Software Development Forum

Hi, this is not a HUGE problem but I was jw why at the end off all my codes I have to type, system("pause");. When I even do the Hello World! program thing the black screen just flashes. I was jw why no one elses codes have this. Its not …

[B]Question:[/B]I ran into a point where it would be very helpful to send a function a portion of an array, instead of the entire thing. Now i can think of a couple work arounds like sending the whole array and a begin number, and range number, then computing off of …

Hi, does anyone know how to set a JFileChoosers default filter back to accept all files after custom filters have been added? Thanks.

hey im trying to make a simple program to calculate backpay and pay rises for my dads business, ive worked out a pseudocode for it, but am having trouble implementing it. BEGIN Salary Increase numberOfBackpayMonths = 5 PRINT “Congratulations! You had a 6.5% pay rise retroactve for five months.” PRINT …

I am new to JNDI, JTA, javax.sql though I am familiar with java.sql I want to access a database (a Derby database) using JNDI lookup and UserTransaction (as I want to learn about Distributed DB Transactions). I am using [b]Sun Java Application Server(SJAS) 8.2[/b] Database: [b]Derby[/b] Directory Services of : …

I am trying to return an array of integers from a method into an array in my main. I know that you cannot pass an array in C, but you can pass a pointer to the array. My problem is though that every time I pass the pointer, I seem …

There is a strange thing going on with my copy of Visual Studio.. the class for ADO isnt there .. what i mean is that i cant use System.Data.ADO it simply isnt there ..what do i need to do get ADO access for my programs (based on database connectivity)

hi, i want to write a code, which helps me to move up or move down the elements inside the list box at the click of command button i have made use of 2 listbox's, one list box if filled with all possibles images, then at runtime user adds or …

hey guys im supposed to write a simple calculator in java. Not in applet. Stack class has already been given and i was supposed to tokenize the input, have a function convert to take it from infix to postfix notation and eval to evaluate it. i have written the code …

Hi all, im gumster new to DaniWeb, been programming vb for numerous years moving to python anyway, Im trying to create a small authentication module for a program im making where it asks for the username and password, i was just wondering how i go about masking the password so …

i always hear about arrays and it makes sence to me but whats a tipical use for them may i pleas see an example because i dont understand why they eaven exisit

Q.Write a function to accept a main string, one search string and one replace string. Replace the first occurence of search string in main string by replace string{assume the length of search and replace string is same). Solution I tried [CODE] #include<stdio.h> #include<conio.h> void main() { char mai[80],search[40],replace[40]; int i,j,k,l; …

I used what's below to delete a directory. It only deletes the directory if it's empty. How could I delete a directory and it's contents? [code] #include <unistd.h> int main() { rmdir("C:\\haha"); return 0; } [/code]

So I have to enter a lot of text for display by Tkinter, and I've been rather miffed that I can't seem to find a way to get Eclipse (PyDev) to do any kind of auto-wrapping. Wrapping the lines myself with [inlinecode]"string1" + \ "string2"[/inlinecode] is, of course, beyond annoying. …

I've been building this program to interface with the Swis ephemeris library. It's working beautifully, except for one thing. OK, I need to be able to specify it to retrieve information about multiple planets, such as longitude, speed, etc. So I have a function that parses the command line parameter …

this is about making a loop for powers stripe3 is the variable how do u do stripe3*10 stripe3 times for example if stripe3 = 5 then my question is how do u do 5*10 5 times because there isnt an opperation in c++ for exponents so i was thinking of …

Ok, so here's the problem: I have a database with tables made with Microsoft Access. I know how to connect to this databse, and retrieve information in the tables, and update the information in the tables. I was hoping someone could help me with the code for inserting new tables, …

What do I need to do in order to get my program to print out two decimal places? [CODE] #include "stdafx.h" #include <iostream> #include <ctype.h> using namespace std; int main() { char movie[50]; int adult_ticket_price, child_ticket_price; int adult_ticket_sold, child_ticket_sold; int percentage_of_gross_amount_donated; cout <<"Enter The Movie Name: "; cin >> movie; …

In my JApplet, I am able to change the background color of the panel but not the currentSurface which is an instance of PaintSurface extends JComponent. Could someone please help me out? Many thanks [code] import java.applet.*; import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.awt.geom.*; public class Tanks extends JApplet …

Hi all i was wondering if any one could help me i have a program i made using wininet in c c++ and my program is not seeing if there is a connections before completing with the execution ive tried to get it sorted but cant seam to figure it …

[code] ; Description: Program to input a character and then output it to the screen ; Registers used: ax, dx .model small .stack 100h .data .code mov ah, 02h ; DOS function call 2, character output mov dl, 41h ; the character 041h (i.e.'A') mov cx, 26 ; start the …

Sorry for the nubbish question , but I'm wondering which function will do the trick-read a char from keyboard without need to press "Enter"???

const char * strstr ( const char * str1, const char * str2 ); char * strstr ( char * str1, const char * str2 ); Locate substring Returns a pointer to the first occurrence of str2 in str1, or a null pointer if there str2 is not part of …

hello what is a far pointer? Recommend me some good books on data structures and algos

I need to create a little assembly app for arm cpu which reads two 32 bit numbers from the address which register r0 points out. Then it compares absolute value of those two numbers and puts them back to those same addresses the way there's number which absolute value is …

Hey all~ I'm very new to VB.net infact i've only been so far through 2 classes but I'm still going. My personal Project that I'm doing is a simply display with some buttons that when you click on them that link to an exe file on my desktop. I've gotten …

Okay, thanks ahead of time for looking at this. First off the program is in C, not C++. I am trying to read in from a text file... a certain question.... but i fairly suck at programming in C. I have a file pointer set up and i have it …

I can't find this typing error. Somewhere on Line 44. [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Weight extends JFrame implements ActionListener { private JButton button; public static void main(String[] args) { Weight frame = new Weight(); frame.setSize(400, 300); frame.createGUI(); frame.setVisible(true); } private void createGUI() { setDefaultCloseOperation(EXIT_ON_CLOSE); Container window …

where can i download C++ PLEASE? CAN YOU HELP ME?

[color=#3333FF]presenting here a program fragement of my project two files mainn.txt mp.txt format i have given at the end of this code the problem is that while printing mp.txt the output is not in format as i expected [/color] [code] [color=#33CC00]DF: 1 SA: 2-2 DA: R1 D: 3 SA: R1 …

hi everybody, how to draw shapes like(rectangle,circle)in VB.NET on the form load itself.... rather than using button_click or other things... plz do send me the code...

I get a tip of $8.0 when I want $8.4. What am I missing here? [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Tip extends JFrame implements ActionListener { private JButton button; public static void main(String[] args) { Tip frame = new Tip(); frame.setSize(400, 300); frame.createGUI(); frame.setVisible(true); } private void …

i have a string array and I need to change it to uppercase. what function can I use??

Hello,,, I am creating a screen call (Contacts information) for my project using VB.NET where i want to add picture box contanin as(defualt picture) and button when click in it appear browse picture where you can select the picture you want and appear in the picture box. can any one …

Hi everyone! My name is Ricardo and i'm having a few problems with a program i'm writing. The program should deal with products information, i'm doing it using a structure, two procedures and a main function, the purpose is so that in the first function, designation of the products should …

Hi! First of all, im from sweden so my english isn't the best :!:.. I read a guide "How to make a simple login page" ..(something like that) But i need help with my languages(aspx,C#,sql2k5) The problem for me is how to make the SP for checking if Username and …

Hello again to good ol' DaniWeb. Again I'm stuck. I'm a newbie when it comes to C++. I was given an assignment ([B]ATTACHED[/B]), which I'm having problems with in the first part of [B]Menu Choice A[/B] section. I'm only that far, and haven't proceeded further. I've coded the following (with …

Background: > An n x n matrix that is filled with the numbers 1, 2, 3, ... n squared is a magic square if the sum of the elements in each row, in each column, and in the two diagonals is the same value. Write a program that reads in …

Hello everyone, Does anyone know how to write a source code for 3x3 determinants. I was given that for my C++ final exam and didn't know how to do it. I could only do the 2x2 determinants and that's what i put down. Any help is greatly appreciated. thanks

please suggest me how to position my output in tc++3 like [COLOR="Blue"]sa[/COLOR]:1111 [COLOR="#0000ff"]da[/COLOR]:112212 [COLOR="#0000ff"]d[/COLOR]:4 i want that irrespective of the length of data after [COLOR="#0000ff"]sa[/COLOR] or [COLOR="#0000ff"]da[/COLOR] the distance between[COLOR="#0000ff"] sa da d[/COLOR] should be constant

Hey, does anyone know what inteface is needed to listen for a file being loaded into a jtextcomponent. Thanks.

for example.. number.txt: (has these contents) 1.75:2.00:3.00 2.00:5.00:7.24 3.00:6.35:1.00 -- my source code is.. [code=c] #include <stdio.h> int main() { FILE *infile; double a, b, c; char d; double sum; infile = fopen("number.txt", "r"); if(infile == NULL) { printf("number DOES NOT EXISTS!"); } else { while(!foef(infile)) /*here's my problem*/ { …

Ok, so I am trying to re learn c++ and the first thing I wanted to do was make a simple class for a circle (calculate the area and circumference of the circle). When I tried to compile it I get this error: [CODE]11 conversion from `Circle*' to non-scalar type …

Hi, it is pretty much my fault for procrastinating, anyhow.. I need to get the best grip for this language in about 2 weeks using Microsoft Visual Studio 2005 Professional. I need to get comfortable with both, I have experienced with Java but still pretty much new... I know objects, …

HAI I HAVE ERROR IN RUNNING THIS PROGRAM I HAVE COPIED THE MAIN.H AND STRING .H. PLEASE GIVE THE SOLUTION AS SOON AS POSSIBLE CODING /* $Id: main.h,v 1.69 2005/01/18 06:19:46 prahl Exp $ */ #if defined(UNIX) #define ENVSEP ':' #define PATHSEP '/' #endif #if defined(MSDOS) || defined(OS2) #define ENVSEP …

My code is below. I'm pretty sure my issues are spanning my my .resize(). It's possible I'm doing my hashing completely wrong too, but it was right at one point. This code wont run at all right now, but it compiles. Is there a better way to go about sizing …

for example.. number.txt: (has these contents) 1.75:2.00:3.00 2.00:5.00:7.24 3.00:6.35:1.00 -- my source code is.. #include <stdio.h> int main() { FILE *infile; double a, b, c; char d; double sum; infile = fopen("number.txt", "r"); if(infile == NULL) { printf("number DOES NOT EXISTS!"); } else { while(!foef(infile)) /*here's my problem*/ { fscanf(infile, …

I want to be able to use scales to let the user answer various questions on screen. However, though I can get scales to work fine in other programs, in this one in particular they seem to have bugged out. What's happening is that, if I set [inlinecode]showvalue = False[/inlinecode], …

Hi all, someone can tell me where i can find an example of this kind of signal handler? i try to use fenv.h but on cygwin doesn't work (cygwin don't have it) and this program must run on cygwin and on solaris. i try also with SIGFPE, but when i …

Hey guys, I'm stuck again. The program is supposed to get the estimated population after n years using the equation P + (B*P/100)-(D*P/100) and the growth rate using B-D. Here is what I have so far, but I can see I'm going to be getting stuck. How can I set …