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Beginners - February 2017 (Page 26)

I want to make two functions. The first function converts Hex to ASCII the second function converts ASCII to Binary I think I already got the first funct...

[9 replies] Last: Consider how to do this by hand first. Take the 1st 4 characters in yo... (by dhayden)

by Day Vide

QT splitters

Why when I run this code, it runs correctly but the two push buttons don't have a splitter #include <QApplication> #include <QSplitter> #include <QPush...

[2 replies] Last: That actually worked thank you sir. (by Day Vide)

by Claudius7

Function to determine if a string is made by all distinct characters

Hello all! Here is my idea: sort a string s, introduce an iterator goes through the whole string, and check if for any given character, the character is equal t...

[19 replies] Last: OK, testing for the worst case scenario (long strings with no duplicat... (by Peter87)

by turtleman1

Counters mess each other up

Hi again, hope I posted this correctly. I wrote some code to simply count words, lines and characters in a text file. But when i run this entire code the output...

[4 replies] Last: I did peek the way above but still get one char less in my output, may... (by turtleman1)

by Scyl

Operation Overloading

How do I overload the function so that Correct appears? Student constructor is firstName and lastName. I've been looking up operator overloading and it'...

[1 reply] : Assuming firstName, lastName are type std::string, you need to overloa... (by gunnerfunner)

by closed account 3vX4LyTq

Random Number From Array

I want to pick a number for my array, and then add one to the corresponding variable. So, I think I'm doing it wrong because it outputs: You got 0 one's You...

[11 replies] Last: Oh I did not know rand() can be so bad. I will bear with this semester... (by Sanboro)

by neil222

Variable array size in a class

Hi, I am wondering how to create a variable array called "ValueFilter", the variable size being defined using "LengthFilter". Thanks in advance class ...

[18 replies] Last: still could, just check its size if a vector and if too big, complain ... (by jonnin)

by andrewllewop

Class Contructor

I know that an object of another class can be initiated using the method below but this is a variable that was declared and not a function. I don't fully unders...

[3 replies] Last: or name(aName) (by closed account 48T7M4Gy)

by alien51

Class: Instantiate array in constructor?

Hello, I'm sort of new to C++. I've written C++ in primitive codes before and then learnt Java because of course requirement. I need confirmation of am I hea...

[3 replies] Last: 1. In C++, this is a pointer, not a reference. Use the indirect me... (by mbozzi)

by Twomanykillz

Trying to convert Psuedocode into C++

// START // Declarations // number id // string ownerName // string breed // number age // number weight...

[4 replies] Last: OP: you can all consider using a struct and it's ctor to instantiate D... (by gunnerfunner)

by TheNerdyGinger

How to Create a Library of Functions in Visual Studio?

Hello! My teacher wants me to write a bunch of functions to save into a library that I can use in other programs. How do I create and save a library? I'm using ...

[3 replies] Last: I seriously doubt your instructor wants you to create a DLL file, espe... (by closed account E0p9LyTq)

by NateE

classes to inherit from the Shape base class

What I am attempting to do is have the classes to inherit from the Shape base class. I am receiving errors for the rectangle class. I missed something. Also the...

[3 replies] Last: Thank you so much.. I found a couple more mistakes and fixed those. It... (by NateE)

by pleaseINeedHelp

need help figuring out why program is crashing.

Hi, I am trying to dynamically allocate memory in my code. For some reason my program crashes when entering a quantity and says I have hit a break point and bri...

[7 replies] Last: pleaseINeedHelp, Here is an example of what you have (more or less) -... (by xismn)

by Jack816

Undefined reference to functions

Could someone explain why every time I call a function in main, it says it is a undefined reference to it? main.cpp // A Sophisticated Rectangle Class #...

[3 replies] Last: Thank you for all the suggestions. The main problem was that they were... (by Jack816)

by avaiscool

User input to find prime number

I am having trouble with this code. It is supposed to read a number that is inputted by the user, then tell the user whether that one number is prime or not. ...

[1 reply] : Please use code tags. http://www.cplusplus.com/articles/jEywvCM9/ ... (by integralfx)

by lajm

File I/O - File Output Problems (getting 0.00 as output; variables not initialized)

Hello, I have written a program to input ten floating-point numbers from an input file, read them, and then sum the numbers and calculate the average. The prog...

[2 replies] Last: Thank you so much! As you suggested, I needed to read in the values be... (by lajm)

by Jack816

Implementation file problem.

Could someone explain why my class 'Rectangle' isn't recognized in my implementation file? Rectangle.hpp #ifndef RECTANGLE_HPP_INCLUDED #define RECTANGL...

[6 replies] Last: I took out the #include "Rectangle.cpp" and that solved my problem. Th... (by Jack816)

by sesslit805

Vector and command

Write a program that creates a vector of strings called V. Vector V grows and shrinks as the user processes the transactions from a data file called “data.txt...

[6 replies] Last: Thanks guys ! This is what worked. I don't think Insert is quite r... (by cire)

by SebastianLearn

String subscript out of range error

I'm trying to create a program that takes in a number such as "12345678" or "12345678910" and formats them into "1-234-5678" or "1-(234)-567-8910" respectively....

[4 replies] Last: formatNumber is fed an empty string and you assume it was not. Not ... (by cire)

by Kingassassinable

1 Dimensional hollow grid array?

Hi there. I've been tasked with creating a simple console game with some tasks included on how to complete it. My first task is to " 1. Write code which asks...

[11 replies] Last: Anytime. I am about to go offline... if you have any trouble, let me ... (by jonnin)

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