Beginners - C++ Forum - November 2014 (Page 9)

Hi, i have 2 strings: string a="100.10" string b="200.10" how to convert to float so to be summed: 100.10+200.10=300.20 ???? i tried: float aNumer...

[2 replies] Last: Solved: string a="100.10" string b="200.10" aNumero=strtof((a).c_str... (by il dottore)

by lordzedd

class

OK...I made a thread the other day about the array but what I need is a private class then in main do the code or something like that. Here's the instructions: ...

[13 replies] Last: So why would anyone write all this code to code something that can be... (by AbstractionAnon)

by Dexterr

Manipulating with Files

Hello, recently, i've done a quizz for my class, where i read the questions and answers from a specific file, i tried to read over the internet to learn how to ...

[3 replies] Last: http://www.mochima.com/tutorials/fileIO.html https://stdcxx.apache.org... (by JLBorges)

by nichan79

Building Lot Are with functions (1,2)

I was wondering if this looks about right? I'm starting to get the hang of C++ but I need someone to double check my code. Specifications of the program: • ...

[25 replies] Last: Can you show the full completed code please? (by mockman23)

by DiiNoSuR

Pointers and Arrays Question

I dont know why the average is not popping up it says 0.00 i still can't find a mistake or what i did wrong. Can i get help? // Chapter 9, Programming C...

[1 reply] : Line 42, 44 : Use count as index instead of numTestScores .... (by tcs)

by megatron 0

My code works as is, but how do I use the constructor?

Here is my code so far: megatron.h - In namespace megatron::utility template <class T> class megaptr { private: T* object; public: megaptr() ...

[11 replies] Last: > My next thought would be including a static vector to the megaptr cl... (by JLBorges)

by Vandalism

Search name(String Manipulation)

Desired Output: Enter n: 2 Please input 2 names: Ana Ina Ana Ina Enter name to search: Ana Ana is located at position 1 My output: Enter n: 2 Pleas...

[16 replies] Last: I'm a total newbie so thank you for helping me ^^ (by Vandalism)

by msrt92

Stack in array

i want to create s.top public variable .. #include<iostream.h> //#define maxSize 5; struct stack { int stk ; int top; }; stack s; s.t...

[2 replies] Last: sorry I'm not creating function for top... I m creating global variab... (by msrt92)

by EvE12

Back to diamond problem

I want to keep the outside stars only and remove the inside diamond shape to be like * * * * * * * * ...

[7 replies] Last: Thank you, Sir. (by EvE12)

by motherfunk99

Using ofstream with structs

Hello all, thank you for taking your time to view this issue. I am currently reading in a .csv file with stats from 2013 and another 2014 stat file. I am attemp...

[no replies]

by zboliek

i have no clue what to do here. please help.

Create a CharConverter class that performs various operations on strings. It should have the following two public member functions to start with. The uppe...

[no replies]

by idknuttin

can someone explain why (char - 'A' + key) % 26 + 'A' works for the caesar cipher?

i had to make a program using a caesar cipher and i did that but the only thing i had to google cause i couldnt figure it out was the formula for shifting the c...

[2 replies] Last: thank you, i understand what the formula does now (by idknuttin)

by mishappp

Having trouble outputting correctly.

I have to write a program that takes an input file formatted like this. FR3D,jones,123456-7891,12-123456B joe,jones,1234a6-7891,12-123456B The program ...

[2 replies] Last: As for outputting it to a file, I would suggest creating a string vect... (by closed account 3R5fjE8b)

by kmosupukwa

Help required

I keep getting errors while trying to write this program, the code is below. Help on what I am doing wrong would greatly be appreciated. #include <iostream> ...

[4 replies] Last: #include <iostream> using namespace std; int food() {double meat, fru... (by jasonwynn10)

by myName

Get ip and Check in the database (MySQL)

Hello everybody, I'm trying to make a system to check that the user ip exists in the database, but is not working #include <windows.h> #include <wininet....

[5 replies] Last: That particular error comes from trying to use + to concatenate to C-s... (by Zhuge)

by clodi

random_shuffle not working?

This line of code is giving problems.. random_shuffle( buffer[ 0 ],buffer[ NSITES - 1 ] ); in the function.. void Lattice::initialiseSitesAtomID() { ...

[2 replies] Last: thanks a lot!! it worked! (by clodi)

by njas1

Need Help

...

[2 replies] Last: ok here it is i have tried... i dont know what to do next // main.c... (by njas1)

by mishappp

Splitting a character array into strings to a certain character.

Is there a way to split a character array filled like this. Hello,how,are,you and split it into strings up to the ,? so you get x = "hello", y = "how"...

[1 reply] : http://stackoverflow.com/a/236803/1959975 (by LB)

by student89

fstream / ios::binary mode questions

I am unsure about what the purpose of ios::binary is. Can someone please explain this to me. I ask because I need to write a program that keeps students' attend...

[4 replies] Last: All files are 'binary files'. There's nothing different from one file ... (by LB)

by r0bot

very basic: scanf()

Dear Forum, it is very basic calculation of adding two numbers. when I enter 1 2 I get the result Numbers you entered is 1, 2, 78 I have no idea where ...

[4 replies] Last: Hi, Also, one should make use of the return value from scanf so one... (by TheIdeasMan)

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Beginners - November 2014 (Page 9)