General C++ Programming - August 2012 (Page 10)

Typedef of enum
#include <iostream> using namespace std; int main(){ typedef enum { false, true} boolean; boolean b = false; cout<<b; cin.get(); return 0; } ...
Aug 21, 2012 at 9:15pm
[4 replies] Last: thnx vlad ......that did it (by rhlgupta1383)
Good Lambda Functor and Thread -- C++11
To implement this you should know how to use c++11 lambda closures. There are a few ways to do this: The first way uses c++11 auto type detection: #incl...
Aug 21, 2012 at 7:27pm
[4 replies] Last: You should make it an article, not in the forum. (by viliml)
by S7krs
Class of bits, size compared to booleans
Hello! I have created a class that contains a char (8 bits, just like a Boolean), that introduces methods that can use every single bit. Now, I ran this code wi...
Aug 21, 2012 at 5:50pm
[9 replies] Last: For your information, the class std::bitset or std::vector<bool> is ex... (by aquaz)
Operator overloading
#include <iostream> #include <fstream> #include <string.h> using namespace std; class MyString { public: MyString(); MyString(const strin...
Aug 21, 2012 at 4:39pm
[2 replies] Last: When I ran this in the debugger, I got an access violation after a few... (by Stewbond)
Redefinition error
Hi i am sort of a newbie to C++ and i made an encryption/decryption program. but theres one problem i cant reserve bytes of memory for a string. my code is: st...
Aug 21, 2012 at 4:25pm
[9 replies] Last: and actually i have one more problem i tried using setclipboarddata() ... (by warrier)
password help
so i want to ask for someones password, but what they type shows up on the screen. i want to make it so that no matter what they type it will show '*'. and then...
Aug 21, 2012 at 2:03pm
[6 replies] Last: yep (by Aramil of Elixia)
by RyanM
Vectors & Passing Objects
ServiceProvider mySP(spUserName, spPassword); mySPs.push_back(mySP); vs. mySPs.push_back(ServiceProvider (spUserName, spPassword)); My Questions: 1...
Aug 21, 2012 at 1:51pm
[3 replies] Last: Thanks guys! Great answers :) (by RyanM)
strings 1-9 not printed ; array
I created a string array with 30 strings. But the strings 1-9 wont get printed, when I try to print them out using a for loop.
Aug 21, 2012 at 1:30pm
[10 replies] Last: Likely the error isn't at that part of the code. You may have an [out ... (by coder777)
Save a specific surface with SDL/OpenGL
Hello! i am learning OpenGL and i thought of making a paint program where you also could save the images and i wonder if there is any way to get a specific surf...
Aug 21, 2012 at 12:11pm
[5 replies] Last: Real quickly: f(src)=dst If you multiply the coordinates of a pixel in... (by helios)
Overloading the + Operator in a Derived Class
Greetings I have a class called Date and another called DateTime that is derived from Date. The class Date has a provision to overload the + operator. I am t...
Aug 21, 2012 at 11:30am
[11 replies] Last: It works! It was such a stupid mistake that I had made and it only cam... (by Peter De Souza)
taking the last two letters of a string
I would like to make an if-statement. I would like make a if-statement that activates a function that should only be activated if the last two letters of a word...
Aug 21, 2012 at 11:20am
[5 replies] Last: > could you maybe write that with, as an example ... Couldn't you hav... (by JLBorges)
Timing programm with chrono problem.
So I have my program that does some stuff for a some period of time. I'm trying to output time taken at specific points of program (Starting with Time taken to ...
Aug 21, 2012 at 11:01am
[3 replies] Last: @NwN Hmm .. I think std::chrono::system_clock::now() - Started r... (by wizulis)
creating .dll files in c++
On page 54 this guide http://www.maths.manchester.ac.uk/~ahazel/EXCEL_C++.pdf gives an example of creating a dll file of a simple function. Then with this d...
Aug 21, 2012 at 9:15am
[3 replies] Last: I have a 64 bit version of excel and apparently the visual studio 2010... (by jjday23)
by beakie
Projection
Can anyone offer a suggestion as to what is happening here? http://imgur.com/bHq67 I have been using this coordinate projection code for a while using bas...
Aug 21, 2012 at 8:08am
[1 reply] : In case anyone wants to see the value of the cubes coordinates... ... (by beakie)
by ToniAz
Calling an Application from Another
Hello everyone! The title really explains what I want to do. To put into code, I want to do the following: int main() { // ... __CALL("file\path\run.exe")...
Aug 21, 2012 at 7:30am
[3 replies] Last: It's best to make it a library. Programs don't pass data in a typesaf... (by kbw)
Is a polygon in a cube - voxelising
I'm coding a program that converts 3ds files into my own voxel file format how ever part of the process is to test whether any geometry (i.e. polygons) are in a...
Aug 21, 2012 at 5:51am
[9 replies] Last: My next thought is to include boundry conditions in the planes by usin... (by Stewbond)
string storing in integer array!
what is the output? int i1 ={"\12345s\n"}; printf("i1=%d\n",sizeof(i1));
Aug 21, 2012 at 5:45am
[4 replies] Last: Silly question: did you ever try to compile it to find the answer? Yes... (by viliml)
Dynamic Sorting Predicate (1,2)
Hello, I'm working on a type of sequencing problem, where the ideal position of an element is decided by nearby elements. As a type of experiment, I'm trying...
Aug 21, 2012 at 3:02am
[21 replies] Last: I've only looked over this thread briefly but if you are determined to... (by jmadsen)
illegal use?
I have received an error saying "Illegal use of this type as an expression", why is my compiler throwing this error? if (m_pPlayer->GetPlayerPos().x...
Aug 21, 2012 at 2:34am
[2 replies] Last: sorry about that. The question was rushed =D and yea i was meant to be... (by programmeraie125)
by iantac
Fibonacci Search Algorithm C++???
So now I'm creating a program that will search a string using the Fibonacci Search Algorithm. The problem is that the program can't find 9,6,5,3, and 2 #inclu...
Aug 21, 2012 at 2:06am
[4 replies] Last: What I mean is, it's sorted by the numeric value the strings represent... (by helios)
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