大约有 13,300 项符合查询结果（耗时：0.0507秒） [XML]
The SQL OVER() clause - when and why is it useful?
...oduct_id
-------- ---------- ------------ ----------
1 2011-05-02 1 5
1 2011-05-02 2 4
1 2011-05-02 3 7
2 2011-05-12 1 8
2 2011-05-12 2 ...
Rails find_or_create_by more than one attribute?
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– Augustin Riedinger
Jul 3 '13 at 16:01
@AugustinRiedinger You don't need self inside the method body either (since you...
how does multiplication differ for NumPy Matrix vs Array classes?
...P.random.rand(40).reshape(8, 5)
>>> m
array([[ 0.545, 0.459, 0.601, 0.34 , 0.778],
[ 0.799, 0.047, 0.699, 0.907, 0.381],
[ 0.004, 0.136, 0.819, 0.647, 0.892],
[ 0.062, 0.389, 0.183, 0.289, 0.809],
[ 0.539, 0.213, 0.805, 0.61 , 0.677],
[...
HttpURLConnection timeout settings
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answered May 10 '10 at 2:01
dbyrnedbyrne
48.8k1111 gold badges8181 silver badges102102 bronze badges
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How to convert an enum type variable to a string?
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edited May 3 '13 at 15:01
bluish
22k2222 gold badges107107 silver badges163163 bronze badges
answered...
How do I parse an ISO 8601-formatted date?
...C 3339 datetime strings like the one in the question, but also other ISO 8601 date and time strings that don't comply with RFC 3339 (such as ones with no UTC offset, or ones that represent only a date).
>>> import dateutil.parser
>>> dateutil.parser.isoparse('2008-09-03T20:56:35....
Regular expression to match non-ASCII characters?
...\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F...
Linux: compute a single hash for a given folder & contents?
...u can add the --mtime option like so: tar -c /path/to/folder --mtime="1970-01-01" | sha1sum.
– Binary Phile
Dec 17 '15 at 19:44
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Why would you use String.Equals over ==? [duplicate]
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answered Nov 2 '09 at 2:01
Michael PetrottaMichael Petrotta
55.9k1414 gold badges135135 silver badges173173 bronze badges
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Reuse Cucumber steps
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edited Sep 27 '15 at 15:01
mhutter
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answered May 28 '09 at 11...