Software Development Forum

Hi, i have this letters, A,R,V,G,M,N,B. And from those i need to get 4 of them randomly, bit i dont know how to do it, please help! :D

Hi all, FYI im really new in Java.last time my project was in C but suddenly my supervisor changed to Java.i got the code from him (see below).wanna ask u guys how to learn Java and these means? Lastly, how to create dropdown menu? [CODE] import java.awt.Color; import java.awt.Container; import …

I have to write a multiple choice program and the following code is as far as i've gotten. It's coming back with invalid answers and I'm not sure where i'm doing it wrong. You’ve been asked to write a program to grade a multiple choice exam. The exam has 20 …

I need to write a program that asks for the input of variables and one variable must be entered as "?", but I cannot get the program to use "?" at all. Also, I don't know how to create a driver function. Once I get the "?" input working, will …

it works but instead of it reverseing the characters i want it to do this "This is a test.” should be reversed to read: “test. a is This” i want it to do all this in a text file [code]import java.io.*; import java.util.*; public class reverse{ public static void main(String[] …

I need to check the income for a particular department for a certain period of time. My inputs are the two dates between which the income has to be calculated,and the department name,the department name is the primary key for my table I need to show the transactions for the …

When i try to log in i keep getting this error and i dont have a clue what it means the code i used is below along with the error message: code - Dim dr As OleDbDataReader = cmd.ExecuteReader error - Syntax error in FROM clause

Hey guys and gals. Like I said in my last post I am in college. Well I wrote a program and a friend who majored in computer science said that my program will work... Well it does but doesnt do like I want. I am in need of advice using …

hi everyone! need help in using all the listbox contents for filtering a datagridview2 (that is binded with an access database) my code is as follows: [code] Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim tables As DataTableCollection = VPC_DatabaseDataSet.Tables Dim view1 As New DataView(tables(4)) …

Below is the code I have for doing this but something is really wrong . Filenames is the container I am using. Filename is a string. [CODE] void SaveFileName(){ ofstream out; out.open("..\\..\\Bush Breakout 3D\\Exe\\Level\\filenames.txt",ios::out | ios::app | ios::binary); // out.seekp(0,ios::end); int size = Filenames.size(); for(int i = 0;i < size;++i){ …

Trying to finish my program for binomial coefficients. It compile but it keeps giving me 0 which is not correct. I think it may be a problem with my for loops but I can't figure it out. Here is the pseudocode: [CODE]/* pseudocode for Binomial Coefficients */ int binomial(int n, …

hi guys, i'm frustrated at my piece of code for a heap sort function. i believe everything is correct but i am a hardcore beginner at c. i have made a rand.txt file with some floats in it in the form; 91.175598 68.562500 96.664803 29.593500 43.156502 34.241001 59.178200 85.542702 81.852798 …

hey, I've just joined daniweb - usually just search around on the net till i find solutions to coding problems but this time i'm stuck.... probably a simple problem but nonetheless... Anyway, I'm making a program that connects to an access database, retrieves data and the data is taken into …

please help me about this program...i dont how to sort the even numbers inputted. [CODE]import java.io.*; import java.util.*; public class mp5{ public static void main(String[ ]args) throws IOException{ BufferedReader br=new BufferedReader (new InputStreamReader (System.in)) ; int num=0,sum=0; String snum; System.out.print ("Enter size of Array: "); snum=br.readLine( ); num=Integer. parseInt( snum); …

What is wrong with the following code segment? [CODE] const int limit = 100; int eprep[limit]; int examp[limit]; for (int index = 0; index <= limit - 1; index++) { eprep[index] = 0; examp[index] = 0; } if (eprep == examp) cout << "Equal"; [/CODE] At first I thought it …

Hi there, could anybody tell me how to compile a program and run it using Visual C++ 2005? This is what I have done: -File, New, Project; -In the menu, I choose Win 32 and then Win 32Console application; then I give a name to the project and save that …

Okay, I've been working on my own version of a Date class and I had it working before but thought I'd try to revise the code a little at a time, after reading "Effective C++: Third Edition" by Scott Meyers I'll start with the code as I'm not too sure …

I should do programme in C , but I don 't know witch struct I can use.:( question : we have congresse , where there is 2 type of activities : activity 1 and activity 2 in each one there is many activities where many people are linked in :( …

I have created a icmp ping function but it doesn't always work due to the firewall of the computer I am trying to ping. I heard you can get around this using a tcp ping. How can i construct a tcp ping packet. I did a little research and it …

I did a project last year in VB for image processing, basically link to a folder, load an overlay and loop through the folder overlaying a watermark. I now need to get the same thing running in python to cater for cross platform use. I have translated all the image …

Hi all, for the following string I want to search a pattern The string is lcpstr = "2008/03/25 log:true lcp: 78888 -> 100 lck=0 to=900 un=5840 l=0 BMN" If I take the pattern as "lcp: 78888", pattern checking is successful when I give the following statement: temp = re.search("lcp:"+" "+'[0-9]+'+" …

What I'm working on is a video rental project in visual basic 2008. I have a local database which contains info on DVDs, Members and a table for current rentals. [B]The columns i have in the current rentals table are:[/B] MemberID | DVDID | DaysOnRent | DateRented | DueDate | …

What is the side effect in the following function? [CODE] int ExamPrep (int param1, int& param2) { if (param2 = param1) return param2; else if (param2 > param1) return param1; else return param1 * param2; } [/CODE] A side effect is defined as the result of an operator, expression, statement, …

This is the question i was given --------------------------------------------------- Here is a program that prompts the user to enter a student’s marks, and then prints out whether they have passed or failed a unit. '''calculate a students grade given their final mark''' def calcFinal( asg1, asg2, exam ): final = asg1 …

I'm a newbie so please be patient... :) [CODE]def canvas(self): import qt self.setCaption('My Canvas') c = qtcanvas.QCanvas(self) # <- gives the canvas a parent QObject c.resize(315, 207) v = qtcanvas.QCanvasView(self) v.setGeometry(QRect(200,590,321,211)) lay = qt.QVBoxLayout(self) lay.addWidget(v) v.setCanvas(c) l = qtcanvas.QCanvasLine(c) l.setPen(qt.QPen(qt.Qt.black)) l.setPoints(10,10,390,390) l.show() v.show() c.update() l1 = qtcanvas.QCanvasLine(c) l1.setPen(qt.QPen(qt.Qt.red)) l1.setPoints(20,60,10,230) l1.show() …

Hi everyone, I am new to Java and more recently Swing. I was wondering if anyone would be able to show me a way of inputting a value into a text box, and being able to use this to calculate a sum for example. Also I am interested to know …

Can someone help me with error trapping. For instance, if I asked the user to input only a numeric type, 0-9. Then how would I go about creating an error message if the user inputs "hey." I know that I could easily use the Try, Catch statements but I want …

[CODE]include <cstdlib> #include <iostream> #include <iomanip> #include <stdlib.h> using namespace std; void printintromessage (); void getUserInput (char& Y); void printplayerinfo (const int& numofgamesinseries, const int& numofplayersonteam, int& i, int& j); int main(int argc, char *argv[]) { const int numofgamesinseries = 3; const int numofplayersonteam = 4; int i,j, score[numofgamesinseries][numofplayerson… char …

Hello Everyone, I am trying to extract integer values from 2 int variables i have created in my database table "mytab". The data or table values i have extracted on console and its working fine. But i want to use the values as x,y coordinate for my label i have …

i have 2 list contaning 4 element i must create 2 new list which contain 2 element 1st new list must contain an element from each original list 2nd list must also contain 2 element apart those of the 1st new list

Hey Guys, So I am working on a program in class that asks for the age of your dog and translates it into human years....needless to say overly easy and boring. So I want to get into adding sprites to C. My first question is where I can find some …

I need to bit reverse 8-bit integers. eg 208 (11010000) becomes 11 (00001011) This works but it's too slow: [CODE] private short MyReverse(short a) { int[] order = new int[8]; for (int i = 0; i < 8; i++) { if ((a & Convert.ToInt32((Math.Pow(2, i)))) != 0) { order[7-i] = …

I have to get three pieces of information from the files i have 1. The name of the owner of the file which appears after the pattern tag <foaf:name> 2. The ID of the owner of the file which is embedded in the filename, e.g., http%3A%2F%2Ftalk.ie%2Fvbulletin%2Ffoaf.php%3Fu%3D12 belongs to user 12. …

Hi I'm doing a project where I need to have people register by entering a username and password. When they click register I want them to be added to the database, but I'm having trouble doing this. Can anyone help? This is my first time using VB. This is the …

ok I had looked on the internet and found one form of running an exe file from a py script, i goes like this. [CODE]import os os.system("c:/windows/iexplore.exe") # Or wherever it lives[/CODE] Problem is, whenever i run the script with the appropriate path loaded in, i get the following: [CODE]Traceback …

I am not sure what this means and I get it all the time. Can someone help me fix this code? [ char add_account(account_t a[]) 7 { 8 int i, N=1000000; 9 char ch; 10 char str1, str2; 11 int m=20; 12 13 for(i=0;i<N;i++) 14 { 15 if(a[i].number==0) 16 { …

I have a VB.NET application created in Visual Studio 2005. The application uses crystal reports. It works fine on the developer machine, but I am receiving the following error on a client machine: System.IO.FileNotFoundException: Could not load file or assembly 'CrystalDecisions.Windows.Forms, Version=11.5.3700.0 This is a standalone executable and not distributable …

hi in my drive file this is what my constructor looks like. im passing an array to it the constructor so that i can assign it to set[num]. what i want to know is what would this look like in the header file? drive-file: [CODE]IntegerSet::IntegerSet( int a[]) { for ( …

Hello, I am creating a windows application to draw 3d cubes. I am preferring to give all the details of the cube in the code itself i.e. dimensions, colour etc.. Suppose there will be two cubes, say with different dimensions and we provide the details with the manner that is …

I have to use a queue in an solitaire assignment, but I'm having some trouble using the linked list Queue class that I made. It won't take arrays at all. [code] class Testing { public static void main (String [] args) { Queue testlist = new Queue(); // testing Queue …

[COLOR="Red"][B]we want to add functionality like "run" in windows.[/B][/COLOR] [COLOR="Green"]add one text box and button under button write this code [/COLOR] --> [CODE] System.Diagonestics.process.Start(TexBox1.Text);[/CODE] now run it. here you have to give name of processes. for example process name for windows media player is [I][I][B][COLOR="Green"]wmplayer[/COLOR] [/B]so when you write this …

First let me say I am thankful I found these forums for assembly, and that I am a complete newbie. I've been reading documentation, and even bought a book on learning assembly, however, there is still one question I have that baffles me. I would appreciate it if someone could …

Hi all just a quick question, what code do I use to make user input of RETURN(enter button) defaulting to an OK button on a windows form? thanks for your time.

hiiiiiiii friends i want to get path of current directory . tell me as soon as posible

Hi guys! I am in the process of making a game...similar to this one: [url]http://www.miniclip.com/games/nfl-lateral-collateral/en/[/url] I am using the following code to detect key presses: [CODE] pygame.event.pump() key = pygame.key.get_pressed() if key[pygame.K_LEFT]: ... [/CODE] How can I detect if a key is released? I have seen this done with using …

This is my first question here. My latest assignment is to create a random walk program using a 2-d array. The program worked fine until I tried to put this code into a function: [CODE] for(int i = 0; i < 100; i++){ //reset field of flowers for each attempt …

Hii !! I try to update excel file by using Odbc and Oledb objects with out success. my problem when i try to update string in cell that the Odbc "think" this cell is have different datatype. how can i force the Object to put string at cell that have …

I have been given an assignment to create a random race program where 2 different lines race. How the lines travel is determined by a random number generator, but that is not the issue I currently have. I am suppose to create a window that is 500x600, with the x- …

ive just started c++, n im not really good, even with the simple programs, couls someone help me with this? thanx Question 3 (10 marks) Concepts: • Static local variables Implement a function to track various details regarding a list of exam results. Download and extract prac6-q3.tar.gz and read the …

[CODE]#include <stdio.h> #include <iostream> #include <conio.h> #define p printf #define s scanf float np, in, ir, pf, ad, md, re, rr,pfl,al; char bn[20],bc[5],rn[10], c[10]; main() { system("title Application No. 2"); system("color F4"); do { p("\nEnter your name please: "); s("%s", &bn[20]); p("\nEnter your code (A-C): "); s("%s", &bc[5]); p("\nEnter your …