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Beginners - April 2015 (Page 43)

Calling struct pointer method in main

struct Pool* createPool() { struct Pool* pool = malloc (sizeof (struct Pool)); // TODO pool->lock = uthread_sem_create(1); pool->count_from_empty = uthr...

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by agamatr

How do you print each element from a stack?

Simple question I just need to know how to print each individual element from a stack

[4 replies] Last: Oh yeah that helped haha thanks! (by agamatr)

by KnowledgeSeeker

struct pointer

struct Pool { int items; uthread_sem_t lock; uthread_sem_t count_from_empty; uthread_sem_t count_from_full; }; struct Pool* createPool() { ...

[1 reply] : If you have an object, you use the dot operator (.) If you have a poin... (by Disch)

by nevadarain

verify input is a character

Quick question. My problem is that when someone enters an integer or non valid char, the error statement "Invalid entry please try again" is printed and goes th...

[1 reply] : make answer of type std::string , then simply check if the string c... (by Smac89)

by kle5208

Issue with figuring out function to compare 2 arrays

Write a program that will store 7 integers (entered by the user) into an array called list1. Next, prompt the user for 5 integers and put them into an array cal...

[5 replies] Last: @TarikNeaj I guess you're right. I usually don't work with out of ... (by fg109)

by GilTea

Reading file and storing to a vector

Hi, I am trying to build a feature into my program that allows for information to be read from a text file and then stored into a corresponding vector. My p...

[1 reply] : hey, your code is trying to index a vector that has no elements which ... (by bazetwo)

by godricjc

How to write the operator new[] and operator delete[] here in the Class HeapTracked?

I came across this problem when I was reading More Effective C++. It's in Item 27. The class HeapTracked is used as a base class for the heap tracking function,...

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by violakat03

Getting a missing semicolon error on a loop?

I'd say I'm about to scream but I've already screamed several times. I'm getting a syntax error for a missing semicolon before { on line 34. However... that's...

[6 replies] Last: Yes!! Thank you fg109. My program now breaks correctly and doesn't ask... (by violakat03)

by thomaselder84

Linked List Print

The program I'm currently writing uses a linked list. When the the program first starts, the current list needs to print 1 element with the value '0'. This happ...

[2 replies] Last: Thanks. I wasn't really thinking about the post conditions when attemp... (by thomaselder84)

by PapaSmurf

Unable to create instance of class

Hi, I am having some difficulties when trying to create an object of a class. I have several classes. I have successfully created one using code like this: ...

[3 replies] Last: Hi, I have created an instance of the class however I am unable to p... (by PapaSmurf)

by confusedengstudent

2D Array

I'm having trouble getting this 2 dimensional array to display as a pyramid, and i have no idea where to begin. #include <iostream> #include <fstream> #inclu...

[1 reply] : Please edit your post to use code tags - http://www.cplusplus.com/arti... (by TarikNeaj)

by deline

file reading

I'm trying to read a file in a very specific way and am having trouble finding a method I understand. I want to read each line of a very large text file writ...

[1 reply] : Nevermind, as soon as I posted this I thought of a way: string word;... (by deline)

by gamingYeah

I NEED HELP!! Payroll Array Program wont compile.

My Program won't compile and I've been struggling with this for about a day now I really need help. I don't know what to do. ERRORS: In function 'void Pro...

[5 replies] Last: I fixed it thank you! (by gamingYeah)

by Ksisky

Decimal Help

I am relatively new to C++ and I am building a calculator. I want to be able to add, subtract, multiply, and divide decimals but for some reason, I cannot. For ...

[2 replies] Last: Works great now! Thanks! (by Ksisky)

by McLovinmanDan

Some simple homework help

In this project, I'm supposed to have a FootballGame class that uses some objects created by a Referee class. I'm not entirely sure how to do this. #pragma ...

[1 reply] : I figured out that a try/catch block is what I'm supposed to do, rathe... (by McLovinmanDan)

by tbarbas

Help with string to int

Any idea for the code for my getDigit function? I have to add on one digit at a time while in my loop. Dont know how to pick off one digit at a time. Is the fun...

[1 reply] : number would give you the character in the position `k' By the wa... (by ne555)

by NoName48

DllMain failing ?

Hey . I have problem with simple dll when i inject it with example cheat engine i got error "Failed to inject DLL " . I don't know why . #include <Window...

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by brianstorm1992

Operation of with the int age inside loop

It is a while loop inside of whom I want to do the average of the "int age" of the 5 "profile". I don't know how to calculate it. Thanks again! #include...

[1 reply] : Okay so, create a variable that will hold the average ages and set it ... (by TarikNeaj)

by alexandre0224

array question

This is incomplete program. My compiler show. invalid types 'int ' for array subscript. What does it means? I think i have something wrong with the input array...

[1 reply] : cin >> age ; illegal age is not an array also don't forget #includ... (by Yanson)

by GilTea

Issue with checking vector struct item is unique

Hi, I am trying to check to see if my id field is unique. I had the code working when it was just a vector but now that's being used as part of a struct its gi...

[3 replies] Last: My mistake, the 3rd parameter is supposed to be type char in this ca... (by fg109)

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