General C++ Programming - C++ Forum

i am doing algorithm to evaluate postfix expression class Stack{ public: Stack(); Stack(const Stack &tokken); private: stack <char> mystack; char c; int ...

[1 reply] : ... (by ne555)

by josheir

C++ STD.

I am using C++. I think maybe I might be interested in buying a book on the C++ Standard library. I couldn't find anything recent just : The C++ Standard Libr...

[6 replies] Last: Nothing's ever safe from jokes. "std" (minuscules) == shorthand for "... (by Duthomhas)

by Clint Westwood

2d char array as return value

I declare and fill a 2d char array in array.cpp and want to pass it to the rest of my program. From what I've read so far there are various ways to do that but ...

[1 reply] : Don't use C-style plain arrays in this case, they will cause you a lot... (by LB)

by BadAssPanda

Random guessing game error

Can please someone tell me why when i run this code ive get this error: Invalid operands to binary expression ('ostream'(aka'basic_ostream'<char>') and 'cons...

[3 replies] Last: Thank you I didnt notice this. (by BadAssPanda)

by soyasoya5

Finding the bug

Hello, im currently learning c++ and one of the exercises I was given is to find the bug in the following code. I could not figure out what the bug was, other t...

[1 reply] : http://stackoverflow.com/questions/752658/is-the-practice-of-returning... (by mutexe)

by TheHardew

Alias to method

I have a class which defines such function: std::string operator()() const; How to make a function with another name, which would work like this one? I'd lik...

[4 replies] Last: Maybe it's true, that I'm a little bit insane on optimizing. Thanks P... (by TheHardew)

by AcarX

Reading memory of an application

Hi guys, So i'm working on a simple bot atm using c++ and with ReadProcessMemory() i can read memory of the target application. But since memory address for ...

[1 reply] : I believe you can find the relative distance from the starting point o... (by Ispil)

by closed account iA7Ly60M

container of shared_ptr to base class and protected pure virtual method

I have been working on a little project for a while now and it was going pretty good until I ran into a little bit of a problem. Consider this code: #include ...

[5 replies] Last: I want to be able to call the overriden method "print()" on every ele... (by Gamer2015)

by rosa

Solving two nonlinear equations with two unknowns in C++

I have two nonlinear equations with two unknowns, i.e., tau and p. both equations are: p=1-(1-tau).^(n-1) and tau = 2*(1-2*p) ./ ( (1-2*p)*(W+1)+(p*W).*(1-(2*p...

[1 reply] : Hiya, If you've done it in matlab i'm assuming you're familiar with th... (by mutexe)

by sp25

Shared Memory Security

Hello, I am implementing IPC between 2 windows processes using shared memory (memory mapped file). The main reason for selection of this is to have the fastest...

[5 replies] Last: I get the feeling that OP wants to protect the shared memory from bein... (by helios)

by aandal96

need help my file won't open

what am i doing wrong? #include <iostream> #include <fstream> using namespace std; double calcAverage (int first, int second, int third); int findHighe...

[1 reply] : Do you have a file named "filename.c_str()"? (by Peter87)

by arvust

Quick Sort

Hi, I'm currently trying to convert a sorting algorithm from using two ints and an array to only using two pointers. below is currently what I am using bu...

[2 replies] Last: Smac89: The code follows the convention of first == the first element ... (by helios)

by hawesjib

invalid conversion from int* to int

its getting invalid conversion from int* to int in this section int s=&data ; please help. #include <iostream> using namespace std; const int size=5; int da...

[1 reply] : int s=&data ; You're dereferencing, then referencing again, resulti... (by Albatross)

by chtorr113

Class method in a vector call

I keep getting some errors on this code #pragma once #include"Include.h" //Here I have #include<vector>, using namespace std, //#incl...

[2 replies] Last: Thank you for the help but I solved including "schClass.h" in "school.... (by chtorr113)

by AcarX

Getting rid of empty indices in a vector

Hi guys, So i'm working on a client/server application and in server i have this: std::vector<Client*> *clients; and i'm using client->push_back(*clientA) to...

[5 replies] Last: Erase–remove idiom: https://en.wikipedia.org/wiki/Erase-remove_idiom... (by JLBorges)

by cppnoob25

Recursion help

Am I doing this right? I am trying to practice recursion and what I did here was re-write an iterative function into a recursive one. #include <iostream> u...

[8 replies] Last: Cire, I think you'll find it's spelt "evangelise". :) (by mutexe)

by Blats70

Can Anyone help?

Hello, I am currently taking a computer science class, I have run into something i just can't figure out. This is what is asked of me in this assessment"For th...

[7 replies] Last: Thank you to all. i have tried to put this together, i don't know. any... (by Blats70)

by sujitnag

scripting language

is there any good book/ online tutorial, how to built a scripting language?

[3 replies] Last: This article looks interesting in that it dispenses with LEX/FLEX and ... (by andywestken)

by gatorguy22

Input test

Hello everyone, I'm very new to programming and taking an intro course for fun. I have a project due tonight that I wanted to spice up a bit if I can. Here is ...

[3 replies] Last: Dupe post!!! Here... And there... Input test http://www.cplusplus.c... (by andywestken)

by csstudent123

does execlp need a path?

if(pid==0){ execlp(cmd.c_str(), (char*)cmd.c_str(),0);//I entered just ls and it lists the files _exit(EXIT_SUCCESS); ...

[6 replies] Last: @ MikeyBoy Let's not abuse the young padawans for their failure to be... (by Duthomhas)

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General C++ Programming - June 2015 (Page 13)