大约有 42,000 项符合查询结果（耗时：0.0318秒） [XML]
MySQL “between” clause not inclusive?
...ly has a time component.
To truncate it out:
select * from person
where CAST(dob AS DATE) between '2011-01-01' and '2011-01-31'
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Consistency of hashCode() on a Java string
...because the algorithm has been specified... so long as you're willing to abandon compatibility with releases before the algorithm was specified, of course.
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How to convert float to varchar in SQL Server
...0387597207
select @test
set @test1 = convert (decimal(10,5), @test)
select cast((@test1) as varchar(12))
Select LEFT(cast((@test1) as varchar(12)),LEN(cast((@test1) as varchar(12)))-1)
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How do I convert uint to int in C#?
...int is greater than int.MaxValue you'll get a negative result if you use a cast, or an exception if you use Convert.ToInt32.
– LukeH
Jul 15 '09 at 14:52
4
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Could not find an implementation of the query pattern
...<T>? You may need to do it using:
var query = (from p in tblPersoon.Cast<Person>() select p).Single();
This kind of error (Could not find an implementation of the query pattern) usually occurs when:
You are missing LINQ namespace usage (using System.Linq)
Type you are querying does ...
Select values from XML field in SQL Server 2008
...
INSERT INTO dbo.DeleteBatch ( ExecutionKey, SourceKeys )
SELECT 1,
(CAST('<k>1</k><k>2</k><k>3</k>' AS XML))
INSERT INTO dbo.DeleteBatch ( ExecutionKey, SourceKeys )
SELECT 2,
(CAST('<k>100</k><k>101</k>' AS XML))
Here's my S...
Why no generics in Go?
...ject or Objective-C's id types. Type information is preserved and can be "cast" (asserted, actually) back to its concrete type. Get the gritty details here: golang.org/ref/spec#Type_assertions
– tbone
Aug 25 '13 at 20:50
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...problem is that after the user submits the text, they can refresh the page and the data gets submitted again without filling the form again. I could redirect the user to another page after the text is submitted, but I want users to stay on the same page.
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Rounding a double to turn it into an int (java)
...d, it returns a Long when the input param is Double.
So, you will have to cast the return value:
int a = (int) Math.round(doubleVar);
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C# HttpWebRequest vs WebRequest
... HttpWebRequest.Create or something like HttpWebRequest.CreateHttp without casting. The first would be something like public new static HttpWebRequest Create(string url). Either way, if the url wasn't HTTP(s), it should just throw some InvalidArgumentException.
– Matthew Flas...