General C++ Programming - January 2013 (Page 6)

Question about pure virtual functions (abstract classes)
 
Hey, Im still trying to figure out when I should use pure virtual functions. On the one hand, "TOY" for example should be an abstract class since theres no su...
Jan 28, 2013 at 2:41am
[4 replies] Last: Yes, and this is the start of your interface to your Toy classes. As I... (by TheIdeasMan)
String issues
 
Ok, I'm having a few problems with strings, mostly string functions saying they're not able to compare a string with a char pointer. int main() { int counter...
Jan 28, 2013 at 1:48am
[2 replies] Last: new flight <flightnumber> <seats available> example new flight 207 64 ... (by joneele)
12 month interest summary
 
I am trying to print out a report for a 12 month interest summary. So far, I cannot seem to get the ending balance for the previous month to be the starting bal...
Jan 28, 2013 at 1:21am
[no replies]
by gtm
game design, framerate architecture.. (1,2)
 
So I've been mulling this around my head lately and a post earlier got me thinking further. I had planned to have an infinite loop in main() which contains a...
Jan 28, 2013 at 12:44am
[34 replies] Last: I think you are confusing the concept of a header file's "include guar... (by Ogoyant)
by ngrv
Friend class usage
 
Hey Guys, Can you please tell me how common is the usage of friend class in C++, particularly in finance industry? I am learning C++ and want to avoid on ...
Jan 27, 2013 at 7:58pm
[3 replies] Last: Finance is large. The people who program order management systems, gua... (by Cubbi)
by ajh32
Re: please I need help with...
 
Why is it that we get so many people on here with pleas for help with their homework assignments? When I used to get homework/assignments, it was always based ...
Jan 27, 2013 at 7:42pm
[2 replies] Last: I am with ajh32, you learn much more from trial and error that by some... (by Script Coder)
by ngrv
Design Patterns
 
Hey Guys, I have learnt C++ and understand what design pattern means. Basically they are nothing but just tricks to solve a known problem. I now want to f...
Jan 27, 2013 at 7:39pm
[1 reply] : Forget the patterns, just do it; and improve your design on each itera... (by kbw)
Help with time function in c++!!!!!!!!
 
#include<iostream.h> #include<conio.h> #include<stdio.h> #include<windows.h> #include<stdlib.h> #define SIZE 100 /*int compare (const void *elem1, cons...
Jan 27, 2013 at 7:13pm
[1 reply] : This code : n1=rand()%111; //generate numbers between 0 and 50 gener... (by Smac89)
by arms4
fix my array error!!
 
instead of showing the array number designated my output all became N=0 and i declared N=0 because would get the error'without initialization' if didn't do so. ...
Jan 27, 2013 at 6:33pm
[5 replies] Last: nvm..... i realize my own mistake..... my mindset thought programming ... (by arms4)
by Skynet
Stuck in an infinite loop
 
I have a new problem. For some reason, my code gets stuck in an infinite loop here on pop which I temp made as a transverse function to ensure my stack is worki...
Jan 27, 2013 at 6:22pm
[5 replies] Last: Now I see how you did it and I see why it happened the way it happened... (by Skynet)
Need code, will pay $ !
 
Hello, I need two codes which would work on XP/Vista/7 1. code runs http://example.com 2. code pushes ctrl+alt+z combination I need them asap, can pay...
Jan 27, 2013 at 6:22pm
[no replies]
by RichMo
GDI+ Rotate rectangle about its center
 
Hi, I'm trying to simply rotate a shape about its centre or a specific point but I can not seem to get the right result. My code is below... Graphics g(...
Jan 27, 2013 at 5:52pm
[2 replies] Last: Yes, sorry, typo. I think I sorted it now. SolidBrush brush(Color(200... (by RichMo)
Problem with strcmp
 
Hey, i have a little problem .. when the input == nop is comes a error on my screen and it returns with Process exited with return value 3221225477 can a...
Jan 27, 2013 at 4:48pm
[2 replies] Last: thx (by iandroid)
find the prime numbers between two values
 
i did a code that determine if the number is prime or not, and i have to do a one that finding the prime numbers between two variables . the first code: #...
Jan 27, 2013 at 2:33pm
[4 replies] Last: #include<iostream> int main() { using namespace std ; int m... (by JLBorges)
Variable being used without being initialized
 
#include<iostream> #include<iomanip> #include<fstream> #include<string> #include<cmath> using namespace std; int studentdetails_mean(); double standar...
Jan 27, 2013 at 11:52am
[11 replies] Last: tq very much for the help... now my standard deviation code is not w... (by ajh32)
Simple program
 
Hey guys, I am very new at c++ programing and I need a simple program, maybe you have the code I need: "My.exe" program opens C:\iexplore.exe every 3 minu...
Jan 27, 2013 at 10:49am
[3 replies] Last: Give up kid (by gtm)
by xzbit
mix c++ and assembly
 
in masm i can do this push 0 push offset title push offset msg push 0 call MessageBoxA in mixing c++ and assembly i cant char msg = "Hello Worl...
Jan 27, 2013 at 10:13am
[5 replies] Last: Read about which assembly dialect does your compiler support. (by MiiNiPaa)
by Skynet
Having trouble with linked lists
 
Hi, I'm fairly new to C++ and wanted to know if you all could help me with something here. I have this bit of code that I'm certain works but there is a problem...
Jan 27, 2013 at 10:08am
[17 replies] Last: Cool, I have actually made progress since then but now I have a new pr... (by Skynet)
Simple buoyancy program (errors?)
 
There are errors on lines 25,26, and 39. Could someone please help? Thanks! :) btw, this is not the formatting I have (i.e. it's not all aligned on the left)....
Jan 27, 2013 at 9:56am
[4 replies] Last: Try } while ((strcmp("y",answer.c_str())==0) || (strcmp("Y",answer.c_s... (by gamemanj)
Pausing the loop till keypress
 
Are there anyways to pause the loop until either LCONTROL or RCONTROL is pressed? Are there alternatives to stopping LCONTROL and RCONTROL increasing or decr...
Jan 27, 2013 at 8:17am
[6 replies] Last: Thanks. Will give it a try to understand, thanks for the help! (by MewEight)
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