Software Development Forum

Hi.....need hel from u guys...would like to ask on the error with the coding below...the total dura_hour did not shown in the textbox...can anyone point out the mistake or the missing coding? Me.OracleSelectCommand2.CommandText = "SELECT sum(DURA_HOUR) FROM DOWNTIME" Me.OracleSelectCommand2.Connection = Me.OracleConnection2 OracleConnection2.Open() OracleSelectCommand2.ExecuteNonQuery() OracleDataAdapter2.Fill(DataSet141) txtRelia.DataBind() OracleConnection2.Close() thx in advance

hi again, i have project which i set form border style to none, but i can't to dragging form anymore. please help me how to do this with code sample cause i don't have any idea... ok. help me all... best regards from u..

For this question I would like to reffer to my previous thread: about my game project for school: [URL="http://www.daniweb.com/forums/thread102003.html"]http://www.daniweb.com/forums/thread102003.html[/URL]. I would like to execute a function every few miliseconds. Say every 5 miliseconds. [QUOTE=invisal;495957] This part should call every 5 miliseconds. [code=cplusplus] bool Render() { // Render all the 20 …

Hi This question gives me a weird feeling, actually I'm not really sure if this is relevant. Anyway, here we go: I'm (still) busy coding my first game in C. The goal is simple: the player is a fisherman and needs to catch all the fish in the water. If …

I have a desktop aplication with internalframes (inner classes) in a class KeyBrowser.java(the desktopPane). I built a form FourComponentJPanel.form(java)?? the keyBrowser.java allows me to click a JMenuItem to create createDataBaseWindow(). I wanted to have the liberty to have another class that hold the JPanel FourComponentJPanel.java(templet if you will) In the …

Hi. I'm starting to use clientdatasets after years with Zeos DBO and I'm facing some difficulties. I created a TSQLConnection, a TSqlDataset as a ctTable, a TDatasetProvider and a TClientdataset. I populated the clientdataset and tried an ApplyUpdates(0) to insert the records. But I'm getting a "cannot modify a read-only …

I have been making a prime number generator. It works, but it's considerably slow if a user enters a high number. If anyone has any suggestions on how to make it faster, please post it. Here's the genrator code: [code] unsigned long int theNumber; unsigned long int Factor1 = 1, …

Hello, I am very new to Python and have, what I think, is a rather simple question. First, I am running Python 2.1 on Win XP. What I want to do is open a CF page after my process has run and pass the processID, that I will set, and …

hi guys, i have the following code: main.c [CODE=c] #include <unistd.h> #include <stdio.h> #include <errno.h> #include <limits.h> //defines PATH_MAX #define _GNU_SOURCE #ifndef PATH_MAX #define PATH_MAX 255 #endif int main(void) { char mycwd[PATH_MAX]; fprintf(stderr, "\nThe PATH_MAX is %d\n", PATH_MAX); if (getcwd(mycwd, PATH_MAX) == NULL) { perror("Failed to get current working directory"); …

hi, i am reading the book "Operating Systems Design and Implementation 3rd edition" which analyzes the minix source code... in the part of filesystems we see this code [CODE=c]PUBLIC _PROTOTYPE (int (*call_vec[]), (void) ) = { no_sys, /* 0 = unused */ do_exit, /* 1 = exit */ do_fork, /* …

I'm trying to make the second parameter a default parameter that is the same as the first, or different if I want it to be different.. Why doesn't this work? And is there a way around it, other than by iterative overloads? void LoadFile (std::string filename, std::string key=filename) { //blah …

I have been a C/C++ programmer for 4 years now, and now that I'm actually reading a tut on it, I have to say, I am impressed! The whole concept of the DS really is cool; and it's flexability is the best I have seen. While I was reading one …

I have been reading "Sams Teach Yourself C++ in 24 Hours". This is the code that has confused me: [CODE=c++] #include <iostream> class Cat { public: int GetAge(); void SetAge (int age); void Meow(); private: int itsAge; }; int Cat::GetAge() { return itsAge; } void Cat::SetAge(int age) { itsAge = …

Please help me in self documenting the program below. All u have to do is, take a quick glance at the following code to see if u can understand wat each part is doing. If u have any difficulty in understanding(at a quick glance that is!), pls tell me so …

How to make win32 app with login? Is there some command or i need to make my function by myself?

i made a program to evaluate an expression, "expeval.cpp" [find attached]. i then tried to go further..... i made the program to read characters from the keyboard and write it into a file["file.cpp",find attached]. if an expression is encountered, it is evaluated and the result is displayed after the line …

Hi all! I've started a little late doing my final year university project, but I know what I want to do so it's probably better than a few of the other students out there! I do enjoy reading and studying about the wide variety of topics that are encompassed by …

int file file = open("./some.txt", O_RDONLY); Above line file=open giving me compile error: 'O_RDONLY' undeclared (first use in this function) What is the problem here? I am running linux and gcc 4.1.

i have a question, why can't i do this, there are three errors and i don't know what they mean [code] #include<iostream.h> float celsius_to_fahrenheit(float); int main() { float fahrenheit; float celsius=22.5; fahrenheit=celsius_to_fahrenheit(celsius); cout<<celsius<<"C="<<fahrenheit<<"F\n"; return 0; } celsius_to_fahrenheit(float celsius) { return(celsius*(9.0/5.0)+32.0); } [/code]

Hi , [code=C] /* Inputs a list of strings from the keyboard, sorts them */ /* in ascending or descending order, and then displays them */ /* on the screen. */ #include <stdlib.h> #include <stdio.h> #include <string.h> #define MAXLINES 25 int get_lines(char *lines[]); void sort(char *p[], int n, int sort_type); …

Hi i always mix up a NULL and '\0' and 0. Can you write me when to use these things?

hello again i have mac computer and i have xcode on it. i am looking for some use full beginners books or tutorials. Right from start i have no previous knowledge of c++. can any one suggests any book for site for beginners which specially deal with g++ and xcode. …

I was trying to delete the currently selected listview item using MFC methods, but obviously they werent compatible How can I accomplish this in VS 2005 (standard .NET windows forms NOT MFC? I have tried [code=C++] void CMyListView::DeleteSelectedRow() { int nIndex = GetListCtrl().GetSelectionMark(); if(nIndex != -1) { GetListCtrl().DeleteItem(nIndex); } } …

How would I execute a C/C++ program without using a windows library? (Like ShellExecute)

Hi, i have been making a program that tests a computer owner's firewall. It gets input from the client i made, and does a system() with it. Is there any way to make the firewall not block the program right when i make a scocket? Oh, im using Dev-C++ 4.9.9.2 …

When resizing the form, I resize the toolbar on top. When it gets too small for all the buttons on the toolbar to show I want to either Split the buttons into two lines or Add a button at the right hand corner which includes as menubuttons all the buttons …

[B][COLOR="Red"]hi all, I am new here,and I wish I could find a solution for this program My program has to check if the number is prime or not?, my program is working properly with numbers greater than 1 (n>1), I want my program to display a friendly message when the …

[B]Point.h[/B] [code=c++] #prag... #pragma once #include <iostream> using namespace std; class Point { private: int x; int y; public: Point(void); Point( int x, int y ); Point( const Point &xPoint ); ~Point(void); void setX( int x ); int getX() const; void setY( int y ); int getY() const; Point & …

[CODE] #include <iostream.h> #include <time.h> #include <stdlib.h> #define MAX_RANGE 1000 main () { long value, guess; int tries = 0; srand ( time (NULL) ); // Initialize random generator value = rand()%MAX_RANGE+1; // Get random between 1 and MAX_RANGE cout << "A random number has been selected between 1 and …

[CODE] int[] h0 = new int[] {0,0,0,0,0,0,0,0}; int[] h1 = new int[] {0,8,8,0,0,8,8,0}; int[] h2 = new int[] {0,8,0,0,0,8,8,0}; int[] h3 = new int[] {0,0,0,6,9,0,0,0}; int[] h4 = new int[] {0,0,0,9,6,0,0,0}; int[] h5 = new int[] {0,8,0,0,0,0,8,0}; int[] h6 = new int[] {0,8,8,0,0,8,8,0}; int[] h7 = new int[] {0,0,0,0,0,0,0,0}; int[][] …

I have a homework to get the average of x number...I was thinking that in order to get this I should just ask the user to input all the numbers that that want to get and using comma as separator...unfortunately, I don't know how to do this...below I have my …

I have a project which I created a setup for in an MSI file. My computer crashed, and I lost all of my work. Fortunately, I had the MSI setup file out on the web. Now, I have my MSI file and I can install the program. But is there …

Hi, Just a short question. I was wondering if one has a base class for example bird and a derived class pigeon, if i instantiate an object of each class, B1 and P1. Is it possible to pass the address of B1 or P1 into a function such as DoSomething(&B1) …

1. "Memo1" component that hides value such as 100,200,300 or 450 ounce etc. 2. "Memo2" component that hides value such as 50,100,150 or 225 ounce so the component will store the decreasing values from 100,200,300 or 450 pounds. Thus the bar image's height will be 50% of the barimage old …

Can i know what's wrong with the below source code? can i put the variable x, y like this? How it can't work? [code=c++] #include <Windows.h> #include <mmsystem.h> #pragma comment (lib,"winmm.lib") int ,x,y; void CTestingDlg::OnPlay() { // TODO: Add your control notification handler code here UpdateData(TRUE); CString strFreq; CString strHL; …

Hi to all, I want to know how to get into dll file. I do not now anythig about dll. I do now something about Applications. So if you can give some link with example and with dllEntryPoint i will send the GOD's to Answer your wishes(:D).I have nothing to …

I recently sent a request for help because ReadFile kept crashing for me. The moderator sent me some code which cured my problem. My next step was to experiment to see what I had originally done wrong. (For further info see ReadFile crashes by toolmanx.) I started by replacing each …

Ok i'm trying to build a header file which then i can include it for programs that use singly linked lists but somthing is fishy here...: here's the code [CODE]#include <iostream.h> struct nod { int info; nod* next_adr;}; void add(nod* &v, nod* &sf, int val) { nod *c; if(v==0) //if …

hello, i neeed help badly.my problem is i want to retrieve the record that has just been added. let say: step :load RESERVATION form->fill in details->click the save button->load RECEIPT form as soon as i click the save button, i want the records to be displayed in RECEIPT form. all …

I have just tried to use Dev-C++ v 4.9.9.2 IDE GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 675 Mass Ave, Cambridge, MA 02139, USA When I compiled my first program I received a link error: [Linker error] undefined reference to `WinMain@16' …

oopps sorry

hi masters.... does any one know how to flash window form ?? i don't have idea to do this problem.. please help me.. best regards

hi....well this is my first post in this community...i hope people here will help me in my doubts... I am an intermediate level programmer of c++... i have a doubt regarding the permutations of a given string and permutations of first N natural numbers... i have written a program for …

[QUOTE]aptr = malloc(nrows * ncols * sizeof(int)); rowptr = malloc(nrows * sizeof(int *));[/QUOTE] What is the different with have no * inside sizeof(), eg sizeof(int), vs sizeof(int *)?

plz i wanna sol for this q with describ anyone can help me ??? write C++ program cosist of two structures - The first called "Address" consist of three elements (city, state, and zip code). - The second called "Employee" consist of seven elements ( Employee name, number, Address, Birthdate, …

Hi. I´m having some trouble with my search code. I'm trying to make it search in either my varenummer field or varenavn field. My method to do so looks like this: [code] public KasseInterface søgVare( String varenummer, String varenavn ) { System.out.println( "Søger efter vare med varenummer: " + varenummer); …

Can anyone please help me with my sorting Array...my teacher asked me to do a code for sorting array using html and servlet. I don't know how to start this program since I am still new in java...please help me...if you can provide example code then that would me appreciated...

Firstly, I got this class: [code=cplusplus] class A{ public: void show() { std::cout << "Hello World"; } } a; [/code] I am trying to get the address of [B]show()[/B] function. [code=cplusplus] int main() { void (*ptr)(); ptr = &a.show; *ptr(); return 0; } [/code] And, it doesn't seem to work …

Hi Guys. I am relatively new to C++ so i may seem a bit inexperienced, but please bear with me. I am doing a little c++ project to help increase my experience and i have come to a stand still. (I have defined loopcount earlier on in the program) [code] …

char stmt_buf[1024], buf[(1024*2)+1]; stmt_buf ="SELECT id, title FROM post LIMIT 5;"; I get an error: connect2.c: In function ‘main’: connect2.c:217: error: incompatible types in assignment