大约有 42,000 项符合查询结果（耗时：0.0451秒） [XML]
Row Offset in SQL Server
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I would avoid using SELECT *. Specify columns you actually want even though it may be all of them.
SQL Server 2005+
SELECT col1, col2
FROM (
SELECT col1, col2, ROW_NUMBER() OVER (ORDER BY ID) AS RowNum
FROM MyTable
) AS MyDer...
Reset push notification settings for app
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Ditto... I didn't get a prompt.
– Rob
Mar 27 '12 at 5:29
2
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What are 'get' and 'set' in Swift?
... = myTriangle.perimeter
... Which calls this:
get{
return 3.0 * self.sideLength
}
And thus it's essentially like if the calling controller did this:
let someVar = 3.0 * myTriangle.sideLength
When you set the variable from another object, it looks like this:
myTriangle.perimeter = 100
Which ...
To ARC or not to ARC? What are the pros and cons? [closed]
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There is no downside. Use it. Do it today. It is faster than your old code. It is safer than your old code. It is easier than your old code. It is not garbage collection. It has no GC runtime overhead. The compiler inserts retains and release...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
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FYI. Carmack didn't write it. Terje Mathisen and Gary Tarolli both take partial (and very modest) credit for it, as well as crediting some other sources.
How the mythical constant was derived is something of a mystery.
To quote Gary Taro...
MySQL: Fastest way to count number of rows
...a from mysql to php. Why do it when you can achieve the same on the mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if indexes are really used, and where should they be added.
The following is not the fastest way, but there is a case, where COUNT(*) doesn't re...
Split function equivalent in T-SQL?
...er). The b+1 makes a big difference. Tested here with space as delimiter, didn't work without this fix.
– JwJosefy
Dec 19 '16 at 17:47
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How to trigger HTML button when you press Enter in textbox?
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$(document).ready(function(){
$('#TextBoxId').keypress(function(e){
if(e.keyCode==13)
$('#linkadd').click();
});
});
share
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improve this answer
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What's the best manner of implementing a social activity stream? [closed]
...stem and I took this approach:
Database table with the following columns: id, userId, type, data, time.
userId is the user who generated the activity
type is the type of the activity (i.e. Wrote blog post, added photo, commented on user's photo)
data is a serialized object with meta-data for the ...
How to use setArguments() and getArguments() methods in Fragments?
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It is returning null in my case, any idea why this is happening ?
– Anirudh
Apr 1 '13 at 10:09
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