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MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...d, // handle of window
HWND hWndInsertAfter, // placement-order handle
int X, // horizontal position
int Y, // vertical position
int cx, // width
int cy, // height
UINT uFlags // window-positioning flags
);
参数解释:
hWnd
Identifies the window. 窗口句柄
hWndInsertAft...
How to disallow temporaries
...ible with existing code? His friend includes his header and has void f() { int Foo = 0; } which previously compiled fine and now miscompiles! Also, every line that defines a member function of class Foo fails: void class Foo::bar() {}")
...
What are the effects of exceptions on performance in Java?
... a local try block.
See the following test code:
public class Test {
int value;
public int getValue() {
return value;
}
public void reset() {
value = 0;
}
// Calculates without exception
public void method1(int i) {
value = ((value + i) / i) ...
Best way to test SQL queries [closed]
I have run into a problem wherein we keep having complex SQL queries go out with errors. Essentially this results in sending mail to the incorrect customers and other 'problems' like that.
...
In Scala, what exactly does 'val a: A = _' (underscore) mean?
...e to a default value. From the Scala Language Specification:
0 if T is Int or one of its subrange types,
0L if T is Long,
0.0f if T is Float,
0.0d if T is Double,
false if T is Boolean,
() if T is Unit,
null for all other types T.
...
Java Map equivalent in C#
... access in C# directly using index notation:
class Test {
Dictionary<int,String> entities;
public String getEntity(int code) {
return this.entities[code];
}
}
If you want to use a custom key type then you should consider implementing IEquatable<> and overriding Equals(objec...
User Authentication in ASP.NET Web API
...henticated(string role)
{
string[] parts = UTF8Encoding.UTF8.GetString(Convert.FromBase64String(Request.Headers.Authorization.Parameter)).Split(':');
if (parts.Length != 2 || !Membership.ValidateUser(parts[0], parts[1]))
throw new HttpResponseException(Request.CreateErrorResponse(Htt...
Java Enum Methods - return opposite direction enum
...ically correct, i.e, enums cannot be instantiated, but it illustrates my point). Is this possible in Java?
6 Answers
...
Javascript: Round up to the next multiple of 5
I need a utility function that takes in an integer value (ranging from 2 to 5 digits in length) that rounds up to the next multiple of 5 instead of the nearest multiple of 5. Here is what I got:
...
What is the difference between “instantiated” and “initialized”?
...les in C# are in 1 of 2 groups. Value types or Reference types. Types like int and DateTime are value types. In contrast, any class you create is a reference type. C# strings are also a reference type. Most things in the .NET framework are reference types.
Parts of a Variable
There is the variable...