大约有 40,000 项符合查询结果（耗时：0.0488秒） [XML]
What is “with (nolock)” in SQL Server?
...
If you use NOLOCK with a SELECT you run the risk of returning the same rows more than once (duplicated data) if data is ever inserted (or updated) into the table while doing a select.
– Ian Boyd
Sep 19 '13 at 0:...
USB Debugging option greyed out
...of this post.
When you connect your phone to your PC, using the USB cable, select the mode as PC Software.
Now you should be able to enable USB Debugging.
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How to query as GROUP BY in django?
...nnotate(dcount=Count('designation'))
This results in a query similar to
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation
and the output would be of the form
[{'designation': 'Salesman', 'dcount': 2},
{'designation': 'Manager', 'dcount': 2}]
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Paste a multi-line Java String in Eclipse [duplicate]
...iline string, for example:
String name="zzg";
String lines = ""/**~!{
SELECT *
FROM user
WHERE name="$name"
}*/;
System.out.println(lines);
Output：
SELECT *
FROM user
WHERE name="zzg"
sha...
What is a software framework? [closed]
...an abstraction in which common code providing generic functionality can be selectively overridden or specialized by user code providing specific functionality. Frameworks are a special case of software libraries in that they are reusable abstractions of code wrapped in a well-defined Application pro...
How to create a video from images with FFmpeg?
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-pattern_type glob
This great option makes it easier to select the images in many cases.
Slideshow video with one image per second
ffmpeg -framerate 1 -pattern_type glob -i '*.png' \
-c:v libx264 -r 30 -pix_fmt yuv420p out.mp4
Add some music to it, cutoff when the presumably...
Can you resolve an angularjs promise before you return it?
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I think this answer should be selected.
– Morteza Tourani
May 8 '16 at 20:13
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LINQ equivalent of foreach for IEnumerable
...d evaluating Funcs
var evaluatedObservable = observable.ToEnumerable().Select(func => func()).ToList();
//Win
Assert.That(evaluatedObservable,
Is.EquivalentTo(values.ToList()));
}
The following fails with the error:
Expected: equivalent to < 0, 1, 2, 3, 4, 5, 6, 7, 8, ...
What's a Good Javascript Time Picker? [closed]
... resources:
TimeDatePicker (jQuery Plugin)
jQuery.timepickr
jQuery.ptTimeSelect
Time Picker
Fancy Time Picker
NoGray Time Picker
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Discard all and get clean copy of latest revision?
...ndlines for all of my tools, so I tend to do it using the UI:
1. First, select "commit"
2. Then, display ignored files. If you have uncommitted changes, hide them.
3. Now, select all of them and click "Delete Unversioned".
Done. It's a procedure that is far easier to remember than comman...