General C++ Programming - C++ Forum - November 2014 (Page 22)

Arrays Question: Functions not functional

First time poster here. Glad to join the forum. I'm currently reading "Jumping into C++". I'm stuck solving this practice problem on arrays: Write a program t...

[3 replies] Last: Thank you doug4 and Disch. I can see the mistake I was making. (by nakane09)

by nik65

stuck on webscraping and arrays

I am trying to complete a function that takes info from a string, that has been taken from a web page(this part is completed), and then puts the strings into mu...

[no replies]

by closed account 3qD2y60M

how is it working?

Hi everyone, I was reading a c++ code and I saw this: #include <cstdlib> #include <iostream> using namespace std; int main(int argc, char *argv ) { c...

[no replies]

by Crypted

Storing Life Form Details in a Class

So for an assignment, I have to create this Life Form class. The instructions are... (skip the big blob for a summed up version) Create a "Life Form" class tha...

[no replies]

by Just Me

std:out_of_range when using string::erase

I was using a small code snippet to erase <em> from string doesn't work? Code: string htmlLine = "<em>suez</em> canal"; string searchEm = "<em>"; int posEm...

[4 replies] Last: Thanks, now it works. And thanks @jib for the tip! (by Just Me)

by suuunly

Returning a dynamic value from a function

is this considered a memory leak? Polygon* create_square(const Vector2d& position, const RGB& colour, const std::string name) { // Polygon, Vector2D, RPG a...

[1 reply] : Not if you delete it when you're done with it. Although your 'Polygon'... (by Computergeek01)

by sajid dayer

class

#include<iostream> using namespace std; class a { public: virtual void add(int)=0; virtual void dis()=0; }; class b:public a { int m; public:...

[1 reply] : ...can any one know whats going on? Yes, and although it admittedly ... (by Computergeek01)

by programmer2014

inheritance and composition

can any one help me In this assignment the student should develop a month calendar by designing a class called calendarType . This class uses two other c...

[1 reply] : Please note, that this is not a homework site. We won't do your homewo... (by keskiverto)

by goldengeneral

help

I got homework to write a program and I'm stuck in all of it lol please if you have the code for this program send it to me .... _________________________...

[no replies]

by mzzz

About dynamic memery,allocate with new, free with delete[]

i know if use new to allocate a block of a specified type, and must use delete to free them,in this case, if use delete will result in memory leak. but, wh...

[2 replies] Last: thank you, it helped. (by mzzz)

by jemeripol

Reading a line of text with the spaces

Hi guys, This site has helped me a lot regarding some programming techniques. I would like to ask another help. This is about reading a "txt file" and...

[14 replies] Last: Yosh!! I learned a lot. I'm not that good in programming because I a... (by jemeripol)

by jonmackey22

Find the lowest number

This is a simple program I am building to find the average of 5 grades where the lowest grade is dropped. I created a function findLowest() which accepts the 5 ...

[2 replies] Last: Maybe you can use loop here instead of series of if-else's. :) (by jemeripol)

by jemeripol

Compiler Error

My compiler does not update with my edits in the codes in C++.. It still displays output from previous edits. I'm using Dev-Cpp 5.7.1 MinGW 4.8.1 on Wi...

[6 replies] Last: @Albatross, Yes, I am using Code::Blocks now. And I can say that it w... (by jemeripol)

by lionki

anyone know this simple algorithm

here the algorithm : s = 0 for i=1 to n do s = s+i*i return s first time i thought it was sieve of eratosthenes's algorithm but i don't even know what i am le...

[4 replies] Last: thanks guys, i helped (by lionki)

by memberfunction

Enum vs enum class C++11

What is the difference between enum and enum class in C++11? I think it is about type safety, but I need a better explanation. Thanks in advance...

[4 replies] Last: Now I get it. Thank you very much! (by memberfunction)

by anndurill

Read all values /strings form unknown file

Hi guys, I'm having a little problem: For an assignment I have to write a program which basically converts 8 bit binary numbers to ASCII and outputs the ass...

[6 replies] Last: He's a great guy. :) (by jemeripol)

by jodytj

Error Checking

// My error checking is not working and I have been unable to figure out why? //driver.cpp #include "List.h" #include <iostream> using namespace std; ...

[no replies]

by yoslick11

Calling base function from derived overloaded function

Here is a sample of my question class Base{ public: int getNum(); private: int numToGet; } class Derived: public Base { p...

[1 reply] : Sorry, i forgot to change my getNum function to a constant function. W... (by yoslick11)

by comradejonathan

Please help with arrays homework (in C)

I'm having trouble figuring out how to calculate the mode. We're not allowed to use pointers (except for qsort) nor linear linked lists nor dynamic variables, n...

[2 replies] Last: The Mode is the most frequent number. I'm sure there's a more efficie... (by kbw)

by erik341

Create a function that makes a copy of a private map

So I'm doing this project: http://www.gamedev.net/topic/409907-c-workshop---project-1/ For now I've done a function that creates menus and prints them, and a...

[11 replies] Last: ///////// player.h //////////// // ... struct player { std::st... (by JLBorges)

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General C++ Programming - November 2014 (Page 22)