, 10), (60, 10))
In [35]: draw.textsize(t1, font), draw.textsize(t2, font) # handles multi-lined text
Out[35]: ((5...
Go Error Handling Techniques [closed]
...agree.
– Waterlink
Jan 18 '16 at 19:32
3
Pike: "But remember: Whatever you do, always check your ...
How do I uninstall a Windows service if the files do not exist anymore?
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Jorge FerreiraJorge Ferreira
85.8k2323 gold badges107107 silver badges129129 bronze badges
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sql primary key and index
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Rob WilliamsRob Williams
7,74911 gold badge3232 silver badges4040 bronze badges
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Detect if a NumPy array contains at least one non-numeric value?
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%timeit any_nans(array1M) # 470us
%timeit np.isnan(array1M).any() # 532us
The early-exit method is 3 orders or magnitude speedup (in some cases).
Not too shabby for a simple annotation.
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