General C++ Programming - March 2011 (Page 7)

by dAND3h
help pls - complexity
 
Hi, I am writing a Double linked list structure, and I have implemented a function called Insert which takes 2 params: The object and an int position. It shoul...
[no replies]
by cistadiplomatija
lists
 
hi i am working on a game and almost all things are coded in python,but i need to make some classes in c++,i have a problem with lists, in python i can insert i...
[2 replies] Last: thanks, (by cistadiplomatija)
by mstratmann
C++ Console application using classes
 
Hi I am new at this and wrote this code but for some reason it does not come up with the correct answers need help please! Here is my code: #include <iostre...
[8 replies] Last: This is how I have done it now: double COTP::m_pay = 0; double CO... (by mstratmann)
by pcannons
Declaring A Subclass, Subtyping
 
Hello, thanks for any help ahead of time, I have a player class and I am trying to subtype it with a Simple player. I can't use any other approach, and can onl...
[4 replies] Last: Awesome, thank you, this answered all my questions, and yes, bet is a ... (by pcannons)
by saxophonemaster
Memory Leak Issues?
 
I'm not expecting anyone to spend a lot of time, but I am running my program through something that detects memory leaks and am getting back that I am leaking a...
[1 reply] : A simple search shows your program uses the new keyword twice, but i... (by filipe)
by asavage
Sorting Multi Levels
 
Are there any references for the algorithm to sort on more that 1 level. I have a file with Date Sector Store and I want to sort it Date and within Date b...
[8 replies] Last: Got it. Thanks! (by asavage)
by sever
A GDB simple question...
 
Hi, A very simple question... I think... Is there a way to guess the line/lines among my source files are involved in an error when the program breaks wit...
[1 reply] : I just see that the *number* corresponds to the program id... (by sever)
by bbgst
OpenGL error 1282
 
Hi. I'm really desperate. I used OpenGL with C++ for months. Then I formatted my computer and, for some reason, I couldn't load textures anymore. I spread gl...
[3 replies] Last: We have no idea about how the underlying implementation of the OpenGL ... (by closed account S6k9GNh0)
by lrhnfs
My Puzzle: inline static class::method with static variable
 
example: // singleton_object.h class SingletonObject { public: inline static SingletonObject& GetInstance() { static SingletonObject...
[6 replies] Last: Thank you, coder777 I think you are right, I know how to solve the ... (by lrhnfs)
by Vaaal
problem with CONST and function member overloading operator
 
Hi guys, I have a problem about const and member function overloading operator. Well, if I do something like int c; /c is global const int &try (int a, int b)...
[7 replies] Last: ok, now it's all clear. Thank you very much :-) (by Vaaal)
by andrew732
How can I speed up this very simple loop?
 
I've never really paid much attention to low-level optimization before, but now I have a program that spends 90% of its time in this loop, running it many billi...
[6 replies] Last: I thought about calling the loop with pointers to the and indexes... (by budman85)
by mp121209
How I can check if a variable is initialized?
 
Hello, I have a question, If I have a variable, such as a pointer, but I don't know if it is initialized. Is there any method to check this? For example, it ...
[2 replies] Last: You should initialize it when you use it the first time. just like: ... (by lrhnfs)
by Prakasha
FindFirstFile Not working properly
 
Hi Guys I am trying to read contents of directory... using "FindNextFile(hFind, &FindFileData)" Findfirstfile returned me then first file in the directory....
[8 replies] Last: Guys problem solved.... It needs some settings to be changed in the pr... (by Prakasha)
by iNgine
Help me with my C++ code pls. (1,2)
 
a program that will read a number, n, and then output the sum of the squares of the numbers from 1 to n, So if the input is 3, the output should be 14, because:...
[22 replies] Last: So to make th program do what you want it to, you have to change this ... (by anonymous23323124)
by closed account S6k9GNh0
OpenGL / DirectX GUI Overlay
 
If you've ever used Steam or Xfire, both of these have an in game overlay menu. How does one go about this in concept?
[2 replies] Last: I know that :/ I mean, the concept of the overlay, interacting with D... (by closed account S6k9GNh0)
by mcertini
Variable In SQL String
 
I am trying to insert a variable in a SQL string but am not having any success in finding the proper sytax. I am coding in C++. Listed below is code section I a...
[3 replies] Last: If you really want to enjoy C++. instead of using C. The job could be ... (by b2ee)
by offy86
read a file and write it in array
 
I've a file ashii with a sequence of 65536 zeros and ones (that should represent a binary image). I have to put it in a int array so i will be able to analyse...
[3 replies] Last: ya sure. here's a simple example of how to read a file char by char, ... (by ultifinitus)
by skatingrocker17
How to print values lower than a certain number?
 
I'm trying to print values lower than a set number but I can't seem to get it to happen. My Program just hangs. They don't have to be sorted by price, I just...
[4 replies] Last: Okay, there seems to be a problem with my infile state ment. When I co... (by skatingrocker17)
by Jennifer
just a little problem (1,2)
 
Hello boys, I am trying to make a program that inputs a positive integer n, and a text file, and outputs in reverse order the characters placed on the n-th lin...
[28 replies] Last: @Jennifer. I suggest you look at the substring function of std::string... (by anonymous23323124)
by dalydir
How compiling and running a program differs from the programming
 
I wrote a program yesterday that eventually runs quadrillions of calculations. In an attempt to make it as fast as possible (even by thousandths) I rewrote the...
[11 replies] Last: Names of functions, variables, and such so that when you debug the pro... (by Zhuge)
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