Software Development Forum

Hey guys, i needed some help with this encryption-decryption program that i am trying to write, as you will notice, i am not very skilled or experienced but i want to grow naturally, so it would be great if you guys could point out the mistakes rather than suggest smth …

[CODE]#include <iostream> using namespace std; int main() { double firstNo;// first number is stored here double secondNo; double result;//variable for result when first and second number are operated upon double operation;// place to store the user's inputed operation // asks the user to choose the first number cout<< "Enter in …

I'm having trouble trying to update or delete records from my database. Basically, I have a datagridview(DGV) in my form and the following is what I wanna do. The user could directly change/edit the values in the DGV and just click the update button to update the database. And the …

Where do I find the System.Numerics namespace, with things like BigInt and Complex? Just installed Visual Studio 2010 Professional. Google did not make me happy:'( Any help, is as always, much appreciated.

Hi, I'm mechanical engineering graduate student in Portugal. I'm familiarized with c++ but I've been having problems with the windows forms. I'm trying to make a form that would compile diferent data with inviscid fluid flow formulas but I've got one major problem. I've done hundreds of google searches and …

Hi! Please, explain me why JTextField: txtFirstName and JTextField: txtLastName are not visible on my JPanel: panfortab?! I can see only JTable: tableDetails. [CODE] private void createBaseRight() { JPanel panfortab = new JPanel(); panfortab.setBounds(330, 150, 650, 795); panfortab.setVisible(true); panfortab.setOpaque(true); panfortab.setBorder(bord); FilterClass fc = new FilterClass(); fc.setVisible(true); panfortab.add(fc); pan.add(panfortab, "Right"); // …

Hello everyone. I am experienceing some rather strange behaviour regarding the instantiation of an object. It's a templated custom array type object, something like this. [CODE] template <class T> class Array { public: // Construction/destruction. Array( void ); Array( unsigned int size ); Array( const Array<T> &array ); ~Array( void …

i am doing a problem.the problems was that what do the following code prints class printing{ public static void main(String[] args){ for(int i=1; i<=10; i++) { for(int j=1;j<=5;j++) System.out.print("@"); System.out.print(""); }} This code prints infinte "@" and after some second the printing starts to slow down. when i do through …

Please, somebody help. I need to transform xml into xml with xsl. it´s urgent. the attach files are the input in XML and output is what the prof. want. Help-me please Corin thanks

I need to use document.write() in XSL. Will it work ? Please help

Hello, I can't seem to get this program working. I was asked to write a program that merges two files that contain polynomials. To merge two files, the input files must be in sorted order. The merge operation repetitively selects the smaller value from the two files. When two sorted …

<action path="[COLOR="Red"]/[/COLOR]sample" forward="[COLOR="Red"]/[/COLOR]example" /> Help me to know why the highlighted '/' are used @ the starting of the code itself

hello friends, this is my attempt to execute an external cmd file through java and get the output printed to a text file while the program is running (not after the program has ended), since I need to do some real time manipulation for depending on the program output. [CODE] …

Can anyone help me on how to display my infix notation with parentheses? 4+3 should be displayed as (4+3) also, my code only works for simple expressions like 4+0, it can translate the infix,prefix,and postfix correctly, but when the expression grows, for some reason, its outputting the incorrect notations for …

I wrote a very simple vector class to call level 1 BLAS through MKL, [CODE] #include<mkl.h> #include<stdexcept> #ifndef _x_matrix #define _x_matrix class xVec{ private: double *v; int n; public: xVec():n(0),v(0){} xVec(int a):n(a),v(new double[n]){} xVec(int a, double c){ n=a; v=new double[n]; for(int i=0; i<n; ++i) v[i]=c; } ~xVec(){if(v) delete[]v;} double &operator()(int …

Hej guys! I have a little problem with layouting Swing components. I just need to add JTree: tree to the UPPER corner of JScrollPane: scrollpanesearch, and 4 buttons to the BOTTOM corner. What I have now is JTree: tree on the LEFT, and 4 buttons on the RIGHT (see Figure …

Good afternoon, I've got an assignement where i need to set up a parent class and a child class with .cpp files. When I try to call the a function in the child class i get and undefined reference error. I'm able to initialize this class using the default constructor …

i want that program

Hi you can customize it the problem is that when i put 5 it say to low then when i put 6 it say to high or any numbers pls help me.. [CODE] #include <iostream> #include <cstdlib> #include <ctime> #include <conio.h> #include <cmath> using namespace std; char ans; int main() …

[CODE]//************************************************************************************ // // This program keeps track of speakers' bureau. // It displays a menu, where the user can add info, // view the info of another speaker that's already in there, // and etc. //************************************************************************************* #include "stdafx.h" #include <iostream> #include <iomanip> #include <cstdlib> using namespace std; //************************************************************************************** // function …

Hello all, This code works fine on my Win XP machine, but not on Win2k. I have tried overriding the webrequest function in Reference.vb with [code=vb.net]Protected Overrides Function GetWebRequest(ByVal uri As Uri) As System.Net.WebRequest Dim webRequest As System.Net.HttpWebRequest webRequest = CType(MyBase.GetWebRequest(uri), System.Net.HttpWebRequest) 'Setting KeepAlive to false webRequest.KeepAlive = False GetWebRequest …

Here are 3 integers and 1 bool. [CODE] int a; int b; int c; bool bHasChangedValue; [/CODE] The boolean value bHasChangedValue depends on the value of b changing. If I update b each frame [CODE] public void Update() { a = b; b += c; bHasChangedValue = a != b; …

I am create one program that contain two combo boxes. If first combo box i am display all date. If i select one date from first combo box then the second combo box display some dates based on first combo box select date. Here is my full program [CODE] import …

I can't seem to figure out whats wrong with my logic for the is it a function or not area. I used the following given test with the correct output: f(1) = 1 f(2) = 4 f(3) = 3 f(4) = 1 f(5) = 1 This function is a valid …

I want to validate username and password i.e.I created a table with two variables username and password in sql. I want to match table username and given username as well as for password. If those matches then only it should login. Please help me with the code sir

Hello guys. Is there any command or function, which allow me to change my screen's color, when i start the program ? Thanks

Hi Everyone I need a syntax for update statement LIke this: cmd.CommandText = "UPDATE tab(tab_id,tab_name) SET tab_name=@tname WHERE tab_id=@tab_id"; this one aint working ,Somebody please help. I have two textboxes tab_id,tab_name I have to Update tab_name based on tab_id,...when i Click content of datagridview then I will get the content …

The program initially asks the user to insert the secret sentence and the encryption code (an integer number in the range 1-100). Then, the program calls a user-defined function void encrypter (char *, int) that accepts the string pointer and the encryption code. The encryption algorithm is based on the …

hello everyone!!! i have a problem in keeping the value of my combobox, i have a form with a combobox, what i want is when i select from my combobox, it will retain or keep its text value even if i close the program, the combobox will only change the …

Hi all, I am student and in two days I gine exams Java. I need your help to understand the below exercise. I have to explain all the lines from class RunParent [CODE]class Parent { double value = 0; public Parent() { value = 1.0; System.out.println("Parent value " +value); } …

Help!! how do you do this in turboC? when i add a space it doesnt show the following output example: [CODE]char name[50] printf("enter your name: ); (user input example is: Boris Ilyanovich Karpov) scanf("%s", &name); printf("%s", name); (the output is just: Boris) [/CODE] how do i get the following Ilyanovic …

Hi all, I have a multithreaded program, one of the threads needs to listen for user input. I was wondering is there a way of checking for user input every few seconds or milliseconds, without having the thread hang on a fgets() function? Current I have: [CODE] while(keep_running == TRUE) …

hi i am a begginer in java and i neeed help in completing this program...

Hey all I have this program that is supposed to output a stickfigure. I got this from my game programming elective class (which I now regret enrolling to) and the professor told us to work on it in a way that the class called "example" with the function render should …

[CODE]#include <iostream> using namespace std; int main() { int numbers; numbers = 2; while (numbers <= 1000); { if (numbers % 2 ==0){cout<< numbers;}; if (numbers % 3 ==0){cout<< numbers;}; if (numbers % 4 ==0){cout<< numbers;}; if (numbers % 5 ==0){cout<< numbers;}; if (numbers % 6 ==0){cout<< numbers;}; if (numbers …

Hi. I am creating a program for class that can be used to gather statisctical data about the number of movies college students watch in a certain time frame. I have to find the average, median and mode and show this in the output. I am able to get my …

Hey guys, wasn't sure where to post this but i posted it in both categories. Converting the for loop is probably the most confusing for me especially the arrays. Hope you guys can help me out, thanks. [CODE] #include <iostream> using namespace std; int main() { int Function[10][2] = {0}; …

Hey guys, wasn't sure where to post this but i posted it in both categories. Converting the for loop is probably the most confusing for me especially the arrays. Hope you guys can help me out, thanks. [CODE] #include <iostream> using namespace std; int main() { int Function[10][2] = {0}; …

I have this program I'm trying to write, a simple application with gui: a menu and a button. Whenever I go to run it, this is the error I get: Traceback (most recent call last): File "/Users/[I]myname[/I]/Documents/School/Programming/Window.py", line 27, in <module> app = Application() File "/Users/[I]myname[/I]/Documents/School/Programming/Window.py", line 14, in __init__ …

Good afternoon, Does anyone know whether it's possible to have more than one overloaded ostream in a class? This is for a time class that i've created however it ouputs data like this 12:12:12:AM, i'd like to use the same ostream operator to output military time 14:12:12, however when I …

I am new to this whole programming thing. I am currently using python 3.2. I want to get into trying to build GUI, but i can't find any programs that seem to work with python version 3.x. Should I downgrade to an earlier version of python? If so what is …

This is my array: pieces[2][1]=new Pawn("Bpn1"); pieces[2][2]=new Pawn("Bpn2"); pieces[2][3]=new Pawn("Bpn3"); pieces[2][4]=new Pawn("Bpn4"); pieces[2][5]=new Pawn("Bpn5"); pieces[2][6]=new Pawn("Bpn6"); pieces[2][7]=new Pawn("Bpn7"); pieces[2][8]=new Pawn("Bpn8"); pieces [1][1]=new Rook("BR1"); pieces [1][2]=new Knight("BN1"); pieces [1][3]=new Bishop("BB1"); pieces [1][4]=new King("BKing"); pieces [1][5]=new Queen("BQueen");; pieces [1][6]=new Bishop("BB2"); pieces [1][7]=new Knight("BN2"); pieces [1][8]=new Rook("BR2"); pieces[7][1]=new Pawn("Wpn1"); pieces[7][2]=new Pawn("Wpn2"); pieces[7][3]=new Pawn("Bpn3"); …

I am reading code out of a txt file which contains text in this format.. [text file] Name of Project Experiment One cows, dogs, pigs, horses, sheep, goats 1,1,1,1,20,10 cowweight,dogweight,pigweight,horseweight,sheepweight,goatweight 560,50.5,54.3,641.1,35.4,42.5 deer,elk, moose 2,4,5 etc... [text file] I am trying to read in the numeric values to use for a …

Hi all, I am currently working analysising silicon pixel detectors for the LHC at my university. One thing i have to do is to find clusters of signal in a silicon pixel detector. I have directory of macros which handles the data and getting it ready, not important. My goals …

Sorry for the newbie question, but what are header files? What should they contain? Just classes and definitions?

I need to write a function that takes in an array of integers and an integer, checks if the sum of any of the numbers in the array is equal to the supplied integer. Any ideas would be much appreciated.

Hi well recently i have had people IE parents and brothers reading files on my memory stick, reading my homework personal files and saved chat history. i worked on an application to stop them. I'm fine with the password part but what i'm stuck on is if the password is …

I am still learning C# so I am sorry if I do not use the correct terminology. Here is what I am trying to do. I have the following code that I use to check to see if an instance of a form already exists, and if it does show …

hi, how can i change the interface background and the appearence of the interfaces in C#. for example how can i add themes to the forms in C#

I want to draw three circles within a pentagon in C++. I also want to give random movement to one of the circles within pentagon. Can anyone tell me the code alongwith the required header files for drawing this. regards