Beginners - C++ Forum - July 2020 (Page 2)

by Shruthi LS

expected a declaration error

Hi all, In my entire script for every for loop and if statement I am getting a error "expected a ...

[3 replies] Last: https://stackoverflow.com/questions/15104067/error-expected-a-declarat... (by againtry)

by NoobieCoder108

Pointers and Reference!

1. Declares cHelp to be “a function returning a reference to a char” that has a parameter named ...

[5 replies] Last: 5. Type casts (C-style) dpA dpA? in abc = (short *(*) ); ?... (by keskiverto)

by Simon90

Method/ function call problem

I'm doing an exercise about method/function calls. Codes below. The exercise asks any code below is ...

[3 replies] Last: some systems make long double and double same, but you still should be... (by jonnin)

by Mobius88

Problem with complex and double numbers

So, I am writing a code where I have to use matrices of complex numbers. Till now, I declared the...

[2 replies] Last: You could use structs or classes to represent the complex numbers. Or ... (by Shishykish)

by Shishykish

Why do I keep getting unknown class error even though I have included them all in the header files?

Hello, I have coded some classes for some computational exercises. But I cannot declare and assi...

[6 replies] Last: Hi all! Thanks for your help I was able to sort the unknown class is... (by Shishykish)

by greenway

Reading user input to then output part of an array

I am trying to read in the user's input for the year so I can output who won the national championsh...

[5 replies] Last: I see, for whatever reason Visual Studios was not showing the warning ... (by greenway)

by bxdobs

needing to create a 32b tcsh.exe that runs in w7 or above

Update/Solution Found: Took a closer look at the log file revealed that the -mx compile flag was com...

[2 replies] Last: Thanks Andy ... was struggling with this compile ... wrote the post ..... (by bxdobs)

by adam2016

void pointer not printing?

I'm trying to just simply print the contents of dat and then try to dereference it but nothing gets ...

[4 replies] Last: Yes, the overload for ostream operator << treats char* as a null-termi... (by Ganado)

by greenway

Storing int and strings from a file into arrays

I am trying to take int values and strings, which are both in the same file, and store them in an ar...

[9 replies] Last: Awesome, I figured out how to get the ints and string values stored in... (by greenway)

by sparki

Variadic templates c++17

Hi, I have implemented the following code below on variadic templates for creating exponents of 2 ba...

[14 replies] Last: Get rid of the +1 and say if constexpr (Count_t == 0) return seq<... (by mbozzi)

by JamesHelp

interpreting pseudo-code

I was given this assignment to do, but the pseudo-code doesn't make much sense to me, can anyone int...

[4 replies] Last: for (int k = 1; k <= (n*n); ++k) <= to include n*n (by ne555)

by bld

How do I check, if a certain key is pressed?

I want to make a Linux-compatible program, that does something upon a key press. I know, that you ca...

[4 replies] Last: I really don't feel like going through the entire thing now. @salem ... (by againtry)

by nikovch

How to use classes and destructors properly?

So the purpose of the project was to use a destructor to print out the percentage of the gas tank th...

[6 replies] Last: Thank you all for the help! I got it up and running, and to answer dha... (by nikovch)

by greenway

Populating an array with int and string values

I am trying to use an array to hold int values and strings, which are both in the same file. I would...

[1 reply] : Duplicate of http://www.cplusplus.com/forum/beginner/272043/ . Plea... (by MikeyBoy)

by Shruthi LS

Returning multiple values from function

Hi all, 1. How to return multiple values from the function(for example how to return the four mul...

[4 replies] Last: Thank you @againtry (by Shruthi LS)

by MrNewbie

expected unqualified-id before '{' token

hi there. i just started studying c++ and i was doing an excercise when i started having these probl...

[12 replies] Last: :) (by againtry)

by Shishykish

How can I address the multiple definition error in my derived classes from a abstract virtual one?

Hello, I have made a program to calculate the numerical solution of an ODE. I am familiar with t...

[3 replies] Last: If it compiles, it's only because you only have one compilation unit (... (by Ganado)

by DonnaPin

string functions

Hello, I am learning string functions from a book, however, the book was published in 2003 so some t...

[5 replies] Last: ...that they are unsafe and are deprecated Sounds that you use Visua... (by Thomas1965)

by DonnaPin

pointers address (1,2)

Hello, I have been learning about pointers, and now on pointers to pointers, and made a small progra...

[32 replies] Last: I am well aware of its definition. As I have said, I don't care about... (by againtry)

by nikovch

Code not printing the things I want it to print

Hello! I am having issues printing the correct things. My teacher asked me to create a class that de...

[7 replies] Last: An except of where this (modified & extended) can lead: // Creat... (by againtry)

Beginners - July 2020 (Page 2)

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