Beginners - C++ Forum - January 2011 (Page 2)

The C++ intro book I've been reading isn't very clear on exactly how private works, so I can see two possible interpretations. Either only an object can access ...

[2 replies] Last: As long as line 9 is buddy.bar2(); . (by moorecm)

by mgilchrist

functions interfering with program inputs

Can someone please tell me why this program is not working as it should and why it does not let me type in any inputs after service level. #include <iostream...

[3 replies] Last: Note that service_level is an int . How many chars are in the word... (by Moschops)

by stereoMatching

Is boost support Rvalue?

gcc 4.5 has std::move and the containers of the stl of gcc 4.5 have been added move assignment and move constructor My problem is, the compiler I am using d...

[6 replies] Last: The specification has to go a year without any major edits before it c... (by jsmith)

by xyz7000

getline reads one line too much

Hi, so I want to read a text file line by line, so that each row should be stored in a string. The text file looks like this: name1;phone_number1;address1 ...

[2 replies] Last: Wow that's worked! Thank you very much. (by xyz7000)

by firestat

Binary problem

Hello i am a new c++ user and i got a little problem using the binary write. I m trying to transform a string into a binary but first of all the string stay a ...

[8 replies] Last: Alright i had one compression system but wasnt able to use it. Thx fo... (by firestat)

by DigitalDragon

Polynomials, classes and member functions

Hello I'm currently in the process of implementing a Polynomial ADT - we have a class declaration file, and from that I need to perform an implementation tha...

[2 replies] Last: 2x^2+3b-1? Isn't that 'b' suppose to be a 'x'? If you only have to ... (by wolfgang)

by jaeya

Error while overloading operators

Hi, I'm programming a class for manipulating real matrices. I'm having some problems when doing a sentence like "c = a+b". The code is: class Matrix { publ...

[5 replies] Last: Found this web page helpful: http://www.cs.caltech.edu/courses/cs11... (by sadavied)

by Ender210

logic error i believe

My task is to write a simple program that takes in an unknown amount of numbers until the sentinel value is given then proceed to give out the average. The code...

[1 reply] : that's because it considers 9999 a valid number. if you'd only enter ... (by hamsterman)

by GulHK

malloc(): memory corruption error

Hi all Could anyone please tell me why do I get this error when I try to add another simple string type variable to the struct? *** glibc detected *** ./...

[4 replies] Last: Thank you once again Moschops :) (by GulHK)

by GulHK

finding 2 elements in one vector iteration

Hello All is there anyway I can find two elements in a vector in one iteration? e-g if(find(this) AND find(this)) { // then do this } Than...

[1 reply] : http://www.cplusplus.com/reference/algorithm/find/ substitude the alg... (by stereoMatching)

by jokerfwb

Recommend a good reference book.

Hi I'm pretty new to C++ and programming in general and i was wondering if anyone could recommend a good reference book for the language. Not a tutorial book i ...

[3 replies] Last: C++ In a Nutshell: A Desktop Quick Reference Ray Lischner http://w... (by closed account z05DSL3A)

by ivanlex

read message from a file

Hi,I'm new to c++ & programming here,I have some questions about reading file source code: #include <fstream> #include <iostream> #include <strin...

[5 replies] Last: while( infile.get(letter) ) std::cout << letter; It's prettier.... (by ne555)

by mszigeti

Other programming languages? (1,2)

Dear Guys, I'm thinking about to learn another programming language which will be useful (this is very important), not just to spend the time with somethin...

[23 replies] Last: Aww you think I had a future ! Thanks! *grin* Haha it looks promis... (by ultifinitus)

by lordsurya08

Arrays of classes issue

Here's the situation: I am creating a simple Civilization5 simulator (don't ask). I have a class called Tile which contains three ints food, hammer, and gold. T...

[2 replies] Last: The index of an array goes from 0 to n-1. (by ne555)

by Johnnyboy

concatenate numbers with multiple periods

I'm trying to generate a few random ip addresses to put into an array but I can't remember how to concatenate multiple numbers with multiple periods. eg: 1...

[19 replies] Last: Thanks (by Johnnyboy)

by rjd82AA

hour:min format

hey guys, im working with c++ primer 5th edition, and one of the exercises it gives is to write a program to take 2 inputs from the user(hours and minuets) and ...

[7 replies] Last: just realized how retarded i was, i was using hour and min as outputs,... (by rjd82AA)

by tehrealbinglebob

Doubles

Is there any way to prevent doubles from rounding? I'm preforming operations like multiplying and dividing but it rounds the double. Is there a way to prevent t...

[6 replies] Last: Alright thanks! (by tehrealbinglebob)

by closed account zb0S216C

Time And CPU

I read about the clock( ) function not long ago. I wrote the application out as in the example and it compiled with no errors or warnings. When it had compile...

[4 replies] Last: Thanks Albatross. (by closed account zb0S216C)

by billyb29

Constructor and Destructor

Hey guys can any one tell what's happening in this code : class student { public : int static s ; student( ){cout<<++s ;} ~student( ){cout<<--s ;} }; int...

[3 replies] Last: [quote=billy29]it's a default one built in Bingo. http://www.c... (by Moschops)

by danielwow

Conversion of units?

Hi everyone, we are supposed to be making a program on Metabolic Equivalents. where i input the activity, weight and pounds and the program outputs the calori...

[5 replies] Last: Your welcome for the help. You forgot to include the value of calori... (by closed account D80DSL3A)

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Beginners - January 2011 (Page 2)