Software Development Forum

I'm getting an error msg as Type mismatch in redeclaration of 'putw' for the following code... Can anyone suggest the reason for this??? [code]#include<stdio.h> union pw{ short int i; char ch[2]; }; int putw(short int num, FILE *fp); int main() { FILE *fp; fp=fopen("test.tmp","wb+"); putw(1000,fp); fclose(fp); return 0; } int …

hi all, I ve a requirement for standalone travel software dat is not web based which involves rentung vehicles,arraging drivers, generating bill, making a picture of bus seats n which shows seat nos available.. i want to do it on java platform. can i do static html page using dreamweaver …

I want to use the printPreviewDialog control to view the print preview of a document. I am using this code Dim oPD As New PrintDocument oPD.DocumentName = TextBox1.Text PrintPreviewDialog1.PrintPreviewControl.Document = oPD PrintPreviewDialog1.ShowDialog() TextBox1 contains the file name to be opened with print preview control. Problem is that it only show …

I want to paste some text in clipboard into Ms Word. I wrote this following code [code] a:=findWIndow(pchar('OpusApp'),nil); b:=FindWindowEx(a,0,pchar('_WwF'),nil); c:=FindWindowEx(b,0,pchar('_WwB'),nil); d:=FindWindowEx(c,0,pchar('_WwG'),nil); SendMessage(d,wm_paste,0,0); [/code] and it didn't work. But i wrote the code below to paste into Wordpad,and it works fine [code] a:=findwindow(pchar('WordPadClass'),nil); b:=FindWindowEx(a,0,pchar('RICHEDIT50W'),nil); SendMessage(b,wm_paste,0,0); [/code] Am I made some mistake …

can more variables have the same value in an enum ? eg. [code] enum boolean { true = 1, false = 0, TRUE = 1, FALSE = 0 }; [/code]

I'm using the following tutorial to learn Python: [url=http://openbookproject.net/thinkCSpy/index.xhtml]How to think like a computer scientist[/url] I'm running the following code and I get an error: [CODE]from gasp import * begin_graphics(800, 600, title="Catch", background=color.yellow) set_speed(120) ball_x = 10 ball_y = 300 ball = Circle((ball_x, ball_y), 10, filled=True) dx = 4 dy …

I have constructed a source code for Java Payroll Part 3: I'm receiving the following error when I try to compile my program: PayrollPart3.java:56: 'else' without 'if' ^else Any advice would be appreciated to why I am getting this error. Thanks! [code=java] // Fig. 1.3: Payroll Part 3 // Program …

Hi, may I ask for a little help ? I don't know how to type a command for selected radio button. I mean - for example - if radio button is selected do this... I know there is a function KeyPress, but do not know how to use it, thanks …

O.K. I wrote my own version of the Addiction Solitaire game using a JFrame and it worked. I want to put it on the web, so I'm converting it to a JApplet. I have 52 PNG files, one for each card, that I need to be able to access for …

I have mentioned this before, I have to use turbo c++ in class. [B]Problem:[/B] I wrote the following code & to my surprise the code passed the compilation without any problem. I was even more surprised with the output. I just don't understand whats happening. This code won't compile in …

I am having some issues. I was trying to use my setToolName function to copy the string into the array – this would check if the string was too long. But then it does not capture 2 words, say if the string is “lawn mower”. So I started to use …

Hello, im new to working with windows controls and im trying to create a simple listbox inside a main window. It compiles fine, but when i run it, the listbox is all screwed up and im fairly sure that my error message is trying to pop up (but for some …

Dear DaniWebbers, If you would all be so kind to help me, I have a problem here and I am trying to know why this happens... In a large application I am working on, I need to have a struct of some sort with a sub struct-array and the sub …

Please some one help to build my concept that what are com components.

Hypothetically, say i want to know how may times anyone has clicked a button in an applet. NOTE: this is not what i actually want to do but it is a good example. more specifically i have a text file in a jar, along with classes, called clicks.txt. every time …

Hello everybody, I have been working on this code segment for about three days and cannot figure out what is causing this error. I am trying to get a specific value out of an arraylist of sorted objects. Here is the code: [code=java] public RateEstimator getMinRate() { // return null …

i want to create a file exactly like pickled file using C program in Qt without using python. this file will be read by python (unpickled ) to initialize some properties. Or Is there any way one can know the exact syntax of pickled file n then write it using …

Hi, I'm writing a simple echo/chat GUI server using wxPython. I made a separate thread for the server. The only problem I have is that when I try to close the server it hangs in socket.recv() thus hanging the whole thread. How can stop the socket from receiving from the …

How do I test a byte string in Python? I want to manually convert (no libraries or functions) a UTF-8 string into UTF-16. My basic solution is to reading from the stream some number of UTF-8 bytes, convert them into codepoints, then convert those codepoints into UTF-16 bytes. I want …

I have a script with a wx.Python GUI that monitors game files for changes and then makes a .tar.gz backup of each turn. If I run the test script (.py extension) the program works well and I can play the game without noticing the python script running in the background. …

I keep hearing that Python is about as slow as Java. Does anybody have experience with speeding things up?

I have declared a vector with 3 Dimensions with the first code below. Then I have managed to push_back all the 3 dimensions so my vector is filled up like this: vector1[2][2][2] [code] typedef std::vector<string> String1D; typedef std::vector<String1D> String2D; typedef std::vector<String2D> String3D; String3D vector1; [/code] What I now need to …

Hello, long time no see... I've been getting along fine with Python lately and I just need to ask you a question: Is it possible to just write to, NOT OVER , an Excel file, in a certain area, using a certain python module?. This way results from an application …

Can any one tell about the difference between the Abstract Class and Interface? Can abstract class replaces Interface? If all things can be done in Abstract class Why we need Interface?

I think I have a memory problem since this code keeps outputting large negative numbers. The file that it reads includes- lastname, firstname, identification number, then 5 decimal numbers. ZDoes anyone know what the problem is? [CODE]#include <iostream> #include <iomanip> #include <fstream> #include <string> using namespace std; const int rows …

Hi, I have an xml file, corresponding to an xsd. If there some tool, which would take this xml and xsd and give me an object. And also take the object and xsd and give me xml. I read about couple of tools like JAXB, xstrem and xmlBeans. The issue …

hello sir!!! i need the answer as soon as possible!! can you change this code and execute it using the JOptionPane... Please help me!!! You may send your answers to this address... <snip email> Thanks a lot!!! import java.io.*; [code=juva] public class ToyoradaII { public static void main(String []lyn) throws …

Hi everyone, I am trying figure out is there a "more proper" way to show the multiple lowest values in an array. My array has 2 of the values that are lowest among the 8 values. I would like to know is there a way to show both of them …

[ATTACH]6798[/ATTACH] i hv an interface sumthing like this. i/m using VB6 and i wanna find record in MS Access using find command button. firstly user will key in an employee number as a key to find that user record in MS Access. after that, the data will appear in the …

Good Day! I'm working on my homework for the past 5 hrs now, i really need some help. I need to create a program that will generate a random point on the Panel. the problem is i cant seem to make the point appear on my panel. any help is …

I'm writing a program for a contest (it's a demo, not the actual thing - so I'm not cheating by asking for help - and my question isn't directly related to the algorithm they want anyway). To submit a program, you send them the .cpp file, and they execute it …

This is just for my information and I don't really have much need for it... But, I would like to know anyway :D. #1. Is a for or while statement faster than one another? As in, if someone put a for would it be faster (application-wise, not when their typing …

I have a general question. I am trying to read a file named: 1.0.0.txt but this seems not to be possible. The MessageBox shows emty. If I trying to read a file ex named: File1.txt it works. So I wonder why it is not possible to read this file named …

Help the error states: .cpp(31) : error C2337: 'count' : attribute not found referring to new[count] = value; as the problem. My code is the following: [code] int main() { int size = 20; new double[size]; for(int count = 0; count <= size; count++) { int value; cout << "Enter …

This is cited from Stroustrup third edition [CODE] void f () throw (x2 , x3 ) { // stuff } is equivalent to: void f () try { // stuff } catch (x2) {throw; } / / rethrow catch (x3) {throw; } / / rethrow catch (...) { std: :unexpected() …

Hi, I'm just starting out with programming in C++, and would like some clarification on something.. What is the meaning of the '&' in this line: [code=c++]void Stack::push(const StackElement & value);[/code] I would assume that it takes a reference as a parameter, however, why is it that it works when …

Hai all, I want to get to know about the file summary like last saved by, last printed on, authour etc... How can get it using file info function. Thanks in advance.

i using acsess 2003 or xp. but when i click in record source property to show the table a massage was shown. but when i use office 97 then there was no problem

Hello ya'll, I stumbled over here looking for some help with Bash shell scripts.. See, the problem was I needed to copy a data DVD into (onto?) the system file space. Since this is a virtual machine, copying a DVD takes a very long time, the drive gets hot, starts …

Hi All Im working on an exercise from a book im learning java with. It is a console app, i have to make a menu 1-4 and then evaluate what number the user entered, carry out the command and then return to the menu. My problem is that i tried …

Hi all, I have encountered a peculiar problem when performing some simple arithmetic in a program I am developing. As the function of the program is pretty specific to my field I have included a smaller program which illustrates the same problem without the technicalities. Given a function (in the …

Hi, I'm reading Programming Windows Fifth Edition by Charles Petzold. In the part I'm reading, it talks about GDI functions. I'm trying to get the pixels that are 1 to 100 + the mouse x coordinate and the y coorinate, then draw them on my window. It's hard to explain. …

Hallo everybody. I am a student trying to extend my knowledge in cPP while using UML and system modelling. I created a "vector template class" using the rhapsody system modeling tool for storing different data types. I used the template to store int and float data types successfully using either …

When I run this program I can only access the first row of data. Can any one help so that I can access all the lines? I am trying to store numbers into a 2-dimensional array. [icode]#include <iostream> #include <fstream> #include <string> #include <iomanip> using namespace std; int main () …

Hi I have a simple code snippet here that writes to a file called Student.txt : [CODE="java"] import java.io.*; import java.util.*; public class Streams { public static void main(String[] args) { String studentFirstName = "Bob "; String studentLastName = " Smith "; String finalGrade = "A"; try { PrintWriter out …

I am newbie to java implementation... can any one tel me the oops concepts with real time examples.... thanks in advance...

Hi, I would like to ask you for help in converting this code from C to C++. It's my little friend 's homework, but I can't help him 'cause I know nothing about C :( In fact, I just can't figure the "scanf" part out, I think the other part …

Hello. Currently i am creating a small application that works around packets. The packets are sent every 600ms. Now my quesition is this: Currently i have this (An example) [code="syntax"] public class Example { private int exampleInt = 0; public void setExample(int i) { exampleInt = i; } public void …

I am trying to create a program that generates random passwords using the characters A-Z and the numbers 0-9. It will also have an input of what you want the length of the password to be. What I don't know how to do is to create a method to choose …

I'm having problems creating an array with a dynamic size using new. Here is the relevant code: [CODE] enum LandCondition { Bad, Good }; //... int IMG_WIDTH, IMG_HEIGHT; LandCondition* land; //... land = new LandCondition[IMG_WIDTH][IMG_HEIGHT];//causes errors [/CODE] The errors VC++ gives me are: error C2540: non-constant expression as array bound …