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Published on 2010-04-03T07:31:22Z
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2010/04/03
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Why new()/delete() is slower than malloc()/free()?
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I want to learn C++ by using Vim and MinGW as compiler. I'm interesting at "C++ Primer (4th Edition)" and "C++ Primer Plus (5th Edition)" but I don't know how about it different. It has no book store that I can review those books, so I want to know, what is the different between those book and which…
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I have a Computer Science degree (long2 time ago) .. I do know Java OOP but i am now trying to pick up C++. I do have C and of course data structure using C or pascal. I have started reading Bjarne Stroustrup book (The C++ Programming Language - Special Edition) but find it extremely difficult esp…
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Ok, so I don't want you to do my homework for me, but I'm a little lost with this final assignment and need all the help I can get. Learning about programming is tough enough, but doing it online is next to impossible for me... Now, to get to the program, I am going to paste what I have so far. This…
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In unmanaged c++ dll i have a function which takes constant std::string as argument
Prototype : void read ( const std::string &imageSpec_ )
I call this function from managed c++ dll by passing a std::string.
When i debug the unmanaged c++ code the parameter imageSpec_ shows the value correctly…
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After more than a few questions about deciding on C++ books I thought we could make a better community wiki version. Providing QUALITY books and an approximate skill level. Maybe we can add a short blurb/description about each book that you have personally read / benefited from. Feel free to debate…
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I am always confused about static variables, and the way memory allocation happens for them.
For example:
int a = 1;
const int b = 2;
static const int c = 3;
int foo(int &arg){
arg++;
return arg;
}
How is the memory allocated for a,b and c?
What is the difference (in terms of memory)…
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Where is the definition of class stored in memory ?
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How can i allocate 3D arrays using malloc?
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Hi,
I have following this blog in setting Xvfb in my ubuntu environment:
http://corpocrat.com/2008/08/19/how-to-install-xvfb-x11-server-in-linux-server/
So I did this:
Xvfb :1 -screen 0 800x600x24&
My question is does Xvfb only allocate memory during initialization? i.e. just enough for a…
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I am writing an application and am surprised to see its total memory usage is already too high. I want to profile the dynamic memory usage of my application: How many objects of each kind are there in the heap, and which functions created these objects? Also, how much memory is used by each of the…
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