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General C++ Programming - April 2011 (Page 18)

hello, im working on a college program in which I need to be able to take a picture of several pebbles scattered randomly on the floor, somehow import that into...

[1 reply] : http://www.cplusplus.com/forum/articles/1295/ (by PanGalactic)

by dAND3h

File + stringstream

Hey, I am trying to open a file using a concatenation of string and numbers. I have method called loadmap(int level). This is part of code where problem lies...

[5 replies] Last: It's probably SDL specific then ^^ (by dAND3h)

by eagles2008

Help!

I am not getting the proper outputs that relate to the menu displayed.What do I need to fix? #include <iostream> #include <fstream> using namespace std;...

[3 replies] Last: On line 52 you forgot to add a break; so that it doesn't go on to ca... (by LB)

by HenriK

Language design or compiler bug with semicolons?

I have a well above basic knowledge about C++ (variables, arrays, functions, classes, virtual functions, polymorfism, templates etc.), but there is one thing th...

[8 replies] Last: Sheesh, you´re right, I forgot that. I seem to keep forgetting things... (by HenriK)

by Sidmetal98

Reverse String using Recursive function

Hello, I'm a beginner in C++ & I learn from the internet. I have come across this program which has recursive function to reverse a string.the program is short ...

[4 replies] Last: When you say char* S = "abcd", S points to 'a'. Let's look at your ... (by hamsterman)

by quirkyusername

Calculating if one object is facing another

My maths isn't the strongest, and I would like to know how to calculate whether one object is facing another within some given angle. At the moment I calcul...

[2 replies] Last: that works great thanks hamsterman (by quirkyusername)

by moorecm

Discuss this snippet #1 (1,2)

I thought it might be interesting to hold a discussion from time to time about a given code snippet. Things that some may find enlightening and others can shar...

[21 replies] Last: Note that this compiles: std::string key( "" + p.getId() + p.getName(... (by moorecm)

by tuandt5

How to store "Sparse matrix"

hello all, I'm studying about "sparse matrix" and i have a problem with it. I don't know how to store the sparse matrix.Please help me. Thanks everybody. ico

[5 replies] Last: I agree that you can better optimize when you know what you are going ... (by hamsterman)

by kwstas15

can anyone tell me what;s wrong with this code????

#include <iostream> #include <vector> #include <string> #include <algorithm> #include <functional> using namespace std; static int n; int lenstring(cha...

[2 replies] Last: it has compilation errors when the one that gave it to me said that i... (by kwstas15)

by anvith

error help!!!!

i'm gettin the following error when i try to compile c++ file c:\program files (x86)\microsoft visual studio 10.0\vc\include\stdlib.h(353): error C2381: 'exi...

[2 replies] Last: thank u so much :) :) :) (by anvith)

by jackie

Array Help

I need help,, with this I want to Stop Users from Entering the Same ID Number for 2 or more people... int n,k,key; for (n = 0; n < N_STUDENT;n...

[3 replies] Last: i have them going into an array (by jackie)

by closed account 3872Nwbp

Binary to Decimal converter

I have found some other posts about this, but the approach was different from mine. I've gone through my code, it should work from what I can tell... At least t...

[9 replies] Last: @LB.....nope a little more complex than that. (by buffbill)

by BurgerTown

C++ friends, ASSEMBLE!

Hi, pretty new here and need a little help. I am a little stuck on this problem right now, but still trying to figure this out myself. This is the book's pro...

[6 replies] Last: Your add and subtract methods are wrong.You need a common denominator ... (by naraku9333)

by Vitor SI

special character in a variable??

Is it possible to declare a special character ó as part of the word código as variable any how???

[1 reply] : If your compiler/text editor knows unicode than yes, you can. (by modoran)

by sgm

Reaching IHTMLDialog (Webbrowser automation)

I am implementing a HTML automation in a site that creates a Dialog Window (window.showModalDialog). I want to access the IHTMLDocument2 property in the dial...

[no replies]

by mstratmann

error C2110: '+' : cannot add two pointers help please

Here is my code and the error I am getting is 1>d:\datamaxinc\datamaxinc\payrollplayfile.cpp(96) : error C2110: '+' : cannot add two pointers void E...

[4 replies] Last: Ok you guys rock I am idiot I was sending those to an array when it wa... (by mstratmann)

by jehduncs

need c++help

need help

[6 replies] Last: I can't tell if this is a troll or not... (by TheNoobie)

by r5jestes

default argument values 'require static member'

hi I would like to have a function defined inside a class that i can invoke with TreeMinimumValue(nodePtrToSomeSubtree); and/or TreeMinimumVal...

[2 replies] Last: yeah, thanks Mathhead... i did try that also, and it worked fine. i fo... (by r5jestes)

by TheNoobie

Passing references/pointers

I'm working with using functions to return more than 1 value (using pointers/references) at the moment. I'm a little confused about the difference (if there eve...

[5 replies] Last: Buffbill I didn't technically mean a function returning more than one ... (by TheNoobie)

by jlangholzj

sort files based on name

So i've got a giant list of files that all have a key number in them (1818 for example) and there's four files in the directory that all have that key number on...

[1 reply] : Try parsing the file names with a function like atoi(). (by buffbill)

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