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General C++ Programming - July 2013 (Page 24)

Well thanks for past help with my RPG once again. Right now I have another problem. Before I can put enemies in my game I'll have to finish movement on my NP...

[18 replies] Last: UPDATE - Thanks everyone I can now begin on Inventories/Combat. I hope... (by closed account N36fSL3A)

by heepoo

a game engine

hi all i'm writing a game engine what library should i use for my engine? allegro, sfml, sdl or something other i like to write my engine for all operating ...

[3 replies] Last: I used SDL, but SFML is faster and such. But I'd still recommend lear... (by closed account N36fSL3A)

by Ciu

Deadlock.

I recently made code that causes a deadlock (or atleast tries to make it). Code: #include <iostream> #include <thread> #include <exception> using na...

[3 replies] Last: main thread writes to doNot and the two other threads read from doNot ... (by Cubbi)

by slydex

Passing a C++ classfunction pointer to a C function

Me and my colleagues are working on a project right now, where we are supposed to connect our C++ program to a C program we haven't written. More specific: w...

[4 replies] Last: You need to implement a C API which has functions which call on to the... (by andywestken)

by CSCImajor18

ERROR: Expression Must Be a Modifiable lvalue

I've written a linked list and once I got to the end, it states that my list variable has the above error (within title). Not sure on what is wrong. HEADER F...

[6 replies] Last: list = new DoublyLinkedList (list ); // what is list ? not defined. ... (by abhishekm71)

by muhammad ibrar

choice between composition and inheritance

hi i have an assignment regarding this topic, can anybody help me please? due date is 11 july. Suppose you are working as a software developer in a company. ...

[2 replies] Last: use inheritance only when you want to extend the functionality of the ... (by coder777)

by sinperro1

Text file i/o

Hi, I have written the following code to add data to text files which are required to store 3D scan data (I have to calculate the y-coordinate). My code see...

[1 reply] : Use the std::string mechanism: file = dir + "/profile_00" + convertj.... (by coder777)

by sharpie789

Errors LNK2028 and LNK2019

I do not understand why my program won't work because of numerous LNK2028 and LNK2019 errors. I am using Microsoft Visual Studio Express 2012. 3 files make up t...

[3 replies] Last: Here it is with code tags: Header take 2.h: #pragma once #include <... (by sharpie789)

by closed account NUj6URfi

Android

How do I port a pc game to android? Do I just include liraries or do I have to rewrite all my code?

[5 replies] Last: It is c++ code and I know my code and java was not built for android ... (by coder777)

by ewl

error dereferencing pointer to incomplete type

I am having trouble with this program I get the error dereferencing pointer to incomplete type in the populate function I am using BloodShed's Dev C++ compiler ...

[3 replies] Last: 1) Please use code tags when posting code to make it more readable. ... (by MikeyBoy)

by foozhan

priority_queue

hi all, i can not understand this line of code... :( can some on explain it what does it do? std::priority_queue< std::pair< std::vector< ActionStatePair >...

[1 reply] : It creates a priority queue called "queue" where each element is a pai... (by Cubbi)

by Manga

Lies, lies, and a bunch of A.I.

Not to long back I had written a "rock, paper, scissors" program, but today decided to modify it. I wrote in some variables which the program would use to store...

[19 replies] Last: You don't suppose the computers themselves took offense to me saying t... (by Manga)

by qwerty7899

I need help with my code

I need help it skips the cin.getline in my if stat mint and I have no clue why? ps.I am using visual c++ #include <iostream> #include <fstream>//libry ...

[1 reply] : Add cin.ignore before cin.getline : cout << "";// needed to make t... (by TTT)

by minak

join function

hi I am using windows library for developing multi-threading. I wonder to know that what is the equivalence of join function in windows library? in fact I have...

[1 reply] : WaitForSingleObject() or WaitForSingleObjectEx() http://msdn.micr... (by JLBorges)

by agoswami

32bit vs 64 bit in structure and union

Hi, I have question on union assignment. In the below code,I write one_ascii but I have copied the value in r.four_int and r.four_int .Does r.one_ascii contai...

[no replies]

by StoneHeart

[HELP] Convert To SafeArray

Example: int nArgc = 0; LPWSTR *s_Argc = CommandLineToArgvW(L"Cmd1 Cmd2", nArgc); On above example, the command list are stored in s_Argc pointer. I c...

[no replies]

by adam davis

What can a pointer of type void be used for?

Hi.. I want to know what a void pointer could be used for and if anyone could post some links to examples where void pointers are being used.

[6 replies] Last: Because the clutter api requires that the callback function has a cert... (by htirwin)

by venkat raghvan

is Possible that read and write in DMA at same time&

Is it possible that we can read or write data in DMA?I have developed window application in which DMA is involved for data transfer and receiving from pc.is it ...

[no replies]

by Jubbly

Simple calculator operation

Hey guys so I'm trying to modify my old calculator program from previous assignments, into a calculator made of functions. What I'm struggling with is trying to...

[5 replies] Last: int main() { double x=0., y=0., z=0.; char op; bool reset=true... (by ats15)

by mohrchance

code problem

why does my program not properly run through the clearly defined if statements in my program? Am I missing something? I don't need an answer just some direction...

[13 replies] Last: Ok, not bad, but you missed the bool variable, the quit option, and us... (by TheIdeasMan)

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