Software Development Forum

I am now making the huffman algorithm. I have generated the tree but I cannot generate the codes.. please if anyone can help tell me how? [B]This is the class Node[/B] [CODE] public class Node { private Node left=null; private Node right = null; private Node parent = null; boolean …

hello guys, could you please explain me when do we use these: int[][], double[][], float[][]? i mean, why there are two brackets "[]"? thanks

Hi, I want to do something like this. I have a file File.c File.c # include <stdio.h> -------------------------->here struct B and its parameters should be inserted when i get it on next iteration. typedef Struct { B b1; --->this struct i will get on next iteration. }A; I am writing …

Hi i am doing one project in vb6.0 with ms-access 2003 database. i want bulk data updatation in one table from excel sheet. is possible , if possible pls give me a good solution. my table name : segment transaction its contain more then 20 columns , my updatation for …

An unsigned long(9999999000) returns 1410064408. Any explanation to it?

Hi, I am new to C# .net. I recently learned how to connect C# with database (SQL). I know a bit of coding and form designing. Please suggest me some projects (related to windows application) to work on for practice. Thanks in advance.

Hi , I have two text files. madavas1.txt and madax3.txt. There are different values in the files. I want a file which gives the difference between the commen value based on the fields below Gateway( please refer to the txt file attached)[code] new txt = madavas1.txt - madax3.txt.[/code] for Eg: …

Hello people, I was recently working on some homework for my class, and I have a error on my code. First, I will tell what I need to do. What the program asks for is for a person to give a 3-number digit(N), from 100 to 999. After that, the …

So basicly i am trying to create a 2 dimensional array for my snake game but i am haveing some trouble: [CODE] public static Tile gameField[][]; [/CODE] [CODE] gameField = new Tile[FIELD_HEIGHT][FIELD_WIDTH]; for(int i=0;i<FIELD_HEIGHT;i++){ for(int j=0;j<FIELD_WIDTH;j++){ gameField[i][j] = new Tile(); } } gameField[1][1].snake = false; gameField[1][2].snake = true; System.out.println(gameField[1][1].snake+"_"+gameField[1][2].snake); //Prints: …

In the class diagram, we'll put attributes of our class in the section at the middle of the class' name and methods right? I'm wondering, are we also put instantiated variables in there? Like the variables instantiating other classes and buttons?

Hi, I'm supposed to write a code of my TSP assignment using brute force algorithm. Although there are still some darkness about how to do it. I know what is TSP but I don't know how to start it. Let's say that we have 4 cities(A, B, C, D). Using …

Help Pro's :'( I am a newbie in VB.NET .....I am using Sql Server Express 2005 as my database... I am currently working with my THESIS... A Human Reources Information System that concerns only with the file and record management of the employees... With two modules. a. Administrator for HR …

I'm just trying to add a simple function to the textbox for security that if i only allow 0 - 9 Numbers and i try to put a letter it wont let me i forgot the code so if any can help me ...

Please, I need help in finding the sum of two matrices using pointers. Thanks.

G'day all, When i'm using the search function (Below) I get a Unauthorized Access Exception on certain folders, which isn't a problem, however after this Exception i'm not getting any results. I have tried searching around but I couldn't make sense of alot of stuff that I found. I haven't …

hi, I was wondering how can i make a new frame after the password is entered(if it's correct). Like if the user enters the correct password than another brower/frame will open. This is the program: [code]import javax.swing.*; import java.awt.event.*; import java.awt.*; public class password { private static String password = …

Guys, Let me explain the application I have - Form > Main Tab Control > Main Tab Page > User Control > Sub Tab Control > Sub Tab Page > User Control > Contols/Text Box. Form - The main form Main Tab Control - This contains Main Tab Pages. Main …

Hi, i'm hoping someone can help with a slightly odd problem i have. I have a piece of code that can create a folder on a sharepoint site from one machine, but not another. [CODE] If Not System.IO.Directory.Exists(strTargetLocation) Then System.IO.Directory.CreateDirectory(strTargetLocation) End If[/CODE] Originally it was because WebDAV was not running …

Hi, so I want to make this kind of "webpage" thing with GUI and how can go to another "page" not open another frame when I click on one of the buttons. Like in my program one of the buttons are "Sign In" and when the user clicks it I …

hi experts please help me with this code [CODE]Private Sub cmdreport_Click() Set crApp = New CRAXDRT.Application frmViewReport.Show Set adorsRAM = New ADODB.Recordset Set report = crApp.OpenReport("D:\Ankush\created\proj11\Reports\Report1.rpt") sSQL = "Select type, user, location, cpu_no, model, speed, ram_unit from Master where RAM=" & Form1.cmbram.Text report.ParameterFields.Item("pRAM").Value = Str(cmbram.Text) report.DiscardSavedData 'CLEARS REPORT SO WE …

Newbie with problem reading 6-column floating point data. I copied an example and expanded for my use, but get this output in OutFileOne.txt: 0.000 0.000 0.00 0.000 0.000 0.00 Not getting correct values, nor correct # of values in columns. Any suggestions? Have tried explicit format (%5.2f) with no luck. …

Greetings to all. I'm having an error that occurs whenever I try to build a project in Dev C++. I can compile an individual source file fine. I have tried reinstall. I only have this error on my laptop (Vista). Everything worked fine on my other computer (XP). I have …

In VB6, how would I subtract 1 from a Hex? Do I need to convert to Integer first? (have tried HextoDec function, but not having success) Example Hex = FF FF Hex - 1 = FF FE

Hi How can i send data from vb text box to crystal report text object directly

Please does any know how to create a word document or PDF file from the textboxes and datagridview values? Thanks

I currently moved my windows form project to a different PC. In the project UI have some text boxes with a default value of "0". Before the move this worked fine. now if I run the code the UI does not show this default values. designer Code: [CODE] namespace PersonalBudget …

Hello People, I took a class in C++ about a year ago and really liked learning to write code and working with with programs. I did not do very well in the class, in fact i ended up with a C-. Recently I decide that I wanted to try agin, …

Hai Experts, I need to convert the pdf files to word document , i have seen some softwares that converts pdf files to word document , i need the component or and activex dll to perform this work if anyone have done plz. plz try to help me

Hi, i need help with loggin the process list and saving it as a text file. I need it so that it will log any new program that opens up. Basically monitoring the process list.

I've been trying to compile a very simple c++ code ; when trying to compile on codeblocks it says : error - stray '\312' in program [CODE] #include <string> #include <iostream> using namespace std; int main() { char letter1, letter2; string lastName; cout << "Enter your two initials and last …

Hey I'm working with Java and cant seem to get my calculater working, Im trying to use my actionListener to make it all work.. Please help:) [code]import java.awt.FlowLayout; import javax.swing.AbstractButton; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.JTextField; import javax.swing.text.JTextComponent; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class …

Is it possible to move the screen focus in allegro. Like, key[KEY_UP] would move the screen up on a map? Thanks in advance.

HI, im new in using vb.net 2008, and i want to master using it.. i want to create a simple POS system, can you tell me how can i hide group of buttons/ controls on the first load of a form and then group of controls will just show after …

I have a problem again :) I try to use this code: [code] import time from threading import Thread from threading import Lock def main(): for i in range(3): my_thread = MyThread(i) my_thread.start() class MyThread(Thread): lock = Lock() def __init__(self, i): Thread.__init__(self) self.i = i def run(self): while True: self.lock.acquire() …

hi all I'm writing a application which uses Opencv and wxWidgets and sends camera frames via a socket connection. But it seems i'm doing something wrong: after starting a server on my machine, i can't connect my application to the socket the server is listening on...why is that? [CODE=python] import …

Hi guys, I am getting similar "identifier cannot be found" errors, except with "mkdir" they look like: 1>------ Build started: Project: shot_detect, Configuration: Debug Win32 ------ 1>Compiling... 1>film.cpp 1>c:\documents and settings\kedar\my documents\downloads\shotdetect-1.0.86\shotdetect-1.0.86\src\film.cpp(22) : fatal error C1083: Cannot open include file: 'ffmpeg/swscale.h': No such file or directory 1>image.cpp 1>c:\documents and settings\kedar\my …

hi, i have the following code for tic tac toe game Human vs. Computer, it runs without problem but when i prompt for entering X or O, it gives an error, can someone help, appreciate the answer. here's my code: [CODE]#include <iostream> #include<conio.h> #include<process.h> using std::cout; using std::cin; char matrix[3][3]; …

so I have 2 methods, 1 with an argument the other without command_hello(String sender); command_hello(); I am trying to invoke the method using just their name: command_hello I can do this by using the following for the method with no arguments: getClass().getMethod("command_hello").invoke(this); Works! Great! But the moment I try getClass().getMethod(cmds.get(cmd)).invoke(this, …

Hi guys, Firstly, a quick thank you to whoever put this site up, wealth of advice and everyone here sounds helpful. I'm quite new to C++ and programming in general so go easy on me. I'm trying to find a way through a maze from a given start point through …

[code=c] while(1){//return from the loop only when the input is zero printf("\n1: Stack1\n2: Stack2\n0: to return\n"); scanf("%d",&i); switch(i){ case 1: printf("1"); break; case 2: printf(" 2"); break; case 0: printf("Thank you for using the service"); break; default: printf("Give a Valid Option"); break; }//end of switch - case }//end of while …

So i have to build a scheduler in priority ques, which will read infomation from test files. Also the work out the wait time and finish time. Text file will be like this; process1 21 3 process2 23 1 process3 45 20 [processID][space][Quantum][space][priority] So here what i have so far, …

I am trying to write a TFTP server. I have successfully completed the code, it is fully RFC 1350 compliant. However, I wrote the whole thing in Haiku OS, and in Haiku, it works great. However, I also need a DHCP server, and I don't have one for Haiku. So …

How do i make this code to store data in a global variable, it create random number of elements. [code] n = random.randint(0, 99) for i in range(1): print "-"*60 print "Here is some new elements! " while n >= 0: data_list = random.randint(0,99) print data_list, time.sleep(.10) n= n-1[/code]

hi guys, I've created a function that returns the number of times a value resides in a container (in this case, vector). The user is able to specify were in the vector they wish to search for the value. [CODE] int number(int n, vector<int>::iterator start, vector<int>::iterator end) { int count …

I need to have 4 functions which asks the user how many times to flip the coin and then displays the number of heads and the number of tails as a decimal? [code] def getInputs(): times=input("please enter the number of times the coin should be flipped: ") def simulateFlips(): for …

I've seen a program called Devcon ([url]http://en.kioskea.net/faq/sujet-1886-enable-disable-a-device-from-the-command-line[/url]) used for enabling and disabling hardware devices. I want to do the same hopefully with python. I want to turn the internet connection off with a script. I can already do it with popen('ipconfig /release') but I want something more robust. Is there …

Hi Everybody; I wrote a class that uses boost library to create thread. My thread function just do select operation for mysql database. Besides, I developed a client program to test server side, but server side gave 'segmentation error ' after fourth client request via socket. [CODE] void Thread::Start(void (*function)()){ …

Having a guy help me with some code, however, he doesnt know VB6 and only has freebasic I need to convert the following into VB6 so I can make a user interface (comport selection etc) but not sure how to do it. Even a step in the correct direction would …

I had this:[CODE]classA* class[10];[/CODE] But now i dont know the exact number(10) and i want to put a variable there and i get a compilation error.What i should do instead?

Hi everyone, basically the problem i have is; when the program loops around for the 2nd, 3rd etc it resorts the swip back to the inital value of 1000, rather than what i want it to, the ewip from the previous day. I have underlined/highlighted the two bits i mean. …