Software Development Forum

Hey guys! I'm trying to write a recursive function to take a number in binary form and change it to decimal. As of now I am having the dumbest problem. I can't seem to take 2 to a variable power. This is probably something so basic but I'm drawing a …

Hi, I keep getting the error Guid should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx) when i try to make a guid. [CODE] string entryNum = Convert.toString(entryNo); Guid key = new Guid(entryNum); [/CODE]

I want to get only y and n from user to enter when user try to enter another it get the input again until user enter "y" or "n" i use this logic but its not working [CODE] do { cout<<"\n\n Enter Number: "; number=getche(); cout<<"\n Want to enter another:(y/n)"; …

I'm supposed to create a program that takes a input file and goes through it and outputs it into a index file and counts the number of times a word appeared. It is only supposed to do words that are 3 letters or longer and I can't figure out how …

I am getting an Error stating canot convert string to Char type code is as follows [code] /* Jonathan Thomas ITSE 2421 intro to object C++ begin sudo code: function takes in string variable called "verb" function uses string function verb.length to determine length of string assigns value to size …

My goal is to implement a sorting into a linked list. I have everything working thus far, but I'm a bit stumped as to how I need to change my insert function in order for an element to be placed in the appropriate location. Here's my code thus far: [CODE] …

IS THERE ANYONE OUT THERE THAT KNOWS HOW TO WRITE TO A FILE'S LINE, WITHOUT CHANGING OR DELETING ANY OF THE OTHER LINES FOR EXAMPLE IF A LINE SAYS Status: Show and i want it to change that line to Status: James plz help

My program is supposed to essentially be something like Wheel of Fortune. As long as the user guesses letters that aren't in the word, the program behaves properly. But, when the user inputs a letter that IS in the word, the program stops and doesn't continue at all. [code] #include …

Let's say I have form1 and form2. Form1 and Form2 are open. You click a button on Form2 and it adds 1 to a variable called myNumber on Form1. Now the problem is I can't use the new keyword and create a new instance of Form1, because Form1 declares myNumber …

Hi all, Im using hibernate in netbeans to map to a mysql database, but am having problems.... when I open a session: [CODE]Session session = SessionFactoryUtil.getInstance().openSession(); session.beginTransaction();[/CODE] it prints out this in the console:... [COLOR="Red"]12/04/2010 9:50:26 AM org.hibernate.cfg.annotations.Version <clinit> INFO: Hibernate Annotations 3.3.1.GA 12/04/2010 9:50:26 AM org.hibernate.cfg.Environment <clinit> INFO: Hibernate …

can any one please give me a link from where i can find out how python executes internally,i mean the way objects are declared, stuff stored etc.

[CODE]from Tkinter import * import random weapons = ("rock", "paper", "scissors") class Application(Frame): def __init__(self, master): Frame.__init__(self, master) self.grid() self.create_widgets() def create_widgets(self): Label(self, text = "Choose your weapon!\n" ).grid(row = 0, column = 0, sticky = W) Label(self, text = "Weapons:" ).grid(row = 1, column = 0, sticky = W) …

Hello, I have a program where after you login, I need it to re-design the whole window. Is there a way I can change the WndProc to make the code cleaner. Thanks. I have a case for the login if successful, so it will be put in there.

I just cannot figure out what is wrong, so tried. Can someone please help me so I can finish this today or tomorrow please. [code] //adds all 10 panels together this.add(mainpanel); //set see the frame setVisible(true); } JOptionPane.showMessageDialog(null,"Oringinal Balance = $" + recieveAmount + "\nPayment#" + x + "\nMonthly Payment$" …

I have figured out how to populate the comboboxes for an app I'm making from a database this is not the actual code but is basically the way I'm populating them [code] for i = 0 to maxrows - 1 cbobox.items.add(dataset.tables("datatablename").Rows(i).Item(x)) next i [/code] I need either to be able …

Im teaching myself the Win32 API, so im messing around learning functions and what not. So how do I change the text on the button if it is clicked? I cant figure it out. Thanks [code] #include <windows.h> LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam); const int …

I am trying to write an function, which takes an string as input and do something and return the strings. Here Is a small try from my side. [CODE] #include<stdio.h> char algo(char n) { char result[15]; if(n=='1' || n=='2' || n=='3' || n=='4' || n=='5' || n=='6') { result = …

I am having trouble adding the ability to order an integer array in both ascending and descending order. I have implemented the functions myself and am having trouble figuring out how to order them in reverse order. I am passing in a boolean variable to test which direction the array …

I had my code working properly, but once I added my last array, it goes through the compile and then errors out....and I'm not quite sure why.... [code] #include <iostream> #include <fstream> #include <cstdlib> #include <cmath> using namespace std; int main() { double num[100], sum, count, newnum[100]; int j,i; ifstream …

Hi all im after a piece of code that allows the user to enter a fraction e.g 1/4 and have the code split that fraction into 2 seperate variables, e.g variable 1 containing the '1' variable 2 cantaining the '4' How would i achive this? My objective is to make …

There's a simple question? how to print the size of a variable without using functions like sizeof() ? for example if you were asked to write a program that prints size of int without using sizeof() with a resault as below: cout<<sizeof(int);

Hi i have been trying to get a GUI in BlueJ working properly but i hav come across a prolem, i hav 2 buttons which i want to use but when i click them the actionListener wont run my methods. In the action preformed bit i tried to make it …

I am trying to read a file into an array and set the min and max values. At this point in my program, I am trying to just read it into an array and then display that array. I still have more to do in the program, but I am …

My main.java [CODE] public static void main(String[] args) { // TODO code application logic here Rational x = new Rational (); x.num = 2.0; x.den = 3.0; System.out.println (x); Rational.negate (x); Rational y = new Rational (1.0, 3.0); System.out.println (Rational.invert (y)); } [/CODE] My rational.java [CODE] package rational; public class …

Ok so this is my code below in my member function definition .cpp file. The problem is when I execute the program it will not let me fill the answer for the first question so for example the output is: Please enter the name of the receiver: Please enter the …

***Editted: added second problem I have this code, how do I make it stop once it's found the first instance of the [B]if[/B] happening. break, myparser.close(), and return don't work. [CODE]from html.parser import HTMLParser class MyHTMLParser(HTMLParser): def handle_starttag(self, tag, attrs): if tag == 'a' and (attrs[0][1].find('downloads&showfile') != -1): print(attrs[0][1]) print(attrs[1][1]) …

In the code below I can't understand the line [COLOR="Red"]List<Surface> sfcStars = new List<Surface>();[/COLOR] What's going on here, and what are "<>" those doing in the code, I've never seen the before. I got this code from [url]http://www.tuxradar.com/beginnerscode[/url] [CODE]using System; using SdlDotNet.Graphics; using System.Collections.Generic; using System.Drawing; namespace TroutWars { class …

Hey guys for my assignment i have to write a program which checks the information inside a text file to make sure it is all integers and then convert the integers to roman Numerals. My program seems to have a bit of a problem and im not sure where exactly …

Hi there, i m working on dining philosopher problem , i wrote some codes but i keeps giving some error like : "/tmp/ccMEjOtr.o: In function `philosopherRun': betterDiningPhilosophers.c:(.text+0x7a): undefined reference to `pthread_mutex_trylock' /tmp/ccMEjOtr.o: In function `main': betterDiningPhilosophers.c:(.text+0x54d): undefined reference to `pthread_create' collect2: ld returned 1 exit status " even i try …

Hi mates :) recently I did this code: [CODE]#include <iostream> #include <windows.h> #include <string> using namespace std; int main() { int check = 1; string dir; string dir2; string name; cout << "Which directory is the file located?\n"; getline(cin, dir); cout << "\nWhere you wanna move it to which directory?\n"; …

ok i have this project that i have been working on to fin harmonic,powerful,amicable and perfect numbers i have a few but im at a road block right now and would love some assisstance. [B]POWERFUL NUMBERS[/B] [CODE]#include <iostream> using namespace std; int main() { int endRange = 500, var1, var2, …

hey guys, as well all know, C rounds downwards, anyway, i'm trying to write a function that would make it round upwards, and got something like this: [code=c] int round_up(float x) { int y = 100*x; double z = 100*x-y; if(z>0) y = (x+0.01)*100; else y = x*100; return y; …

Trying to write strcat function, kindly review the code and post the comments.[code]char* mystrcat(char* dest,const char* src) { char* ptr; ptr = dest; while(*dest++ != NULL); dest--; while(*dest++ = *src++); return ptr; }[/code]

[code=java] import java.io.*; import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.text.*; import java.util.*; public class Transfer extends JFrame implements ActionListener { //Declare output stream DataOutputStream output; //Construct a panel for the fields and buttons JPanel fieldPanel = new JPanel(); JPanel buttonPanel = new JPanel(); //Construct labels and text boxes JLabel …

So for example, I have an array like that: [CODE=C#]char[] pattern = "GCAGAGAG".ToCharArray();[/CODE] And what I would like to do is to extract out distinct values and its corresponding indexes(smallest one) from right to left where first letters does not count. example: reversed array: [COLOR="Green"]GAGAGACG[/COLOR] Distinct values are: [COLOR="Red"]A, C, …

hello! i've just tried out lists in c++, but they're giving me some kind of problem. it has something to do with iterators but i'm pretty sure i'm using them the right way. anyway, here is the code: [CODE] #include <list> #include <iostream> int main(int argc, char* argv[]) { std::list<int* …

[CODE] HKEY hkey; DWORD nSubKeys = 0; TCHAR name[MAX_PATH]; DWORD size = sizeof(name); FILETIME filetime; if(RegOpenKeyEx(HKEY_CURRENT_USER , "Software" , 0 , KEY_QUERY_VALUE , &hkey) == ERROR_SUCCESS) { if(RegQueryInfoKey(hkey , 0 , 0 , 0 , &nSubKeys , 0 , 0 , 0 , 0 , 0 , 0 , &filetime) …

Hello Python forums, I started working with Python recently and picked up a book. The book stated discussing using the ctypes module in python which is slick because it's exactly what I need to be learning. I started trying to test my knowledge by implementing a simple, singly linked list …

I have files that contain lists of lists. Each file has about 20.000 lists that each list member is a list of itself with 15 values. Think of it as a database table. I know we can use a binary search to find a member of a list but can …

Hello all I hope someone could help me, i have a small application that I wrote for a friend, but I need it to start up every 24 hours or so. It basically like a reminder application but i need it to start up at a predefined time. I have …

at the moment i have 2 answers to queations and the answers are 1,2,3 or 4 but i ow have to make it so the user has to put a work in like "Brazil" but i try to do the same as if the user puts "A" in and it …

I know I'm going to be bashed at for this, just please read at least this much before you start yelling at me to read the faq or thousands of other posts online. Im having a problem clear screening for my school work since my teacher has a fetish for …

Hi,All, I am try to develop a project where the back en database is MS access, front end is vb6 and connectivity establish by odbc. the database content multiple table. Frost table [COLOR="Green"]student[/COLOR] contain [COLOR="green"]roll, name[/COLOR] second table [COLOR="green"]marks[/COLOR] contain [COLOR="green"]roll, math, English[/COLOR] there is four text box namely txtRoll, …

Hello, I am trying to make a calculator that does multiplication, division, addition and subtraction. My problem is that when I have the two numbers that have decimals it goes wonky. Anyway, that program runs like this: 1. User enters equation 2. Unwanted characters get thrown out 3. If operation …

Any forward error correction (FEC) implementation in C++? i need it for my project. i converted character into ascii value then converting them into binary values.now i need to append error correcting bits. i m doing my project in vc++. following is part of my code: [CODE]array< array< int >^ …

hi everyone, I am currently working on a small college project and I was wondering if it was possible to insert MS Paint in one of my form. If such a method exist, I would be really grateful if you can give me the code as well... ..............(the fact is …

[code=c] #include<iostream> #include <string> #include <sstream> using namespace std; int main(){ int i=0, ii = 0, x; string input; //command to prompt user for amount of movies cout<< "How many movies do you want to add? "; getline(cin,input); //end command to prompt user for amount of movies //set up loop …

I'm working with a HCS12 Motorola chip trying to make a MIDI player. Got stuck on the function of play/pause/forward/back. These are controlled by external switches set to high and low. Below is my attempted switch settings: [CODE]switches LDD $0000 CPD #$0001;"pause" button BNE AFTER_1 PAUSED LDD $0000 CPD #$0002; …

Binary Search tree help Can somebody explain to me what this code is doing step by step?, thanks [CODE=Java] TREE-SUCCESSOR(x) 1 if right[x] ≠ NIL 2 then return TREE-MINIMUM (right[x]) 3 y ← p[x] 4 while y ≠ NIL and x = right[y] 5 do x ← y 6 y …

hi, can anyone help me with my code, any help will be much appreciated. The design should follow object oriented principles and use the UML tools. It should be a board game based on a “Monopoly-style” board made of 36 squares. The game is for two players who first enter …