General C++ Programming - C++ Forum

Constructors/destructors/STL question

#include <iostream> #include <vector> class A { public: A(int n) : m_n(n) { } A(const A &a...

[4 replies] Last: The minimum (what I got on HP-UX) is 3 and 1: each of push_back(a) is ... (by Cubbi)

When to spot uses of modulo operator

I understand % (mod) operator returns remainder. The only real use I know when to use it is for dete...

[15 replies] Last: What is the purpose of your function? Also, would some kindly explain... (by closed account 4ET0pfjN)

by hb2012

corrigé un code source en opencv

slt tout le monde, j'ai une problème au niveau programmation de opencv , j'ai déjà fait une part...

[3 replies] Last: It seems that the you can't load the image, so imgw is a null pointe... (by ne555)

by fadi93

Password protected - security door

hey how are you hope all are fine i have here project about Password protected - security door can ...

[4 replies] Last: thxxx for your comment (by fadi93)

by Cyle Fangmeier

Output freezes compiler, and I don't know why...

I am writing a program to calculate the amount of employees needed per hour based on the amount of c...

[2 replies] Last: Thank you. I forgot the based-zero (by Cyle Fangmeier)

by closed account 10oTURfi

Looking for right container

I need a map-like container in which 1 value could be accessed by multiple keys(usually dozen), whic...

[9 replies] Last: I just wrote this one. Not sure if its best idea, but what do you guys... (by closed account 10oTURfi)

by en liten kille

projection

The perspective projection formula is something like this: new x = (some number) * x / y + scree...

[no replies]

by hello 12345

Parallel Programming??

Hello all, I am new to C++ programming. I have encountered a problem where in i am supposed to run ...

[7 replies] Last: A process is an instance of an executing program. A thread is part of... (by Moschops)

by Acoyo

RE: Simple Terminal Game C++

Hi all this is my first post. I am a beginner in C++ and i came across a topic on this forum called ...

[1 reply] : I have changed it a little bit. both players now start with 100hp Po... (by Acoyo)

by rayjeyz

Substrac Fraction C++

This is my code, and I don't know what does "this" mean in my code. I just followed the example to ...

[1 reply] : In C++, every class has an implicit pointer to itself. The pointer is ... (by Moschops)

by hello 12345

Error debugging

HI all, I was compiling a program of inserting an element into a sorted array/getting the index of ...

[2 replies] Last: You get a warning because you use a feature that is only available in ... (by Peter87)

by Kaled

File Transfer via TCP socket Pipe

I have a question regarding creating a pipe of sequential sockets to forward a TCP flow over N-Hops ...

[8 replies] Last: You can make one application that does everything, however when launch... (by closed account 3TXyhbRD)

by JJJSSS

I'm confused about data structs and classes

In my class, we went over this stuff briefly and now that it's time to apply it, I'm completely conf...

[4 replies] Last: Yep, looks good. (by closed account 3TXyhbRD)

by Scripter

New Programmer

Hey guys im new to all this and im writing a script to output what my age is and if i enter it corre...

[4 replies] Last: It worked like a charm. Much appreciated. Excuse me for not understand... (by Scripter)

by en liten kille

math problem

I am trying to write a function that rotates a 3d point in two angles. This is what I've got bu...

[no replies]

by codder

What I'm missing? (vector search)

struct s { int a; int b; int c; }; Suppose to have a filled vector vector<s> vec; now let's search...

[2 replies] Last: no what I should put inside? Edit: Ok i understood Thanks :) (by codder)

by gamefanatic

convert int or float to char

hi I am using SDL and TTF_RenderText_Solid() to show text in my game. I have an int variable and a...

[5 replies] Last: > I get an error and on the watches panel it says playerCash = <incomp... (by JLBorges)

by rkarthik63

Dynamic memory Allocation over Variable Length Arrays

Hi der!! I have a question to ask in C / C++? Q. While creating larger programs it is beneficial ...

[1 reply] : C99 variable length arrays are not there in C++. In C++, use std::ve... (by JLBorges)

by toran

##macro - difference between VC and GC

Following code compiles and runs fine in MSVC, but fails in GC. I'll appreciate the help in a)unders...

[2 replies] Last: Why do you want this macro? To save one line of code? If you must hav... (by JLBorges)

by Cylab

how to read thousand files

Dear All Please share your thoughts and ideas!!! I have thousands of files (.txt) which I have to ...

[6 replies] Last: If you're looking to implementing a cross-platform, lightning fast fil... (by closed account 3hM2Nwbp)

General C++ Programming - June 2012 (Page 31)

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