Software Development Forum

Hey guys, I have one stupid problem with the return value of one function... this is my code: [CODE=Java] private boolean check(String mail, int N){ // mail = The mail // N = The sum of the characters before the @ and including it him if(mail.substring(N) == "hotmail.com" || mail.substring(N) …

Hello all, I have written a program that stores randomly generated numbers between 0 and 19 into an array of 100 elements. I create a frequency array of 20 elements that shows the frequency of each number and print it's histogram. Now, I'm suppose to increase the frequency array by …

Hi all ! Can anybody tell me why the following code is not copying the file from source to destination? Thakns in advance........ use File::Copy; my $source="C:\\shared\\8.4.1\\DXSI"; my $dest="C:\\r45"; my @files; my $file; opendir(DIR, $source) or die "can't opendir $source: $! \n"; @files=readdir(DIR); close DIR; foreach $file(@files) { print "\n …

I have an input box in my program and I want to be able to control the flow when the 'cancel' button is pushed. Any help would be appreciated.

Hi, I have some experience with C++ and FORTRAN. I would like to write software to help me visualize shapes in a GUI-based program. Where is a good place to start? Books, websites, etc that would help me get an idea of what is needed would be good. Thanks!

Hello daniweb. I'm working on a Poker Holdem Application and I'm trying to work on a view/jframe for it. Everything was running smoothly until something weird happened. After deleting an old hand-coded MainFrame which extends JFrame file, I tried to create a new MainFrame/JFrame file but this time using netbeans …

Dear Friends, i have developed a software which have Mdi contianer, the problem is that, 1. when i click on the empty space of the main form i.e (Mdi container FORM) all other windows goes behind this Mdi container window *I would like then to stay on top of the …

Does anyone know how to change the colour of strings using x86 NASM Assembler? I've found tutorials like this: [CODE] mov ah, 09h mov al, 97 mov bx, 100b mov cx, 01h int 10h [/CODE] Which prints the letter "A" once in the colour you choose. This is a handy …

I am migrating scripts from UNIX server to a Linux. In the perl script it calls rcp to transfer files. It worked ok in UNIX but not in Linux, which has scp, I dont want to do scp now as this is a temporary Linux Box I am using. I …

Is pass by value and call by reference the same? I mean i know theres no call by reference in C but there is similarity int he output of the two isn't it? why do we use call by value and pass by value? what are its uses?

I wonder something about finding a specific character in a string. What I am trying is to find "*" and if that character is found in the string, I will write "Found" to a file. When running the code below. All this is happening but the same thing is happening …

im just so stressed and having a mind block.. i have code please help [CODE]#include <stdio.h> /*pre-defined processor statements*/ #ifndef __OPERATION__ #define __OPERATION__ #define TOTAL 0 #define ADDITION 1 #define SUBTRACTION 2 #define MULTIPLICATION 3 #define DIVISION 4 #define MODULAR 5 #endif int main() { /*assign the variables*/ int num1 …

hi i have a question about formatting combo boxes. i have 1 combobox on the form with a label and a calculate button, the combo box is layed out like this 180 / 50 like a tyre size. The calculation to be performed is the 1st number X the 2nd …

I have a shopping cart page where if an item is Real Estate Forms 2d then there will be a sales tax assessed. If it equals any other item there will be no sales tax assessed. The problem I am having is I can't get a sales tax assessed for …

I have already completed my hex to integer conversion function which works properly with the provided driver. However, my integer to hex function gets stuck in an infinite loop and I have no clue why. The red section of my code is the function which is giving me problems. Everything …

Hi!!! I am using following code in which I am generating the latex format. Here I want to use the combination of characters[A-Za-z], numbers[0-9] ,special charactes(like π ,θ ,α ,β ,γ ,°,+, - ,×,÷,√ ,(,)etc) ,decimal numbers. For entering special characters I have used toolbar Can anyone tell me how …

My code so far opens a text file in a particular format and reads in the data into a structure called salesRecord. There is no problem there. The problem arises when I write the data to a new binary file. Here is the structure: [code=CPP] struct salesRecord { int custNo; …

I have been coding for a little bit in VB mostly and decided to try C right all is dandy until I try using a function I am getting a conflicting types error in function encrypt here is my beautiful code [CODE]#include <stdio.h> #include <stdlib.h> int main(int argc, char *argv[]) …

how to i use master & detail table concept using datagridview in c#.net.

I encountered some code at work that got me thinking. There was a util - class that had some methods that had nothing to do with the state of the class. They were all "util" methods. Meaning that they could all be declared static with [U]no[/U] problem because the only …

I've written a program like the follow: [CODE]int main () { . . . . ifstream file1; ifstream file2; ofstream simiralities; simiralities.open("P(0)_P(1).txt", ios::app); file1.open("test1.txt", ios::in); while (!file1.eof()) { . . . file2.open("test2.txt", ios::in); while (!file2.eof()) { . . . . } file2.close(); } simiralities<<number; file1.close(); simiralities.close(); return 0; }[/CODE] the …

Can anyone tell me how can I enable one and only one whitespace to be entered in the textbox such that user can press spacebar only once while entering the string in the textbox and not more than once........... Kindly provide me some solution.............

hi, can any one tell me how to autocomplete a textbox using mysql database's data in c# .net 3.5 & how to use one form's value to other forms in windows application in c#.net & how to use master and details table concept here using c#.net. please help me......

Hi , I want to know, how to implement vtable in C. This is achieved through virtual functions in C++. I feel we need to do what c++ compiler internally does, But i am not sure on the entire implementation. Thanks.

I am currently having problems with my getline in main. Whenever I use it, it prints out the last word in my input file twice. I do not know how to get rid of it. Any help is appreciated. [B]Input file:[/B] noon dog race car cat mom bob [B]Current Output:[/B] …

hi there, i just want to know what data type i need inorder to store a binary word eg. 10010111

[B]i enter text into a text box, when i move to the next textbox, the text i entered in the other text boxe disappears.....this started when i run form after linking my text boxes with the necessary database items.. i used an adodc for connection. before connecting the textboxes i …

VB.NET 2008 Express, ACCESS Db 2007 Ok I have a program that contains a datagridview control linked to a database and i want to be able to search through every field via a ButtonSearch for a match of the search term - search term is entered in a text box …

Hi guys , In Visual Studio 2005 I compiled the following code [CODE] int main() { float a; a=0.1; if(a<0.1) { printf("C\n"); } else { printf("C++\n"); } } [/CODE] I was very surprised when I saw the output C++ . I got the warning C4305 :" '=' : truncation from …

I'm having a problem sizing down this block of code: [CODE] if POS == 1: POS1 = "->" else: POS1 = " " if POS == 2: POS2 = "->" else: POS2 = " " if POS == 3: POS3 = "->" else: POS3 = " " if POS == …

hey i m reading about pe format but there something that i don't get RVA in documentation it says it just like a temp for addressing memory in other sections ok and it's just a DWORD what if there are many temperoralily variables wouldnt that overflow the that RVA value …

Hi everyone, My program is doing what it suppose to do, except that it generates a loop with the answer. ... ERROR in uniform.discrete_uniform(): a=100 b=99 ERROR in uniform.discrete_uniform(): a=100 b=99 ERROR in uniform.discrete_uniform(): a=100 b=99 ERROR in uniform.discrete_uniform(): a=100 b=99 ERROR in uniform.discrete_uniform(): a=100 b=99 ERROR in uniform.discrete_uniform(): a=100 …

I need to display the loan table with the annual interest rate, monthly payment, and total payment for the number of years entered. When I run my program, it only displays the info for 8%, when I need to display all interest rates from 5% to 8% in increments of …

I am making a poker game using pyGTK. My problem right now is that the other players won't let me play! Each player has a function for betting and they go in order such as amandaBet(), playerBet(), billBet()... where player is you. Since this is a GUI game, I am …

Hi!!! I have made a window application Form in which there is a textbox in which I am entering string of data. Also there is a toolbar for entering symbols which are not present on keyboard. Now for entering each symbol in textbox i have used :[CODE]textBoxEquation.AppendText("÷"); this.textBoxEquation.Focus();[/CODE] but problem …

Hi all, I plan to make a PRACTICAL dictionary and need help on just ideas. basically you can use dict datatype for simple dictionary and use dicy->key to retrieve but does that work for larger data queried from database? Or should I implement a database of key --->value? Any Idea …

I am able to build a logic which does exactly how I want it to work but when I add more records there are some problems in flagging. Here is the example:- when my input is : [CODE] mymm.insert(pair<char,int>('a',50)); mymm.insert(pair<char,int>('b',100)); mymm.insert(pair<char,int>('b',150)); mymm.insert(pair<char,int>('b',200)); mymm.insert(pair<char,int>('c',250)); mymm.insert(pair<char,int>('c',300)); mymm.insert(pair<char,int>('d',300));[/CODE] output is correct :- [CODE]single …

This is a working program. But there is a logical error. Try this with the calculator: Press 2,M; Press R,*,2; Press R,*2; The output in the same order must be: 2 2*2 = 4 2*2 = 4 but the third one outputs 88 instead. M stands for Memory, it stores …

Dear ALL, Could you tell me how can I do this kind of question if I do not working with the computer and please find the attached document for your reference - it is the answer of the question? [code] Complete the table below to show what each variable holds, …

WHAT i want to happen is, when i click the CALCULATOR menu item, my separate Calculator.java will run on the MenuShortCut JFrame. AGAIN, i want the separate .java file to appear on THE SAME JFrame of MenuShortCut class. here's what i've got [CODE=java] import javax.swing.*; import java.awt.event.*; public class MenuShortcut …

Hi, The database on MS-Access is kept on one machine and i have to access it from another machine.. I have given the following connection string on the client machine. But still it is not accessible. I have shared to Databse folder with full permissions... But, still it is not …

Hi, I am use following code to find IP address of machine in C#.write following code in class file. when build the solution it gives following error 1.The best overloaded method match for 'string.String(char*)' has some invalid arguments 2.Argument '1':cannot convert from 'string' to 'char*' How to solve this error …

Ok trying to work with zipFile library how do you flatten the file hierarchy what works [CODE] zipFile = zipfile.ZipFile(imgSetup[0]+'/'+zipName, 'w') for picId, pathname in enumerate(pic_list): if start <= picId and picId <= end: zip.write(filedir+'/'+pathname) zip.close() [/CODE] what i am trying [CODE] zipFile = zipfile.ZipFile(imgSetup[0]+'/'+zipName, 'w') for picId, pathname in …

getting error when compiling. "java:60: non-static variable inventory cannot be referenced from a static context for (String show : ProductDB.inventory)" the showCodes class has to public static void. Here is code [CODE]import java.util.*; import java.text.*; public class ProductApp { public static void main(String args[]) { // display a weclome message …

I'm trying to implement a Visitor Pattern in c++, but I'm having problems with the elements being visited in turn having their children visited. For example I have a class Element, which has a vector of Nodes (can be elements or any classes that inherit from node): [CODE] class Element …

I'm having trouble getting my dynamic 2d array to work consistantly in my program. Here's the code: [CODE] #include <iostream> #include <string> #include "DisjSet.h" using namespace std; struct cell { bool nWall; bool sWall; bool wWall; bool eWall; }; void CreateMaze(cell** &maze, int x, int y); void LoadMaze(cell** &maze, int …

So I have a couple strings [code]first = input("Enter a starting integer: ") last = input("Enter an ending integer: ") last = last + 1 [/code] How do I make another assignment to a string "n" that I want to take the value of each individual integer in the range? …

write a program that uses a for statement to find the smallest of several integers. Assume that the first value read specifies the number of values remaining and the first number is not one of the intergers to compare.pls help me i need it now!

it keeps on saying '{' token error. did I put something wrong that the program keeps on saying '{' token error? [code] #include <stdio.h> #include <math.h> int Calendar(int daycode,int year,int leapyear); void dec_bin(int bin) { int x, y; x = y = 0; for(y = 7; y >= 0; y--) …

Hey guys. This is really frustrating because it seems easy but I can't seem to find the correct function to remove this element of my string. [code] void set::display() const // pre : none // post : displays the elements of this set enclosed in braces and // separated by …