大约有 46,000 项符合查询结果（耗时：0.0823秒） [XML]
SQL Server: Query fast, but slow from procedure
...s" in your stored procedure queries, but read the original for more understanding, it's a great write up. e.g.
Slow way:
CREATE PROCEDURE GetOrderForCustomers(@CustID varchar(20))
AS
BEGIN
SELECT *
FROM orders
WHERE customerid = @CustID
END
Fast way:
CREATE PROCEDURE GetOrderForCus...
Get string between two strings in a string
...ndex + fromLength, comparison) from strings like „AB” where A is from and B is until, so I removed + fromLength. I haven't tested it deeply though
– Adrian Iftode
Oct 16 '13 at 11:21
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Get position/offset of element relative to a parent container?
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Warning: jQuery, not standard JavaScript
element.offsetLeft and element.offsetTop are the pure javascript properties for finding an element's position with respect to its offsetParent; being the nearest parent element with a position of relative or...
Move assignment operator and `if (this != &rhs)`
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Wow, there is just so much to clean up here...
First, the Copy and Swap is not always the correct way to implement Copy Assignment. Almost certainly in the case of dumb_array, this is a sub-optimal solution.
The use of Copy and Swap is for dumb_array is a classic example of putting the...
Is it possible to set a custom font for entire of application?
... same.
Is it possible to set this as default font, at application start up and then use it elsewhere in the application? When set, how do I use it in my layout XMLs?
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android: move a view on touch move (ACTION_MOVE)
...a simple control: a container with a view inside. If I touch the container and I move the finger, I want to move the view to follow my finger.
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How to write a multidimensional array to a text file?
... read back in with numpy.loadtxt. Therefore, we can be a bit more verbose, and differentiate the slices using commented out lines. By default, numpy.loadtxt will ignore any lines that start with # (or whichever character is specified by the comments kwarg). (This looks more verbose than it actually...
Start a git commit message with a hashmark (#)
...mitting. this is very annoying when working with a ticket tracking system, and trying to write the ticket number at the beginning of the line, e.g.
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How can I get my webapp's base URL in ASP.NET MVC?
...reliable way that doesn't involve getting the current URL from the request and chopping it up in some fragile way that breaks if I re-route my action.
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How do I use regex in a SQLite query?
...he regexp() user function. No regexp() user function is defined by default and so use of the REGEXP operator will normally result in an error message. If a application-defined SQL function named "regexp" is added at run-time, that function will be called in order to implement the REGEXP operator. (s...