Software Development Forum

Hello :icon_neutral: I am doing a test to return payment details - but seem to be having a problem with the card number. When I run the code below I get an error saying that it is too large or small to be an integer. If I make the variable …

a code that presents a good interface for apassword and user name

Hiya, I've got a small problem. I have an interface called "event", which represents a networking event. I have classes implementing this interface. Now, when my server app receives a new event, it checks the class of the event and acts accordingly. This works nicely when the implementing classes are …

HELLO. i want to put logo in my crystal report, i couldn't find image property in crystal report plz help. Thanks in advance.

Hi. I am doing a C# windows form application and I am retrieving data from a database and saving in a datatable temporarily. I have to access each cell and update them. [CODE] try { string TaskStatus = "Assigned"; SqlCommand cmd1 = new SqlCommand("SELECT Day_Date FROM tblDaily_Task_Schedule WHERE Task_Status='" + …

i have a problem. i don't know where i am making the mistake.... i need to refreshed my JPanels automatically with time..... i have used timers for this. i used in the constructor of the class... public class HoursPanel{ //.... //..... public HoursPanel(){ int delay = 60000; Timer timer = …

I am trying to move a ball using time. The ball must move 5 pixel per second. In my code the ball is moving faster. Why is it moving faster? What is wrong with my code? [CODE]#include <allegro.h> #include <cstdlib> #include <time.h> int ball_x = 320; int ball_y = 240; …

Hi All, I try to make my caption text scrolling. Actually, i already make it scrolling but after the last letter it would appear all of text and scrolling again. I want the text scrolling one by one, after the last letter it following by the first letter. How i …

Im trying to get this game to play again once the user gets the right answer or the guesses exceede 8. The problem comes in when i type in Y or N. It doesnt loop back up to the top of Do loop like i would like it too. Please …

Q.Create an equivalent of four function calculator. The program should request the user to enter two numbers and an operator. It should carry out specified arithmetic operation on the two numbers( using switch case).After displaying the result, the program should ask the user if he/she wants to do another calculation.If …

so.. my professor ask us to read map(x,y) into a graph data structure and traverse using Breadth First Search. although i asked him for help, i still so lost..can someone please explain how should i start, such as what are some functions the graph class should has..and what they should …

Hi, I am new here. I need some help on inter-process communication. I am developing a high performance console app in C# 4.0. The reason i chose console to winform because to minimize the GUI thread overheads. But i need to view the processing statistics from time to time (occasionally …

Hello, let's say I have these classes: [code=java] public class ClassA extends JFrame{ private JButton btn1; private JPanel panel; public JPanel getPanel(){ return this.panel; } ClassA(){ this.setSize(500,500); this.setVisible(true); panel=new JPanel(new FlowLayout()); btn1=new JButton("LALALA"); this.add(panel); panel.add(btn1); } } public class ClassB { ClassA a; ClassB(ClassA a){ this.a = a; JButton button2 …

what is wrong with my code?i cant figure it out. [CODE] #include<iostream.h> #include<stdlib.h> #include<stdio.h> #define MAX 50 struct Node { char judul[MAX]; char pengarang[MAX]; int harga; Node* nextPtr; }; Node* makeNode(char judul[], char pengarang[], int harga) { Node* newNodePtr = (Node*)malloc(sizeof(Node)); if(newNodePtr == NULL) { cout << "Out of Memory" …

I'm having trouble formatting a binary tree. In my program, the tree format should print every output as such: 35 30 29 25 24 20 15 This is the code that I have thus far. [CODE]public void treeFormatTraversal(){//begin int level = 0; if(root !=null) treeFormatHelper(root, level); else System.out.println("\nTree is Empty\n"); …

hello... Can you help me please, how can i use the checkbox if i want to display on my listiew Active or not Active After clicking the addbutton. Example Jemz Gimz 123 then i will check the checkbox and click the Add button it should display on my listview Jemz …

Hi all, I recently made a web crawler as part of a Uni team project building a small search engine. I've managed to incorporate it into our GUI, there is a button which starts the crawling process by creating the crawler in a thread. (I did this because otherwise the …

Hello, I'm making an application that supports sending text/files. It will use a server and 2+ clients. The clients won't communicate directly with each other, their messages will be forwarded by the server. My problem is this: in C++, after starting a client, I'd have 1 thread stuck on RECEIVE …

This is my Program: [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class Myclass { static void Main(string[] args) { Myclass d = new Myclass(); d.Myprog("ahasda"); } void Myprog(params string[] s) { int num=0; foreach (string r in s) { if (r.Contains('a')) { num++; } } Console.WriteLine(num); …

Hello again guys, I am little bit stuck in this situation and searched everywhere in google but i did'nt find what actually i want.. a problem with autonumber in access database. i have created a database with 4 columns .. deleted primary key slip, cname, nic... the slip column is …

Any help would be appreciated. I have a working command line program (trivia question) and decided to try to put it in a Gui. I got the user menu to print, but it gets to line 162 and blows up (going line by line) where I'm thinking it should do …

Hello, I want to save multiple record in database from DataGridView. I have some code but their is an error i.e [B] Column named id cannot be found. Paramater name:columnName[/B] [CODE]SqlConnection cn = new SqlConnection(); cn.ConnectionString = "path of connection"; cn.Open(); string q = "select * from abc"; SqlDataAdapter da …

I am having trouble correctly allocating memory for a parent function that will remain upon the child functions exit. the call to the child function is [code=c]HTTP_packToGen((char*)http_headerContent.HTTP ..[/code] the HTTP variable within http_headerContent is a char pointer that isn't allocated until the child function is called, http_headerContent is a static …

i searched about this error. they said is mostly caused by forgot putting semicolon... but i find for 1hours+ still cant find out >.< anyone can help me? the error is pointing test.h lines 9: multiple types in one declaration test.h: [CODE]#ifndef TEST_H_ #define TEST_H_ class TEST { public: //call …

Hi all, I am writing a program in VB6 where I need to determine the path for the system32 folder. I know the default path is c:\WINDOWS\Sytem32, but some people installed they windows in another drive. How i can get the path of system32 folder? Best Regards Vega

I'm using a single WSH script controlled by Microsoft Task Scheduler that calls a series of daily run batch files sequentially. However, some of these batch files only need to run on the first working day of each month. I don't want to create additional Task Scheduled events for these …

hi, all im working in access 2007 vba, i write a code in the login screen, to check if the user name and password match with the corresponding username and password in the database. the problem im facing is if a user enters a usernam correct and a password which …

Hello everyone, I am trying to take a screenshot and save it as jpg. I have found a code and save it as bmp but the file size is pretty big. After searching a lot I found this thread [url]http://www.daniweb.com/forums/thread327090.html[/url] but I can't compile the code... :( I am trying …

Sorry.... i have posted this question before in JavaRanch Forum but i did not get any satisfactory answer to my question. probably no one notices there. I am posting here with the hope that someone will come forward and give me some suggestion. i am using java swing and i …

I am trying to write the code for a face that winks. My code doesn't give me any errors however when I try to run it the window comes up as a blank window. It does have the corredt title but no face is drawn in it and I'm not …

hey everyone, i am attempting to create a simple dll in c++ that creates a timestamp, in the following format... [B]17042011233200[/B] Which is: [B]17/04/2011[/B] @ [B]23:32:00[/B] thus far, i have found a code ([B]see below[/B]), but after compiling with devc++ it doesnt seem to work, i am new with dll's …

I have this function which reads in a workers.age from a structure. It determines how much taxes that worker will have to pay based on a base[i] salary that is also passed to that function. I am able to print out the net salary and amount of taxes paid for …

I have the following trig functions, but I am wondering if there is a faster algorithm that I could implement: [CODE]static const double SINMIN=0.0009999998333333; static const double COSMIN=0.9999995000000417; static const double TANMIN=0.0010000003333334; static const double E=2.718281828459045235360; static const double PI=3.14159265358979323846; static const double MINVAL=0.01; double sin(double ax) { double x=aabs(ax); …

Hi, Send key not working when system is locked.Is there any way to overcome this issue?

Hi, I try to change all first letter of the words in the textbox to uppercase. THis how far i try to change it but just the first word not the entire words. [CODE] Private Sub txtQuote_Change() txtQuote.Text = UCase$(Left(txtQuote.Text, 1)) & LCase$(Mid$(txtQuote.Text, 2)) txtQuote.SelStart = Len(txtQuote.Text) End Sub [/CODE] …

i have Msflexgrid with two column (Invoice No and Amount) say 5 rows Invoice no column is left align and amount column is right align i want to transfer this 5 rows data to a single text box i.e entire grid data to single text box invoice no should be …

I need a way to do the following and I cannot think of one, this is what I have so far: [CODE]typedef Obj2*(*Reaction)(); class Obj1 { public: Reaction reaction; }; class Obj2 { public: unsigned int numobj1; Obj1 *objects; }; class Obj3:Obj2 {};[/CODE] Can you find any way of doing …

I was exploring random art and modified this nice example from vegaseat: [code]# random circles in Tkinter # a left mouse double click will idle action for 5 seconds # modified vegaseat's code from: # http://www.daniweb.com/software-development/python/code/216626 import random as rn import time try: # Python2 import Tkinter as tk except …

Hey; I am currently busy with multiprocessing and multithreading. There I saw a signal SIGCHLD which is an excellent zombie process cleaner by handling that signal. But when we are writing our handler function why we declaring it with an signal number arguement ? Is this arguement is automatically passed …

Hi all, I was working on a MATLab program and I came to a point where I wanted to define a function such that one of the arguments would be used as a command. To clarify, the function being defined was an implementation of Simpson's rule that would integrate using …

Ok, so this is going to be a basic question that I should probably know, but it's baffling me right now... Also, be prewarned that this is a homework assignment I'm working on. I don't want answers, just guidance. I understand what I need top do(for the most part. obviously …

Hi, I created a member file name "ConverterA" but it keep saying has no member. Please help me in this situation. What does it mean? [CODE]class Resistance { private: string ColorA[9], ColorB[10], ColorC[12], ColorD[12]; int Resistances, Tolerance; public: int SelectedOP2(); int Option(); int ConverterA(string); int ConverterB(string); int ConverterD(string); int Converter(string); …

At the moment I am parsing strings to enumerations using this code: [CODE] if (Enum.IsDefined(typeof(Color), input)) { colour = (Color)Enum.Parse(typeof(Color), input); } [/CODE] which has worked fine so-far, but I would like to parse lower case/mixed case, for example someone might input Red, but the enumeration is red or RED …

Here; is my scenario; A prisoner is admitted in a prison at this date:: [B]2011-05-05[/B], he was sentenced for [B]5 years[/B] so how do i calculate date additions so the results give me [B]2016-05-05[/B], as this is the exact date he is to be released from prison. the addition should …

I have combo box of programme and another is courses.. when i select any programme combo box so courses combobox add courses with respect to programme... the problem is when select another programme so previously programm's course also included in combobox.. i want to remove previously courses..in courses combobox. [CODE] …

Hey all I have to display organizational hierarchy or my company but it is quite hectic job... Can any one help me out. At this stage I am able to show for only upto 50 nodes but when I start adding nodes dynamically it gives out of bound exception can …

hye here is my code but it is not working plz help me. [CODE] FRd = txtBCode.Text On Error Resume Next Set Mydb = OpenDatabase("E:\Projects\TS\database\MyDb.mdb") Set Myrs = Mydb.OpenRecordset("SELECT * FROM ItemEntry Where[Barcode]= "&FRd, dbOpenDynaset) ' other data have to retrive. If Not Myrs.EOF = True Then txtINameS.Text = Myrs("ItemNameSize").Value …

Hi guys, I am a bit new to OOP in general, and I was just wondering if I am going around what I want to do in the right way. I am making a small game to try to learn OOP and in this game I have several classes for …

Hey guys! I'm going to start learning C/C++ (again), and I want to start with a very simple program. It should ask to the user a number and, if it is right, run a program. Its been a long time that I don't even touch anything from C, but I …

Hey guys, I need to find the length of a long variable (how many numbers it holds). So if the variable holds: '1234567890' then I want to return an int value of '10'. varName.Length() doesn't work, and I haven't found anything from google or msdn. Thanks for the help, - …