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...S_EX_CONTROLPARENT);
RECT rect;
m_tabsheet.GetWindowRect(&rect);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
//调整属性页的大小和位置
m_tabsheet.SetWindowPos(NULL, 225, 225, width-82, height,SWP_NOACTIVATE);
//属性页的添加完成。如果要...
@UniqueConstraint and @Column(unique = true) in hibernate annotation
...
As said before, @Column(unique = true) is a shortcut to UniqueConstraint when it is only a single field.
From the example you gave, there is a huge difference between both.
@Column(unique = true)
@ManyToOne(optional = false, fet...
If threads share the same PID, how can they be identified?
...
The four threads will have the same PID but only when viewed from above. What you (as a user) call a PID is not what the kernel (looking from below) calls a PID.
In the kernel, each thread has it's own ID, called a PID (although it would possibly make more sens...
What's the difference between using “let” and “var”?
...ing them before the initialization results in a ReferenceError. Variable said to be in "temporal dead zone" from the start of the block until the initialization is processed.
function checkHoisting() {
console.log(foo); // ReferenceError
let foo = "Foo";
console.log(foo); // Foo
}
checkHoist...
How to overlay one div over another div
I need assistance with overlaying one individual div over another individual div .
8 Answers
...
Best way to store date/time in mongodb
...SODate()})
> db.test.insert({date: new Date()})
> db.test.find()
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-10T10:50:42.389Z") }
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-10T10:50:57.240Z") }
The native type supports a whole range of useful methods out of the box, which ...
Foreign Key naming scheme
...
If the foreign key points to a candidate key on the second table rather than a primary key, then you'd probably use a third segment to the name to qualify this. It's an unusual situation to be in, and not one you'd typically design in from scratch, so I didn't...
How do I auto-reload a Chrome extension I'm developing?
...e the extension every time I modify a file it's using, which is what I was ideally looking.
– Andrey Fedorov
Oct 10 '12 at 2:55
...
Convert Rows to columns using 'Pivot' in SQL Server
...defined above logic with the @cols and @query ... there is an error.` Invalid object name 'cte3'.` how do you fix that. –
– Elizabeth
Mar 1 '16 at 18:59
3
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Laravel Eloquent ORM Transactions
...ou can do this:
DB::transaction(function() {
//
});
Everything inside the Closure executes within a transaction. If an exception occurs it will rollback automatically.
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