大约有 48,000 项符合查询结果（耗时：0.0550秒） [XML]
Find rows that have the same value on a column in MySQL
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This query will give you a list of email addresses and how many times they're used, with the most used addresses first.
SELECT email,
count(*) AS c
FROM TABLE
GROUP BY email
HAVING c > 1
ORDER BY c DESC
If you want the full rows:
select * from table where email ...
Convert Json Array to normal Java list
Is there a way to convert JSON Array to normal Java Array for android ListView data binding?
14 Answers
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Python String and Integer concatenation [duplicate]
...ed in this answer (backticks) is deprecated in later versions of Python 2, and removed in Python 3. Use the str() function instead.
You can use :
string = 'string'
for i in range(11):
string +=`i`
print string
It will print string012345678910.
To get string0, string1 ..... string10 you can use...
How to align texts inside of an input?
...lign: center;
}
But, it should be left-aligned, as that is the default - and appears to be the most user friendly.
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JavaScript: location.href to open in new window/tab?
... is created, is decided by the browser (setting).
– jAndy
Feb 28 '11 at 12:25
4
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Why is the clone() method protected in java.lang.Object?
...ails to serve this purpose ... This is a highly atypical use of interfaces and not one to be emulated ... In order for implementing the interface to have any effect on a class, it and all of its superclasses must obey a fairly complex, unenforceable and largely undocumented protocol"
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How to set the matplotlib figure default size in ipython notebook?
...e ipython notebook. The display matplotlib figure size is too big for me, and I have to adjust it manually. How to set the default size for the figure displayed in cell?
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How to make IPython notebook matplotlib plot inline
I am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0.
10 Answers
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How can I catch a 404?
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lol @ being the IDisposable police and giving everyone a -1 for not wrapping the response in a using block.
– Rich
Jan 27 '10 at 18:32
2
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How can I access Google Sheet spreadsheets only with Javascript?
... you so much! I did, however, decide to fork your code, to be able to handle empty cells of data, and also organize it into rows (the data being returned as is is just a giant array of cells, but since empty cells weren't being taken into account, there was no easy way to organize the data). ...