Beginners - C++ Forum - May 2015 (Page 4)

Can you check this code? It's stuck in infinite loop. #include <iostream> using namespace std; int xs = {1, 2, 2, 1, -1, -2, -2, -1}; int ys = {-2,...

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by liquifiednate

QT creator: write to text file without overwriting what is currently inside

I want to know how to write to a file but NOT overwrite what is in the file. I know when I'm not using QTcreator I would do this os.open(filename.c_str()...

[2 replies] Last: Thank you so much!!! I got it working by adding QFile::Append afte... (by liquifiednate)

by DreamTime

Initialize Variable in Header File

I have a variable that needs to start with a default value. I have a function in the .cpp file for that header file that changes variable a with every run. Howe...

[2 replies] Last: I'm a bit unclear what you asking, but... If a header file is include... (by andywestken)

by Whitehead

finding an average of an array

Hi, I'm trying to solve a problem: http://www.codeabbey.com/index/task_view/average-of-array. I'm pretty sure that my function is bad, but its my first time cre...

[7 replies] Last: I didn't know that the compiler truncates the numbers, everything is w... (by Whitehead)

by bostock11

Help with a project

Hey guys, I'm looking for some help with a project for work. Basically, I want to be able to enter a 4-5 digit number, grab information from excel spreadshe...

[1 reply] : I know this isnt what you asked... Just how I would do it. To get resu... (by SamuelAdams)

by tonester

C++ Multiple Inheritance

I am currently stuck and I cannot get the setScore(numericScore) to recognize on PassFailExam.cpp . Any help toward a solution will be much appreciated. /...

[1 reply] : Careful with your use of terminology -- you are not using multiple inh... (by andywestken)

by dummy1001

,

.....

[1 reply] : Formatting your code will make it more readable. How to use code tags... (by SamuelAdams)

by phztfte1

Error Using FLTK and C++

Write your question here. Why am I getting this error message: 1>------ Build started: Project: C12Test, Configuration: Debug Win32 ------ 1> fltk.cpp 1>c:\u...

[5 replies] Last: I feel like kicking myself ... Don't! As you say, you're only huma... (by andywestken)

by azns123

Problem with Do Loop

I'm writing a program that outputs a value based on a value the user inputs. For example, if the user inputs a value from 0 to 0.35, the program triples the va...

[2 replies] Last: Thank you so much, the program checks properly now. (by azns123)

by tonester

C++ Derived Classes

I could really use some help, not sure where I have gone wrong. Thank you. C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.CppBuild.targets(...

[2 replies] Last: Thank you! (by tonester)

by koko82

Class instantiation, which is the best way and why?

Hi All, Just learning about classes and trying to understand the different ways you can create an object. It looks like from code you can do this 3 ways, is ...

[9 replies] Last: Thanks all for your help much appreciated. I will start to use the new... (by koko82)

by nathanc23

Writing to an array using cin

Hi, I'm trying to use cin to write to an array and then simply output that array by passing it to a function. See below #include "stdafx.h" #include <...

[3 replies] Last: grrrr thank you! Stupid mistake! (by nathanc23)

by overlord49

ASCII to regular value

Hi I'm here trying to convert the letters of a name to its ASCII value and add them, if the final value is not (0,1,2,3,4,5,6,7,8,9,11 or 12) then I wanna add ...

[2 replies] Last: Use ajh32's code to get the number from the string. You can't do the ... (by dhayden)

by grahamconnell

2D arrays

so I'm supposed to output a table showing a multiplication table for 1-5 using a 2D array: 1 2 3 4 5 2 4 6 8 10 3 6 9 12 15 4 8 12 ...

[2 replies] Last: Try this... #include <iostream> using namespace std; int main() {... (by PSYCHAMERON)

by programmer0

typedef array

Hi,, can i typedef array? typedef double account ; will this be like array of 4 doubles?

[2 replies] Last: Note that array typedefs are seen to be a bad idea (at least a bit evi... (by andywestken)

by Justas Sam

Can Someone look at my code? 2048 game.

#include <iostream> #include <conio.h> #include <vector> #include <cstdlib> #include <time.h> #include <windows.h> #include <algorithm> using ...

[1 reply] : at least ask a question, what do you want to know? oO So far I can onl... (by Gamer2015)

by MrAnts

Understanding of String.at() - '0';

Hi can anyone help me with this code? int day; day = (((int)UserInput.at(0) - '0') *10) + (int)UserInput.at(1) - '0'; I have no idea why does it ne...

[5 replies] Last: OMG thank you so much now I understand why we need to - '0' because 'z... (by MrAnts)

by oresund

Tips/Improvement: File Parsing Program

I don't know if "parsing" is the right word, but this program is designed to get an input file "playlist.mbp" (musicbee playlist) and generate a simple M3U play...

[5 replies] Last: I don't know the MusicBee playlist file format (have you seen a spec f... (by andywestken)

by kirubhakaran

How to call C# dll Methods and events inside C++/CLI

HI friends, i am new to C++ programming. now i trying to migrating C# library functios and \ events with in C++ application for that i have create one Wrapp...

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by Nikkolodeon

Need help with output. Beginner at programming.

Hi I am new to this forum and also a beginner at programming. I just want to ask some help for those kind people out there about my code. I am getting an output...

[2 replies] Last: for (int exam=0 ; exam<=3 ; exam++) { // Insert code to ... (by closed account 48T7M4Gy)

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Beginners - May 2015 (Page 4)