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Beginners - July 2010 (Page 12)

problem iterating and extcracting instance from a vector

I have just been learning about vector following prior advice on this forum in regards to this code. In essence, I am confused as to how to extract the inputt...

[2 replies] Last: people is the vector of *People. Waht you expect "find" to return wh... (by kraj)

by pabloist

typecasting from a base to a derived class

I'm a little confused with type casting. If I do something like class beginner { // constructor, member functions, etc }; class thief : public ...

[6 replies] Last: Okay, thank you for the more indepth explanation :) I'm only writing t... (by pabloist)

by Wander

getline() problem

Okay so, in a program that I was working on, i use the getline(cin,message) function and it completely skips over my getline statement. Please help me to unders...

[6 replies] Last: Okay thanks a lot!! :) (by Wander)

by Wander

Multi-Dimensional Vectors (1,2,3,4)

Hey. I am trying to create a program that holds coordinates for a map. I've tried multi-dimensional arrays, but there are too many coordinates for the array to ...

[62 replies] Last: Thanks :) (by Wander)

by Wander

system("cls")

I've been told by a countless amount of people not to use system() functions. Well, one of my most used functions is system("cls"). How would I replace this?

[2 replies] Last: Thank you. (by Wander)

by Chemical Engineer

How does one draw forms pixel by pixel?

Hello, I'm trying to figure out how to draw an image to the screen one pixel at a time. I'd like to be able to use code like: const int width = 10, height ...

[4 replies] Last: The CreateDIBSection documentation isn't entirely clear, but basically... (by Disch)

by aranjan

Doubly Linked Lists and Library Routine Problem

Okay so this is part of an assignment I have to do, but I am confused regarding the library routine as my professor has not covered it well. So my thing is wha...

[1 reply] : Yeah I saw my professor and each time he confuses me more... He actua... (by aranjan)

by Bertie

Confused about binary file read/write and arrays.

Hello, I need to save an array of data to a binary file. Something along the lines of this. struct myDataArray { float* myFloatArray; int iNumO...

[3 replies] Last: Nevermind, I was forgetting to address &. Thank you moooce. :D (by Bertie)

by xcrossmyheartx

Wierd Square Root

Hey guys. I'm currently working on a project that will ask for a number, and by using a function, will output the square root of the number. The catch is that: ...

[6 replies] Last: Woo, that makes sense. I have it now! Thanks for all of your help :) (by xcrossmyheartx)

by Yoshima

Trouble with accessing friend

Hello, I'm trying to make a simple tic-tac-toe game and am having trouble with using 'friend'. During the computer's move I want the computer's class to access...

[4 replies] Last: Cool... that works... Thanks a lot hamsterman... (by Yoshima)

by fds

Array of char pointers

Hi there, I've just started to pick up C++. I've been trying to figure out what's wrong with the following code for a few hours. It probably is a simple and tr...

[6 replies] Last: Don't do it like this -> char *array ; Do it like this -> char *... (by m4ster r0shi)

by fotographii

Randomization / Random Generator

Heya!! I am really new here, and thus it's my first post. Let me know if there's any problem regarding this post, and I'll either delete it, move it or edit ...

[3 replies] Last: What binarybob said still applies. If you run the program twice, 16 d... (by Athar)

by TreyBrehm

pointers...trouble :(

ok...i am having serveer (<--forgive me for mispelling) difficulty in understanding pointers in the case that its been described...the "&" and the "*" confuse m...

[10 replies] Last: PERFECT! :D ty (by TreyBrehm)

by xanimeangiex

BlackGame Problem!

if(bet >= 1) { cout << "Let's Play!" << endl; do{ cout << "Hit[" << hit << "]" << "Stand[" << stand << "]" << endl; cout << "Cards: " << resu...

[2 replies] Last: thanks for explaining it, the error makes sense now. I fixed it ^^ ... (by xanimeangiex)

by guru189

Payroll Program with Class

Any help with this program would be greatly appreciated. I'm trying to create an employee class for this payroll program to compute the net pay salary for hourl...

[6 replies] Last: Awesome...thanks so much! So my errors are resolved but now I'm not ge... (by guru189)

by JustAWalrus

A Few Questions

I am currently making an address book on C++ and I have a few questions. Firstly, how can I use memory so that previously enter contacts are still in the addres...

[2 replies] Last: Use a vector rather than an array. That way you can easily increase th... (by spaggy)

by Gladdok

Avoiding predeclaration with codependent headers

Is there a good/proper way to get around this? It seems like I'm doing something wrong. first.h #ifndef FIRST_H #define FIRST_H #include "second.h" cla...

[5 replies] Last: Obligatory link: http://cplusplus.com/forum/articles/10627/#msg4967... (by Disch)

by Kat B

OutputStreams and buffering

I'd like some information, stored in a buffer, to be written to the file, when I call close() on the file. I have looked at FileBuf and pubsetbuf, among othe...

[4 replies] Last: Use a stringstream for buffering: http://www.cplusplus.com/reference/... (by moorecm)

by atse013

can a character be converted in an integer inside the main function? how?

i need some help.

[5 replies] Last: [quote=Bazzy]first: the switch is not a function ... It is a Control... (by mcleano)

by gers1978

Have a look at my code please

Hi, I posted here with my last programming project and got some good feedback, so I'd like the same again thanks! The task is from the Programming Projects in W...

[7 replies] Last: [quote=gers1978]Thanks. I must be learning something if that was the o... (by Galik)

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