Software Development Forum

i am planning to start learning how to use threads. my question is: should i first learn windows.h's functions for threading before boost to get the pattern or should i jump right to the boost threads? ps: sry if i posted in the wrong section

hey all, i got problem about count method. for example, there are three students(a,b,c), and there are two courses(coure1,course2), then student a and b enrol course1, and student c enrol course 2. i need to count how many students enrolled course1. [CODE] Public Function numStudents() As Integer 'return number of …

hey alll..I posted earlier on needing help for a code on input #..base..print decimal form..I actually didnt learn this in high school so thats why I was having so much trouble :@ Now that I read up and understand the logic in bases..I was thinking that for my code I …

Hello peeps, This is really getting annoying, Im trying to figure out how to check whether or not a member is in my datagrid. I have 5 columns: firstname, lastname, membership, accountid, date. Can someone help me out here????????

[CODE]//ASSIGNMENT NO- 4 //EMPLOYEE DATABASE #include<stdio.h> #include<conio.h> //STRUCTURE DEFINATION struct emp1 { int id; int dflag; char name[10]; float salary; }; int main() { //INITIALISATION struct emp1 e[20]={0,0,"\0",0.0}; int accept(struct emp1 [],int); int display(struct emp1 [],int); int append(struct emp1 [],int); int delete1(struct emp1 [],int,int); int modify(struct emp1 [],int,int); int no=0,v=0,u=0,ch=0,count=0; …

Hi! I don't understand why I can't use my functions declared like this: [CODE]#include "groundArray.h" int groundArray::getlistX(int i) { return x; } int groundArray::getlistY(int i) { int groundlistY[] = {100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100}; return groundlistY[i]; } int groundArray::getlistWidth(int i) { int groundlistWidht[] = …

I tried using (*game_data.blocks), (game_data.*blocks), (game_data.blocks) but none of them work. I'm getting a error msg: 'cannot convert sprites* to sprite_data** in assignment' ----------------------------------------------------------- [CODE] typedef struct{ //sprite _sprites[]; sprite *blocks; sprite ball; sprite paddle; int numb_brick_sprites; }sprites; [/CODE] ----------populate_bricks procedure------------- [CODE] void populate_bricks(sprites &game_data){ game_data.numb_brick_sprites++; sprites *temp_ = (sprites*) …

I have an application in C#, .Net 2.0. I want it to run on Mac. The application has .cs files, .exe etc. What of the file should I put in the .dmg file?

It's my first time to use functor. So hope can get some guide here. My program need to call different function depend on input. so i thinking to use functor to do that. e.g. main.cpp [CODE]#include "functor.h" #include <cstdlib> #include <iostream> using namespace std; int main(int argc, char *argv[]) { …

Hi All, I want to trap inRange and outRange event of the bluetooth device i.e. paired with my windows7 machine. Thanks in advance.

[CODE]try { dataFile = args[0]; } catch (Exception e) { System.out.println("The file was not found. Please input file name now: "); dataFile = scan.nextLine(); }[/CODE] This gets a file name from the command line, and if no file is specified it asks the user to input a file name, however, …

Hi I have ben trying to figure out how to sort a array by date, all the examples i have found so far, i have had a hard time making any sence of. I got a tab seperated txt file, with the following data. Date - Meeting - Duration what …

hello, i have a problem with combobox to stored in sql database this is my code cmbDept.Items.Add("" & dtUser.Rows(i).Item(0) & "/" & dtUser.Rows(i).Item(1) & "") how to take the first item from combobox "dtUser.Rows(i).Item(0)" and stored in sql database. ??

Hello everyone here. I am new to vb.net database programming yet i want to create a point of sale software using it. So far I have created a local database, POSSdatabase.sdf , and I have 2 tables, Inventory and Transactions. My problem is how do I relate these 2 tables? …

Hi I have a struct in my form, and I need to pass a reference/handle to it to a separate class, which is ok with the simple "ref" keyword. Now, how do I store this ref to a struct in the class (as a member variable)? Is this possible? I …

I am attaching my complete code, which I was currently developing. I am not able to get why doesn't my KeyListener work. None of the KeyListener events are fires on pressing the keyboard. Please have a look and tell me the flaws in my code [ATTACH]22414[/ATTACH]

Hi everybody, Im pretty new (or u can say that completely new) to python and i try to learn from the very basic. I try to create grid data structure from array. Here i have some code, would you mind to look at it and give me an instruction: [CODE]import …

I am creating a DataReport using the Data Report Designer (VB6) and using the following SHAPE command to create a hierarchical recordset. Dim cmd As New ADODB.Command Dim rz As New ADODB.Recordset With cmd .ActiveConnection = CN .CommandType = adCmdText .CommandText = " SHAPE {SELECT * from Relation where Institution …

I don't know how to solve this problem. I want to create simple project in visual studio 08 in C# windows application which can save update delete data from database. here are the steps i use : open new project right click on solution explorer -add- add new items-service-based-database when …

This is the program I need to write: At each step the user is asked if she wants another number. If she does, the program adds a random number between 1 and 10 onto her total. The game ends when she quits, or when her total is 18 or higher. …

Hello all, I used to be relatively well versed in .Net back when 2.0 was still the latest framework and I have stayed out of the loop for a few years. Looking to kick in a new pet project, I am interested in developing in Visual C# / SQL again. …

I'm trying to save data from textboxes in visual studio using vb.net to sql server 2008. the coonectiong is working perfectly but is not displaying the data output in data grid. This is the part of the code. [CODE] Imports Microsoft.VisualBasic Imports System.Collections.Generic Imports System.Data Imports System.Data.SqlClient Imports System.Text Dim …

Hello, I have to make one project similar like "Assistware Connector" below is link for that [URL="http://www.baydon-solutions.com/CorpWebsite/section3.htm"]http://www.baydon-solutions.com/CorpWebsite/section3.htm[/URL] In this product when application get started, after that on what ever window mouse is clicked it take snapshot of that object, Eg like i open calculatar application,now i start my c# application …

I participated discussion about complex numbers and did some experiments in Python. I do not understand this behaviour (same behavious in 2.7.2 and 3.2.2): [CODE] >>> -(0+1j) (-0-1j) >>> -(0+1j)==-1j True >>> -(0+1j)+0 -1j >>> -(0+1j)-0 (-0-1j) >>>[/CODE] EDIT: Further investigation shows that there is -0.0 in Python, is this …

Hi, I'm a beginning C++ student and have an assignment to dynamically create an array of a struct to store students' first names, last names, and test grade scores, and then pass it via pointer to a function that will sort the grades and names in ascending order. I wrote …

i want to know how to do when the form is closed, the current contents of the listbox will be stored in the bookmarks textfile (called bookmarks.txt). If a file error occurs, display a messagebox specifying the error. [CODE] public Form1() { InitializeComponent(); } private void btn_go_Click(object sender, EventArgs e) …

Hi. Guys, I need some help. Does anyone know how to Call cross threads in vb.net while accessing the backgroundworker as well? I keep getting error everytime I run my program... Here is my code: [CODE]Imports System.IO.Directory Imports System.IO Public Class Video_to_Mp3 Public folderopen As String Dim ofd As New …

I'm working on an assignment and now that I've finished I'm supossed to write a tester file to demonstrate how well the program works. While writing it I was just testing in a main file within the library itself. Now I'm getting an invalid pointer error when I try to …

how can i create game using only c++.

I'm currently practicing on python language and I try to make a sample program that will Add, Show, Delete and Update students info.. But I have this error "global name 'b' is not defined" on the 'Show()', 'Delete()' & 'Update()'.. please help me me guys..Thank you.. [CODE]x = 1 y …

Hi I have a code as follow: [CODE] template<class T> inline bool IsValidUnsignedLong(T n) { return (T)(unsigned long) n == n; } [/CODE] When I pass -l to that function, it returns TRUE which it shouldn't since its not unsigned. Can anyone explain to me the reason behind this? why …

Hi I'm trying to use the Microsoft.VisualBasic IRR function, but to no success. [code] double[] values = new double[73]; for (int j = 1; j <= 73; j++) { values[j] = C158_Calc; } B162_Calc = Financial.IRR(values, 0.1) * 12; [/code] I'm having trouble in this line: [code] B162_Calc = Financial.IRR(values, …

Hi ! To improve my java programming skills i like to write a really fancy fib. nr. calculator. Did it in C using memory allocation methods and hot to 1M digits in ~10min. So something like Step-Up challenge. The only thing as far as i can see limits my progress …

I have a function for a dialog which returns the dialog result back. However, the value of the dialogresult changes from ok to cancel after the value is returned. How can i fix this? this is the part where the dialog is called and the value from the dialog is …

Trying to read a list of numbers in from the arraylist, and stick em into a matrix of int[][] int[][] board; board = new int[row][col]; ArrayList<Integer> temp = new ArrayList<Integer>(); so those are my two variables, and i have a for loop with variables, i and j...so I am trying …

hello i have 5 text boxes and labels and database in sql server so just need coding for the next and the previous button any one can help please thanks

First off, I am a Java Noob coding in latest version of NetBeans. I am trying to create a program the will allow the user to enter two decimal values: time and earnings in a swing GUI. [B]Basic Flow[/B] [LIST=1] [*]The user will enter the values in two different text …

Ok so after modeling after another application Im modifying a previous console app which converts Celsius[CODE][/CODE] temp (with user input) to Fahrenheit. Visual Studio has annoying habits to give errors on variables that "haven't been declared yet". Im looking at this and wondering why the heck is it complaining. I …

Hi, I am new to Unix/Linux... I have a TCSH shell script (on AIX4) in which, at a certain point, I want the user to be able to pass commands to the TCSH interpreter. What I do is I create the illusion that the user is at his usuall shell …

i am writing one java code in notecode.once i am compling the code in command prompt it is showing the following error: javac is not recognised as an internal or external command ,operable program or batch file. what does this mean?..i am using jre7 java version.i have also specified the …

I would just like to know how x86 ASM instructions are translated into binary. EG: [ICODE]mov al,061h[/ICODE] becomes [ICODE]10110000 01100001[/ICODE]

I've managed to use classes in separate files before, but I can't seem to get it to work here. I was just programming some very basic classes for a simple game I wanted to make. Here is the main.cpp file: [code]#include <iostream> #include "energySystem.h" #include "healthSystem.h" #include "intelligenceSystem.h" using namespace …

hi all m having problem deleting table row from button in jtable .here is my error when i press on delete button this code is similar to my original code . please i need immediate feedback m stuck in this error from days.this is the error [code]Exception in thread "AWT-EventQueue-0" …

In writing a logfile program, I need a function to output the log entries between two dates. I use [ICODE]seekg()[/ICODE] and [ICODE]tellg()[/ICODE] to save the position of the first entry to output and last entry and then go back later to output the data in between. However, [ICODE]seekg()[/ICODE] when told …

Ok how do I make a C++ console app format a floppy disk for a Win or Linux Computer? I really want it to be auto-matic like without the whole volume tilte, filesystem; that sutff. PS How would I setup virtual memory in linux? Thanks answer the floppy question first. …

every time i try to run my program (driver) is receive the following error message, arithmetic.pm did not return a true value at ./driver line 9, begin failed--compilation aborted at ./driver line 9 can anyone help me sort this out? thank you very much [CODE]#!/usr/bin/perl -w #Driver #program by James …

My program is in an infinite loop, when It hits the "Bye" part in the code it goes right back up to the top. Help with this. It's a pretty simple program so I can't see what I did wrong. [CODE]#include <iostream> #include <windows.h> using namespace std; int main () …

I'm having an issue getting python 3.2 to recognize files in ubuntu, it's the first time I've tried to code while running it. A specific example of the issue is when setting an .ico to be a bitmap logo for a Frame in tkinter it's claiming that there it's not …

hello, i got a quick and trivial (not to me though) question for ya involving matlab. i am relatively new to matlab and have encounter a few problems using the function command. here is my code: **********main.m********** clear all IC = [1 0.1 2]; time = [0 30]; global test1 …

Hello everyone, i have a question for You. i have a script with grabs URL and etc. here is a [B]example[/B] of it: Sorry for very messy code... I'm just testing [CODE]while (a < 10) : if a == 2 : f = urllib.urlopen("****" % params1).read() linkai = re.compile('</a> - …