General C++ Programming - C++ Forum

Which one is better for beginner If i just wanna buy one book

[1 reply] : C++ Primer 5th Edition is more of a reference book than a book for beg... (by Pebble)

I just started getting into templates.I am trying to code this so it supports all data types instead of just int. i know what i did is wrong for sure. please sh...

[3 replies] Last: Does it compile? (by firedraco)

by tonysonney

Information on Non-default member class whose argument is another class

Hello All, I have 2 sets of code. Once compiles and the other doesn't. But I don't understand why. Can somebody please help? I started coding cpp just...

[11 replies] Last: You're welcome! (by MikeyBoy)

by harryz619

Check for symbols

I need a function to check if the inputted string contains a colon. It has to be in an if loop as the condition.

[1 reply] : If you mean a character array then you can use standard C function str... (by vlad from moscow)

by mukulabdagiri

Using memory pools

How can i use memory pool with a char array? Is there a way to allocate memory somewhere in the middle of the array? i.e. allocate memory in chunks. eg. al...

[7 replies] Last: Hmmm... maybe it's too involved a question for here? But there is qui... (by andywestken)

by thebawt

A quick problem reguarding strings

Hi there, I am very new to C++ and I am encountering a problem in my work. I have a program that Adds, Removes, Sorts, Finds, and Displays character inputs, su...

[6 replies] Last: Perhaps an example? Keep in mind I am very new. I started a class le... (by thebawt)

by codeback99

string add

if string str = "sfsdfsd" and i want to add like str +str but it return some integer value why? and how to fix it?

[3 replies] Last: Even better, you could you post a small, complete program that illustr... (by andywestken)

by alantheweasel

C++ Generic Problem

#include <iostream> using namespace std; template <typename T> void swap(T & a , T & b); template <typename T> void swap(T & a , T & b) { T tem...

[3 replies] Last: You can write simply :: swap(n,k); (by vlad from moscow)

by closed account oL3pfSEw

Game Engine for a 2D RTS

OK, so I have dabbled in C++ for a considerable length of time, and have decided to make a game. Specifically a 2D RTS. This is to be my first 'big project'. ...

[2 replies] Last: Thank you very much indeed! I'll check it out. (by closed account oL3pfSEw)

by nianqing

How to avoid if fstream opens a directory (infinite loop)?

If the filename below is a directory, then the following loop goes to infinite. std::ifstream in; in.open(filename, std::ifstream::in); if(in.fail()) ...

[1 reply] : Just don't use while (!in.eof()) . Check the result of getline() inst... (by Cubbi)

by cPPbeginner17

Safest Driving Area

Problem: Write a program that determines which of 5 geographic regions within a major city (north, south, east, west, central) had the fewest reported traffic a...

[1 reply] : it shows me the memory address of the string variables The solution... (by cire)

by ElCommunist

Make the most of 32/64 bits architecture

Hello everyone, and thanks for your valuable time :-) I would like to know how to make the most of 32/64 bits CPU architecture (if it is possible...) As I unde...

[no replies]

by bobsfog

PLEASE HELP ! need to Implementation FSM class in Cpp

this my prototype. Thanks for help FSM in C++ // definition of user-defined action routine. Action routines are called by function Fsm::fire() with // two pi...

[no replies]

by Sam Faynzilberg

Null Pointer problem

If anyone can help identify the problem here, that would be excellent. Now I have this class QuadTree and QuadNode. I call the following from Main: ... Ter...

[2 replies] Last: oops... thanks Cire, much appreciated. (by Sam Faynzilberg)

by closed account NUj6URfi

Video game programming

How would you create a video game in c++? I'm not sure really how to display the graphics and set properties and do all that stuff. I don't have money to buy a ...

[2 replies] Last: Or the two libraries that are used most for 2d game programming: SFML ... (by Fransje)

by klw

What size to use for reading binary?

My binary file size is 88200000 bytes, but each element should have 2 bytes. So when I use "infile.read( block , size)" , should I be using the size of the ...

[1 reply] : > when I use infile.read(), should I be using the size of the file or ... (by JLBorges)

by katokato

Best book to learn about algorithms and data structures?

My friend reccommended me to go for this one: http://www.amazon.com/Data-Structures-Algorithms-Second-Edition/dp/0534375979/ref=zg_bs_132570011_15 And everyo...

[1 reply] : The Cormen book is heavy reading if one does not have a strong mathema... (by JLBorges)

by hotcoffee

QtCore4.dll was not found - codeblocks and Qt

This is the error when i compile and run a simple program in codeblocks "this application has failed to start because QtCore4.dll was not found. Re-installing t...

[4 replies] Last: Well, i guess i think theres no error in my code, here it is #include... (by hotcoffee)

by soori

"cout<<" and operator overloading...

gud mor friends, Please help me understand the below concept:: i have this below fun for << operator overloadin: class Time { private: int m...

[2 replies] Last: Thanks zhuge knowing it ll ignore return value was a great relief...!!... (by soori)

by mahdisheida66

world map

My program reads GPS packets from the serial port. I want to be able to see the location in those sentences (some of which contain x,y coordinates) in a map. ...

[no replies]

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General C++ Programming - June 2013 (Page 18)