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General C++ Programming - May 2010 (Page 5)

Hi, I'm trying to prototype a "plug and play" class. Basically, just want to have a generic function I don't have to modify but still want to be able to add...

[11 replies] Last: Well, I think I now have the answers I needed (what I can do, what I s... (by jlabbe)

by ramKrushna

How can i calculate the Md5 of File

Hi experts I wanted to know how to calculate the MD5 of a file Please Help

[6 replies] Last: The issue is how large the chunks are. If two implementations use diff... (by chrisname)

by antonin07130

delete array allocated in a function

Hello, I have a deallocation problem : I have several classes, and in one of these, a function is returning an array of double : double *funtion() { doub...

[1 reply] : double post (by Denis)

by bharathnarayan

Run time error

Hi all, I have this piece of code and I run this on windows (vc++) and in Ubuntu (g++ 4.4). In Linux it works fine and works without any error (neither at co...

[6 replies] Last: Thanks Grey for the explanation. This makes it clear. -Bharath (by bharathnarayan)

by ramKrushna

How to i convert DWORD To Hex

hi Expert's my sample code: DWORD m_dwAEP = pNTHeader->OptionalHeader.AddressOfEntryPoint; I want m_dwAEP in hex.

[2 replies] Last: Thanks So much............ (by ramKrushna)

by BaluM

missing last bytes when reading binary file with C++ iostreams

Hello All, Could you please help me on below issue!!!! I was writing and reading binary file as below, when i write array to file it was writing good but ...

[4 replies] Last: @BaluM You need to use squate brackets around the code tags. Rat... (by Galik)

by flower07

Two Virtual Functions

One of my friends asked me this question. Neither I nor he knows the answer. What will happen if I use virtual keyword in the derived class as well? Is it po...

[5 replies] Last: 1. is incorrect. If a is a pointer to an object of type A then it will... (by Galik)

by mpolet

search tree

Hi, I'm a student trying to program a searchtree with the class TreeSet and Node. The comment is in dutch, so just ignore that. I don't really need help wit...

[3 replies] Last: Thx, that helped a lot (by mpolet)

by eukaryote

a small parser problem

Hello, I am very new to c++. I have this piece of code in cpp file (don't have it on h file): MLP::MLP(ParameterParser &pp, int in, int out) { int hidde...

[1 reply] : It seems that you forgot to include something. (by Denis)

by zile

getting file's text with ',' delimit

hi, i have a file which is like this 16A9B,15A,4,6,6,8,156A,19B... it may be as long as 200mb in size file , and all of them are in hex values what i nee...

[2 replies] Last: lemme get this right , i removed the whitespaces cuz theres no space i... (by zile)

by computerpublic

Making a two(2) dimensional vector

The code works great, but I am trying to add the length of the each name to the vector. Can someone please show me how to declare a two(2) dimensional vector? I...

[8 replies] Last: The golder rule of arrays: in order to allow random access, all elemen... (by helios)

by computerpublic

error C2228: left of '.swap' must have class/struct/union type

I have added another vector in order to keep track of all the lengths of each name. I am having some trouble with the sorting part of it. Can someone please hel...

[2 replies] Last: What exactly is the point of A_names_sizes? std::string already hold t... (by helios)

by computerpublic

Cannot get "goto" to work.

The code is 99% working, but I am now getting a compiler error. I am able to bubble sort and output all the names that start with the letter "A". However, when ...

[5 replies] Last: You don't need to put those "if (infile.eof())" constructs in the midd... (by Galik)

by bobert89

random number generator

The program is taking an inputed amount of teams, and placing them on a bracket line for a tournament. It prints correctly, the only problem is that the numbers...

[1 reply] : Fill up spots with numbers 1-x, then use std::random_shuffle to shuffl... (by R0mai)

by mackabee

Interacting with Websites

Could anyone point me to some references or tutorials that deal with interacting with websites? For instance, writing a program to click a button or interact wi...

[11 replies] Last: You might want to look at Curl: http://curl.haxx.se/ That could be ... (by Galik)

by Kanashin

Implementation of sort - List

Hello ! I want to do my own implementation of sort using the standard library of <list>. I know how to implement merge sort if I have implemented my own lis...

[2 replies] Last: Thank-you very much for your answer. I want to implement my own alg... (by Kanashin)

by jdpjtp910

Binary Tree

I am trying to pass data into a class object and the put that class object into a binary tree. My code was mostly give from the professor, but I am stuck on thi...

[4 replies] Last: Well I got it to work. My only question now is how do I add more than ... (by jdpjtp910)

by computerpublic

Problem Bubble Sorting a Vector

I am trying to Bubble Sort a list of names by the length of the names only. The alphabetical part is already solved. The program crashes while running on the bl...

[6 replies] Last: FYI, I am not sure that the std::vector is the right tool for this job... (by kempofighter)

by blackcoder41

How to program a Casio calculator?

Does anyone of you knows how to program a simple casio calculator? The model is FX-570 http://www.luvpl.com.sg/Calculator%20FX-570MS.gif Or is it even pro...

[9 replies] Last: The TI calculators are different animals Vexer. They can be programme... (by cnoeval)

by Dufresne

Slowness of Vectors (1,2)

Hi all , I realized that , declaring and filling a 2D vector cost much more time than declaring filling a 2D arrays. I tried to allocate and fill a 500x700 ar...

[24 replies] Last: Wow,thanks helios, I didn't know about optimization settings of compil... (by Dufresne)

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