Software Development Forum

I need a little help with the below code. I am basically reading text from a .txt file and need to be able to convert the text into an array(fam6) that i can then search for a value that is typed into a text box. If said text box search …

I have got a simple naughts and crosses game working, can someone tell me a simple def blah(): .. command to check if the player has already moved to a place on the board already taken.. E.G Player's first go = top left Player's second go = top left.. (message …

Hey guys, i have been working on this for a while and global doesnt seem to be doing anything; help? Row1 = [" "," "," "] Row2 = [" "," "," "] Row3 = [" "," "," "] Grid = [Row1,Row2,Row3] x = False def NAC(): def check(): #only using …

hi all! :) well i wrote a sample code to test threads and i don't get what i want the problem is that the thread i created is starting directly after i create it? but he must start when my j is equal to 25 and then i joining the …

Hello, Is there's a way to install a new version of the webbrowser control in the visual studio 2008 to be used instead of the old one ? Thanks for helping :)

in this part of the code which i'm using to search if an account number given by the user is in the vector. what is the cause of the problem ? thanks in advance. if (ae.getSource() == b7) { boolean found = false; for (int i = 0; i < …

How can i copy a directory path in a string? For example, the Location of the file is "C:\Folder1\Folder2\mydatabase.mdb". i have an existing code, Dim dbpath as String Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim OpenFileDialog As New OpenFileDialog OpenFileDialog.InitialDirectory = My.Computer.FileSystem.SpecialDirectories.MyDocuments OpenFileDialog.Filter = …

Hello! I'm creating a simple markup type thing with a XML reader to edit the properties of this window and at some point add components to it. I had it working, but had a few issues since it wasn't originally a WinForms project, didn't have looping working right, so I …

Hello. I am writing a program that computes net pay by the user entering in hours and payrate. There can only be one decimal, two numbers after the decimal, and no letters. When payrate is entered wrong, it displays the correct error message. For hours, it doesn't even though it …

Hello, As per wikipedia, a complete binary search tree is defined as: A complete binary tree is a binary tree in which every level, except possibly the last, is completely filled, and all nodes are as far left as possible Can someone give me an application of complete binary trees …

Hello, I have a little problem with a timer that I have set up. I use Thread.Sleep(). What I am trying to do, is to let a code run exactly when a new minute occurs on the millisecond (0 millisecond). I have tried to set it up below and test …

Hi, I'm trying to complete this method for a binary search tree and recursion has never been my strong point. All it does is return the total number of nodes in the tree. I have an answer that finds it a different way, but I wanted trying to get it …

Hello! I'm new here, so correct me if this is the wrong location... but I'm trying to make a program for the Minecraft server I'm on, and it requires that if someone wants to make a map that is used on the server, that there's a .xml file that shows …

HI all, I was looking at this program and noticed few things: import static java.lang.System.out; public class Employee { private String name; private String jobTitle; public void setName(String nameIn) { name = nameIn; } public String getName() { return name; } public void setJobTitle(String jobTitleIn) { jobTitle = jobTitleIn; } …

I'm having a problem updating records from my VB.Net application to the database (Access Database). I've tried all sorts of update technique and i keep getting either "syntax error in update statement" or "data mismatch in criteria expression". heres the code i'm using: Public Function save1stsemester() 'this code updates 1st …

Hello, I wonder if 2 backgroundworkers which are asynchronous can call the same function like in the code below. What I wonder is if the function is called Exactly at the same time from 2 workers. Can anything go wrong here or is this not a problem. I am not …

Hello there, How to add items in combo box from mysql database? 'mySQL statement 'tryCatch method ComboBox1._______ = myReader.GetValue(myReader.GetOrdinal("Uname")) I'm trying use this: ComboBox1.items = myReader.GetValue(myReader.GetOrdinal("Uname")) but an error occured.

Hey, I have a function in C that I am trying to convert over to C++. I have done everything, apart from this line: memcpy(mel[i],&temp[melstart[i]],mellength[i]*sizeof(double)); I need a way of copying the elements in temp[melstart[i]] over to a vector of doubles.. Here is the C code: void Setup_Mel(int fft_size, int …

Hello my fellow Daniwebers! I am having some problems wrapping my head around the task sorting a List(Of CustomType) I have a list containing a custom class. The class contains Two DateTime objects, Start and End. I am trying to sort the list descending so that the shortest timespan will …

I'm trying to iterate through a struct, but wanted to be able to do something along the lines of: string searchy = "jimmy"; string suffix = "firstname"; for (person dude : pnum){ if (dude.&suffix == searchy){ // Do things } } For those familiar with Perl/PHP, I'm trying to accomplish …

Ok... Got a lab to generate 150 random numbers and then sort the 1st 50 by BUBBLE SORT, the 2nd 50 by SHELL SORT, and the 3rd 50 by SELECTION SORT. After I get those three to work correctly then I need to MERGE SORT the three of them together. …

Hey, I have created one digit 7-segment screen in vb.net, which works fine, but I need several digits to show. How can I show the screen in multiple instances, which can be controlled separately? The form code is in attachments. Any suggestions appreciated!

I am trying to access a string. wchar_t *str; char *Pname; FILE *fp; str = somefunction(); Pname = str; fp = fopen ("/tmp/test","a+"); fprintf(fp,"%s\n",Pname); fclose(fp); str actually contains "ABigName", but the file simply contains the first letter, "A".

I have a some libraries which have a lot of common classes but the namespaces are different. Most of the code I was writing could be easily reused by classes in both libraries so after some reading I tried a technique of using the templates to pass namespace. As you …

I have a LINQ function to get 3 things :: Line, Average of Duration and Count I have a problem to sort it based on Average Of Duration column. Here is my code: Dim group2 As IEnumerable(Of DataRow) = _ From row In Ds.Tables(0).AsEnumerable() _ Group row By LINENAME = …

Okay so I have a final project due, and it's not really a beast, but I've begun to wonder if I'm doing everything I'm supposed to do, so I'm going to outline the assignment and give an overview of what I have. I was hoping I could get a couple …

hi, How to save the long format DateTimePicker in mysql?

I am trying to figure out the way to use the nested loop in a proper way but so far i am failed, The loop run to infinity when i run the program which i definitely don't want to do, here is my code, .MODEL SMALL .STACK 100H .DATA var1 …

I'm making a running text software where there is some text that runs alternately in the marqueelabel control. I wanted at every turn of the text, the background of marqueelabel will be blinking. I use three timer control, ie two System.Windows.Forms.Timer (Timer1 and timer2) and one System.Timers.Timer (elapsedTime). Timer1 is …

is it possible to pass an already defined function into a pthread? so for example within my code i am able to define an array size once a user enters an array size(for example user enters 200) it will add the numbers 1-200 to an array , i then have …

Hi, I've been having some problems with the getchar() statement. When I put it in a loop (to make an interactive input), I can't get user input anymore from within the loop. Even the following simple program doesn't work: [code] #include <stdio.h> #include <stdlib.h> int main(void) { char response, text[255]; …

I am trying to write a python app that will switch between two views when I click on the canvas in Tkinter. I have written the views and main app as seperate objects with binds linked to the opposing view through the left mousebutton. When I run the app in …

I'm not really good wih the Big O notation so I was wondering if any one can help me find the Big O notation of this code for each of its function when they are best , worst, and adverage case and a brief explantation of why it's that. Sorry …

hey I'm writing a multithreaded server , and I want to print a line in a file whenever a client is connected , I need to lock the filestream to prevent the lines of multiple thread from overlapping I used an integer lock but it won't work right , so …

Dear friends, I need our help for a new task. I have a gps track (sequence of lat long and altitude) and I would like to know if there is a way to make an offset (or a parallel line if you prefer) of this line to its right and …

I have this singleton class public final class MySingleton{ public static MySingleton singletonInstance; private MySingleton(){} static{ singletonInstance=new MySingleton(); } public static MySingleton getInstance(){ return singletonInstance; } } I wanted to know is there any other simpler and better way of creating a singleton instance?

Hey everyone, I am attempting to add an array of JTextFields to one of my JPanels and for some reason i keep getting errors and the program crashes when i run it. I know i am prob making some noob mistake but this a project for my first Java class …

Forgive me if the title was even worded properly. What I'm trying to accomplish is to be able to create an unlimited number of objects for use by struct and quickly realizing that my thought process on how to achieve that is wrong. Here's the related code: struct person { …

When my program calls MsgBox it appears in the middle of the monitor. Anyone know how to move it somewhere within the boundries of my program's window?

how to write a program to stimulate a bank transaction. there are two bank accounts : checking and saving. first, askk for the initial balance of the bank accounts ; reject negative balance, then as for the transaction ; option are deposit, withdraw, and transfer. then ask for the account …

Hello, I just have a quick question, I have two while loops that don't quite do what I want while (e == true && num != 1) { do statement } while (e == false && num !=1) { do different statement } if (num == 1) { System.out.println(value); } …

Hello, I am trying to understand what a byte array is. public class ByteArrayExample { public static void main (String args[]) { byte[] array = "1".getBytes(); System.out.println (array); } } The output of this program is : [B@44770739 Is this a hexadecimal representation? If any of the members can explain …

#include <iostream> #include <string> #include <iomanip> #include "mainmenu.h" using namespace std; string bookTitle[20] = {0}; string isbn[20] = {0}; string author[20] = {0}; string publisher[20] = {0}; string dateAdded[20] = {0}; int qtyOnHand[20] = {0}; double wholesale[20] = {0.0}; double retail[20] = {0.0}; void main() { // Declarations for function …

I'm trying to build libgd and can't seem to get past this error. It configures without error but when I go to make Install the below error occurs. Would anyone know how to get past this? WinXP, MingW. Thanks. gdfontg.c:4380: error: variable 'gdFontGiant' definition is marked dllimport gdfontg.c:4380: warning: 'gdFontGiant' …

Hey there, my code is nearly perfect, but I need help with my input for a value. here's the snippet of my code: cout << setw(15) << right <<"$" ; double Amount; input >> Amount; cout.setf(ios::showpoint); cout.setf(ios::fixed); cout.precision(2); cout.width(8); input.ignore(); cout << Amount << endl; i know that input puts …

Hi! As the headline suggests I am getting the following error message: First-chance exception at 0x00d690d1 in Nyår.exe: 0xC0000005: Access violation reading location 0xcccccccc. Unhandled exception at 0x00d690d1 in Nyår.exe: 0xC0000005: Access violation reading location 0xcccccccc. #include<iostream> #include<cstdlib> #include "Participantsregistryhead.h" int main() { _CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF); ParticipatorRegister Registry; Registry.typeOut(); …

I have a Code::Blocks project that includes a perl script which creates a c++ source file containing a linked list; the linked list is built by parsing special comments that may be included in all of the project's other .cpp files. The script is desinged to automate the creation of …

hi m following [this link](http://www.c-sharpcorner.com/UploadFile/0146e3/crystal-report-in-visual-studio-2010/) for generating crystal report in visual studio using c#. but in the above tutorial the database is created first and then reports are generated. but in my scnario i already have connected with database. now is it possible to generate report from existing database???? if …

If u run this code then click on the button helicase, u'd notice that there is a space btw radiobutton 1 and the rest! why? how can i fix this? I am sorry i know my code is too long but i don't know which section of it was causing …

I've been planning a certain program for 3 years. During these 3 years, I've let thoughts and ideas formulate, and stew, in order for me to critique them properly. I know precisely what I want this program to do. For almost every function I know what as a client I …