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General C++ Programming - October 2018 (Page 2)

HI. my coding not display an output as i want. my question project ask me to make menu interface application which is we can choose any number on menu. but my c...

[1 reply] : You already have thread http://www.cplusplus.com/forum/general/244902/... (by keskiverto)

by yanazman

fix please

after i compiled, this message was appear. /var/tmp/ccKyPeru.o: In function `main': main.cpp:(.text.startup+0x17b): undefined reference to `newCGPA()' main...

[1 reply] : case 5: cout<<"5.Calculate New CGPA"<<endl; newCGPA(); break; On ... (by Repeater)

by mechanicalnotcomputers

Getting an exception thrown at me...

Okay, so this is my first time ever using the forums on the c++ community, and I'm seriously hoping somebody can help me with the problem I'm having. I have a h...

[8 replies] Last: I also retroactively tagged the code. So sorry, I didn't see the tags... (by mechanicalnotcomputers)

by DrGooves

Gradebook arrays

My version of a gradebook that gets students average and converts to letter grade. // Headers #include <iostream> #include <string> #include <iomanip> us...

[1 reply] : Did you have a question, or are you just wasting some space? If you d... (by TheIdeasMan)

by Satan

How to: Bind a keyboard event, Hide console, Work with clipboard?

Firstly is there a cross-platform way to work with the clipboard using C++? There are windows functions but these can only be used on windows OS. Secondly, ...

[17 replies] Last: Thanks guys but as I said I think it's easier to work with something d... (by Satan)

by arf

Declaring Pointer Array in Class

Hey everyone! I have 5 addresses like this: 0x8017b0 0x8017c0 0x8017d0 0x8017e0 0x8017f0 And have to place them in an array. How can I declare an array in cla...

[3 replies] Last: Actually I am trying to read data from text file (which is not known ... (by jlb)

by beatenpathofficial

Extra help

Hello again: I posted a question on the forum a few days ago, and have run into another issue. While it is another assignment, the version I have is final and i...

[3 replies] Last: #include <iostream> #include <string> #include <map> using namespace ... (by lastchance)

by tariqsaba

Help with structures and related objects concepts

OK. So, I am coding monopoly, I asked the user how many players they want, then I created new Players (STRUCT) for the same number. Then, right now I want to s...

[1 reply] : Why do you have player1, player2; when you have a vector of Player? ... (by Thomas1965)

by Harperstu1

Type in midpoint with or without braces

How could I type type the midpoint with or without parenthesis, It works when I type with parenthesis (6,7) but when I don't use a parenthesis 6,7 it doesnt wor...

[5 replies] Last: #include <iostream> #include <utility> // return true if the next ch... (by JLBorges)

by caymwin

Calculating sin(x), cos(x), and exp (x)

As the title says I'm trying to create a program that calculates all three of these results and displays them compared to Library result. I've manages to get si...

[8 replies] Last: Thank you all so much for the help! (by caymwin)

by beatenpathofficial

Hit a snag

In my C++ class, we are writing a program that takes some information from user input (cin) and calculates information for a customer at a used car dealership. ...

[4 replies] Last: Thanks for the help! Got it figured out! Works like a charm now! (by beatenpathofficial)

by Metal488

How to create processes and use them with fork() and pipe() (1,2)

I am trying to figure out how to use fork() to create a process and then pipe() to communicate between those processes. I have watched a few videos and read a f...

[26 replies] Last: I'd be happy to address by solution if you like, but you'd have to ask... (by dhayden)

by samTheProgrammer

fill until boundary

Hello! This is an assignment and I'm not necessarily looking for a solution (but feel free to lol! I'm not plagiarizing in any means). More about how-to as I'm ...

[6 replies] Last: @lastchance, thank you so much! I worked on mine last night and built ... (by samTheProgrammer)

by primem0ver

Base and derived class field placement.

I am wondering if a variable (field) in a derived class always has the same offset as in the base class. For example: class MyClassA { private: int64 Z; i...

[7 replies] Last: @MikeyBoy I am familiar with their meaning and what they do. Opposit... (by primem0ver)

by contredb

Save a file in a different directory (input name) C++

I need save a file in a different location but the file is not a default name that will be put in there it is a name that the user will assign to the document: ...

[5 replies] Last: Thank you both of you (: (by contredb)

by Gbutch21

Sams teach yourself C ++ lesson 3 (1,2)

Hello everybody, I have recently started learning programming with Sams book but I have really hit a wall on the last exercise of lesson 3. Can anyone help m...

[21 replies] Last: Wow didn't know there was soo much to just datatypes.. thanks guys! It... (by Satan)

by primem0ver

Memory allocation and the OS/processor

Perhaps this is the wrong forum for this sort of question but since I am using C++ and need to write a memory manager, I thought I would ask it here. I am wond...

[2 replies] Last: thanks for the info @mbozzi. That you gave me enough info to answer m... (by primem0ver)

by TrungTrieu

Need help, Optimization Airfoil by C programming

I have read a search about optimization airfoil used Differential Evolution in C programming, and I want to know detail this code working. So, somebody has code...

[9 replies] Last: This is refer document: https://www.hindawi.com/journals/isrn/2012/528... (by TrungTrieu)

by Michael EvL

char[] to int -> algorithm

Hello, pleasse help me, I need an algorithm who takes each char out of a char and converts it into one int. javascript:tx('code') #include <iostream> #in...

[5 replies] Last: the language will do this for you, if you didnt know that. that is, a... (by jonnin)

by Satan

Sequence of characters as delimiter for input?

Okay firstly how do I change the delimiter for cout so that instead of \n I can stop the input routine with something else like ~ (tilde)? Secondly is it possi...

[19 replies] Last: Its buffered. Cout writes to the *buffer* (some memory somewhere) im... (by jonnin)

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