Discussions - comp.lang.c++

Hi everyone, I'm reading "The C++ Programming Language" (Bjarne Stroustrup, 3rd edition). At page 193, he said "Doing error handling using the same level of abstraction as the code that caused the error is hazardous; the error-handling code might repeat the same error that triggered the error handling in the first place", and I don't... more »

By nguyenminhhai - 4:42am - 1 new of 1 message

	Test for learners
	I have devised two tests for learners of C++: 1.) When you want to test whether something is an expression within a correct program, put a pair of parentheses around it. If it is an expression, the program will still be correct and the behavior of the program will not change.... more » By Stefan Ram - 3:44am - 7 new of 7 messages

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Define an interface hierarchy?

Hello! I have a class hierarchy that consists mainly of one base class CtxBase, and two children: LoginCtx and DisconnectCtx. Now, there's a need to provide an interfaces for this hierarchy. I'd like to export this classes from a DLL. And I'm in doubt how can I achieve this? My first option was to define a base interface (ICtxBase) and then... more »

By Anton Bredikhin - Sep 5 - 3 new of 3 messages

	I would like to change my job
	Hello everybody, I am a C/C++ programmer since about 10 years and during all this time, I was away from the new needs of companies. I was completely satisfied of my work and thought that my growing skills would be needed in any company I would go to. But now that I want to change I to a more well-paid job, I find it... more » By Hassan Bobo - Sep 5 - 3 new of 3 messages

	Inheritance from a Template class, problems accessing protected member
	Here is my code: ...template<typename T> class RawPtr { protected: T* pointee_; public: RawPtr() : pointee_(0) {} RawPtr(T* pT) : pointee_(pT) {} ...template<typename T> class SmartPtr : public RawPtr<T> { public: SmartPtr() : RawPtr<T>() {} explicit SmartPtr(T* pT) : RawPtr<T>(pT)... more » By liam_herron - Sep 5 - 3 new of 3 messages

	what the meaning of this code
	Hi, I just want to ask the question about this code int len =0; len =5; "x41" * (len); In this is "x41" is multiply by 5 or it just can acquire space like this x41x41x41x41x41 . I am a newbie and i am confused , If you can't understand this question i am sorry, but i just want the clarification of this code.... more » By sam - Sep 5 - 5 new of 5 messages

	The difference between new node() and new node?
	now, I define the struct following: struct node { bool match; node* child[27]; ...What's the difference between 1) node Trie=new node(); and 2) node Trie = new node; By remlostime - Sep 5 - 5 new of 5 messages

how much time?

I am aware that this is, technically, not a question about c++ but surely here someone will now-how-to. I have a program, with lots of routines, and complicated stuff. I want to optimize it but I don't want to optimize all the parts, but rather the ones in which it takes longer. Of course one can put time logs in the program, but there must... more »

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