Beginners - C++ Forum - April 2012 (Page 2)

Understanding pointer casting with const

I am a newbie programming in MSVS2008. I am struggling to understand this casting which is correctly working code: int compareQuantityAsc(const void *a, con...

[1 reply] : For the code to be const-correct, you should not be casting away the c... (by JLBorges)

by Calcushtag

#ifdefine question

When I coding my program in separate files, I use definition macro for file test.h like this: //------------ #ifndef TEST_H #define TEST_H ..... ..... #...

[4 replies] Last: > The only thing that you want to consider is making sure its unique. ... (by JLBorges)

by nadir CoCo

Pointers or arrays ?

Hi, I'm about to start a new project about processing data stored in text file (all data are of type double ) and I'm wondering which appraoch is the best (in...

[9 replies] Last: Thank you (by nadir CoCo)

by sanalbarq

PLZ Help me .. in Arrays .

In network simulation, node placement is one way to create and describe a simulated network. Write a C++ program to create a node placement file named “Nodes_...

[no replies]

by bob the giraff

can someone help with this tic-tac-toe project?

i have been c++ programming for a couple of months, using Microsoft visual c++ 2008, and i am trying to do a program that lets you play tic, tac, toe. i have th...

[5 replies] Last: @newbieg - I would refrain from posting full solutions on here as far ... (by MrHutch)

by newbieg

Convert string number to Int

I know this is a very newb question to ask and all, but is it possible to convert a number in a char or string variable into an int variable? in effect I wan...

[5 replies] Last: http://www.cplusplus.com/doc/ascii/ this gives the entire table, but ... (by Danishx83)

by waqqassheikh

"error: cannot convert ‘Funct’ to ‘int’ in initialization" when trying to use functors.

I'm trying to get the hang of functors but I get this error on line 18. I'd really appreciate it if someone could tell me where I've gone wrong. #includ...

[10 replies] Last: @vlad from moscow. That's brilliant. Thansk a lot for your help :-) (by waqqassheikh)

by onitrof

Getting ofstream junk

I am new to programming and I am trying my best, however I am having trouble with my output. I keep getting junk in my output files. The idea was to create a m...

[1 reply] : You are calling your functions incorrectly in main. Wrong. void Rese... (by vin)

by Fewmets

srand initialization

My main question is at the very bottom. The information here is supporting info. I am a fairly experienced programmer and have fairly good understanding of goo...

[4 replies] Last: My actual question however remains unanswered. Why is it bad to initi... (by codekiddy)

by needhelp2345

Arrays

Short code that i am trying to write. Does a couple things. Makes a 4 by 4 array with the numbers 10, 11, 12, 13. I am supposed to have a function that tells me...

[6 replies] Last: Perfect. You have once again managed to impress me. Thank you very, ve... (by needhelp2345)

by capitolstorm

Calling a private class help?

#include <iostream> #include <windows.h> #include <string> using namespace std; class addClass{ public: void setInt (int x) { add2 ...

[3 replies] Last: setInt takes one argument so passing two arguments as you do on line 3... (by Peter87)

by fossil554

Math Solver

I am currently in school obtaining my bs in computer science and hate math and since i dont use it I had an idea. Is there a way to make a algebra math solve...

[7 replies] Last: hehehehe... you can't be more wrong my friend, programming depends dee... (by TheDestroyer)

by capitolstorm

cant get the correct return value for calc

#include <iostream> #include <windows.h> using namespace std; class addClass{ public: int add2 (int x,int z) { int ans = x+z; cin >> x; ...

[3 replies] Last: thanks JL, it worked. (by capitolstorm)

by NatProg

Binary File Error

The code compiles but does not record (or) show the data properly. It only displays the last entered data. I couldn't figure out what exactly is wrong. I woul...

[no replies]

by en liten kille

push_back(class)

I've got a class containing 3 floats. class a{ float x,y,z; }; And I created a vector with that type. vector<a> b; How do I use the push_back ...

[11 replies] Last: yes (by en liten kille)

by DrewMzn

I need a lot of help

I'm having a lot of trouble writing this program. It's supposed to take student grades from an input file and display them next to the students name. and then d...

[no replies]

by drhingle

getline function skipping function

Is the getline function supposed to stop and allow the user to enter info? How can I get it to do this? The display shows: Enter name. Enter number. Then it ...

[1 reply] : Are you using the extraction operator on cin e.g cin >> somewhere in... (by vin)

by amkmt

error C2228: left of '.printPatientDemographicInformation' must have class/struct/union type

I am new to C++ programming. Can anyone help and let me know what I did wrong here? I tried to create three objects by calling the constructor from the header f...

[1 reply] : The part where you declare your objects is incorrect. It looks like yo... (by Zhuge)

by Andrew2172

NEED HELP ASAP

Ok so there is this project I have to do for my programming class. It opens a file and then computes volumes with a link list. It will then sort the volumes and...

[2 replies] Last: Actually I figured it out! It was something silly. I didn't put my fun... (by Andrew2172)

by JohnG

how

;fs

[1 reply] : http://www.cplusplus.com/forum/beginner/69677/ (by cire)

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Beginners - April 2012 (Page 2)