大约有 47,000 项符合查询结果(耗时:0.0574秒) [XML]
@UniqueConstraint and @Column(unique = true) in hibernate annotation
...e, there is a huge difference between both.
@Column(unique = true)
@ManyToOne(optional = false, fetch = FetchType.EAGER)
private ProductSerialMask mask;
@Column(unique = true)
@ManyToOne(optional = false, fetch = FetchType.EAGER)
private Group group;
This code implies that both mask and group ha...
Identity increment is jumping in SQL Server database
In one of my tables Fee in column "ReceiptNo" in SQL Server 2012 database identity increment suddenly started jumping to 100s instead of 1 depending on the following two things.
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Most efficient way to convert an HTMLCollection to an Array
...both of the above work on NodeList.
A performance comparison for the mentioned methods: http://jsben.ch/h2IFA
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If threads share the same PID, how can they be identified?
...readed process will in conclusion get more CPU time than a single-threaded one, provided that both have the same priority and none of the threads is halted for any reason (such as waiting for a mutex).
– Aconcagua
Sep 21 '15 at 10:47
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If Python is interpreted, what are .pyc files?
...ke this:
Python is an interpreted language, as
opposed to a compiled one, though the
distinction can be blurry because of
the presence of the bytecode compiler.
This means that source files can be
run directly without explicitly
creating an executable which is then
run.
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How do I round a decimal value to 2 decimal places (for output on a page)
... With this solution, you won't have the culture formatting that one would expect when reading numbers. For this you should use ToString("N2"), or ToString("N").
– Shautieh
Aug 21 '14 at 15:54
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Add line break to ::after or ::before pseudo-element content
...e newlines in the generated content by writing the "\A" escape sequence in one of the strings after the 'content' property. This inserted line break is still subject to the 'white-space' property. See "Strings" and "Characters and case" for more information on the "\A" escape sequence.
So you can ...
What does the “+” (plus sign) CSS selector mean?
...y to hide it is by using visibility : hidden/visible instead of display : none/block. See this reference.
– KFL
Aug 24 '14 at 5:40
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Setting onClickListener for the Drawable right of an EditText [duplicate]
..., right, bottom);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
Rect bounds;
if (event.getAction() == MotionEvent.ACTION_DOWN) {
actionX = (int) event.getX();
actionY = (int) event.getY();
if (drawableBottom != null
...
How can I get a file's size in C? [duplicate]
...mment solved a problem I had with a file sizing algorithm. For the record, one opens a file in binary mode by putting a 'b' at the end of fopen's mode string.
– T.E.D.
May 18 '10 at 10:42
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