大约有 20,000 项符合查询结果（耗时：0.0295秒） [XML]
Fetch the row which has the Max value for a column
...R() OVER (...) (for the top-n-per-group) or RANK() OVER (...) (for the greatest-n-per-group).
– MT0
Jun 27 '16 at 8:13
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Difference between database and schema
...of setting permissions by schema.
EDIT for additional question
drop schema test1
Msg 3729, Level 16, State 1, Line 1
Cannot drop schema 'test1' because it is being referenced by object 'copyme'.
You cannot drop a schema when it is in use. You have to first remove all objects from the schema.
Rel...
What's the best way to check if a file exists in C?
...g R_OK|W_OK)
Update: Note that on Windows, you can't use W_OK to reliably test for write permission, since the access function does not take DACLs into account. access( fname, W_OK ) may return 0 (success) because the file does not have the read-only attribute set, but you still may not have permis...
How to prevent errno 32 broken pipe?
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It depends on how you tested it, and possibly on differences in the TCP stack implementation of the personal computer and the server.
For example, if your sendall always completes immediately (or very quickly) on the personal computer, the connec...
Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
...ion was asked, Facebook launched HipHop for PHP which is probably the best-tested PHP compiler to date (seeing as it ran one of the world’s 10 biggest websites). However, Facebook discontinued it in favour of HHVM, which is a virtual machine, not a compiler.
Beyond that, googling PHP compiler tur...
angularjs directive call function specified in attribute and pass an argument to it
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From my tests using this code in angular 1.2.28, it works well. My tests do not call theMethodToBeCalled with undefined on first load. Neither does the plunker example. This does not appear to be a problem. In other words, this doe...
DateTime.Now vs. DateTime.UtcNow
...ent is identical" is not true. ToString() is probably not the best way to test that, because it could display equal dates differently (like Java does). Comparison functions are a better test, and show they are indeed not equal.
– Ted Bigham
May 20 '15 at 17:55...
Alternate FizzBuzz Questions [closed]
... at least be able to give the idea behind how to do something.
Using this test one of my previous bosses saw everything from people who aced it all pretty quick, to people who could do most pretty quick, to one guy who couldn't answer a single one after a half hour.
I should also note: he let peop...
How to create a video from images with FFmpeg?
...-r 1/5 -i img%03d.png -c:v libx264 -vf "fps=25,format=yuv420p" out.mp4
I tested below parameters, it worked for me
"e:\ffmpeg\ffmpeg.exe" -r 1/5 -start_number 0 -i "E:\images\01\padlock%3d.png" -c:v libx264 -vf "fps=25,format=yuv420p" e:\out.mp4
below parameters also worked but it always skips ...
How does Trello access the user's clipboard?
... this.value = value;
}
var clip = new TrelloClipboard();
clip.setValue("test");
The only problem is, that this version only works with Chrome. The Trello platform supports all browsers. What I am missing?
Sovled thanks to VadimIvanov.
See a working example:
http://jsfiddle.net/AGEf7/
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