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MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...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...
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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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...
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 ...
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
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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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Sequence contains more than one element
...SingleOrDefault" - from what I can gather the OP is looking for a customer id which (I assume) should be unique, therefore, SingleOrDefault is actually more appropriate than FirstOrDefault. Also, this has actually raised a more serious problem with the OP's database design as it shows that it is pos...
jQuery Get Selected Option From Dropdown
Usually I use $("#id").val() to return the value of the selected option, but this time it doesn't work.
The selected tag has the id aioConceptName
...
jQuery select by attribute using AND and OR operators
...
AND operation
a=$('[myc="blue"][myid="1"][myid="3"]');
OR operation, use commas
a=$('[myc="blue"],[myid="1"],[myid="3"]');
As @Vega commented:
a=$('[myc="blue"][myid="1"],[myc="blue"][myid="3"]');
...
SQLite table constraint - unique on multiple columns
... adding UNIQUE(i, j) to the create statement is completely ignored on android. It creates the table, but leaves off the UNIQUE constraint. I was only able to do this by using an index.
– gattsbr
Aug 11 at 14:55
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