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General C++ Programming - February 2014 (Page 27)

C code: Getting a "cannot convert double to double*" error

Hey all! This is C code, but I thought it similar enough to C++ to post it here... Anyhow, I'm getting 4 compiler errors, that are all telling me "cannot ...

[3 replies] Last: What standard of C are you compiling with? Try using -std=c99 or -std=... (by LB)

by Sentinel

Question to a Sinus-Regression Algorithm

I found a algorithm for a sinus fit. Unfortunately, there is no hint how the input data should look like. Maybe someone can help me with that and understa...

[no replies]

by Gameman

Use DirectX or OpenGL?

I am because I don't know what to use OpenGL or DirectX ? I heard some people saying I can use both. How is this? what is better for online games? And when I c...

[1 reply] : Thanks anyway I knew it I will use directX11 and learn this tutorials-... (by Gameman)

by Sinux Sand

Need to know how to open a help file from C++

I've written a program for my assignment and well it working fine but what I can't get my head around is how to call a CHM or a PDF file and display it and retu...

[9 replies] Last: Use ShellExecute, it was designed for this purpose. http://msdn.micros... (by modoran)

by Nouf

C++ vector reaching it's maximum size

Hi, My program enters the size of the vector from the user and then creates a vector of vectors (lets say SIZE1). In addition the user enters the number of v...

[3 replies] Last: You are running out of memory for your data; C# won't be able to help.... (by JLBorges)

by jshm415

Classes C++ Constructor

Hello, I am creating a class that has a private array on the heap with a constructor that takes the size of the array and initializes it on the heap. Later I ha...

[1 reply] : #include <iostream> struct A { int size; int* array = new in... (by cire)

by LB

What are they useful for?

http://en.cppreference.com/w/cpp/language/member_functions #include <iostream> struct S { void f() & { std::cout << "lvalue\n"; } void f() &&{ std::c...

[5 replies] Last: > so it's a way to manually optimize the program It could be used for... (by JLBorges)

by Pierreseoul

Class Car

Implement a class Car with the following properties. A car has a certain fuel efficiency (measured in miles/gallon or liters/km—pick one) and a certain amount...

[9 replies] Last: The problem says mpg must be 0 in the beginning. If that was the ca... (by giblit)

by azntrindo

infix to postfix conversion

edit-using array based stack class So i am having a problem, i do not understand how to convert an infix notation into a postfix notation from a txt file. The i...

[3 replies] Last: i read it but i am still confused on how to implement the code however (by azntrindo)

by renegade007

Using an API function that has a char pointer as an argument

I am using a small robotic-car that is controlled by writing C/C++ codes under Linux. I need to use a particular function from the library provided by the manuf...

[2 replies] Last: Thanks for your reply. It gives me the idea of how to proceed. (by renegade007)

by MrHobo

Function failing?

I'm supposed to write a program that converts temperatures using void displayMenu() int getChoice() void generateTable(int startTemp, int endTemp, int step...

[5 replies] Last: It's the same end result. (by Computergeek01)

by Renato

Variable not storing the value.

So i'm creating bank system. W Where I have function that reads the text file (balance), and I make a deposit, which adds what was in the balance = deposit...

[18 replies] Last: Thanks a lot Disch , that makes sense to me :) (by TheBeardedQuack)

by cplusplus3

Finding text inside a text using substring

In c++, i know there is a find function, but i don't want to use that. How can i find a word inside another word. So i have to take 2 strings. EX: string 1: mi...

[no replies]

by Renato

Add and minus from the text file arent give the right value.

I'm going to try explain the best way i can. I'm creating a bank system. So I know to make a deposit to the balance, which add ups what is the balance to ...

[1 reply] : I've fixing the problem to return to the menu, not return to the readB... (by Renato)

by ginamarie

C++ question. Plinko Simulator

I am trying to begin a project that will simulate the game Plinko from the price is right. Were a puck is dropped down a board of pegs, the peg can either bounc...

[no replies]

by jshm415

C++ Nested Loops and Histogram

Hello, I am making a histogram program that prints on the ith line the ith char in the symb array the number of times that appear in the ith index of count. Ex....

[1 reply] : First of all, there's a problem with your code. You have declared and ... (by xismn)

by nicholasd

-1.#IND error

Hey there, I have some coding experience but I still seem to get the occasional confusing error. For the most part I believe I have this code written correctly ...

[1 reply] : An IND error in visual studio basically means NaN (Not a Number). Thi... (by Hippogriff)

by plasmanoid309

chapter 13 Stroustrup text box, math for rounded box class

I'm trying to create a box with rounded corners using FLTK. I got the the box to print with the arcs in the right positions, but my math appears to be all wonky...

[no replies]

by tburns517

Federal Tax Program Issue

I can get this program to run, but it always says that it returns a tax of 0. Any idea as to why that is? Write a program that can be used to calculate the...

[1 reply] : ... but it always says that it returns a tax of 0. Any idea as to why... (by Computergeek01)

by cppnoob25

Program doesn't work correctly

So I made a program that I keep continually modifying but as of right now I am using it to count my methods. using namespace std; class loc { public: ...

[4 replies] Last: Nope, code in C++ will only do what you tell it to. Unless you tell th... (by Computergeek01)

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