Software Development Forum

i want to make an Object Test to control many threads. Test.cpp [code] class Test{ public: Test(); void exampleThread(void*); }; Test::Test(){ _beginthread(exampleThread, 0, 0); } void Test::exampleThread(void* ptr){ ... } [/code] i get the error [quote] argument of type `void (Test:: )(void*)' does not match `void (*) (void*)' [/quote] what …

I've been given an assignment in class to take some code and work on improving the optimization, we can either write new code or use old code. For some reason I can't think of anything that would be a good example of code that can use multiple optimization techniques, I.E. …

can i use ismdicontainer and .showdialog for my form at the same time? i have a main menu that when i open a new form it pops inside of it. but i want to use .showdialog so that only the form open are the ones being used and the forms …

Hi, I was wondering how do i go about generating unique random numbers? ie i want to generate numbers between 0-9 randomly. I dont want to repeat the numbers.Then that no: should display on the buttons.ie there are 9 buttons. first randomly generated number should display on the first button …

Is it possible to read a file as lines are written to it but not lose your location in the file? As in there is a program that will write lines of text to a file until it reaches 2.4MB. I want to read this file as these lines of …

[COLOR=#000000]hi[/COLOR] [COLOR=#000000] [/COLOR] [COLOR=#000000]i am a student. i am using vb6 to get an agv running. using mscomm to speak to a main micro which then addresses motor boards. at present i am just testing 2 motors to see if the program will work. in my foward command button the …

I am having issues with outputting a string correctly that is coming from a 4K read buffer. Here is the code I have currently: read_4K.c (cannot be modified) [code=c] int read_4K(char *b) { return read(0, b, 4096); } [/code] reader.c [code=c] static char Buffer[4096]; static int Bend = 0; static …

when i run the server and the client i get the following errors: Client: [CODE]Exception in thread "main" java.io.EOFException at java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2570) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1314) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368) at Client.main(Client.java:29) Java Result: 1[/CODE] not really a error but it should receive the patients name?: [CODE]waiting for connection... Message Recieved:null waiting for connection...[/CODE] so …

hi all this is my first post here. i have a small question and though i believe its a very simple one, however i cudnt figure it out until now. i have written a vb 6 code to get data from rs232 port using mscomm control. i am getting the …

A friend asked me to write a program that dials a telephone number and checks for the presence of a 1000 Hz tone. Any suggestions?

Hey all..am quite new to Java and I have encountered a problem with my program. I am getting the error message "cannot find symbol constructor". I have tried to figure it out but I have failed. I have read around that adding an empty constructor would help but this is …

ok how will i keep track of the items i bought? i have not the slightest clue on that. i dont even know where to start. can someone point me in the right direction? [CODE]#include<iostream> using namespace std; int main() { char symb; int item_purch, numb_item_purch, quit,; double mug = …

Okay this is my assignment question: Write a program that accept the format [I][B]last name, first name [/B][/I]and print out [I][B]first name, last name[/B][/I] Thats what I did: [code] import java.util.Scanner; public class Name { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Enter your name"); String …

hello again i wrote a class but not able to see the output in visual studio [code] Public Class Class1 Public Shared Sub Main() Console.WriteLine(Min(10.1, 10)) Console.WriteLine(Min("last", "first")) Console.WriteLine(Min(#1/1/2000#, #3/4/2000#)) Console.ReadLine() End Sub Overloads Shared Function Min(ByVal dblA As Double, ByVal dblB As Double) As Double Min = IIf(dblA < …

how do i create a new instance of a class at runtime? ok say i have a window open and every time i click inside the windows it puts a small image ( which is defined in the class ) at the location of the mouse pointer. But how can …

Is there anyone out there that finds Visual C++ (ver8) Debugger broken? Specifically with regard to variables out of scope. I have asked here about specific problems and none of the proposed solutions work. The debugger works on the easiest of things, but half the time, things that are obviously …

Hi there I want to use c++ to draw a path The path is based on two variables, x and y and x and y will change automatically every second So I think the flow should be like this: t=0, (x,y)=(0,0) ->draw a point on the graph t=1, (x,y)=(2,2)->draw another …

hi, how can i change single cell text color in my datagridview by using button i try datagridculomnselectionmode and other options for the now i can only change the all cell. pls tell me what i can do guys.

Hi, How can i pass an xml file from python to flex 3..? Any one can help me...... with example code

Dear all, Forgive me for posting two threads for the same problem. I was not showing my problem clearly enough in the previous one. Thank Narue for answering that anyway. Now I do it again here: [CODE] #include <iostream> #include <string> using namespace std; int main(void) { string inputStr; while …

Hi There, I need assistance with the assert function. The question is convert a date to Julian date and then check which one is the smallest and subtract to show the different days. That is all done. The part I have no idea is how to use the assert function …

Hi, I got this code for computing permutations of a string from the programming interviews exposed book. I am unable to think as to how recursion works in this case. Now, if the input string is "hat", then I have understood the sequence of recursive calls that lead to the …

i m using netbeans for java program for jdbc connection. i m getting classnotfound exception , i have also downloaded jdbc driver for ms sql server 2005 but driver doesnot contians msbase.jar mssqlserver.jar and msutil.jar files Plz reply asap.

I'm in my 1st year of college, doing some Java programming...and really struggling. We have some project to do, to test a date...there will be 5dates and the output should be next day of the date. If anybody can help... thanks Stan

[B]Introduction[/B] In this sample,It shows how to move files to another folder. [B]Background[/B] It can be used in winForm applications.

Hello dear All, Now I'm writing an app that have to react on some user's actions in real time and redraw a big form according to this activity and a timer's firing. Also, when redrawing the form, the app must emit some short sounds. For the last purpose I used …

[b]Split from - [url]http://www.daniweb.com/forums/thread47395.html[/url] [/b] [QUOTE=rhp405;226272]Ok, here's the solution. When you have a pipe open in parent process, you have to close the pipe before waiting. It has to do with the file descriptor counters of the pipe ends, they have to be zeroes to not cause a child to …

[CODE] var t:array[1..3,1..3] of integer; i,j:byte; v:text; begin for i:=1 to 3 do for j:=1 to 3 do begin write('Enter elements [',i,',',j,'] '); readln(t[i,j]); end; assign(v,'output.txt'); rewrite(v); for i:= 3 downto 1 do begin for j:= 1 to 3 do write(v, t[i,j], ' ' ); writeln(v); end; close(v); end. [/CODE] …

hi, I'm fairly experienced with delphi however have come across a tiny problem, i have a create box known as Edit1 for my web browser, but the label on this is always edit1, before you type the text into it, how can i make this blank or at least edit …

I'm working on a porgram for the school works. I wrote the procedure below to save the array of records(directory) into the file. But the procedure won't work when there is a record in the file.It's urgent. Thanks for your help. [CODE]procedure saving(input : array of directory); var i : …

I am very new to C++ and would like to know how to handle the following: Let's say I have a button on a form. When the user clicks the button, a new textbox is created on the form. How can I add event handling for this new text box? …

Hi and I have a hex to int function but it isn't converting the hex to integers properly. Below is the code an example is the hex bb76e739 which should = 3145131833 but with the function it equals 2147483647. I heard sprintf or something like that can convert the hex …

hi, how can i measure the accurate run time of a program by writing a shell script? Like I want to use some for loop and run some samples and then i want to subtract the end_time-start_time to get the duration and thereby average.

hi forum. I have a code to return an arrayList with the duplicates of an ArrayList that has the methods get1(), get2(), get3(), get4(), which are the criteria to see if the object is duplicated, but seems it´s not working, I am comparing all items in the array... I have: …

Hello, I build an applet that plays midi files from a server. The problem is when I start playing the file (MidiSystem.getSequencer()).. it gives me this error in the java console and nothing plays: [CODE]SEVERE: null javax.sound.midi.MidiUnavailableException: MIDI OUT transmitter not available at com.sun.media.sound.AbstractMidiDevice.createTransmitter(Unknown Source) at com.sun.media.sound.AbstractMidiDevice.getTransmitter(Unknown Source) at javax.sound.midi.MidiSystem.getSequencer(Unknown …

In my assignment I am supposed to use a pointer to create a 2-D array dynamically. Initialize each element in the array to the sum of its row and column. Then display each element of the array on the console. I have the program written and it works except for …

Tried this on my UNIX box.. Why aren't the array contents being stored/displayed ?? [CODE]#include <iostream> #include <fstream> #include <unistd.h> #include <sys/signal.h> using namespace std; int main(int argc, char *argv[]) { int pid; pid_t pid_chk; int pid_array[2]; int count[25], length, i, j; for (i=0; i<3; i++) { pid_array[i] = 0; …

Hi , My program at the moment has 3 textboxes , 1 button and 1 listview. I've added 3 columns named "Name" "Address" and "Number" to the Listview. What I have done so far is I can enter text into the 3 textboxes , I click the button and the …

Hello People, Does any one have any practice problem sets for C. I am interviewing for a company tomorrow and they ask lots of "Whats the output ?" kind of questions.. Any help would be appreciated

Hi all . I m trying to read contents of a file using streamreader classs of c#.net which is a result of data transferred over the network. it contains some transmission syymbol eg. eot,can,soh etc. Beacuse of that it is showing square symbols. Kindly arrangea code to read the file …

int main() { recurse(5,3); return 0; } // end main void recurse(int x, int y) { if (y > 0) { ++x; --y; cout << x << " " << y << endl; recurse(x, y); cout << x << " " << y << endl; } // end if } …

I am making a pong-like game for a class. I am having trouble with the ball's collision detection. The game is a 1 player version, where the ball and paddle are both contained in a box. The player uses a gun which is built into the paddle, in order to …

I use a panel and if the user Leftclicks an area with the mouse, I am trying to set the variable LeftRightClick to "Left" and the same for rightclick, "Right". Then I call the button43_MouseDown event to show the correct MessageBox, depending on if it was a leftClick or RightClick. …

[code=c] #include <stdio.h> int main() { char name[50]; printf("enter your name:"); gets(name); puts(name); return 0; } [/code] hello, the above program should first print out "enter your name:", but it does not. it occurs in this way on the console: --------------------------- abc enter your name:abc --------------------------- it prints "enter your …

Hi All, Can anybody help me to assign a base class function pointer in derived class constructor? I have got a compilation error while doing so. Please see the code below: [CODE]class Base { public: void (* fnptr) (void) ; void myvurtualfn() { } }; class Derived:public Base { public: …

#include <iostream> using namespace std; int num, factorial; num = 6; factorial = Fact(num); cout << num << "! = " << factorial; return 0; } // end main int Fact (int num) { if (num == 0) return 1; else return num*Fact(num-1); } //end Fact int main() What is …

So let's say I have an interface called ExitInterface.java. Inside there is only one method declaration, exit(). I have two classes that implement this: 1) first one is named Exit.java which does System.exit(exitCode) in the exit method. 2) second one named ExitMock.java which doesn't exit, and instead keeps track of …

need codes for saving in pad or harddrive

I am trying to be able to read in 1 000 1 1 1 as like 100011. Also when I do printf of the string program crashes. Here is my code [CODE]#include <stdio.h> #include <string.h> #include <ctype.h> #define MAX 32 int main(void){ int i; int c; char a[MAX]; char b[MAX]; …

i need help creating a rectangle where the user creates the border and fills in the empty space with any symbol they want. it should look like this ####### #@@@@# #@@@@# #@@@@# ####### mine only looks like this # @@@@@ # @@@@@ # @@@@@ any help??? heres my code: char …