Beginners - C++ Forum - July 2013 (Page 30)

Starting my first Graphic Program, Library?

Hai everyone! The title might be a little misleading so I'll give my little story. So I have spent some time studying C++ and I would consider myself at leas...

[1 reply] : OpenGL along with SFML or SDL if you're going 3d. Same can be used for... (by closed account N36fSL3A)

by metulburr

Fibonacci sequence

I have been trying to do this Fibonacci sequence with the default args for awhile. I keep coming up with incorrect results. The total should be 4613732. and as ...

[6 replies] Last: Inside your while loop should be: sum = a + v.back(); a = v.back()... (by Smac89)

by Boomers

Programming bugs?

I'm having a problem with this code. If you input you're married and that both people don't work, it asks for combined income and the working person's income. A...

[3 replies] Last: Thank you so much for the help. I made a few stupid mistakes without r... (by Boomers)

by TweedleGun

Storing Strings In An Array

Hello I'm just starting C++ and I'm a bit confused with how to store strings in an array. I'm trying to make a simple calculator and this is what I've got so fa...

[3 replies] Last: string addition = "addition"; string subtraction = "subtraction"; st... (by Smac89)

by jakeford

Looking for constructive criticism! (1,2)

We're working with file streaming, and reading and writing to files. I managed to complete the assignment, but I feel there was probably a better way to have do...

[33 replies] Last: @JLBorges Thanks man. I see where my mistakes were with the file rea... (by jakeford)

by Dineo

static casts??

Hey guys.. Can someone please explain what static_cast<datatype>(2)Does?.. And why can't I just divide by a normal integer or double over that?

[6 replies] Last: Rather than write static_cast<double>(2) or double radius = stat... (by andywestken)

by InclinedToFall

What Is Happening Here?

So I am having a bit of confusion with understanding WHY this program works. #include "std_lib_facilities.h" int main() { string previous =" "; // p...

[4 replies] Last: Thank you both, vlad and Ispil. I appreciate your input. Ispil, thank... (by InclinedToFall)

by Josh Brown

If/ Else Statement Not Working

I know i'm a noob to C++ programming, and i may be completely missing what i'm doing, but i have researched and cannot find solution to this. When you type in '...

[4 replies] Last: Okay I see, thanks so much for the help guys!!! (by Josh Brown)

by wreglefan

C++ Question

This is a question on my study guide and I believe the answer is: 543210 is this correct? with the following input: 456789 what will print out? int i,t...

[15 replies] Last: you know what vlad? when you learn to code come talk to me. i will jus... (by closed account Dy7SLyTq)

by ThtCooperFellow

xcopy in system()

I need to use xcopy here (since I don't know a better way). My question is, how do I need to format the line with system() so that the compiler can read it. I'...

[2 replies] Last: Originally this whole this came from a batch file. I just wanted to t... (by ThtCooperFellow)

by munjo5746

writing bitset into binary file!!

Hi, I am trying to find a way to write a bitset into binary file!! I tried the following code!! bitset<10> first("101011"); ofstream output("binary.bin",i...

[6 replies] Last: @ DTSCode : I wouldn't worry too much about a byte being less/greater ... (by closed account zb0S216C)

by EliteGamesIndustries

ChatRoom for IOS game

How would you make a chatroom for online multiplayer on a ios game? Can anyone give me a example so I can make my own?

[no replies]

by Tomhet

C sub string

Is there possible the sub string without allocing and without change the original array? like: char*orig="original"; char*sub=&orig ;

[7 replies] Last: @Tomhet Is there possible the sub string without allocing and withou... (by vlad from moscow)

by DanielPatrick

return (a<b?a:b);

What does the below line of code mean? Explain by examples. What is this process called? return (a<b?a:b);

[6 replies] Last: What it does is evaluate the conditional statement. If that statement ... (by Raezzor)

by InstantDeath

Order of operations/precedence

could someone explain to me why the answer would be 3? int a = 5; a -= a-- - --a; cout << a;

[4 replies] Last: a -= a--(5) - --a(4-1) 5 -= 5 - 3 5 -= 2 3 http://stackoverflow.com/... (by Smac89)

by Brighton

To sum the numbers from 50 to 10 using while

Hello, I'm really new to the C++ programming so this question might look silly or so. I need to write a program that uses a while to sum the numbers from 50 to...

[8 replies] Last: @Brighton Can someone explain me why it prints "Sum of 1 to 10 incl... (by vlad from moscow)

by flamesscarlet

Allegro program screwing up

I am following a tutorial for game making with allegro. This code is meant to fire off a bullet when i click space. I havent added an update function yet, so th...

[1 reply] : nevermind i found the problem i was missing a pair of brackets (by flamesscarlet)

by abol810

problem with functions

I'm trying to write a simple calculator program and here is the code. the problem is when you choose an operation, after finishing the function it does not ret...

[2 replies] Last: there's break; required after case is done (by coder777)

by ace55

File decryption help please

Hi guys, I wrote this program for file encryption and decryption but my decryption command hangs. How do i fix it i am so lost. Thanks! #include<iostrea...

[1 reply] : char newc= int(c)+12; file2<<newc<<" "; you are adding a space bet... (by LaboPie)

by otisphat80

Disappearing Data

I have a very strange situation here this code I wrote here will not run in visual studio when debugging it when it calls a function sometimes the get_size_of_a...

[10 replies] Last: Cire, you solved my problem. I can't thank you enough. (by otisphat80)

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Beginners - July 2013 (Page 30)