大约有 4,761 项符合查询结果(耗时:0.0192秒) [XML]
SELECT DISTINCT on one column
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Assuming that you're on SQL Server 2005 or greater, you can use a CTE with ROW_NUMBER():
SELECT *
FROM (SELECT ID, SKU, Product,
ROW_NUMBER() OVER (PARTITION BY PRODUCT ORDER BY ID) AS RowNumber
FROM MyTable...
jQuery .live() vs .on() method for adding a click event after loading dynamic html
I am using jQuery v.1.7.1 where the .live() method is apparently deprecated.
7 Answers
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How can I generate a unique ID in Python? [duplicate]
... edited Aug 25 '14 at 21:03
Cydrobolt
6699 bronze badges
answered Jul 31 '09 at 2:54
Michael Aaron SafyanMi...
Is it pythonic to import inside functions?
PEP 8 says:
10 Answers
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How to properly ignore exceptions
When you just want to do a try-except without handling the exception, how do you do it in Python?
11 Answers
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Suppress warning “Category is implementing a method which will also be implemented by its primary cl
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A category allows you to add new methods to an existing class. If you want to reimplement a method that already exists in the class, you typically create a subclass instead of a category.
Apple documentation: Customizing existing cla...
rotating axis labels in R
In R, how do I make a (bar)plot's y axis labels parallel to the X axis instead of parallel to the Y axis?
5 Answers
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How to debug Lock wait timeout exceeded on MySQL?
In my production error logs I occasionally see:
11 Answers
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How can I use an array of function pointers?
How should I use array of function pointers in C?
10 Answers
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How to use if - else structure in a batch file?
...on about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you.
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