Software Development Forum

Hi Guys, Please be gentle with me as im a complete n00b. My favorite language is actually Java which im learning at Uni at the moment. However to throw a spanner in the works they have switched us over to Python, as well as learning Java. My mind has been …

I've got an array CALENDER=(31 28 31 30 31 30 31 31 30 31 30 31) I have two if statements that Need to get an index from the array above but when I feed a value into the brackets e.g. ${CALENDER[${SECONDDIGIT}]} or ${CALENDER[${FIRSTDIGIT}]} it seems to only be getting …

hi everybody! i want to get all drives and their directories and sub-directories displayed on a tree view just as windows explorer. pls i need very comprehensive codes to do that...thanks

http://en.wikipedia.org/wiki/Transposition_cipher#Columnar_transposition This is wiki site of what am trying to do #include <iostream> #include <cstring> #include <cmath> using namespace std; char GRID[3][80]; int MENU(int menu_choice); int REVIEW_OF_GRIDS_FIRST_79_CHARACTERS(int four); int main() { cout << " This is RAIL FENCE CIPHER\n" << endl; //----------------------------------------------------------------------------------------------------- //filing GRID with asterisks(*) char asterisk='*'; int k=-1; …

Hi I am populating my combobox with table's data (example table name is "ITEMS" and table is having only one column and that is displayed as combobox items). In my form i am having i combobox,button and textbox. I will enter a new item in textbox and if i click …

I am developing a code where im getting the interval of two dates for example DTLeavePayFrom = 1/1/2013 DTLeavePayTo = 1/14/2013 since 1/1/2013 is tuesday and 1/14/2013 is monday, the date diff of both date is 14 but how can i exclude the count of 2 sundays, i have an …

I need to convert a DWORD into 4 bytes to send to serial RAM. All the examples of using SPIRAM, EEPROM and FLASH use `*variable` to send and receive. I can break the DWORD down into bytes which I stuck in a `char[3]`. I don't, apparently even with all my …

All, I'm trying to use a RichTextBox to display the revsion history of my program, and I can't figure out how to format the text (bold, italic, etc.). I'm using the String Collection Editor in the Lines Property. Anyone know how to do this, or if I should be using …

I wrote the following script to try and get validate if a date was valid or not. I think I've about got the script done but I'M having some trouble getting the values from the array. When I input 11291985 into the program I'M getting "29 is invalid" I can't …

// hi-low guesser #include <iostream> #include <string> using namespace std; const int NUMBER_OF_GUESSES = 5; int main() { string firstName; int computerGuess; int numGuesses = 5; char answer; int min; int max; cout << "please think of a number between 1 and 100, and I will try to." << endl; …

HI peeps, I have a question about the following program: TempScale.java: public enum TempScale { CELSIUS, FAHRENHEIT, KELVIN, RANKINE, NEWTON, DELISLE, R�AUMUR, R�MER, LEIDEN }; Temperature.java public class Temperature { private double number; private TempScale scale; public Temperature() { number = 0.0; scale = TempScale.FAHRENHEIT; } public Temperature(double number) { …

AFter asking for name, it doesn't ask for other things, just gets to the end where it says "game has been developed by.." Kindly guide me what i am doing wrong. i am a beginner, trying to learn. Thank you! Here is my code: #include<iostream> #include<conio.h> #include<stdlib.h> #include<stdio.h> #include<time.h> using …

Inside FileTwo.h #ifndef FILETWO #define FILETWO #include"FileOne.h" class FileOne ; class FileTwo { public: int Test(FileOne One){ return (One.var1+One.var2);} FileTwo(void); ~FileTwo(void); }; #endif Inside FileOne.h #ifndef FILEONE #define FILEONE #include"FileTwo.h" class FileTwo ; class FileOne { private: int var1 , var2 , var3 ; public : friend int FileTwo::Test(FileOne One); …

Hello, I have a tcplistener and a tcpclient. If the client computer went down for some reason, what would be the best way to handle disconnections. Thanks in advance, Minko

Hey everyone! Happy New Year! I am trying to hone my programming skills by writing simple applications. I created a very simple currency converter program (hard-coded exchange rates....so nothing special). I first created it as a console app, and then in WPF. Anyway, I ran into an issue with the …

Alright Im new to this forum so lets hope this goes well, I have decided to learn Java and I started with the lwjgl, I have the exact class and code as posted here: [lwjgl (display)](http://www.lwjgl.org/wiki/index.php?title=LWJGL_Basics_1_(The_Display)) When I run the code I get an error message that says: `JavaVM WARNING: …

Hello everyone, I have my problem in using timer in vb. I have aleady the value, all i want is my time will count down. my sample code is this: Dim datetime As DateTime Private Sub ... datetime.AddMinutes(MinuteBox.Text) datetime.AddSeconds(SecondBox.Text) datetime.AddTicks(1) End Sub Dim remaining As Integer 'unused variable Private Sub …

Dear all, I am a newbie in C. Just come across function prototype. I have a task in write a function prototype for: * A function that finds the larger of two numbers and returns the result and i write the following. #include <stdio.h> /* Function Definition, I do not …

I am trying to create a GUI app were the user inputs an, item name, price, and discount rate. The button should calculate the two numbers and display the discount price. I am stuck on the action listener and making it preform the action/calculation correctly. I am a pretty novice …

Hi everyone. I have to do a simple Sokoban game, but I am new in Java and I really don't know how to begin. If you can help me with some advices or tutorials I'll be very thankful.

I am in the process of learning python, but I have a problem some one gave me last week that I wouldn't mind solving before I get to where I actually learn about it. I think python is the best choice. I need to generate a txt file by inserting …

Greetings, DaniWeb! I have an Access DataBase with a Form I need to modify. When the user moves between records, I need to trigger an event. Is there an event that triggers, and what is it? I know it's not Form.Load. Thanks, DaniWeb!

I'm reading through a C# coding standards document and come across a section that reads as follows: * Try to prefix Boolean variables and properties with "Can", "Is" and "Has". Can anyone give me an example of hows it's done or maybe a useful link on the subject please ? …

This example program of using the multiprocessing is crashing my i7 4 core windows7 64 bit computer (32 bit enthought Python 2.7), but is running fine in virtual machine Ubuntu with 4 cores assigned. Can anyone run it in their commputer in Windows7. My system memory (8 GB) is totally …

Can C++11's Mutexes be used for Inter-Process Communication? In other words, can it be used for shared memory and signalling an event? Currently, I'm using CreateEvent and SetEvent from WINAPI and I wanted a cross-platform way of doing so without doing #ifdef windows and ifdef linux, etc.. I use CreateEvent …

This is based on John Conways Game of Life, a simple yet awesome code that simulates life. Rules are simple, if a cell has less then 1 or more then 4 living cells next to it, the cell dies. An empty cell with exactly 3 living cells next to it …

Hi I have written a program, it doesn't work and i can't figure out why. It does compile, but it doesn't run. The whole program: #include <stdio.h> #include <stdlib.h> #include <ctype.h> int main() { int a; int j; int c; int d; int dig; c = 0; int i; a …

Hi to Everyone, I want to get the total (column) amount using Listview w/o database VB.NET Help me please... Thanks.. _______________________________________________________________________________________________________ lstitems Item Name | Unit Price | Quantity | Amount ------------------------------------------------------------ Sample1 | 100.00 | 1 | 100.00 Sample2 | 100.00 | 1 | 200.00 Sample3| 100.00 | 1 …

Santa just brought me a fancy notebook computer and I want to know if anyone has some experiemce with accessing that little camera with Python code?

anytime i add a directory in a .pth file of my c:\python30\Lib\site-packages folder on windows and i try to import from the listed directory in my .pth files, i get an import error that the module does not exist and after importing sys on the windows command line interface and …

hi people.. I was wondering if u experts could help me with this. I have attached a screenshot of my form. This is an invoice system.. I have customers table for customer profiles.. I have Products table I have manufactures table I want to save all invoices so that these …

Hello, I am a new to python. I need to solve 5 exercises. Any help would be very much appreciated!! thank you! 1.Write a program dotplot.py That takes as input a fasta file with two sequences A scoring matrix and sliding window, such as: dotplot.py fasta.in score.mat 11 and prints …

Dear Friends, I have a sequence of two values as the following: 00001.doc d:\pathtofile\image50.jpg 00002.doc d:\pathtofile\image38.jpg 00003.doc d:\pathtofile\image40.jpg ... I would like to add the values to a list, sort the list by second value and rename the first value accordingly. For example, the following steps: Step 1 '00002.doc', 'd:\pathtofile\image38.jpg' …

Which Are The Best Compilers For C++ and C . I Was Using Dev-C++ Till This date , I Just Upgraded From Windows 7 to 8 , Any Good Compilers ? Thank You !

What is the best way to use a dictionary within a class. Do I have to assign the dict within the class ? Thanks

Hello Everyone! I am a beginner user of Python without IT background (I am interested in IT developing my knowledge step by step). So far I did simple scripts in Python and I encountered a problem. I was looking on Google, however I didn't find the satisfactory answers which would …

I was just wondering if there was any way to validate a listbox into only allowing a letter to be entered once, no matter the case. I am making a Hangman game and I only want the user to be able to enter a letter once, but I want the …

Hello, I am trying to compute the GCD non-recursively. I have no errors but when I run the program it aborts because it says c is not intlized. [code=cplusplus] #include "stdafx.h" #include "stdio.h" int main (void) { int a,b,c,r,result; printf("enter a value for a\n"); scanf ("%d", &a); printf("enter a value …

I have noticed that when I install a new .NET program (using msi file) on a slow computer, this program needs a lot of time for its first execution. Once the first run is done, if I restart the same program, execution time is normal (even after restarting the computer). …

Hello, After a relatively small C++ background, I decided to learn some Java. I want to be able to pass two variables from my main class, evaluate them in another class, and return that answer to the main class. I have all the code done for it pretty much, but …

Hi.. do you think you can make an shortcut of this? I have combobox like 40 combobox i have to put it like combobox1.additem("sample") combobox1.additem("sample2") combobox1.additem("sample3") combobox1.additem("sample4") combobox2.additem("sample") combobox2.additem("sample2") combobox2.additem("sample3") combobox2.additem("sample4") combobox3.additem("sample") combobox3.additem("sample2") combobox3.additem("sample3") combobox3.additem("sample4") until combobox40 i put it like that is there a way to make it easier?

Hi all, I am reading about non-copyable objects from this source: [Link](http://en.wikibooks.org/wiki/More_C%2B%2B_Idioms/Non-copyable_Mixin) I am not able to understand how making the "=" operator for the base class as private is preventing the derived class to make copies. We could just have a public "operator =" in the derived class that …

I need help figuring out how to fix my code. Every time I run the code its traceback is to this part of it. My code is Unbound Local Error for 'result'. Please see code below: def Level1(self): sql = "SELECT easyhint, gps, qrcode FROM gamedb WHERE quad = 1 …

[import java.util.Scanner; import java.util.Random; public class HangmanMy { public static void main (String[] args){ System.out.println("Welcome to the game Hangman :)/>"); Scanner input = new Scanner(System.in); boolean done = false; String guess; String guesses = ""; char letter; int wrongGuess = 0; StringBuffer dashes; System.out.println("Choose a category -> places / games …

Traceback (most recent call last): File "C:/python files/USACO/crazy/crazy.py", line 87, in <module> grid.plot(x,y,"F") File "C:/python files/USACO/crazy\grid.py", line 63, in plot self.g[(x,y)] = replace TypeError: unhashable type: 'list' You see, I'm hashing a string with the key bing a tuple. This is using my own 2d grid data structure.

Any one can help me out i want to display a spiral of n*n size with out using arrays? out put when n=2 should be 3 2 0 1 when n=3 should be 8 7 6 1 0 5 2 3 4 when n=4 should be 15 14 13 12 …

Hello, How can I go about hiding a form from another thread. I have two forms and a module, from the module I have started a new thread and at some point during this thread I want to hide the second form. How would I go about this as everything …

Hi, I'm trying to get the printer name selected by the user with the PrintDlg() dialog. I made a sample Win32 project with VS 2008, (with "Use Multi-Byte Character Set") and inserted the following code in the "About" callback part: PRINTDLG pd; BOOL rc; DEVMODE *dev; DEVNAMES *dvn; char *name; …

Inside General.h #ifndef GENERAL #define GENERAL namespace counternamespace{ int upperbound; int lowerbound; } #endif Inside Analyzer.h #ifndef ANALYZER #define ANALYZER #include"General.h" class Analyzer { public : int var ; int func(); }; #endif Inside Test.h #ifndef TEST #define TEST #include"Analyzer.h" //Error class Test2 { public: Test2(void); public: ~Test2(void); }; #endif …

Hi I have started learning C and my first problem is very simple. I can't get output from a program! What am i doing wrong? #include <stdio.h> #include <stdlib.h> int main() { int a; int c; c = 0; int i; a = 0; for (i = 0;c = 0;i++) …