大约有 15,461 项符合查询结果（耗时：0.0342秒） [XML]
How to check file input size with jQuery?
... Everyone says this can't be done - yet here it is. This works. I tested it.
– Peter
Jan 11 '11 at 16:24
35
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Oracle: how to UPSERT (update or insert into a table?)
....
create or replace
procedure ups(xa number)
as
begin
merge into mergetest m using dual on (a = xa)
when not matched then insert (a,b) values (xa,1)
when matched then update set b = b+1;
end ups;
/
drop table mergetest;
create table mergetest(a number, b number);
call ups(...
Is there a Boolean data type in Microsoft SQL Server like there is in MySQL? [duplicate]
...valent to a boolean. If a scalar function returns a bit, you still need to test if it is 0 or 1. For example, dbo.IsReturnsBit(value) = 1
– Darren Griffith
Sep 19 '14 at 20:17
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Custom UITableViewCell from nib in Swift
...
I uploaded a test project here demonstrating the issue I'm having. Can you please have a look at it if you have time?
– Isuru
Aug 28 '14 at 11:09
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Counting the number of True Booleans in a Python List
...
Yes, for the top part. As I indicated, the Python test for a "true " (as in an if statement) is more complicated than just testing for True. See docs.python.org/py3k/library/stdtypes.html#truth. The True = 2 was just to reinforce that the concept of "true" is more complex;...
Make body have 100% of the browser height
...
After testing various scenarios, I believe this is the best solution:
html {
width: 100%;
height: 100%;
display: table;
}
body {
width: 100%;
display: table-cell;
}
html, body {
margin: 0px;
padding: ...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
... and get slightly different results with different Intel Core i7 cpus.
My test at work with an Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
md5 64257.97k ...
Auto increment primary key in SQL Server Management Studio 2012
...want to add this to an existing column, use an ALTER TABLE command.
Edit:
Tested a bit, and I can't find a way to change the Identity properties via the Column Properties window for various tables. I guess if you want to make a column an identity column, you HAVE to use an ALTER TABLE command.
...
Is there a ceiling equivalent of // operator in Python?
...
In quick tests, #1 is the fastest here, even compared to -(-a // b) o_O
– endolith
Feb 4 at 5:00
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Byte order mark screws up file reading in Java
... args) throws Exception
{
FileInputStream fis = new FileInputStream("test/offending_bom.txt");
UnicodeBOMInputStream ubis = new UnicodeBOMInputStream(fis);
System.out.println("detected BOM: " + ubis.getBOM());
System.out.print("Reading the content of the file without skipping the...