大约有 40,000 项符合查询结果(耗时:0.0758秒) [XML]
Why do some websites add “Slugs” to the end of URLs? [closed]
...ding this one, add what are apparently called slugs - descriptive but as far as I can tell useless bits of text - to the end of URLs.
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B-Tree vs Hash Table
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Replace Line Breaks in a String C#
How can I replace Line Breaks within a string in C#?
17 Answers
17
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Equation for testing if a point is inside a circle
If you have a circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle?
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push_back vs emplace_back
I'm a bit confused regarding the difference between push_back and emplace_back .
7 Answers
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generating GUID without hyphen
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What's the state of the art in email validation for Rails?
What are you using to validate users' email addresses, and why?
13 Answers
13
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How can I sort arrays and data in PHP?
How do I sort an array in PHP?
How do I sort a complex array in PHP?
How do I sort an array of objects in PHP?
12 Ans...
generate days from date range
...t. It's overcomplicated IMO though - if you're going to construct a resultset using UNIONs, why not just specify the date and be done with it?
– OMG Ponies
Jan 28 '10 at 21:27
7
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Measure the time it takes to execute a t-sql query
...d use the DATEDIFF function:
DECLARE @t1 DATETIME;
DECLARE @t2 DATETIME;
SET @t1 = GETDATE();
SELECT /* query one */ 1 ;
SET @t2 = GETDATE();
SELECT DATEDIFF(millisecond,@t1,@t2) AS elapsed_ms;
SET @t1 = GETDATE();
SELECT /* query two */ 2 ;
SET @t2 = GETDATE();
SELECT DATEDIFF(millisecond,@t1,@t...
