General C++ Programming - C++ Forum - August 2016 (Page 10)

by uzikills

using || in do-while loop

I have this program here, it isn't complete, just starting it off. It's a switch sequence within a d...

[3 replies] Last: Here, given the way you are using the switch statement, you could do t... (by andywestken)

by lolmanlol

this program isn't working and i don't know why?

#include <cstdio> int main(){ int s=12; int c=0; int l=1; freopen("hallin.txt","r",stdin); ...

[2 replies] Last: Line 10, s-l; , is not doing anything. (by closed account z05DSL3A)

by Cambalinho

how can i read a gif file byte a byte?

heres what i know about the gif files: 1 - the 0x2C(',') is the Image Separator; 2 - the 0X3B(';')...

[1 reply] : Make sure you opened the file in binary mode. (by Peter87)

by badbuddy1

I need some assist here , my C++ code is not working

My code is as below , I cannot display anything out , I spent a whole day on checking the mistakes ,...

[4 replies] Last: I found out what's the problem already , thanks guys (by badbuddy1)

by davidgoder

hello, I have a question about ctime library

I want to get the time difference between certain moments of objects life but it seems that variable...

[4 replies] Last: thank you very much!!! (by davidgoder)

by nickedge

Best Graphical Library To Develop a Weather Simulation Map?

I want to recreate a weather map that you see on most weather channels. I don't need real time Doppl...

[no replies]

by nzsteve

Why pass by ref when you can pass by memory location?

Hi All, I have been playing around a little with the C++ references, and I wonder - why would you u...

[4 replies] Last: Thanks Ganado, So you would use this in the case of objects (rather ... (by nzsteve)

by nuderobmonkey

enums nested in a class

// forward declaration, doesn't work // enum Cage::Bird; class Cage { Cage::Bird f_bird; ...

[2 replies] Last: Thank you, Thomas! (by nuderobmonkey)

by well

less<TYPE>

template <typename T,typename F=less<T>> int compare(const T &v1,const T &v2,F f=F()) { } I ...

[1 reply] : F() - an anonymous temporary object of type F (which is value ini... (by JLBorges)

by atinesh229

Rotate the Matrix

I'm trying to rotate a matrix inplace (clockwise direction). Below is my code, everything seems righ...

[2 replies] Last: @AbstractionAnon I get it thanks. Silly mistake (by atinesh229)

by bobxboxsony

Unreal Engine Compiling Errors

I'm having trouble finding the problem compiling this in Unreal Engine 4 4.12. Can you tell me the p...

[no replies]

by sohamb98

Forgot a few of my basics

Ok, I did cote code in c/c++ for about 6 or 7 months. Can you tell and explain the output of this co...

[9 replies] Last: That's crazy! Why is it so unorderly? What happened to order of opera... (by closed account E0p9LyTq)

by Bo Hu

read in .csv data and array manipulation

Hello, I tried to read a 3001 x 90 .csv data file into a two dimension array and then divide the ar...

[5 replies] Last: I tried to fix it as possible as I can, but I got lost again.... #i... (by Bo Hu)

by leo11313

need help with pizza c++ programm

Hi everybody ! i am a begginer c++ programmer and im trying to make a basic pizza programm that take...

[3 replies] Last: for (int i=0; i<c; i++) { total += prices[order ] * quanti... (by AbstractionAnon)

by JUAN DENT

Unexpected side effects of using inside a namespace

Hi, I just came across the most unexpected situation and I want to share it with all of you just in...

[3 replies] Last: Yes I had included chrono. Yes JLBorges, you provide the rationale: X... (by JUAN DENT)

by supahnonymous

sorting algorithms process output! NEED HELP!

CAN ANYONE HELP ME CONVERT THIS CODE TO OUTPUT THE PROCESS OF INSERTION AND SELECTION SORT. SO THAT ...

[1 reply] : Do you mean like this? Enter no of elements :5 Enter array element... (by Thomas1965)

by kempofighter

BIG O time calculation question

According to this book on discrete math, if O(x^2) is the complexity, and it takes 3 seconds to run ...

[3 replies] Last: The question is bogus in 2 important ways. First, Big-O is an uppe... (by htirwin)

by technologist

member access operators

Hi, If I create an instance of obj (Wood obj) I can only access its members/vars with (.) -- cannot...

[3 replies] Last: Some lamo attempts to replicate the "non-syntactic" a->b == (a*).b (by technologist)

by Bo Hu

Issues with stack overflow and access violation reading location

Hello, everybody, I am totally a beginner in C++. I tried to write some codes for my study, but, by...

[1 reply] : LIne 302 creates a very big array on the stack. The stack is usually r... (by dhayden)

by jhsyber

A program to check gift card balances?

So I work for a company who gifts people with different type of gift cards l, depending what the cus...

[6 replies] Last: Sounds like a straight forward process. You need to read the gift card... (by Thomas1965)

General C++ Programming - August 2016 (Page 10)

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