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General C++ Programming - September 2013 (Page 30)

go through vectors? which way is better?

How can I use one index to iterate between all the values for example: //I defined vector<typeA> VA(XD,typeA()); vector<typeB> VB(XD,typeB()); //th...

[7 replies] Last: Iterating over two vectors is called a zip in functional programming I... (by closed account 3qX21hU5)

by northfly

size_t going down from uplimit to 0?

to go through an array from 0 is easy for(size_t i=0; i<size; i++) but when going starting from high limit, things changed for(size_t i=size-1; i>=0; i--)...

[3 replies] Last: non-member rbegin/rend are not all that complicated to stick into your... (by Cubbi)

by Toshen

delete[] crash a program

All works fine but "delete cmd;" crash the program; I tryed to find explaination in Internet but there was nothing. Here is the code: int _tmain(int argc, TCH...

[4 replies] Last: Well, I normally just tell people to stay away from Windows-isms but w... (by closed account S6k9GNh0)

by Minchino

making application store using c++

i have my defense on saturday but i cant present any.. I seriously cant because no matter how hard i study , i cant absorb any lesson from comsci programming T...

[5 replies] Last: "Defense"? In the UK we call then viva voce, or viva for short. An... (by andywestken)

by abhishekm71

Integer LP solver with Qt application

I am writing a Qt C++ application in which I need to solve a Mixed Integer Linear Programming Problem. Is this possible with any standard Qt or C++ libraries? ...

[3 replies] Last: Thanks a ton keskiverto! That surely clarifies things... (by abhishekm71)

by seansabour

Adding Two Arrays with different sizes

#include <iostream> #include <array> #include <sstream> #include <iomanip> using namespace std; //Function Prototypes void input(int&,int&); void pr...

[2 replies] Last: Lets look at your code: int *vArr= new int ; int *vArr1 = new int ;... (by keskiverto)

by Ceset

inheritance and headers

guys i remember i have read that inheritance slows down the process. because a_class -> b_class -> c_class ... it goes thorough many classes to find a function...

[3 replies] Last: maybe i should just forget about my questions other than "does inherit... (by Ceset)

by ribohe94

SDL window image flickers

Hi! I've been learning some programming with the SDL libraries and I've encountered a problem, whenever I debug the project, the window shown flickers with the ...

[7 replies] Last: Whoops yeah you did say that. For whatever reason I thought you said ... (by Disch)

by roger911

SDL - Can't run program outside of IDE

Hey guys, I've been working on a small SDL program and decided I wanted to throw the program on to a disc so I could show some people what I'm working on. Howev...

[8 replies] Last: What is the error message that appears or will it just crash? (by Cronnoc)

by vijay daultani

what is wrong with this example of dynamic 2D array? It gives segmentation fault on execution.

#include <iostream> using namespace std; class TwoDArray { private: int** Array; int row; int col; public: TwoDArray(int m=2, int n=3); ...

[3 replies] Last: @cire I got your point actually it was a very silly mistake I need to ... (by vijay daultani)

by zionet

cplusplus.com OFFLINE VERSION???

'm looking for the cplusplus.com OFFLINE VERSION reference, anyone know where I can download the PDF or ZIP or RAR. Not http://en.cppreference.com/w/Cppreferen...

[1 reply] : Why not? Also, it would have been much easier to just reply to your ot... (by Danny Toledo)

by g sniper

micro-mini interpreter challenge

Implement the algorithms on expression evaluation using the ADT Stack. The input will come from a text file with the following requirements: 1. There must b...

[15 replies] Last: @Duoas ,For me, It's nothing more passion than waitting you to post in... (by closed account 28poGNh0)

by Cronnoc

SFML threads

All i need to know is what a thread is and how to implement them into a program. (i don't have a particular program but i would still like to know).

[1 reply] : A thread is a path of code that is run at the same time as your main p... (by Disch)

by Rayan jutt

how can i get rid of this error ...?????

LNK1181: cannot open input file 'sfml-graphics-s-.lib' (RELEASE) 'sfml-graphics-s-.lib' (DEBUG) I am working in visual studio 2010 and making a proj...

[1 reply] : The linker is telling you that it can't find the .lib file. Looks li... (by AbstractionAnon)

by Ceset

key inputs

this is the thing i m working on: #ifdef __cplusplus #include <cstdlib> #else #include <stdlib.h> #endif #include <SDL2/SDL.h> #include <SDL2/SDL_imag...

[12 replies] Last: ohhh. com'n man. got a hold to yourself. by saying that you are really... (by Ceset)

by DrZoo

operator= error

My program is crashing when I'm trying to call b = a. What has me confused is that when I call c = d = b, it all works fine. Here is the code. I can't think of ...

[13 replies] Last: Thanks everyone for your input and help. I greatly appreciate it! (by DrZoo)

by thornx1

I want to make a bot.

I want to make a personal bot for fun. I am fairly good with C++ and i am currently getting into network programming. I thought it would be fun to make a small ...

[2 replies] Last: I forgot to add, i am using windows, but i also have Cygwin. Though i ... (by thornx1)

by Snaksa

Error while opening a file

Hi! I have started studying about working with files but I have some problems. I have this code: #include<iostream> #include<fstream> using namespace std; ...

[9 replies] Last: That could probably be the reason, as inverting them will first try to... (by S G H)

by asda333

what's wrong with this code

Hey Below is a code, which sometimes randomly says error, unhandled exception error something to do with access mask out of bond which is ridiculous and somet...

[5 replies] Last: >i don't understand by what you wrote. Use a debugger to trace the ... (by abhishekm71)

by francesclc

NorFlash Memory Acces

Hello, I am doing a project which I have to read, write and erase data from a NorFlash Memory. Then, I have to compare those data files in order to find errors...

[3 replies] Last: How much memory is there? You could just keep copies in RAM (on the h... (by kbw)

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