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General C++ Programming - April 2014 (Page 19)

i have a function that contain a 2d string array & i need to return the whole array to the main function,but i found that the ordinary return fails, how can i d...

[5 replies] Last: thanks Duoas,thanks all replier (by andriac)

by danielmccarthy

Bad programming practice?

I have wrote some code but I think the record structure might be bad code practice? feedback would be appreciated #include <iostream> #include <vector> ...

[6 replies] Last: Yeah that was a mistake I corrected that a few minutes ago. I don't en... (by danielmccarthy)

by closed account zqMDizwU

Visual Studio Multiple Projects

When I add multiple projects to my solution explorer how do I just run one project? One project does not run correctly, but the other project does, but the proj...

[1 reply] : I figured it out. Right click the project. Debug ->Start new instance (by closed account zqMDizwU)

by krrish123

Battling Average (1,2)

Im trying to fix my code and get the result as give but it wont give the same result. and the output should be two as shown below in output section. i fixed wh...

[22 replies] Last: yes the last option you mention worked: thank you once again (by krrish123)

by closed account zqMDizwU

Visual Studio

Dear c++ community, Is it possible to store multiple project files in one projects solution explorer? Thank you!

[2 replies] Last: Oh yes finally someone has came up with the answer. Thanks! (by closed account zqMDizwU)

by Snnnider

Removing from a vector of sets

Hello, I have a vector of sets in which I wish to remove a set from the vector, if it contains a certain value, is there any way of doing this? for(int j =...

[11 replies] Last: Wow that certainly speeds things up a lot! Thank you very much! On... (by Snnnider)

by Subo93

Read from a file

I have saved 1 subo 34 54 65 2 suvi 43 90 54 3 nana 45 87 98 4 Anshu 77 88 55 5 SUBA 90 23 34 I want to print above data but it outputs infinite line...

[2 replies] Last: Thanks..! (by Subo93)

by vFreeman

Cant delete object

int NextPixel(int antIndex, int currentPixel , Ant *ant , IplImage *edgeImg) { int left = currentPixel - 1 ; int right = currentPixel + 1 ; int up = cu...

[3 replies] Last: Ty for your helping appreciated... (by vFreeman)

by vFreeman

plss help

typedef struct ProbWays { double *probs ; int length ; }ProbWays; int main() { ProbWays *ways = new ProbWays ; ways->probs = new double ; ways-...

[1 reply] : Line 8 doesn't even compile: you have to specify the size of the array... (by Fransje)

by kox

boost copy_file() undefined reference

Hello. I'm struggling to use liboost in order to copy files. In reference there is: void copy_file(const path& from, const path& to); void copy_file(const path...

[2 replies] Last: Thank you it works. (by kox)

by superfury

Using malloc/free multiple times leaves less memory?

My application calls malloc in multiple subroutines, finally releasing all using free. This is done using my zalloc library (see my other post: http://www.cplus...

[3 replies] Last: The memory is just allocated using malloc and freed (only with valid p... (by superfury)

by topnik1

PNG file loading

How to load png files and extract their rgb pixels? Library recomendations? And some tips...

[2 replies] Last: And before you start writing a wrapper: libpng++ http://www.nongnu.or... (by Lowest0ne)

by mr yogurt

Problems using the PDcurses library VS2013

Recently, I have discovered PDcurses. However, my attempts to use it in Visual Studio 2013 have failed. I have been searching Google, and I can't find an up to ...

[2 replies] Last: Actually, it was previously built. I found the error, a very simple on... (by mr yogurt)

by jokerman20

i need help with C++ program

hi im using visual basic 2010 and i made my own program and i would like to know how to make the program exit after the user pressed "ok" on the message box her...

[4 replies] Last: because vb is C++ no its not. not at all... (by Little Bobby Tables)

by Alby94

Syscall - sys/syscall.h

Where can i find this library? The compiler reports me: "Not such file or directory"... I want to call the syscall function included in this library... EDIT...

[2 replies] Last: #if __linux #include <sys/syscall.h> #elif defined(_WIN32) || defined(... (by vFreeman)

by James Parsons

Cross Platform Way To Execute A Program

System(); is bad, I get that. Is there another way, that works across platforms I can use to execute an external program. If not, is there a windows specific w...

[2 replies] Last: look at execvp and such functions here http://publib.boulder.ibm.com/i... (by codewalker)

by johnwesley123

Segmentation fault, core dumped error using Vector in CPP

I am getting error : segmentation fault (core dumped) for the below piece of code.. Can anyone help me..?? #include <iostream> #include <vector> ...

[3 replies] Last: Also note that I have corrected signature for "main" int main() ... (by cire)

by marijus5012

C++ error LNK1120 and LNK2019 unresolved externals

Hey guys, I am trying to execute method, which is in another class, from main. I got all three classes in header file. When running program it says : Error 2 ...

[2 replies] Last: Thank you cire, I'll have that in mind. Appreciate your help and patie... (by marijus5012)

by teslaa

Function reference issue

I the following error when compiling the below code... Note this worked fine until I created the header and added the functions to the pkg class. '&' : illeg...

[1 reply] : The cause is not that you moved declaration in header. It is due to th... (by codewalker)

by naveen2525

vector memory allocation

vector<Type> vect; //allocates vect on stack and each of the Type (using std::allocator) also will be on the stack vector<Type> *vect = new vector<Type>; //a...

[3 replies] Last: then vector<Type> *vect is equal to vector<Type*> *vect ????? (by naveen2525)

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