大约有 46,000 项符合查询结果（耗时：0.0406秒） [XML]
`levels
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answered May 8 '12 at 2:40
OwenOwen
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“You are on a branch yet to be born” when adding git submodule
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212
To fix that error, you should delete the folder with the same path to the submodule inside .git...
Postgres manually alter sequence
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answered Jan 5 '12 at 15:31
NPENPE
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How to validate phone numbers using regex
...ou should discard the (0) entirely).
Then, you end up with values like:
12345678901
12345678901x1234
345678901x1234
12344678901
12345678901
12345678901
12345678901
+4112345678
+441234567890
Then when you display, reformat to your hearts content. e.g.
1 (234) 567-8901
1 (234) 567-89...
Replace specific characters within strings
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With a regular expression and the function gsub():
group <- c("12357e", "12575e", "197e18", "e18947")
group
[1] "12357e" "12575e" "197e18" "e18947"
gsub("e", "", group)
[1] "12357" "12575" "19718" "18947"
What gsub does here is to replace each occurrence of "e" with an empty string ""...
How do I limit the number of rows returned by an Oracle query after ordering?
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Starting from Oracle 12c R1 (12.1), there is a row limiting clause. It does not use familiar LIMIT syntax, but it can do the job better with more options. You can find the full syntax here. (Also read more on how this works internally in Oracle i...
How do I fetch lines before/after the grep result in bash?
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answered Sep 16 '12 at 6:16
Jon LinJon Lin
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How to compare times in Python?
...he date into account:
>>> this_morning = datetime.datetime(2009, 12, 2, 9, 30)
>>> last_night = datetime.datetime(2009, 12, 1, 20, 0)
>>> this_morning.time() < last_night.time()
True
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Converting String to “Character” array in Java
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answered Apr 4 '12 at 6:52
Kuldeep JainKuldeep Jain
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How to programmatically show next view in ViewPager?
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yprez
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answered Nov 12 '11 at 9:26
Vaibhav MishraV...