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file write Hello group members, i am a newbie and trying to write array values to a file. array values are dynamic so i need to create file first and later append the values here is the code i tried... the file is created but it is empty can any one help.... void filewrite (unsigned int *sad, unsigned char *p... 25 Jul 2008 08:22
Heap corruption detected!! I am reading the "C++ Primer, 4th Edition". I compiled the following codes, // C-style character string implementation const char *pc = "a very long literal string"; const size_t len = strlen(pc +1); // space to allocate // performance test on string al... 24 Jun 2008 23:37
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Division result is always 100 instead of 99.99 Hi All, My coding have following stmt in which I divide large number say X by number y which is sligthly greater then X. Say Y = X + 1 double successRate = 0; double passedCandidates = 10000000 ; double failedCandidates = 1; sucessRate = (passedCandidates * 100) / ( passedCandidates + failedCandidates... 25 Jun 2008 10:52
how to get std::map-keys Hi, i have a std::map<AnsiString,int> ErrorLabel; ErrorLabel["first"] = 231; ErrorLabel["second"] = 334; now i want to loop through all elements: for (std::map<AnsiString,int>::iterator it=ErrorLabel.begin(); it!=ErrorLabel.end(); it++) { *it // here i need the keys "first" "second" but how do i ge... 20 Jun 2008 10:10
Initialize with Copy Constructor? Hi all, I accidentally found that g++ compiles the following: B b = b; In this case, B is a class, and the copy constructor of B is called, no default constructor is called however. It means that I'm actually initializing b with an uninitialized b. Is this a compiler bug or intended behavior? I thought ... 23 Jun 2008 03:30
newbee help : parser in C hi all . i am trying to build a parser in ANSI C . I made a lexical analyser in the same language a while ago . It was a very simple lexer that tokenised a simple C source code text file - basically a very simple lexer . I had made use of hash tables for the data structure . Now i want to know how to build a parser... 20 Jun 2008 02:00
Saving a file from I`net URL Hi all, Given a file url (internet url) , I need to save it on my hard disk using c++ code. Is there anyway I can do this through pure c++ ? The code needs to be portable on both windows and linux. Also, i do not wish to use system calls usch as system("wget") etc. Plz guys.. could someone help me out ? I`m ... 19 Jun 2008 01:11 |