General C++ Programming - C++ Forum

program runs slower and slower as time goes on

Hey guys,I'm using the hyperNEAT genetic algorithm library to evolve a neural network that approximates the xor function. I'm using codeblocks. When I click "...

[2 replies] Last: Kerfin: I thought that too, but the evaluate function is only called ... (by cottagecheese125)

by asda333

camera calibration with occlusion

Hey Anyone knows much about camera calibration and its implementation. I have implemented it but am trying to find a workaround to calibrating a camera by...

[no replies]

by taichimathwiz

Understanding how struct works

Hello! The following excerpt is from http://www.cplusplus.com/reference/algorithm/sort/ struct myclass { bool operator() (int i,int j) { return (i<j);} ...

[3 replies] Last: Not quite. If you don't give a functor, sort will use the < operator ... (by Disch)

by greacon01

A program that determines how many consonants are in an entered string of 50 characters.

Write a program that determines how many consonants are in an entered string of 50 characters or less. Output the entered string and the number of consonants...

[1 reply] : - I would suggest that you go through each character in the string and... (by thejman250)

by greacon01

please can anyone help me with this code.

: Write a program that will: 1) read an array of records from the keyboard, 2) store this information to a binary file, 3) read from the binary file back to t...

[2 replies] Last: i used the std::getchar(); function and it worked for me. this was rea... (by greacon01)

by hrghader

memory leak

Hi, I have some code defined as below const std::wstring test = L"something"; const char LOG = "LOGFILE.txt"; these lines of code are defined in a .h...

[no replies]

by Tomhet

False system time

Ey, I want to give fake time date for a 32bit application (outside)... is it possible easily? the application crash when I have the current system time but if...

[3 replies] Last: grr nvm I'm lazy and just wrote this http://puu.sh/3Aeib/f90b91a879.p... (by Tomhet)

by Vermacian55

Vector iterators incompatible in debug mode

I get this error when i try to run this code for an inventory in debug mode in VS. But for some reason it works just fine in release mode. void Push_Back_...

[4 replies] Last: Oh sh*t it wasnt that line that made the error. I know where it is stu... (by Vermacian55)

by nzomkxia

how to make a protobuf dependent lib avaliable in a non-protobuf enviroment

I have a C++ project depending on protobuf, but there's no guarantee that all users have protobuf installed on there own PC(protobuf is only not the only way of...

[3 replies] Last: I think that should be possible. Why not try it out with dummy librari... (by Bourgond Aries)

by KryptonianJedi

Accessibility errors

Ok Same project new problem. My assignment has me using a bunch of pre-written code and I just need to fill in the blanks. Now after following the instruction...

[14 replies] Last: helpful discussion.... i need this type of info.... So thanks a lots (by Gregoryiem)

by abhishekm71

Qt Application error in Debug mode, OK in Release Mode

I have Qt (i think 4.8.4) 32 bit statically compiled on my Windows 7 64 bit. The compiler I am using is mingw32-make.exe. When I build my project statically in ...

[2 replies] Last: thanks for the reply. So I assume I will have to download and copy an... (by abhishekm71)

by CSCImajor18

Struggling With My Linked List

I'm trying to print the objects in the provided list to the user, and then give them the option of adding on a node or not. If they want to, they're able to pic...

[no replies]

by iliya

Need a simple C++ code for VOIP

Hi friends, Please guide me I need a simple C++ code for VOIP. I will appreciate you if you introduce me a simple C++ code for VOIP. I look forward for yo...

[7 replies] Last: op has 6 posts, nuff said. (by DeXecipher)

by sharpie789

Errors with unresolved token and unresolved external signal

My program will not run because of error LNK2028 "unresolved token" and error LNK2019 "unresolved external signal" and I do not know why. My teacher says that I...

[2 replies] Last: I changed a lot of the program, and now I am getting the error "no mat... (by sharpie789)

by bananalena

Metadata extraction

Good afternoon. I am currently having a project that I am out of my wits. This project needs me to use C++ coding to come up with a program when run, will open ...

[4 replies] Last: You need to use the Windows API, not any third party library. Try thi... (by LB)

by ZeHgS

How to make a program that works influences another one?

Hi guys! I posted this on the Beginners subforum but I got no answers. I am not sure if this is because this topic is more advanced, but in just in case I am...

[11 replies] Last: It's nice that you aren't one of those rude people who seek help. Don... (by closed account N36fSL3A)

by Sarmadas

Array Copy Help please I'm Confuse

int firstarray = {1,2,3,4,5,1,2,3,4,5}; int second array ; i want to copy the first array into the second array but don't want to copy the duplicate va...

[12 replies] Last: Thanks (by Sarmadas)

by muhammad ibrar

• Build the min heap with no repeating values.

10,11,20,1512,22,24,19,22 i want to write a c++ program to build min heap which gets above values from user. remember this program should not alloduplicate v...

[11 replies] Last: personally i like the bubble sort algorithim (by closed account Dy7SLyTq)

by ChosenTorture

Unexpected behavior of the istream::peek function

In the following code: #include <iostream> using namespace std; int main() { cout << "Enter\n"; char s ; cin.get(s, 10); char c =...

[12 replies] Last: @ChosenTorture Are you trying to say that streams never reach an eo... (by Rechard3)

by goshqie

fgets in C Programming

fgets(asked_hotel, sizeof(asked_hotel)-1, stdin); asked_hotel[strlen(asked_hotel)-1] = '\0'; //scanf("\n%99s", &asked_ho...

[1 reply] : Could you say above all what is your problem? (by vlad from moscow)

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General C++ Programming - July 2013 (Page 23)