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MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...[5];//一个CDockablePane的数组
2. CFrameWndEx:: OnCreate() 在Create函数中自动生成了以下代码，对MFC比较熟悉的这里就不讲了：
CMFCPopupMenu::SetForceMenuFocus(FALSE);
InitUserToolbars(NULL, uiFirstUserToolBarId, uiLastUserToolBarId);
EnablePaneMenu(TRUE, ID_VIEW_C...
Arrow operator (->) usage in C
...
foo->bar is equivalent to (*foo).bar, i.e. it gets the member called bar from the struct that foo points to.
share
|
imp...
How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
...rom a subquery:
SELECT
A.SalesOrderID,
A.OrderDate,
SQ.Max_Foo,
SQ.Max_Foo2
FROM
A
LEFT OUTER JOIN
(
SELECT
B.SalesOrderID,
MAX(B.Foo) AS Max_Foo,
MAX(B.Foo2) AS Max_Foo2
FROM
B
GROUP BY
B.SalesOrderID
...
What is the difference between assert, expect and should in Chai?
...upport custom messages just about everywhere. For instance:
assert.isTrue(foo, "foo should be true");
expect(foo, "foo should be true").to.be.true;
The message "foo should be true" will be output together with the failed assertion if the assertion fails. You don't get the opportunity to set a cus...
What is the difference between the dot (.) operator and -> in C++? [duplicate]
...
foo->bar() is the same as (*foo).bar().
The parenthesizes above are necessary because of the binding strength of the * and . operators.
*foo.bar() wouldn't work because Dot (.) operator is evaluated first (see operator...
std::unique_ptr with an incomplete type won't compile
...If you use pimpl with unique_ptr, you need to declare a destructor:
class foo
{
class impl;
std::unique_ptr<impl> impl_;
public:
foo(); // You may need a def. constructor to be defined elsewhere
~foo(); // Implement (with {}, or with = default;) where impl is complete
};
...
Is there a difference between foo(void) and foo() in C++ or C?
...
In C:
void foo() means "a function foo taking an unspecified number of arguments of unspecified type"
void foo(void) means "a function foo taking no arguments"
In C++:
void foo() means "a function foo taking no arguments"
void...
How to load all modules in a folder?
...
Update in 2017: you probably want to use importlib instead.
Make the Foo directory a package by adding an __init__.py. In that __init__.py add:
import bar
import eggs
import spam
Since you want it dynamic (which may or may not be a good idea), list all py-files with list dir and import them...
Django REST Framework: adding additional field to ModelSerializer
...
I think SerializerMethodField is what you're looking for:
class FooSerializer(serializers.ModelSerializer):
my_field = serializers.SerializerMethodField('is_named_bar')
def is_named_bar(self, foo):
return foo.name == "bar"
class Meta:
model = Foo
fields = ('id', 'na...
Callback functions in C++
...rguably the worst) type a callback can have.
Let's have a simple function foo:
int foo (int x) { return 2+x; }
1.1 Writing a function pointer / type notation
A function pointer type has the notation
return_type (*)(parameter_type_1, parameter_type_2, parameter_type_3)
// i.e. a pointer to foo...