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Beginners - February 2013 (Page 51)

Classes and passing values into them

Hi I'm trying to practice making a class in separate files. Eg. main(), Temperature.h, Temperature.cpp I'm trying to pass a user input value say 10 degrees ...

[1 reply] : Just proceed as if you defined the class inside this file. (by maeriden)

by Z feng

error C2143: syntax error : missing ';' before '->'

code deleted

[14 replies] Last: WOOOOOO, Great! It's working!! Ya, You create an uninitialized point... (by Z feng)

by rcast

Problem with class...

I'm trying to create my first class but I keep getting an error at compile for each of the 4 shapes in the class member, shape. Error documents\visual s...

[2 replies] Last: Bollocks! ok, Thanks! (by rcast)

by pdaniels0013

I need some help with uninitialized local variables

I'm working on a homework assignment for my college c++ class. I'm new to c++ and have only been programming in java in my first semester of college with no pri...

[2 replies] Last: That fixed it. Thanks a lot! (by pdaniels0013)

by northmoose

Using assert after allocating dynamic memory

When allocating dynamic memory I have learned that it is important to delete the memory allocation before the program ends. What happens to dynamic allocated me...

[4 replies] Last: Thanks! (by northmoose)

by theCoach

If/Else loop input validation

Hello all: I'm trying to figure out input validation. The users options are either A,C,He,or H. If they cin a valid input, then I proceed with the switch tha...

[4 replies] Last: this is incredibly helpful thank you kindly (by theCoach)

by audstep

Help with if/else homework

The problem is: The state government has decided to give a 4% raise and $500 one-time bonus to non-teacher state employees. Teachers will get a 7% raise and $...

[2 replies] Last: Thanks. (by audstep)

by souper

Help with fork command

Hey all, Having trouble compiling c++ written code due to a fork() command issue. I am working in Code::Blocks with the GNU GCC Compiler. Here is my code:...

[1 reply] : That error is not a compile time error, but rather a linker error. Th... (by AbstractionAnon)

by Devon Naccarato

BMI Calculator Project (weight formulas)

Wasnt sure if this should go in the beginners section or not, but here is my issue. I have to program a BMI calculator that calculates the users BMI and tells ...

[3 replies] Last: No problem. It looked like the equations were functioning properly fr... (by aperio)

by s1l3nt

Creating a file from console

So, I have question. I already know how to open a txt file so you can write data to it and close it but lets say I wanted to have a console application that pro...

[3 replies] Last: To create the file: http://www.cplusplus.com/reference/fstream/ofstrea... (by MrHutch)

by stc5097

Need help with code

Hello i am trying to write a programm for my college c++ class. This class is the second level and i took the first level two years ago due to just transferrin...

[6 replies] Last: it worked lol. i realize now why it wouldn;t work with have the endl ... (by stc5097)

by bruntmjust

Trying to get the correct output!!!!

#include <iostream> #include <cmath> using std::cin; using std::cout; using std::endl; double func_1(double); double func_2(double); double func_3(d...

[1 reply] : And here is some more information: n = number of rectangles and/or tr... (by bruntmjust)

by napharian

Repeating character in c++?

I'm writing a code which tells the user how many times a word they input can be written as. I know that the general "equation" one could call it is: Let's say ...

[1 reply] : #include <iostream> #include <cstring> #include <string> unsigned re... (by cire)

by odai

what is the wrong in this code !

the compiler does not enter into inter for !! who can tell me why ? #include<iostream> #include<cstdlib> #include<ctime> using namespace...

[13 replies] Last: #include<iostream> #include<cstdlib> #include<ctime> using namespace... (by eraggo)

by sirjames2004

Issues with Input Validation

Hey guys. I'm having some trouble with input validation for one of my assignments in my Advanced C++ class. I'm using g++ on my linux box. Weird thing is, when ...

[5 replies] Last: Fixed it. My cin,ignore statement for both snippets is now as follows:... (by sirjames2004)

by krutuk

Please, help me with this mistake. I'm totaly confused

Program is compiling well. But after execution the result is: Average math: 3.67 Average phis: 4.33 Average inf: 4.33 Result: 4.67 Segmentation fault The result...

[4 replies] Last: As I understood you, this program is bad at it purpose. Thanks, I will... (by krutuk)

by vrakas

Comparison of double,long double and floats

hello. i want to compare the equallity of two doubles a nd b. A friend told me i should not test if(a==b) but if(a-b<1e-9) i.e. a-b<10^-9 Is this the...

[3 replies] Last: @JLBorges Thanks a lot! I needed to read an article! @MiiNiPaa i dont... (by vrakas)

by kwnan

read and write to a file

I would like to wrte a content of two varible to a file to be read in void handleRequest(char *request, int request_len) { Writ_to_file(request, req...

[3 replies] Last: That is unfortunate, indeed. Why don't you give it another go and come... (by MrHutch)

by Jesper Hybel

Problem making simple loop

Hello I'm completely new to C++ and only use it through R. Anyway I'm trying to make a loop - since looping in R is rather inefficient: cppFunction(' Nu...

[no replies]

by tamimaddari

invalid-iterator-argument.

Hi, I am trying to create a program that will take 10 numbers and then print the sum of the all two adjacent numbers and then sum of 1st and last,2nd and 2nd la...

[2 replies] Last: Thanks, now I have re wriitten the code and it works fine. its a bit l... (by tamimaddari)

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