object-lifetime
Why variable that declared in a using statement treated as readonly?
why variable (myform) in using block treated as read-only and the compiler raise an error when I try to pass i开发者_开发问答t as a reference to a function.[详细]
2023-03-06 08:55 分类:问答MEF and WPF. Lifetime of lazy(of T)?
1st i\'m newbie I import object/Class using lazy() now my questions are 1) what is the lifetime of my object?[详细]
2023-02-28 17:29 分类:问答How would I give a delegate infinite life the same way as a proxy when doing cross-app-domain development?
Background I developed a custom plugin architecture using a derivation of the Observe开发者_Python百科r/Event Pattern and bits and pieces of code from the following:[详细]
2023-02-22 12:55 分类:问答C++ -- where does the system store the returned characters?
#include \"stdafx.h\" #include <iostream> #include <string> using namespace std; const char* funA()[详细]
2023-02-21 03:04 分类:问答Is this a proper use of a temporary std::string?
std::string getMyString() { return开发者_开发百科 <make a string>; } ... HANDLE something = OpenSomething(getMyString().c_str(), ...);[详细]
2023-02-19 21:15 分类:问答What is happening to the value passed into the constructor after it falls out of scope?
I\'ve been searching around for the answer to this and haven\'t found anything that was similar to my problem.[详细]
2023-02-12 10:17 分类:问答Singelton lifetime within a dll / bundle
If I create a singleton class in the context of a dll or bundle on mac, the singleton class is instantiated once and used by all instances of the dll. I am using a dll as a plug-in for an application.[详细]
2023-02-12 01:26 分类:问答boost::bind and reference to temp variable
Suppose I have method: void foo(const std::string& s); Can I create boost::function: boost::function<void(const std::string&)> f = boost::bind(foo, temp);[详细]
2023-02-07 17:49 分类:问答checking invariants in C++
Are there any established patterns for checking class invariants in C++? Ideally, the invariants would be automatically checked at the beginning and at the end of each public member function. As far[详细]
2023-02-05 06:23 分类:问答How to inject dependencies per http request (or per http context) with unity 2.0 and asp.net mvc
I\'ve read a lot of info on this, but I can\'t find anything current (as of 1/2011) as to how exactly this should be done nowadays. I\'ve read a couple of good posts that seem to have the answer, with[详细]
2023-02-05 01:42 分类:问答