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菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...));
CFont Font;
Font.CreatePointFont(125,"宋体");//创建字体
dc.SelectObject(&Font);
CString *pText=(CString *)lpDrawItemStruct->itemData;
if(lpDrawItemStruct->itemState&ODS_SELECTED)
dc.FillSolidRect(rect,RGB(80,89,202));//菜单被选中
dc.SetTextColor(RGB(10,0,181));//设置...
How does the compilation/linking process work?
... is usually just declarations), doing replacement of macros (#define), and selecting different portions of text depending of #if, #ifdef and #ifndef directives.
The preprocessor works on a stream of preprocessing tokens. Macro substitution is defined as replacing tokens with other tokens (the opera...
What is scope/named_scope in rails?
...Zombie.rotting.fresh.recent.limit(3)
It translates to the below in SQL,
select "zombies.*" from "zombies" where "zombies"."rotting" = 't' and (age<20) order by create_at desc limit 3
Example above is based on rails 4 syntax
...
What is the difference between customErrors and httpErrors?
... the Debugging Properties 2.) under "Error Pages / Edit Feature Settings", select "Detailed errors". 3.) disable "Show friendly HTTP error messages" in IE stackoverflow.com/questions/2640526/…
– Kiquenet
Oct 6 '15 at 19:38
...
Unable to launch the IIS Express Web server
... was different.
In VS2013 Opened Debug > {YourWebsiteName} Properties
Select the "Web" tab.
Under "Servers" I found "Override application root URL" was checked. I unchecked it and saved.
That was all I needed to get things running.
...
How can we run a test method with multiple parameters in MSTest?
... object>>()
.Where(_ => _.Key.StartsWith("par"))
.Select(_ => _.Value as string)
.ToList();
}
//usage
[TestMethod]
[TestProperty("par1", "http://getbootstrap.com/components/")]
[TestProperty("par2", "http://www.wsj.com/europe")]
public void SomeTest()
{
var p...
Show control hierarchy in the WinForms designer
... Some of those controls have a deep hierarchy and that makes it to hard to select them in the designer.
3 Answers
...
Structs versus classes
...d = isValid;
}
}
On the other hand is the items needs to be moved or selected value types all that copying is going to slow you down. To get the exact answer I suspect you have to profile your code and test it out.
sha...
How can I append a string to an existing field in MySQL?
... Alternatively you can use CONCAT_WS which skips NULL values. For example SELECT CONCAT_WS(', ','First name',NULL,'Last Name'); gives 'First name, Last Name'
– BarneySchmale
Aug 8 '16 at 11:00
...
Entity Framework and Connection Pooling
...ies and store them at once. This is called Unit of Work pattern. You can't selectively say which modified attached entity you want to save.
Combine these two patterns and you will see some interesting effects. You have only one instance of entity for the whole application. Any changes to the entity...