Beginners - December 2012 (Page 5)

need some explanation
hello .. can you explain what would happen here in this program please ? ....... using namespace std; int main() { int x, y, i, power; i = 1; power = 1...
Dec 28, 2012 at 6:24pm
[2 replies] Last: thanks all for your help :D (by bgnr boy)
converting string starting with zero to int
My overall goal in this was to convert binary strings to integers, but now i am interested in also learning stringstream. After looking around i found the meth...
Dec 28, 2012 at 2:08pm
[3 replies] Last: [quote=metulburr]The only problem i found when i was trying to use it ... (by Chervil)
resizing images
i am trying to resize an image useing this function: My_Image scale_image(My_Image& image) { My_Image scaled_image; int new_w(0); int new_h(0...
Dec 28, 2012 at 2:01pm
[8 replies] Last: got it working. after what athar said i look at the other parts of my ... (by maxaction)
Creating header file
Hello, This is Nithish I am new to cplusplus can any one help me here how to create header file in code blocks.
Dec 28, 2012 at 12:52pm
[1 reply] : this guy explains it via video in code::blocks http://www.youtube.com/... (by metulburr)
Codeblocks dosent work with C++11
So the code is this: int number = 123; string text = to_string(number); number = stoi(number); but it says that to_string and stoi are not decleared in this ...
Dec 28, 2012 at 12:31pm
[2 replies] Last: currently Arch has the newest at 4.7.2, and ubuntu default is 4.6.3, b... (by metulburr)
strings as parameter/argument
I am a c++ beginner and I don't know if strings can be used as argument, if yes then please give any easy example?
Dec 28, 2012 at 11:09am
[4 replies] Last: @ NeeteshDad: please don't PM any one person - keep it on the forum so... (by Catfish3)
by nasser
VC++ 2010 express
how to add a library in VC++ 2010 express
Dec 28, 2012 at 9:34am
[2 replies] Last: Add the library name to linker input or use a Microsoft specific #pra... (by modoran)
by nasser
just a simple question
can anyone tell me what's the best complir for C++
Dec 28, 2012 at 9:21am
[3 replies] Last: When you say which is the "best compiler", I assume you meant IDE. The... (by jumper007)
Pushing a Beginner in the right direction!
I am fairly new to c++ as a language, and programming as a whole. I was wondering if anyone had any tutorials, pdfs of books, or any media that they could think...
Dec 28, 2012 at 9:11am
[3 replies] Last: I am an advanced user of C++, and the point from which I started was t... (by jumper007)
sync() and flush(), usages?
This is part of a bigger program, but essentially, what's happening is that "stringB" isn't being allowed to be written properly. After I type in 10 characters ...
Dec 28, 2012 at 8:00am
[2 replies] Last: Very interesting! Thank you for your informative response! If cin.read... (by drognisep)
check OS type
How do you check what OS you are on via C++. I came across a few answers say to check the environmental vars, the only env vars i saw that both linux and window...
Dec 28, 2012 at 7:59am
[no replies]
Custom assignment to lvalue of overloaded [] (array) operator
Hi I'm currently trying to learn C++. I'm at the chapter on operator overloading and I have a question. I've implemented a custom array class, MyEvenArra...
Dec 28, 2012 at 3:21am
[4 replies] Last: Cubbi, yeah, that was more or less what I meant when I said "I could h... (by janetmweiss)
by COM314
A good way to clear the screen
I'm working on a rock-paper-scissors game and I'd like to have the screen clear every time a new match starts. I've heard that system("CLS") is a bad thing to u...
Dec 28, 2012 at 3:01am
[1 reply] : You can check this article for other ways to clear the screen apart fr... (by Hippogriff)
If statement help.
What is the proper form of the if statement? if statement or if (statement) Also, what is better? if (statement == 1) cout << ""; cin.get(); ...
Dec 28, 2012 at 2:03am
[1 reply] : http://www.cplusplus.com/doc/tutorial/control/ (by closed account 18hRX9L8)
by Pebble
Sales_item.h
I've just started learning C++ using C++ Primer 5th edition. When i try to build the following program: #include <iostream> #include "Sales_item.h" in...
Dec 28, 2012 at 12:35am
[2 replies] Last: I'm currently using Codeblocks/Mingw. After another search session i'm... (by Pebble)
string
I am trying to initialise a string ive put #include <string> at the top however in the int main() section I try to initialise a string like this string bl...
Dec 27, 2012 at 11:32pm
[1 reply] : Do you also have the std namespace included somewhere? You will eithe... (by Hippogriff)
by Kovs95
Dungeon Crawlers
Hi! I'm creating a dungeon crawler game. I created a 2d array called grid . I want the player to start at the top left corner so I declared two variables "x...
Dec 27, 2012 at 9:21pm
[2 replies] Last: Thanks! I forgot to delete that! My grid keeps appearing as a straight... (by Kovs95)
Allowing an .exe to run only once at any one time
Hello all! Ok I am completely new to C++ (as in this week) and need some help with this if possible. Below is some basic code taken from Dev-C++ which jus...
Dec 27, 2012 at 9:00pm
[3 replies] Last: "gadget50" Being new to C++, I have no idea what any of that answer ... (by metulburr)
Which container is most efficient both for iteration and key-value access?
Hello, I have a veriable number of pointers that point to instances of a certain class. Each instance has a unique ID, and it has to be possible to access al...
Dec 27, 2012 at 7:37pm
[9 replies] Last: :) One hell of a game with different objects 60 times per second. (So... (by Lowest0ne)
by Kosmos
Segmentation fault when declaring std::vector
Hello, When I run my program, I get a segmentation fault. This is what the gdb debugger outputs: Program received signal SIGSEGV, Segmentation fault. 0x08...
Dec 27, 2012 at 7:22pm
[5 replies] Last: Athar wrote: It's doing that because you're trying to access an elem... (by Kosmos)
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