C++

Forum

Beginners - March 2018 (Page 15)

what does the "void" mean here in a for-statement?

Hi, I get confused when I read the code from this page: http://en.cppreference.com/w/cpp/algorithm/lexicographical_compare template<class InputIt1, clas...

[3 replies] Last: > Is that a special syntax, or is it just the result of ++first2 being... (by JLBorges)

by IanSkelskey

PACS (Reading/Writing Files)

Hey Guys, My name is Ian. I'm looking for some help on an assignment for my C++ class at a community college. We are asked to create a mock PACS interface. The ...

[3 replies] Last: In option one, any user input with a space breaks the program. cin... (by Ganado)

by column

Build 32bit project on 64bit Linux system

I need to compile my C++ project that is developed on 64 bit Ubuntu Eclipse to 32bit one. I know that I must set -m32 switch for compiler. I know that I sho...

[5 replies] Last: Indeed. It should be possible with Ubuntu package managing tools to s... (by keskiverto)

by jjhennessy

Cannot convert float to float error

My program is giving me this error; line 76 41 cannot convert 'float (*)(float, int)' to 'float' for argument '2' to 'float compound2y(int, float, double, ...

[2 replies] Last: That worked, i used calc(r,n), thank you!! (by jjhennessy)

by Newbieess

Pleaseee help,Problems with formatting

i was writing a prefect number programme, #include <iostream> using namespace std; int N1, N2, sum=0; cin >> N1 >> N2; for (; N1< N2; N1++){ for (...

[2 replies] Last: Because it goes on for ever. for (int i=N1; N1< N2; i++){ should b... (by lastchance)

by joemcmahon

Replace numbers in a string

Hello, I am attempting a program that gathers a password from the user, and then creates and displays a new password, given the following rules: All vowels in ...

[3 replies] Last: Your vowel list also needs the upper-case equivalents. (by lastchance)

by jjhennessy

Compound interest program

I need to write a program that takes in two values entered by the user, compares them with 50 and 5000, chooses the max and min of these values and takes them a...

[1 reply] : You logic is flawed. In this expression: if (ans == 'N' && ans == 'n... (by coder777)

by TBone1011

Reading/ Writing Files

I have written the following code and want to pull data from a simple txt document into the program and write to a new text document, but whenever I run the pro...

[1 reply] : When you open a file without an absolute path it depends on the enviro... (by coder777)

by zapshe

Code Allows Something Strange

Hi. I've coded a calculator that I continuously add onto as I learn new things. However, I recently noticed (After trying to see how the calculator would handle...

[2 replies] Last: There are two different kinds of input operations: formatted input a... (by JLBorges)

by neha candy

Reading from left to right or right to left?

I've been doing questions that require us to give the output and up until now I thought my concepts were clear until I came to these specific questions. I have ...

[3 replies] Last: Assuming that m and i are scalars (like int), This is undefined b... (by JLBorges)

by Kingokafor96

payroll array help

I'm having a problem getting the ss, tax, medicare, and subtotal its giving me the wrong number is there anyway anyone can help me with this I also have to get ...

[2 replies] Last: so like this string nameofemployee; double numberofhoursworked; do... (by Kingokafor96)

by igorland

Boost asio TCP server splits incoming message into two parts

Hi. I have written a plugin using boost::asio that acts as a server. It receives messages from the client that are sent every 5 seconds, which look like this: ...

[5 replies] Last: Need more testing but looks like replacing boost::asio::async_read... (by igorland)

by bulletbutter

What does this code do? String questions

A little bit of a backstory....I am making a program in Visual Basic. The program basically opens up a compressed archive, finds a file inside it and then I THI...

[1 reply] : ill preface this with bytes is bytes :) you can jack 4 ascii letters... (by jonnin)

by samtheman

Curley braces

Hello: Would you please give me your best examples of what the {Curley braces} are use for? and when to use them and not to use them. I am trying to get ...

[2 replies] Last: Curly braces have to be used with class, enum, and function definiti... (by Ganado)

by gainzbro

Classes & Vectors

Working on a project on a class named "budget". We were instructed to pretty much stuff everything into a .h file and not worry about .cpp files in the meantime...

[1 reply] : To get the sum of all income and expenses you can use std::accumulate ... (by Thomas1965)

by azizguliyev

Using string function.

How do i reverse an inputted string but the last character of the string stays the same, say, inputted : "Hello12345" will return : "4321olleH5". Using cpp code...

[4 replies] Last: string is a type. it wraps the old char array / char * in a class and... (by jonnin)

by Kingokafor96

payroll array help

I have to write a code for payroll array but I'm having trouble defining the variables for it here is the question any help with this would be much appreciated ...

[1 reply] : Hello Kingokafor96, First thing I noticed when I looked at the progra... (by Handy Andy)

by ghost1111

question about hashing

our you allow to use rand() when your using std::hash because im trying to make a simple hash function where it generate a 6 unique digit or is there other way...

[9 replies] Last: @ganado i get what i did wrong i made an object outta customer and ca... (by ghost1111)

by josephhoffman28

C++ Function help ASAP!!!

Please look through my code and help where it is commented I am having a great deal of trouble with this assignment and I am out of time please assist. #...

[3 replies] Last: Remaining issues. assignment detail: Complete the following in yo... (by josephhoffman28)

by Vitesze

How to concatenate two floats?

I'm collecting geographical data for a couple of sensors I have. They collect the latitude + longitude and store them as float, e.g.: float lat, long; void lo...

[2 replies] Last: if you need it to look exactly like what you wrote and you actually ne... (by jonnin)

March 2018 Pages: 1... 13 141516 17... 29

Archived months: [feb2018] [apr2018]

This is an archived page. To post a new message, go to the current page.