General C++ Programming - C++ Forum

I did in the past some basic C/C++ programming on my own and hoped to combine my effort with some others. So ... 1) Who has an overview of currently interest...

[1 reply] : One of the biggest, if not the biggest open source repository is the s... (by bnbertha)

by mjwhite1

16-bit and 32-bit programs

I wrote a simple C++ program that asks for a filename, opens that file and prints its contents to the screen. Finally, it closes the file. I wrote the pro...

[6 replies] Last: Toshiro: I am using OS X 10.4.11 with a 1.42CHz PowerPC G4. I am... (by mjwhite1)

by stewball

Can't access map within const structure

I am passing a structure into a subroutine as a const reference. One of the elements of the structure is a map. I am trying to access the map with the .find()...

[5 replies] Last: Thanks to anyone who was investigating my problem. The answer has bee... (by stewball)

by J Duck01

Module working incorrectly

Hi all, I cannot figure out why the module ApplyTax is not calculating the tax to dNewCost and assigning the variable dSalesTax this value. Instead of doing th...

[3 replies] Last: Try making state a string rather than a char, (ditto for CustFirstn... (by Faldrax)

by drink79s

Screen splitting

I am currently attempting to complete a fairly basic C++ program for a win32app. My problem isn't the actual program, but adding a moving graphic to the program...

[no replies]

by Alck

object orientated programming

hi, can someone kindly assist on my code? A mini-mart has just installed a bar code reader to improve efficiency at their checkouts. Assume that the bar cod...

[12 replies] Last: skylinehack@hotmail.com (by Terry)

by miro

Pointer "this" in class templates

Hello, I am trying to create template of something like list element. I wanted to overload operator + so it returns pointer to element this + n position "forwar...

[3 replies] Last: What? No! Change the type of 'result' to 'LE<int> *'. Don't use casti... (by helios)

by shaleen mishra

Virtual function

Can someone explain what virtual function does..i see a class where in the header file...it is decleared like: virtual bool Read(); how is it different ...

[1 reply] : virtual is used with methods of classes, not functions. Ot os part ... (by Faldrax)

by jodeen20

[STL] Adding structs as nodes

Hi m new to stl I have this structure declared struct myStruct { char firstname ; char lastname ; int grade; }; list<myStruct> nam...

[1 reply] : See replies on your duplicate post : http://www.cplusplus.com/forum/be... (by Faldrax)

by kk84

how to read file using pointer

Hi all I have been trying to display a txt file using pointer. heres the code, however Im only able to read first 20 character even though I set a while loop. ...

[3 replies] Last: ok Thanks. Guess i knw whr im heading to. thanks guys (by kk84)

by hlakna

About graphical user interfaces in c++

Hello! I need to know ,that how to create a graphical user interface in c++. can somebody please tell me the way to do it, or if you have a code can ...

[15 replies] Last: Wow. Nice! By all means then, use Qt. It is one of the nicest systems ... (by Duthomhas)

by Nate879

How is malloc() implemented?

How is malloc() implemented? I want to create my own version of it, but that would be much easier if I had its source code. I am using MinGW.

[4 replies] Last: Have a look at section 8.7 Example - A Storage Allocator (p.149) in ... (by closed account z05DSL3A)

by akmal4ik

Have problem with BINARY TREE

Hi! Please help me with my problem. My problem: I must create class named Map. class Map{ public: //constructors and methods private //here i must use...

[1 reply] : You indeed do not only need a binary tree, you need a balanced binary ... (by exception)

by DiptenduDas

Return value of atof is creating confusion.

Hi, When I am using atof method the return value gets manipulated. I am not able to find out the reason, why this is happening and how to resolve it. B...

[1 reply] : This happens because the number of significant (decimal) digits in IEE... (by exception)

by g0dwyn

peculiarities with char[] (what else is new?)

I feel like I'm spending a lot of time on here recently... Anyway, I'm using a library that uses C strings, and only C strings. It's OMG SO kind of annoyi...

[2 replies] Last: This happens with all variables if you do not initialize them with som... (by firedraco)

by saqureshi

IP Sockets Project for University

Hi There all I am developing an IP sockets program for my final year Bsc (Hons) in Computing & Networks which is going to be used for the university robot p...

[4 replies] Last: long long int can be unsigned . Though like you said, the likelihoo... (by Zhuge)

by katz

Turning On a Pin on a Microcontroller and creating CLASS FUNCTIONS

Hi, I am wondering if anyone could give me a hint on how to TURN ON at last a pin on a 8-bit Motorola Micro Controller. I am currently using C programming la...

[9 replies] Last: These are just examples. You should have documentation (or go and dow... (by bnbertha)

by maxwell731

fstream

I need to do a system to proceed a booking of two badminton courts. Basically, i need to create a program that input data and read it out. I have just learn C++...

[2 replies] Last: maxwell have u successfully written the code? (by Alck)

by toshiro

Data analysis/visualisation: good practice?

As an intern, I am writing a tool that reads data from a log file, evaluates the data and uses an existing GUI toolset to visualise that data. Essentially, meth...

[2 replies] Last: Thanks, that helps a lot :) (by toshiro)

by kanesoban

programming exercises & being a trainee

Hello, i have two questions. First, you know any websites with C++ exercises for intermediate (or at least C++ programmers? Or maybe just individual exerc...

[3 replies] Last: http://www.cplusplus.com/forum/jobs/2447/ (by Zaita)

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General C++ Programming - August 2008 (Page 7)