51,593 Topics
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 | I want to write a wrapper around MySQL but I will in future extend it to support other databases. I will cover only nasic useful features (commons) but it should be extensible in future with minimal change. I want to write an interface but I cannot get good tutorial to … |
| | I write letter, it checks vowel or not but could not achieve for the capital letter without using if loop help me [CODE]#include <cstdlib> #include <iostream> #include "stdio.h" #include "conio.h" #include "string.h" using namespace std; int main(int argc, char *argv[]) { int a,b; char ch; printf("Enter Letter="); scanf("%c",&ch); if (ch==a) …  |
| | I need to know how to calculate in c++,using oracle.In this case i must know how to join table.Can I know how this can be done. Thanks. Anjana89 |
| | i have a prob with my code.. [CODE]#include "ml.h" #include "highgui.h" #include "cv.h" #include <iostream.h> //IplImage* img = new IplImage(mat); //IplImage iplimg = mat; and just use &iplimg wherever you need an IplImage. There is no need for dynamic allocation #define TRAIN_SAMPLE_COUNT 150 #define SIGMA 60 void main( int argc, …  |
 | This is not giving right output :((( [CODE]#include<iostream.h> #include<conio.h> using namespace std; int main() { char c[80],d[80]; cout<<"Enter a string = "; cin.get(c,80); strcpy(c,d); strrev(d); cout<<"String = "<<c; cout<<"Reverse word "<<d; getch(); return 0; }[/CODE] |
| | need some help with an odd magic square assignment please 1)is there a limit my code should have as to the odd integer the user can input? 2)as far as declearing my array i think i need numbers inside those braces right, i just cant put in the user's odd … |
| | Could someone help me with this code? When I compile & run my project, it says "Battlefront.exe has stopped working. Windows is looking for a solution to this problem" This is my code: [CODE]//----------------------------------------------- /// Battlefront.cpp Source Code File /// Part of the Battlefront.cbp Code::Blocks Project //----------------------------------------------- /// This file's … |
| | Hello, I made the following code to convert known datatypes to bytes: [CODE]template <class T> void convertToByte(const T *t, PBYTE pbArray) { DWORD dwSize = sizeof(T); memset(pbArray, 0, dwSize); memcpy_s(pbArray, dwSize, reinterpret_cast<LPCVOID>(t), dwSize); } [/CODE] But i was wondering how i'd go about it without passing a datatype into the … |
| | I know that there is a sticky thread and i know that maybe i repeating things that already mentioned but i am totally confused. I am interested to study about game programming,i don't study i bought a book and i am near to finish it about c++. i goggled and … |
| | Can anyone please explain me about callback functions with examples?  |
| | Hi community First I want to thank everyone who will look through this, because it's a longer post. I'm currently reading a book on AI by Mat Buckland. I'm re-building Mats entitymanager, though I just copied it. He used std::map to collect all entities as pointers which are cross referenced … |
| | I'd like to spend some time killing my brain cells over a small program which nevertheless uses appreciably high logic, e.g. some scientific application. I'd classify myself as a mid-range, so please go easy. Thanks!  |
 | hello,i must solve this problem : "Sum all even digits of a given number. That's what i've got so far. [CODE] #include <iostream> using namespace std; int main() { int sum = 0 , num; cin>>num; while(num > 0) { sum+=num%10; num/=10; } cout<<sum; return 0; } [/CODE] the problem … |
| | Hi guys. Im a noob programmer trying to make a trainer. This is just for hobby. I been using borland c++ builder. I made my dialog and button. I need the button to when pressed access a process and change the value of 5 offsets. I have the offsets and …  |
 | So I've programmed using Excel Interop before, but I can't figure out something. I have a spreadsheet with thousands of material properties listed in them. In the excel spreadsheet if I change that enum I can recalculate the sheet retrieving the values I need. I want to form a repository … |
| | Hi, I have to develop a C++ programme for airplane booking company where I have a one plane and 42 seats in the plane There are 1st class and 2nd class and somking and nonsmoking areas. this is a assignment I have to do. I dont need any code but … |
| | what is the difference of running program in codeblocks,Blooshed and Visual C++  |
 | I wonder why it ain't possible to manipulate with static member of base class from derived class. [CODE]#include <cstdlib> #include <iostream> using namespace std; class Base{ public: static double BaseValue; void Set(double a){BaseValue=a;} void GetBaseValue(){cout<<BaseValue<<endl;}}; class Derived:public Base{ public: double Count(){ return BaseValue*2; } }; int main(int argc, char *argv[]) … |
 | Is it possible to make a vb.net application faster Through code like using characters that the Computer already understands Like coding in certain areas through y x (math) etc. Will it be More faster since the compiler don't have to really do much work But its still must be VB.NET … |
| | Hi all, I'm currently developing an application in QT, and using QML for the user interface. Using QDeclarativeView I am able to create custom objects and access their members from within QML (using the below code), however I am stuck when I want to access the methods from just within … |
| | Dear friends: I use the numerical libraray Seldon in the vs2010, and the libraray was written in C++ templates. but the VS 2010 can not show the class view in the Seldon, it does show the classes written by myself. could you please tell me how to set the vs2010 … |
| | Hi Guys I need some urgent help I have Created a C# windows application to implement a form with • a ListBox, • a TextBox, • an Edit button, • an Insert button, • a Delete button, • a Update button and • an Exit button. [ I have also … |
| | am trying to write an application in c# to lock or freeze all programs until someone enters a value in the app's textbox and clicks 'ok'. The purpose of the app would be to get people to enter their time(by force :) ). As far as I know you can … |
| | Hello all, I want to write a qui program which opens and reads a text file when pressed Open File button. So far, when I click the button Open File Dialog works and I can choose the file to read but I do not know how to read it line … |
| | Hey All, I'm not sure where to start with this, but I need to write a C++ program that implements the 'Three Strikes' game, where the user tries to guess a word, being given a number of chances to guess letters. Any ideas? Thanks in advance. See ya on the … |
| | Okay ...Ive learnt Iterations and If Functions Arrays (1 dim and 2 dim) Structures ...In C++ as of now ...(Im still in school learning) I know that a good game would require "classes"....but i dont currently know how they work... So is there any way I can come up with … |
| | Hi programmers! I'm new at c++ and i want help about a simple guessing number game. I want: [LIST] the player has 3 tries (the number is between 0 and 20)[/LIST] [LIST]if player doesnt guess the right number (in 3 tries), then the programm will close[/LIST] [LIST]if the player guess … |
| | Hello everyone, I am currently taking up a project of making a Virtual Machine. I was wondering if anyone has any tips on making Bytecode interpreters, and Virtual machines. I am not really basing it on anything, I am just making a VM with 640k memory and about 8 32 …  |
| | Hi, I have to initiates a object to a variable in the private section of my class deceleration. The problem is that I can not add a try catch to it in this way. I Don't think I am explaining things to well (it's been a long day) so here … |
| | Hey guys, I was wondering: suppose I created a standard console application and but I now want to make the program (well the code behind the program) into a dll file or some other reference object that can be added to other projects - how would this be done? I'm … |
 | this is just a little project I'm working on for my converter I'll be asking for C++ to Py conversion since IDK C++ well enough to do it myself... but the project involves converting the current functions as well as writing opposite functions... (since the SDK only worries about writing … |
| | [CODE]#include <iostream> //standard input and output #include <fstream> //file input and output #include <string> //for strings #include <exception> //catches exceptions #include <sstream> //stringstream comes from here #include <algorithm> #include <stack> #include <queue> using namespace std; bool writeFile(const string &data); //writes strings to file bool readFile(); //read file bool palin(const string … |
| | I keep getting the undefined reference error when calling a c function from c++ code: void proxy(char *str); In my funcs.h file, I use the #ifdef __cplusplus extern "C" { #endif wrapper, and include funcs.h in my c++ code. I also declare the function as extern "C" void proxy(char *str); … |
| | Hi, I want to start learning OpenGL. I have searched for some tutorials and here is what I have done: 1. I downloaded the latest version of GLUT 2. I put the DLLs in C:\Windows\System32 3. I put the libs in C:\Program Files (x86)\CodeBlocks\MinGW\lib 4. Put glut.h in C:\Program Files …  |
| | I have a datagridview which allows the user to select multiple rows of a table.Now i have to take the values of one column of all the selected rows and insert those into the sql table.how do i do that? |
| | With this function I'm finding the highest average, but after I find it I want to find the name that goes with the highest average. I'm pretty sure I need to use the index of the highest average but I don't know how to do it. [CODE] void findHighest(int numItems,string …  |
| | Hi frnds I am having some kind of problem in strings.. I have to write a String program whose output is like this Let the string is :- Enter string : "Computer Programming" C Co Com Comp Compu Comput Compute Computer Computer P Computer Pr Computer Pro Computer Prog Computer … |
 | Hi , In Visual Studio CLI. I have randomly generated numbers(zero to nine) which are a,r,g,b . One by one they are meaningless . Together they create a color code for different products. For example : [ICODE] id a r g b i 1 1 5 9 i+1 6 0 … |
| | Hay every one Hay everyone I need help I have project in subject programming languages about make one idea on two languages c and java . I have made it in java and c++ but I couldn't in c This is the code in C++ [CODE]// Link.cpp : Defines the … |
| | Alright, I need help for a shooting game I'm working on. I current have a box that is 3d ( x, y, z) I'm trying to perform a check to see if my cursor is inside this 3D box. I understand how to make it 2d by using the max … |
| | hi, i want to know if there are any libraries for image/video processing in c/c++ with a compatibilty that it can later be adapted to DSP, without much difficulty. thanks in advance. |
| | I've made a 3d game simulation with animation and all the controls. But whenever i jump, the player remains up in the air without coming back down. Also the player can simply walk through walls. I'm using " colonel - z " for the player and "universe.dbo" for the environment. … |
| | Dear All, I can insert data into mysql db already via my C codes. The only problem now I need insert the time in this format "2011-12-11 09:01:02". How can I format this in my C codes? Thank you. |
| | Okay, so I have been searching around for a while and i haven't found much. I'm not asking for a code but I'm asking for a point in the right direction. So here is what i am trying to do. I am trying to make my own formborderstyle. As in … |
| | Hi: I wasn't able to find the exact solution to my problem on Daniweb, although there are several posts regarding the game of life. This situation came the closest: [url]http://www.daniweb.com/software-development/cpp/threads/242338[/url] My situation is a bit different because I HAVE to use a combination of functions and a class in the … |
| | I am learning C++ .net programming and was wondering why the code for creating a messagebox is [CODE=C#]MessageBox.Show("Hello, World!");[/CODE] in C# and [CODE=C++]MessageBox::Show("Hello, World!");[/CODE] in C++. Why is the dot substituted with a double colon in the C++ code? My source: [url]http://msdn.microsoft.com/nb-no/library/z9w2f38k[/url] |
 | A friend asked me how to write and use a DLL in C++. I told him that I had to check and make sure my understanding was accurate. So here I am. Would this work as a DLL: myDLL.cpp: [CODE]#include "myDLL.h" void DLL_EXPORT ConstructMyInt(myIntStruct &i){i.val=0;} void DLL_EXPORT DoSomething(myIntStruct &i){i.val*=i.mul++;} BOOL … |
| | well i have made a .txt file (for save /reload blah blah ..) ..i want it blank before program runs ..how can i do it - or is there any way i can create a new file every time overwriting the existing file |
| | Hi, I would like to get an advice, lets take SDL lib as an example. Recently I've been declaring sprite sheets that certain classes use ( player, enemy... ) globally and thought that a better way would be to load sprite sheets inside a class thats using it but if … |
| | Im trying to to write a program in C# and I'm stuck. The program suppose to create a post on wordpress via xmlrpc. I can create the post successfully but I have problems creating custom fields for the post. So when I open created post, custom fields are never there. … |
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