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Beginners - October 2016 (Page 24)

windows.h ReadFile() [beginner] problem

Hi, I am returning to c++ after a couple years, and with only basic knowledge, and am trying to go through different aspects of programming with windows.h (usin...

[1 reply] : GetFileSize function is your problem. The following website will help.... (by Izink)

by WHYISNTITWORKING3275

Code is outputting the default in switch/case

it compiles but it always outputs the default #include<stdio.h> int main() { int a; printf("Choose 11,22,33,44 "); scanf("%d,&a"); fflush(stdin); s...

[3 replies] Last: Hello WHYISNTITWORKING3275, Line 14 should be: case 33: case 44: pr... (by Handy Andy)

by Wolffish

convert function types

Hi, i am new to c++ programming and need help. The following code is an short example of the problem #include <iostream> #include <string> class A ...

[2 replies] Last: Thank you very much. I already found std::bind but I did not know abou... (by Wolffish)

by ManlyMartin

Need help with readchunk program.

Currently I'm trying to write a program that requests a file from a web server and parses the file to count the instances of a string. In this case, I'm looking...

[3 replies] Last: Bump3 (by ManlyMartin)

by carlwryker

Virtual function and abstract derived class

I want to make a base class (BaseTab) abstract and the derived class (AssetsTab) concrete, but the compiler is giving me an error that the derived class (Assets...

[2 replies] Last: Oh. Thank you! (by carlwryker)

by channing0411

Functions

I wrote the below code last week and need to change it to Create functions based on your existing source code (ex. GetCar, CreateCar, CalculateLapTime) which ta...

[4 replies] Last: I get that. Thought it may help speed the process up if it were in dif... (by channing0411)

by WeeDee

Why is this happening?

Just starter to learn C++ and wanted to play about a bit and for some reason the code is not working the way it should be. Why dose the switch not give any out...

[1 reply] : Why dose the switch not give any output? Line 23: This doesn't wo... (by AbstractionAnon)

by MoFyne

How do I enable C++11?

Hello, I have an issue with enabling C++11. In my homework, it says thag I have to start compiling the source file with "--std=c+11" on the command line. Howeve...

[2 replies] Last: No, two minus-signs is a canonical GNU option, and is valid (but GCC a... (by mbozzi)

by babamublabla

Hey I need help with pass by reference

Hello! The goal here is to get the sum of (1/n)^2 aka: (1/1)^2 + (1/2)^2 +...(1/n)^2. Im using pass by reference to try to get the task done but I keep on getti...

[2 replies] Last: Ahh I see it now. Thanks for the reply and tips mbozzi :) (by babamublabla)

by deadmittens

Word Counter Problem

So I've been working with XCode as my compiler for sometime with no issues. The problem I am working on is: ------------------------------------------- Wr...

[3 replies] Last: Hello deadmittens, Since no one has said it yet, you need to delete t... (by Handy Andy)

by White Bear

Memory leak?

Hello guys. I need Your help! Need to solve a task: User type an float array A. Need to copy positive values to array B, negative - to array C. I wro...

[2 replies] Last: I wanted to use int numNeg = 0; int numPos = 0; But this solutio... (by White Bear)

by cm123

even number

is this how you would write the chunk of code to see if it's an even number? number = 12; if (number % 2 == 0) cout << number << “ is even.” <...

[4 replies] Last: Yes thats the simplest way to check whether a number is even or odd. W... (by kamal choudhary)

by blackbone16

Calculation from inheritance of different classes

I'm doing a question which includes a DineInMeal class, HomeDelivery Class and a HomeMeal class. The DineInMeal class is to instantiate a specific set meal and ...

[5 replies] Last: Please post the exact text of your error. homemeal header lines 8, 1... (by AbstractionAnon)

by SegmentationFault

Creating a binary tree from prefix notation: Segmentation Fault

Wrong code.

[2 replies] Last: What code is meant to be inside the else (line 77 onwards)? (by Moschops)

by amoureux

new struct record in binary file per function call

I'm trying to store some information in a binary file. However, i met with a problem that i can't rectify. For example, if the first order comes in, there is ...

[5 replies] Last: I have edited the question according to your feedbacks. (by amoureux)

by closed account 9GEqko23

"Undefined Reference to"

I know this seems like a repetitive question but I just started writing some code until I came across this error, any reason why? Error: main.cpp:(.text+0x...

[2 replies] Last: linker is expecting Championship<Player, 11>::Championship(int s, co... (by codewalker)

by chewydice

Error Handling

I need to do some error handling in c++ that not only corrects a user if they enter a negative number, but also if they enter a letter or string. I need to use ...

[3 replies] Last: while (guess != number){ break; } O_o For the conversion, atoi()... (by ne555)

by materialisticsociety

problem with loops and file

Hi. So I need to find which student has the most "10s"(which is the best mark). Im given the info from txt file: 3 4 10 9 8 9 3 7 6 7 6 10 9 6 7 10 5 The first ...

[2 replies] Last: Yes i know im missing it. I just didnt know what to put there, so i le... (by materialisticsociety)

by curiousengineer

How to access one private member in another class?

I am new to OOP. I am writing a class (call it ClassA) which needs access to just 1 private member in ClassB. How to I go about doing this? There is concept of ...

[3 replies] Last: You're looking for the keyword " friend ". class B { friend class ... (by Moschops)

by kmm96

labyrinth

hello, I need to run the program labyrinth . A sample labyrinth and its representation with a two-dimensional array LAB. Wall cells are marked 1 and free ones 0...

[no replies]

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