Software Development Forum

Hello, the exercise says to define a group of locations to define months using a standard number of bytes, and to use 8 bit unsigned to set the number of days for each month... i wrote this DB 'GEN',31D DB 'FEB',28D DB 'MAR',31D DB 'APR',30D DB 'MAG',31D DB 'GIU',30D DB …

Hello, How do i resize/stretch the image inside a pictureBox(win32 form)? i was only managed to resize/stretch the border of the pictureBox, but i want to resize/stretch the image itself, how do i do it?. Thank you in advanced.

[CODE]java.lang.NoClassDefFoundError: Main Caused by: java.lang.ClassNotFoundException: Main at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) Could not find the main class: Main. Program will exit. Exception in thread "main" Java Result: 1[/CODE] after i had done my system. this error message pop up and restricted me …

Write the function my_strchr(). The function has two parameters: a const char * s pointing to the first character in a C-style string, and a char c. Return a pointer to the first appearance of c appearing inside s and NULL (0) if c does not appear inside s. Is …

Hi, I'm having an error when running this program and I don't know what kind of error is it. So hoping someone can help me. Thank You!! Program: The input file is created with positive and negative numbers. When program ask for the input file it should be the same …

Hi there everyone!! Struggling a bit with some Linked Lists combined with copy constructors as well as operator overloading. Here is the code of the header (.h) and the implementation file (.C). Hope that you can help! [CODE] /////////////////////////////////////////////////////////// ////////////////// //////////////////// ////////////////// Queue.h //////////////////// ////////////////// //////////////////// /////////////////////////////////////////////////////////// #ifndef QUEUE_H #define …

Ok, well Ive pretty much finished my program and now all thats left is this error that keeps coming up and I dont know how or where to fix it. The error comes up under the bracket. Iam guess Iam missing a bracket at the end, but when I put …

Write the function my_strncpy(). The function has three parameters: a char * dest, a const char * src, and an int max, which represents the maximum size of the destination buffer. Copy the characters in src to dest, but don't copy more than max-1 characters. Make sure you correctly terminate …

Hello guys, Can someone explain what is going on on this code? 1. why we needed **p in the function [B]AllocString[/B]? 2. why if I change [B]AllocString(strlen(s), &copy);[/B] to [B]AllocString(strlen(s)-7, &copy);[/B] I can still get a good result? Thanks! [code=c] #include <stdlib.h> int main() { char *s="example"; char *copy=NULL; AllocString(strlen(s), …

I have an issues with my int array, i have a game where its like a mega version of Tic Tac Toe where you need 5 to win instead of 3 and i have tried to come up with a system of checking for a winner or not (right now …

Can anyone expand on why you get this error?

Hello, I got stuck trying to solve the following problem in Python. I understand that I somehow need to implement Dijkstra's algorithm to solve this problem, but how I've no idea. [B]Inside a room, there is a monster with N heads, and a human (with 1 head). The human has …

Hi Everyone I'm busy preparing for my programming examination and I would really appreciate it if someone could just give me some references(websites) to some c++ programming exercises. I believe the best way to prepare for this kind of examination is to practice writing code and understanding it. Thanks!

numeric_limits<double>::epsilon() gives the error of (double)1.0 in the sense that 1+epsilon is the next double value which is represented. But how can we calculate the error of arbitrary double number?

While reading Stroustrup's "The C++ programming language", I was puzzled at 'declaring a pointer to an array of character strings and declaring a reference to an array of 10 integers', and I had to clear my mind on pointers to arrays. I am posting here the notes I made to …

Hi all I made this animation app and I think its all correct however i get a error message which is: Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 2, Size: 2 at java.util.ArrayList.RangeCheck(Unknown Source) at java.util.ArrayList.get(Unknown Source) at Animation.getScene(Animation.java:56) at Animation.getImage(Animation.java:49) at MainAnimation.draw(MainAnimation.java:64) at MainAnimation.movieLoop(MainAnimation.java:53) at MainAnimation.run(MainAnimation.java:34) at MainAnimation.main(MainAnimation.java:10) I cant …

hey guys, i need to pass 'this' as the template function parameter.. any help will be appreciated.

plz mention me the errors i dont understand what i do.. [CODE]#include<fstream> #include<iostream> #include<string> #include<ctype.h> #define _TABSIZE 4 using namespace std; int tabsize = _TABSIZE; class token { public: token() : _what(code) {} public: enum type {code, comment, pp, keyword}; string _str; type _what; friend istream& operator>>(istream&, token&); friend ostream& …

Write the function my_strrchr(). The function has two parameters: a const char * s pointing to the first character in a C-style string, and a char, c. Return a pointer to the last appearance of c appearing inside s and NULL (0) if c does not appear inside s. is …

I want to write a code that sort a cstring and put all the correct character into a new cstring, Here is my Code. [CODE] #include<iostream> #include<cstring> #include<cctype> using namespace std; int main() { char array[200]={"How Are U?"}; char array1[200]; int n=0; for(int i=0;array[i]!='\0';i++) { if(islower(array[i])||array[i]==' ') { strcpy(array1[n],array[i]); n++; …

Hi all, I have a GUI and working programs, however I need to put the program into the GUI to make it work, but im experiencing the problem that my GUI codes are all in a class and my codes are in man different classes, is there a way to …

Hi, I have a textbox(placed inside a ItemTemplate) inside a gridview.I want to validate the text entered in the textbox for date(mmddyyyy format) values,without using any validation controls. Could anyone help me out with the C# code. Thanks in advance.

Hi all, Hopefully someone can help me out with this one. I have a form which gets populated by 15 buttons dynamically at runtime (these need to be dynamic as there will be a user config file at some point) What I need these buttons to do is to open …

Hi, I am trying to figure out how to get my program to do one of two things: Either... 1. Create and remove a semaphore based on me entering a 'r' in the command line at argv[1] or 2. If argv[1] is a 'n', then I want check to see …

Please be patient with me for this is my time posting and I am still in the primitive stages of programming. I am using C++ VS. Thus far, the code I have written will prompt for a users first name, last name and telephone number(without dashes or parenthesis). The output …

First off, yeah I know there are many codes out there for this, but how can one learn without doing. Ok So we need to write a code to see whether two words are anagrams of one another. Here is what I have, it compiles but does not work. The …

I'm trying to get what I put in the value for the database to output, however whenever I use a cout statement with the a.name I get an error on line 21 which is the line with the cout statement. I've done it the way it is in the examples …

Below is my code [code] string str2 = "1, 2, 3, 4, 5, 6, 7, 8"; string output; typedef std::tr1::sregex_token_iterator sti; const sti end; for(sti i(str2.begin(), str2.end(), regex(",\\s"), -1); i != end; ++i) { //output += "\"" + *i + "\", "; output += "\""; output += *i; output += …

I have a script that is using the internet protocol 'Curl' I am sending a http _POST to a php file. To send a post with curl, I need to make a char variable with all my info. for example "name=andrew&country=usa" Here is where the problem comes in - One …

[CODE] class example { public static void main(string args []) { Sysytem.out.printIn (This is a simple Java program....); } } [/CODE] I am using Windows Vista Ultimate I tried to rum this program in DOS shell...... Error 1 :Exception in thread "main" java.land.NoClassDefFoundError : example I tried to remove it...by …

I get the error " no match for 'operator=' in '* n->node::child = root' in the "insert" method and I don't know how to fix it. I know it has something to do with pointers and the way I initialized the array. What I want to do is is put …

Hello. I am relatively new to C++ programming, and I have a question about a program that I am supposed to write. The assignment reads... Prompt the user for a word; call it SEARCH. Then begin reading words from the user, counting them until SEARCH is entered. Display how many …

HEY GUYS I'M WORKING ON A CALCULATOR USING THE SCANNER CLASS. HOWEVER THERE IS A CATCH TO IT I CAN ONLY USE ADDITION AND SUBTRACTION TO CALCULATE ANSWERS. I HAVE TO MAKE IT INTERACTIVE AND ASK THE USER WHAT FUNCTION THEY WOULD LIKE TO DO(1.ADDITION,2.SUBTRACTION,3.DIVISION,4,MULTIPLICATION) I'M GOING TO USE A …

hi im new to programming and i was told to create a dice game where a player rolls and the dice rolled will added to the total score until the score is reached its maximum limit but i cant get it to work.. my problem is i cant keep hold …

I have made revisions to my program. I gave up on the idea of using functions that return arrays. That was far too complicated for the expected benefit. This latest version compiles and runs correctly with all of the provisions required by the exercise. What remains is feedback on the …

This is the sample code my proffessor posted online [CODE]import java.applet.*; import java.awt.*; public class AnAppletSubclass extends Applet { public void init() { System.err.println("Hello from AnAppletSubClass.init - the current value of n is " + n); color = Color.green; } public void paint(Graphics g) { setBackground(color); System.err.println("Hello from AnAppletSubClass.paint-- the …

[edit] This code was originally posted [URL="http://www.programmersheaven.com/dow...3/ZipView.aspx"]here [/URL][/edit] The problem is to find all ways of placing n non-taking queens on a n by n board. A queen attacks all cells in its same row, column, and either diagonal. Therefore, the objective is to place n queens on an n …

I'm getting a few error codes on this part of my lab. I showed it to another colleague and he said that it should work as written. Maybe one of you can see the error that I'm missing. I'd love to be done with it and get it turned in. …

Hi, I have following questions, 1. I want to know that what is the difference between tcp tunneling and regular tcp client server chat program. 2. If I live in Sri Lanka, and I want to connect and pass data to a pc with a dynamic ip (a standalone one, …

I'm trying to input numbers in a binary tree with an array of random integers. But all I get is two numbers, and they are always the same! From the main: [CODE] const int length= 10; // This is used several places, hence the const int array[length]; // One of …

hey guys, i have a little problem i have got a method that removes the line of text in a file. for example if i specify a name and the name is on one of the lines in the file.txt it would remove it. what i want is that once …

Hi there, i just joined this forum in hope improving my Programming skills. Currently i have a college assignmnt. It is to create a dice game "There is a little known dice game which is played with a pair of dice and has the following rules: the player keeps rolling …

I need to create a large integer array but I am not able to increase its size beyond max int value. How do I create larger arrays?

Hi! I'm trying to create String array from ArrayList. This task seems to be trivial, however I have a problem because of using "interface". The code and error message are shown below. Please, give me some advices to solve this problem. Thanks! [CODE]public class Class1 { public List<myInterface> getAllTasks() { …

hey everybody ... well im facing this difficulty .. i made one project .. and im not able to .. create a jar for it my project consists of the following files a package Prj that contains all the classes along with it i have 2 files.. with contain some …

I get a Segmentation fault error and I cant find what's wrong with the program. programs fails when it tries to execute this line "delete [] this->courseList" in operator = overloading function. [CODE=c] #include <iostream> #include <string> using namespace std; class Student{ private: //A string that stores the name of …

Hi! Does somebody know how to get the total number of MenuItems in JPopupMenu? I'm searching for something like, popupmenu1.getNumberOfMenuItems(). I need it for the FOR statement [CODE](for int i=0; i<popupmenu1.getNumberOfMenuItems(); i++) { ... } [/CODE] Thanks!

[CODE] import javax.swing.*; import javax.swing.JFrame; public class Ejer1 { public static void main(String [] args){ JFrame frame = new JFrame (Box); frame.setVisible(true); frame.setSize(300,300); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JLabel label = new JLabel(); JPanel panel = new JPanel(); frame.add(panel); frame.add(label); System.out.println("*********"); System.out.printf("%s\n%s\n%s\n%s\n%s\n", "* *","* *","* *", "* *", "* *","*", "* *","* *","* *","* …

I need to write a program that generates a magic square of an odd number between 3 and 15. I have written out this much code, and when i type in 3 for the number it gives me the correct square. but any other odd number it gives me an …

Need idea for start this program.....? Consider the following Student class specification: public Student() //CONSTRUCTOR Initialized the attributes public String name () This Student’s name public String address() This Student’s address public String matric () This Student’s matric number public int creditHours () Number of credit hours this Student enrolled …