Beginners - C++ Forum - March 2012 (Page 40)

hello! I tried to use sleep() but it says that it has not been declared. but i have put #include <time.h> in fact i have tried everything i found on google...

[5 replies] Last: :D You guys on here are a lot of help to the beginner like me haha (by Eath)

by liquidmonkey

vector.size() gives an error???

i have used .size() in the past and its worked just fine but here for some reason i'm getting an error. any ideas? float xPro = {0.0, 0.0, 0.0}; std::cou...

[6 replies] Last: size of an array sometimes cannot be known when creating an array, lik... (by chipp)

by skyline01

General Question About Class Access to Public and Private Variables

I have a general question about accessing public and private variables. Suppose I have a base class; call it Base. Suppose I have 2 child classes from Base...

[2 replies] Last: Thanks. I don't think making privateVariable Protected would do me mu... (by skyline01)

by michal mackanic

char pointer again

Hello everybody, I have a problem with the following function // get a column from a string for a given delimiter char * getColumn(char * inputStr, in...

[4 replies] Last: OK I see the point. Thanks a lot. Michal (by michal mackanic)

by ufs

Please Help! :)

First hello to everyone. I'm new to this forum and also to C++ programming language. I need help with a task that may look very easy to you, but I've just s...

[3 replies] Last: Creating the 5 students will be as simple as creating an array or vect... (by MrHutch)

by Lowest0ne

Class Constructor Help

Hi all. I've made 2 classes, one that opens an ifstream and reads data, and the other that opens an ofstream and writes data. The third class I am working on ...

[3 replies] Last: It's best to use initialization lists for a couple of reasons. One is... (by MrHutch)

by Diana Magers

Not the output desired

Ok when I compile this program it asks me for 'Gender' and if I put something other than 'F' or 'M' it should go straight to an 'Invalid Selection!' message tha...

[6 replies] Last: The if-clause is just checking something. If the gender is not 'M' it ... (by CosminNTG)

by pzling

pow() returns Infinity?

Hi I'm trying to evaluate 2^19937 with the pow function. In this case I'm using the following code: double b = 2; double n = 19937; double res = p...

[6 replies] Last: yea, adding another level of detail, this was all part of building a r... (by pzling)

by Lwen8888

Print a middle character of a string

I'm working a problem that returns a string containing the character in str if the length of str is odd, or the two middle char if the length is even. her...

[9 replies] Last: Thanks everyone for the help, i got it!! (by Lwen8888)

by Kseidel

array help

I was hoping someone could give me a hand with this. I am very much a beginner, and trying to learn this has been a challenge. I need to fix my last void functi...

[3 replies] Last: Believe it or not, that's because inValues is an undeclared identifier... (by cire)

by yhangel

functions in dynamic memory

can i direct dynamic memory to a function?? like: p =function1(); ??

[4 replies] Last: here is my code.. cout<<"\t\t\tEnter your choice: "; cin>... (by yhangel)

by dlusis

How to Wrtie this Function!

Help cant write this question out... Write a function which will have as input two double array arguments each pointing to, at most, 31 daily temperature r...

[1 reply] : Ok and have you even tried? Where are you having problems with? (by ResidentBiscuit)

by mohy93

c++ guessing #

i need help with this program, i need to give the user 20 chances to guess, and they should be asked if they want to playagain.(by playing again i mean generat...

[1 reply] : Ok and what is your problem? I for one didn't even really read your p... (by ResidentBiscuit)

by ui uiho

decoder

im working a decoder for my project and i need a function that includes white-space that i can originate the data(char array) into an array here is my code if a...

[1 reply] : Try using getline. http://www.cplusplus.com/reference/iostream/istrea... (by long double main)

by byronflds

need help with conditional statements

any idea why it wont compile in unix? //-| --------------------------------------------------------------- //-| Assignment ID: PROG6a //-| File name: ...

[3 replies] Last: thanks to you both i got it done. nd i would include my errors but uni... (by byronflds)

by lakshmikant

Plotting Realtime Graph in visual studio c++

Hi everyone, I am a new to windows programming.I am developing a application to process the measurement data from a laser sensor. I have got the data from th...

[no replies]

by ResidentBiscuit

SFML - Issues right off the bat!

Ok so I keep hearing all this hoopla about SFML, so I decided to download it and give it a go. First of all, I had some file linkage errors. Got those resolved,...

[6 replies] Last: I did alittle playing with code::blocks and SFML in a winXP VM. The si... (by naraku9333)

by JetX9

Am I allocating this right, and what is my instructor talking about?

Okay. Working on assignments here, trying to get them done...and I dunno if I am allocating this memory correctly. Note I am in a C++ class, so the programs we ...

[2 replies] Last: Yes it does. Thank you very much. Now I can finish this exercise. (by JetX9)

by mikeCC

Dynamic Memory

Hello, I had an assignment for school that asked me to write the implementation file for a dynamic sequence class. The assignment came with a test file that le...

[6 replies] Last: I understand what you mean now. Thanks for the help. (by mikeCC)

by chameleon

harmful things

struct Platform { cl_platform_id operator*() { return platform; } // no virtuals, no other data protected: cl_platform_id platform; }; std::vector<...

[1 reply] : Why don't you use resize instead of reserve? (by Peter87)

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Beginners - March 2012 (Page 40)