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Beginners - April 2021 (Page 8)

Trying to print out the "totalVotes" as an int and the "votePerc" as a double. My issue is if I keep their types seperate the "votePerc" calculation comes out t...

[1 reply] : for(int i = 0; i < ARRAY_SIZE; i++) { votePerc = (tab... (by Ganado)

by Horror

changeing each lowercase letter to uppercase

I have to write a program that reads strings of text from a datafile called “data.txt”, changes each lowercase letter to uppercase, and places each letter b...

[3 replies] Last: Using a queue and a stack to test that a word is a palindrome is far m... (by seeplus)

by ElusiveTau

Can you #define values for a header in another file?

EDIT : Sorry for the confusion. Let me rephrase what I meant to ask: Given the code below, where should I put the #define DEBUG_ENABLE 1 so that I can togg...

[5 replies] Last: You normally want to set those kinds of configuration macros in the co... (by helios)

by Hossifer

Write to Serial Port

Greetings! I am still learning the overall structure of C++, plus I am at a point where in order to maintain my interest in it, I need some help over a hurdl...

[4 replies] Last: @Nico I don't see anything in your try block that would throw exceptio... (by mbozzi)

by JamieAl

How to fix "expression must have integral or unscoped enum type"

I have the following code and trying to perform a simple calculation: #include <cmath> #include <math.h> #include "fftw3.h" using namespace std; int mai...

[7 replies] Last: I was under the impression that I can use memset as an initialization... (by Ganado)

by Thugfreak

Operator not declared in this scope

Hey, I have been trying to compile a source file in OpenFOAM which uses the C++ syntax. When I run try to compile the make file I get the error 'autoCreateK' wa...

[3 replies] Last: Hey, thanks for that. (by Thugfreak)

by JamieAl

std::min function help

I have a simple question really I am trying to find the minimum between two values and use it as a new value in a function. For example, in my code I am star...

[8 replies] Last: @lastchance If D is diffusivity in your code, what is k? Normally suc... (by JamieAl)

by kerem59

Stack

The question is : "Make a program for creating of Stack S, after this to set N-th from the bottom element of S with values A, exclude from stack first N-1 from ...

[12 replies] Last: but, its not a hard coded problem, that is just the example. someth... (by jonnin)

by Minionmin

I cannot change octal to binary

Seems like octalToBinary function has some problems. Could you please tell we how to fix? #include<iostream> #include<cmath> using namespace std; ...

[2 replies] Last: You can't pass an octal 'number' as an int. int (and its variations) a... (by seeplus)

by kevin0211722

How to detect key enters?

Hi guys! I want to make my program clear the screen once I pressed a specified key. How can I do that? The following is my idea of code but I don't know whethe...

[6 replies] Last: [quote=seeplus]For Windows, Virtual terminal codes are only supported ... (by mbozzi)

by y19177

assert statement is not working

Practicing template class. This is a generic array class, but I'm not sure why the program does not terminate when I try to call "list = 's'; ". Thanks in adva...

[2 replies] Last: @lastchance Thanks for pointing out my mistakes, I think it is all s... (by y19177)

by L67GS

Julius API

Does anyone have experience with Julius Speech recognition under Linux in C++? I've found API stuff and it's honestly way over my head so I'm hoping someone cou...

[no replies]

by siid14

ISO C++11 does not allow conversion from string literal to 'char *' [-Wwritable-strings]

I got a warning as you can read from the title. Precisely this is this line that is affected : Rectangle(double, double, char *); ...

[4 replies] Last: you can ugly it up and do it with S. void foo(const char * cp) { ... (by jonnin)

by phazed99

moving array values

Coding arrays, one even, odd and then one merged for smallest value to larges. Only on even so far and when I input 4 then 2 it just prints 2. Can someone pleas...

[5 replies] Last: Thanks everyone for the help. (by phazed99)

by ForrestDumps

function not printing result in menu program

Program is meant to allow the user to make several menu choices and print a total once they're done. Discount price is applied for items in multiple of two thus...

[6 replies] Last: The function prototype on L13 doesn't match the function definition on... (by seeplus)

by petrmsofuse

how to create constructor for object containing array of other objects

I have tried many ways, but it seems that problem is in the string part, because I am always getting error core dumped segmentation fault. header file: s...

[6 replies] Last: It works!!! Thank you so much, I appreciate your help. (by petrmsofuse)

by petrmsofuse

Function not returning correct value

I have a structure containing string, int and double. My function takes four doubles and compares it to the double from structure. But it's returning wrong valu...

[4 replies] Last: Thank you very much! (by petrmsofuse)

by Kallinteris Andreas

What does each Const in a member function defintion mean

First in C we have const int my_func() {return 0;}; This Tells the compiler that all calls to my_func() will return the same value In C++ we have: ...

[3 replies] Last: It's mainly a correctness feature. If a class instantiated variable is... (by seeplus)

by vysero

Decimals for numeric keypad

Hey guys. I am working on a numeric keypad which needs to handle decimal values. I am having some trouble handling decimal values in the range: [-1, 0, 1]. It w...

[4 replies] Last: Hello vysero, You could also try this: #include <iostream> #include... (by Handy Andy)

by Lexigon

Table of symbols

Hey, I am trying to figure out how to print out a table of symbols into the console. I have an input file that has a predefined form such as this int main...

[2 replies] Last: L8 - 10 and L15 - 19. It would be far easier to store the required str... (by seeplus)

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