Software Development Forum

I have been able to output a palindrome but now it does so even if it is not a palindrome. Thanks you in advance for any help. ;) [CODE]import java.util.*; public class ec2 { static Scanner kb = new Scanner(System.in); public static void main(String[] args) { String word = " …

I would like to know, because I noticed how slow it can be when called over and over. How would I go about doing [CODE]xor ah,ah int 0x16[/CODE] Without the interrupt? [URL="http://www.youtube.com/watch?v=ZKFY0OivbwE"]Here's a link to my video.. can see small delays keys are pressed quickly or held in near the …

Hello... I want to draw three straight lines on a form. Can you tell me if the following code is correct: [CODE]Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim Line1 As System.Drawing.Graphics Dim PenLine As New System.Drawing.Pen(System.Drawing.Color.Black) Line1 = Me.CreateGraphics Line1.DrawLine(PenLine, 0, 129, 529, 129) …

I'm designing an exception class, but ran into a case where a copy is being made which I don't want (plus, I don't understand why). Consider the following cases: [code=cpp] // 1 Exception e; throw e; // Copy: yes //2 throw Exception(); // Copy: no //3 throw Exception() << "extra …

So my problem is that, i have a text area with 3 rows. Its a part of a chat application which receives text from a user. I want to send the text and clear the text area as soon as the user presses the enter key. Now the problem is …

Hi, I've started to learn about threads in java. I'm trying to make this simple animation of a rectangle. Where am I going wrong? I was under the impression that if a class implements Runnable, when it is executed, it looks for the start method, which in turn starts the …

How do you keep a wx frame from not responding while the code is running in the background? ie a search or other demanding function.

I musn't be thinking about something right (or maybe left)! If I have the number '1', which in binary is this... 1000 0000 ...and I do a right shift on it to get this... 0100 0000 then that should give me '2', not??? Then why doesn't this work... [CODE=C++] #include …

I am getting the following error codes when trying to compile the following 2 files 1>c:\users\adam-7\documents\visual studio 2010\projects\chapter 13\exc_1\exc_1\cd.cpp(9): error C2533: 'Cd::{ctor}' : constructors not allowed a return type 1>c:\users\adam-7\documents\visual studio 2010\projects\chapter 13\exc_1\exc_1\cd.cpp(58): error C2264: 'Cd::Cd' : error in function definition or declaration; function not called Provided the code, any …

Dear respected programmers. Please could you help me (again) on how to put the following code into functions for my program. I have read on-line and understand how functions work but when I do it myself it all goes pear shaped(I am such a noob). Please could you help with …

Hi friends... My friend s doing an online project... He wants to know how many users(REGISTERED) are LOGGED-IN CURRENTLY in his site... i.e if i'm ADMINISTRATOR of this DANIWEB, i want to know the USERS CURRENTLY LOGGED-IN... I need the logic for this... Help me... Thanks in advance...

hello all my problem is a confusion on the second problem here i managed to solve the first problem and made the program i hope its correct as u see.. First problem Three memory locations A, B, and C contain numbers. Write down the algorithm for finding and printing the …

Hi this is the HW question, i can't understand the avail_list part can anyone explain?? (1) Write a program to implement indexing with avail_list support for deleted records as follows: a. The program maintains a data file called students.txt of students’ records which contains studentID and studentName. These records of …

I'm in the process of converting a legacy app from D5 to D2009. I'm getting errors on AnsiToNative, NativeToAnsi (both DBTables) and DbiOpenSPParamList (BDE). Apparantly the parameters for these functions have changed. Does anyone here have a ready example on how I should use these in D2009 ? I was …

Hello there, I'm new to C programming and am following a course in C. I've got an example code for piping. It's not a very hard code to understand. It goes like this: [CODE] #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #define READ_END 0 #define WRITE_END 1 const char …

I need to create a serverless chat manager can some one help me

Hi, I have an array, and I want to split the contence into textboxes. I have written some code to do so, but it won't work and I can't figure out what's wrong with it. Could someone please help me with this [CODE] Dim bh As String Dim x As …

I need help with rand();. This program produces random number without repeating. In my error list there are no errors. Unhandled exception at 0x00414742 c++.exe: 0xC0000094: Integer division by zero. [CODE]int *numbers,range; void randomize(unsigned numberToSelect){ for(unsigned i = 0; i < numberToSelect; i++){ const int selectedElement = rand()%(range - i); …

Hi, I'm comparing String with array of Strings and I got this error Object reference not set to an instance of an object. This is my code: [CODE]For Each Str As String In Word If Str.Contains(w1) = False Then MsgBox(w1 & _ Str.IndexOf(w1)) out += 1 End If Next[/CODE] The …

Hi, Could someone tell me how to open a file in C based on user input. This is what I have tried: [code=c] printf("enter the filename"); scanf("%s",filename); fp1=fopen("filename","r"); [/code]

how can I output 123454321, if i input 5. and 1234321 if i input 4?

Can someone help me figue out why I keep getting an erorr that I am missing a return statement. [CODE] import java.util.*; public class ec1 { static Scanner kb = new Scanner(System.in); public static void main(String[] args) { String word = " "; String s = " "; char letter; …

I want to create a game with allegro using text-based RPG elements. I would like to describe the setting through text and give the option to input a command but at the same time display graphics above the text area. Example: *3 sprites, warrior, mage, archer* (text description) Hello, (name …

Question is : Get two strings from user. Join first string with the second string with a space. Store in another string and display it. Example: Enter first string: Hello Enter second string: World Hello World (built in function for string concatenation is not allowed) im newbie in c++ and …

How can I add a clickable url in a JTextPane like this [url]http://www.google.com[/url] or If I ask other way, how can I make the links in JTextPane clickable ? When the user click or double click this link the default browser will open the link that is clicked. I have …

I would like my login form to display a message when the user logging in pressed the CAPSLOCK key when he is entering data in the password textbox. I tried using this code on Keypress Event [CODE] If KeyAscii >= 65 And KeyAscii <= 90 Then txtPass.Locked = True Msgbox …

What is java and the whole bunch of things. I only know how to use eclipse to write java project, probably java 1.4. Can someone give me a picture about the whole bunch of java things such as jsp servlet spring struts hibernate J2EE glassfish J2EE 5 J2EE 6 EJB …

Hi I want to display content of text boxes in its tool tip how it can be done. Thanks

Hi everyone, I need to write a bunch of x,y coordinates to a txt file one below the other using C(only). I'm able to do so but all the coordinate values occur one next to the other. Here's my code: [code] FILE *file1 = fopen ( "/cygdrive/d/newfile1.txt", "w" ); printf("The …

Hi! I've been searching for a while, but it seems that I can't find an easy way to get the current user profile folder. I've tried "%userprofile%" environment variable, but it didn't worked (or I'm doing something wrong). How can I do it? I want to add the value to …

Hi, I know that the get() method returns the element at the specified position in the list, so does that mean that for this particular sentence of code: [CODE] HtmlInput inputMsgKey = (HtmlInput) getSendNotificationForm.getElementsByAttribute("input", "name", "msgKey").get(0);[/CODE] get(0); will return the "input" element? Thanks.

Hi everyone, I'm new to Daniweb and programming in general. I wrote a program to implement Euler's sieve, and it seems to work for small primes. But, it incorrectly lists certain numbers as primes for larger ranges. For example, for n = 400, it lists 391 as prime. I've gone …

Hi thete )Tell me please - am I right - if [B]fillnumb[/B]=0 then after executing this code - [CODE] switch (fillnumb) { case 0: [B] fillnumb[/B] = 1; break; case 1: [B]fillnumb[/B] = 2; break; }[/CODE] [B]fillnumb [/B]will be =2 ;

Hi everyone! I have a task that needs to be made in C in Linux. I use Kubuntu. This is the task: Process (coordinator) creates 5 working process (pool of processes). The working processes are waiting to be awakened by the coordinator, perform a job and wait again. The coordinator …

Hey guys, How would i get an imageBox Background image file location ? Thanks in advanced.

Hello, Class assignment, I get partway there, but borders do not show up. We have text files we turn into XML and css by inserting some prefixes and namespaces, etc. Each listing under an agent should be in its own box with a border. I just get long paragraphs after …

Hi, I'm having some issues with my homework. It is a polymorphism homework. IFrom the console it takes two string (title and author/performer) a char (format for records) and a call number (int). Currently it compiles fine with some warning for strcpy. I have used the same data and sometimes …

Hi, I have a problem with fread,i wrote that program and in the input file only "Hello Word". the out put of the program only prints "Hell" and when I increase the elements in fread to 2 it outputs "Hello Wo". so for each element in fread it reads 4 …

I have a list of numbers in a 2d array. I need a random number without repeating. The number zero cannot be shuffle. [CODE] int **map; int * list; void randomize(){ for ( int x=0;x<Width;x++) { for( int y = 0; y < Height; y++) { map[x][y]=list[x*y]; //add code } …

I hope that you folks can help? I have ten IP cameras strategically located around my property. I capture video from these cameras with no problems. The cameras have the ability to pan and tilt, if I send commands to them. I can send something like the following to the …

I want to create a digital clock in Java can any one help me out i am having problems updating the second variable

hi masters... i want to get jobs in printer queue... i didn't have idea to do this. please help me. any help will be appreciated. thanks before.

Hi ! I have a C source code of Knight' Tour like [CODE] #include <stdio.h> #include <winbgim.h> #include <stdlib.h> #include <conio.h> #define N 8 void alternatif_bul(int,int); void alt_say_hesapla(); int yeni_konum_bul(); void alt_dizi_sifirla(); int board[N][N]={0}; //satranç tahtası int alt_x[8]={0}; //gidilebilecek alternatif karelerin X konumlarini tutuyor int alt_y[8]={0}; //gidilebilecek alternatif karelerin Y …

Hi, Is there ever a situation where the programmer needs to be concerned about the copying of a vtable pointer or can I happily assume that the C++ language will handle that detail correctly without my intervention?

Hey guys using Linux(C) using POSIX API system calls read,write, open etc. I can open,read,write to a file and copy its contents to an output file. How would I go about copying more than one file to an output file using related system calls only. I currently have: [code=c]filein = …

Hi. Could you tell me - what is wrong here - [CODE] public class MAP { public string MAP(string FilePath) { FileStream fs; try { fs = new FileStream(FilePath, FileMode.Open); } catch (FileNotFoundException exp) { return exp.Message; } catch { return "Не удаётся открыть файл"; } return "all right!"; } …

Hi I have a problem with vc++ (vs 2010 ultimate) debugger. I my code I use a path like this "madia/img.bmp". If I click "Start debugging" or "Start without debugging" the program doesn't load the file but if I enter the Debug folder and than double-click the exe file than …

Hi everyone! I know using "system" in c++ is not the best way to develop, however, I need to use it for some specific reason. I have read that it is advisable using before system(NULL) to check if there is a shell available. My question are: When is not going …

Hello, I'm experimenting with creating a web page using VB 6.0 DHTML and have run into problem. I have a page started with text and now I want to add some buttons or elements. The book I've been using says I can just double-click on the element, or pick the …

[CODE] import java.io.*; import java.io.IOException; public class ReadWriteFile{ static File f1 = new File("C:\\source.txt"); static File f2 = new File("C:\\dest.txt"); public String readFile() throws IOException { String msg = ""; FileReader fr = new FileReader(f1); BufferedReader br = new BufferedReader(fr); msg = br.readLine(); System.out.println(msg); fr.close(); return msg; } public void …