Software Development Forum

Hello, I did not find what I was needing with a search, so here goes. I am having problems getting my calendar to work, passing a start and end date for a rental car and displaying on the form the number of days chosen and the amount for the total. …

Hi everyone, I'm trying sort a C++ struct and print the result as output file. I don't know how to sort the structure. Did anyone develop this before? Thanks a lot, [CODE] #include <stdio.h> #include <stdlib.h> #include <iostream> #include <fstream> #include <string> #include <vector> #include <sstream> #include <algorithm> #include <cstdlib> …

I want to start a method whose name is in a string. My server program will be receiving commands from the client, perform those commands, and send the information back to the client. So instead of using a switch with many cases that only execute a method, I thought it …

First of all, sorry if my title is not all that descrptive and if this has already been answered, I looked around but did not find it so I decided to make my first post/thread. I am working on a little offline game right now and what I'm trying to …

I would like to make a LUDICROUSLY high number calculator in Python. I am thinking 60 numbers and a decimal point. So numbers could be in a format like these: 60 numbers, 30 numbers decimal point 30 numbers (30nums.30nums), or decimal point 60 numbers (.60nums). E.g. 999,999,999,999,999,999,999,999,999,999.999999999999999999999999999999 But, I am …

OK I have yet another homework problem. Again, help me by teaching, not writing my code for me. I have looked through the pages of threads on collision detection and found nothing to answer my question. My issue is that I have a collision detection method that should (in theory) …

Start Main( ) or btnRun_Click( ) Create a RaceCar object Set the car name to “Fast One” Set the x coordinate to 200 Set the y coordinate to 100 Call the car’s Move( ) method and show the resulting message Display a blank line to separate the two object results …

Hi :) i am new in C# and i am a little confused with the abstruct, virtual and override terms in C#... why they are good for? i tried to google it but i got more confused... for example - i am making a chess program and i made a …

I have a 3x3 array of [ICODE]MSTextField[/ICODE] which is a class I created which extends [ICODE]JTextField[/ICODE]. I'm trying to set all of the text fields to display the empty string ([ICODE]""[/ICODE]). My problem is I'm getting a nullPointerException at the end of the method which is supposed to do this. …

Hi, I need help with some small exercises. I'll try my best to provide my code but these are ones that I don't know how. So... maybe you can help me with yours! Thanks 1. Question 1: A program contains the following method definition: [CODE] public static int cube(int num) …

Hey guys, I am making a calculator program and don't want the user to type directly into the Entry, so I made the Entry 'readonly'. But that makes it to dark for my liking, so I am trying to set the readonlybackground='white', but it gives me an error saying that …

Is there a decent IDE for Java? Meaning, one that you don't think will end up making me rage and have annoying features that get in the way all the time making it unsuitable for development? What is the best IDE performance wise?

I have two projects in Microsoft Visual Studio 2008, but I can't access the objects/namespace from one with the other. here is an example from my GCController project: [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Runtime.InteropServices; namespace GCController { [Guid("9949f4f1-92e6-4709-85a8-12c816b6ceb4")] public interface IGCController { // ... // } …

Im looking to play a sound from a folder which is in my debug directory. I got this working for a PictureBox: [CODE]PictureBox1.ImageLocation() = ("Resources\picture.png")[/CODE] But I cant find something to play a sound. This is what I had before: [CODE]My.Computer.Audio.Play("C:\Users\......\Sounds\beep-2.wav")[/CODE] I dont really want to be writing the location …

Hello All, As the title.. Does any one know how to find how many specific character in a text? Best Regard Eko.

Hello :) for a chess program, i made a 8x8 array of square:PictureBox objects and i set variables inside them for the row & col there is a way to dont use those row & col variables and just "take" the index of the square from the 8x8 array when …

Hw do i reverse the mod function. That is: 6 mod 2 is 0. Nw hvn my result 0, dnt knw wat 2 is cald in dis case bt i got it as wel. Hw do i get bak to 6. 6%2 = 0. Hw do i reverse dat. I …

i was sure this should be easy but here i am. i have a text file with information of the tones required to play the mario theme. i was needing to read line by line and break out the numbers and put them in a array. the problem is i …

I am really new to c++ just started today. This is my first real program (however useless it is) and i am stuck with one error. I am writing my code on code::blocks using mingGW on windows XP. My error is as following-invalid converion from 'const char*'to 'char'. my code …

I am trying to run the following simple program which uses multithreading using pthreads. I compile it like: gcc -lpthread programName.c and it compiles fine. However, when I run it gives errors which I have pasted at the bottom of program. [code]#include<pthread.h> #include<stdio.h> void *thread_routine(void* arg) { printf("Inside newly created …

I am going through the Tk/Tkinter tutorial and when I try to run the menubar program I get two windows instead of a menubar on one window. Here is the code: [CODE=Python] from tkinter import * from tkinter import ttk root = Tk() root.option_add('*tearOff', FALSE) win = Toplevel(root) menubar = …

Need some help here it seems to compile fine but crashes at runtime. Am I missing something here? [CODE] #include <iostream> #include <string> using namespace std; // player class class Player{ int *position; public: Player(); Player(int); ~Player(); void print_pos(){ cout << "player 1 is in position: " << *position << …

Is there a better way to access the base class operator overload? I'm using casting, and it works just fine, just wondering if there is a better way. Is this bad/ugly code? [CODE]class StrategyKey { public: StrategyKey(){} ~StrategyKey(){} StrategyKey(const char* strA): str_strategy(strA) {} friend bool operator< (const StrategyKey& stratKeyA, const …

I've written a sales and inventory program in C# that makes use of SQL Server, because I've heard it functions well over LAN connections (haven't tried it yet). I've... let's say... hardwired the my connection string into the program. I have a notepad connection.ini file that has the connection string, …

Hello, I am having a problem putting this Array's output in a single GUI window. When I receive the output it just shows the grades in individual GUI windows (IE Erik 98 [OK], Fred 76 [OK], etc). If I put the output outside the loop then it doesn't recognize grade[i]. …

I have some problems about promotion traits [code] template<typename T1, typename T2> class Promotion; template<bool C, typename Ta, typename Tb> class IfThenElse; template<typename Ta, typename Tb> class IfThenElse<true, Ta, Tb> { public : typedef Ta ResultT; }; template<typename Ta, typename Tb> class IfThenElse<false, Ta, Tb> { public : typedef Tb …

I have a grid of RadioButtons, and need some help in Check / Uncheck acording to data collected from a .txt file. The .txt file contains a list like this: A01,a B01,b C01,c A02,a B02,b C02,c I have set up in a grid formation RadioButtons, and named them A01,B01,C01,A02,B02,C02. I …

Dear All, Could someone can help me with this.... I need to extract file name example ABC-01.xls in to ABC-01 only what method i could use on this? Could anyone help me please!!! Thanks & Best Regards

This is a mastermind game. I was trying to make sure that my twoD array was beinga ssigned right by printing it out real quick before i use it to draw a board in the console. For some reason im gettin these errors and i dont even have a clue …

[code=c++] int main() { Ferma *f[20]; int i=0; int e=0; do { cout<<"Alegeti optiunea:\n"; cout<<"1.rata\n" <<"2.gaina\n" <<"3.porc\n" <<"4.vaca\n" <<"0.iesire\n"; cin>>e; switch(e) { case 1: f[i]=new Pasari("rata"); //error at this kind of assignement i++; break; case 2: f[i]=new Pasari("gaina"); i++; break; case 3: f[i]=new Mamifere("porc"); i++; break; case 4: f[i]=new Mamifere("vaca"); …

Hello forum. I cant figure out how to overload the '+' operator or maybe theres another error? Im posting from phone so excuse the slopyness. Thanks! [CODE]#include <iostream> #include <string.h> #include <ctype.h> using namespace std; class Ferma { public: static int nr_rate; static int nr_gaini; static int nr_porci; static int …

Hi, Python v2.7 Tkinter Windows 7 I am having some troubles drawing a line. I have called create_line inside a for loop, in which I gave it coordinates that are returned from another function. However, instead of drawing separate lines, it joins the lines together. Here is a snippet of …

I expected the program to update the original array but it seems to update the array that has been sorted. i tried to copy array but it does not seem to help me. how do i make sure sure that the array that is updated is the original array. Desired …

hello i need some help regarding my coding. i want to change the number to be like this = 1.00 . here is my coding: [CODE] Private iTotal As Decimal Private Sub btnseringgit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnseringgit.Click displayText.Text = "RM 1.00" displayText.Text = iTotal iTotal …

Hey everyone, Yesterday I wrote a simple Hello World program and saved it as .py. However, when I tried to run the .py file it didn't have a default program. So, I went to 'Choose Default Program', found 'python.exe' and clicked it. 'python.exe' did not show up in the 'Choose …

Helllo I'm doing a theatre booking system for an assignment. I have got to the stage where I can generate the seating plan from the database. The problem that I am having is that the seats are running in the wrong direction. I have swapped my x's and y's but …

i want that by using on changevent a calculation can be done in vb.net windosapplication suppose i had got some textbox like totalamount(t) , amountpaid(ap), balancerefund(bf), amount due(ad), [CODE] If t > ap Then bf textbox shows the amount Else ad textbox shows the amount End If [/CODE] how to …

hi. here a simple class to change the wallpaper in winxp and win7. i think it will work on every windows version. [CODE] public sealed class clsWallpaper { const int SPI_SETDESKWALLPAPER = 20; const int SPIF_UPDATEINIFILE = 0x01; const int SPIF_SENDWININICHANGE = 0x02; [DllImport("user32.dll", CharSet = CharSet.Auto)] static extern int …

This is my code and it is giving me an SMTP Exception. I tried to change my port to 25 but didn't work. Plus i am connected to the internet i can't figure out whats the problem [CODE]private void RecovaryEmail(string username) { ManagerUserAccount mgrUserAccount = new ManagerUserAccount(); UserAccount ua = …

Hi All, [CODE] SELECT 'Name A ' as Column0, Some column as Column2, FROM MyTable WHERE my condition UNION SELECT 'Name B' as Column0, Some other column as Column2, FROM MyTable WHERE my condition [/CODE] I want to concatenate the rowNumber with column0 any idea how to do that? Thanks …

Hi! I need to know how to make global object from a local place like a function. And of course, they need to have unique names each time the function is run Could I somehow pass the a String parameter of the function to the name of the new object? …

Hi all,, How i can sum all item on listview column. Thank you in advance.

I am building a simple program with 3 Forms. The first Form has 2 Buttons and the other 2 are blank. I used this code: [CODE] public partial class Form1 : Form { public Form1() { InitializeComponent(); button2.Click +=new EventHandler(button2_Click); button1.Click +=new EventHandler(button1_Click); } private void button2_Click(object sender, EventArgs e) …

I am using a map in the standard way. It holds keys and values and sorts them by key and works wonderfully. However, after I am through adding to the map, I need to rank the keys based on their associated values. What is the best solution? A) Take map<myKey, …

how to find out whether certain elements in an array are equal to one another? for this array: [icode]int array[] = {0, 1, 0, 0, 2, 0, 0, 3, 0, 1};[/icode] i wanna know if elements under the indexes 0, 1, and 9 are same numbers well the easy way …

Hello, I make a program loop..but it doesn't work as i want ><" ! this is the OUTPUT -look careful, please- : [CODE]Welcome to our miniCalculator if you want to use add, enter add if you want to use subtraction, enter sub if you want to use division, enter div …

Hello, Ok. How to describe my problem :-/ I'm making a 2D drawing program. Currently working on lines. So I got a class line which holds the draw method. And I've created a list of lines + a line object. In the form I have a listbox where every line …

[CODE] // mainfrm.h enum { logAll = 0xff }; void Log(int nIdx, LPCTSTR lpText, int nType = logAll, LPCTSTR lpDeviceName = NULL); //SesLog.h int m_nDeviceID; CString m_strDeviceName; // SesLog.cpp #include "Mainfrm.h" #include "SesLog.h" void CSessionLog::Log(LPCSTR lpText) { if(m_pParent) m_pParent->Log(m_nDeviceID, lpText, logAll, m_strDeviceName); [/CODE] error LNK2019: unresolved external symbol "public: void …

I have loaded a .TXT file into an array, and want to display each of the posts in the array in a grid. Any pointers how to start attacking this beast? Have tried using Datagrid, and failed :( I have a "Learn by doing" approach to VB.NET, so I need …

[I]Hi, Sorry for coming back again and adv thanks for guidance My tutor gave me a assignment, couple of days before he taught me the work flow of java in eclipse, i am getting through it and i was asked to use constructors for the arithmetic operations as methods in …