Software Development Forum

Hello All, I am trying to return three integers from the load function below. Right now, the program only returns the throughput variable. How do I use this function so it returns all three? (I am trying to implement this in a larger project where I cannot call the load …

I'm looking to further my VB skills but have a writers block on what to create. So if you have any idea or suggestions which i could use for my next project please post a reply. Thanks

I am trying to get the height of a BST using a stack. I was told that I should use preorder and measure find the largest size of the stack. However, this does not seem to work. Any ideas of what I am doing wrong. [CODE] int PBT::maxDepth() { if …

[CODE]public class Briefcase{ private int amount; private String face; private boolean isOpen = false; public Briefcase(int amount,int cNumber){ this.amount = amount; this.face = Integer.toString(cNumber); } public void removed(){ isOpen = true; face = "X"; } public boolean isRemoved(){ return isOpen; } public int getAmount(){ return amount; } public String toString(){ …

This prints NULL: [CODE=Java]String sss = System.getSecurityManager() == null ? "NULL" : System.getSecurityManager().getClass().getName(); System.out.println(sss);[/CODE] And this throws exception: [CODE]ServerSocket serversocket = new ServerSocket(80);[/CODE] This one: [CODE]Exception in thread "main" java.lang.Error: java.net.BindException: Permission denied at httpserver.HTTPServer.main(HTTPServer.java:68) Caused by: java.net.BindException: Permission denied at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:383) at java.net.ServerSocket.bind(ServerSocket.java:328) at java.net.ServerSocket.<init>(ServerSocket.java:194) at …

Can somebody please tell me what am I doing wrong? I have created a so called "game" and I have decided to add some random events. That's where I got this nasty error which I do not know how to dispose of. [CODE] #ifndef FUNC_H #define FUNC_H #include <iostream> #include …

What is EOF. How is it generated? Which key corresponds to "end of file" on the keybord??

Can anyone please debug the following binary tree program, it flashes two errors: 1: Type mismatch in redeclaration of 'strdup' 2: Tpe mismatch in redeclaration of 'talloc' [CODE]#include<stdio.h> #include<ctype.h> #include<string.h> #define MAXWORD 100 struct tnode *addtree(struct tnode *, char *); void treeprint(struct tnode *); struct tnode { char *word; int …

Hi, I'm trying to render a checkbox in a datagridview column header so that when the checkbox is checked/unchecked all the cells in that column should be checked/unchecked accordingly. The datagridview is bound to a database table but the column containing the checkbox header cell is unbound. The problem is, …

Hi, we all know how to dock or anchor controls so that they resize themselves accordingly when a form is resized. It works fine till we have rows of controls on left and right size of the form. But what if have three columns (Columns as in visual sense. I'm …

Hi, I have an editable datagridview that's been databound with dataadapter and datatable, and a normal button on a form. When i edit the dgv's cells and click the save button it fires the datagridview_cellvalidating event and if the cell validation is correct it updates and saves the current record …

When a button is focused by pressing Tab key, a rectangle appears on it. Even if the button's TabStop property is set to false, when the button is clicked with mouse the rectangle appears. Is it possible to stop the rectangle from appearing? Please help. Regards.

I have a project where I want to be able to multiply 2 values from a database. So I have a combo box where the user is able to select from a set of data. This displays the data relating to the selected row in text boxes on the windows …

Hi I have an application that has an Ms Access 2007 DataBase which runns great if access is installed. Is there any code that I can use in vb that I would be able to run access with out installing it. Tanks in advance

Can someone please explain to me how the pointers were used in the line w/ the red font. I do not understand where the pointer pertains to and why there is still a need for that. Also why is it that a "+" sign was used to combine two array …

I have linked a database to a windows form. I have dragged the field objects onto the windows form. Prior to doing this I changed the first field object to a combo box and the last field object to a list item. I have proceeded with the following settings for …

Hi, i was just wondering how I get user details from a user table from a mysql database. Ive already worked out how to connect to the server, im just wondering how to import the data into a datagrid. Thanks Heres my current code [CODE]Imports MySql.Data.MySqlClient Module sql Dim Connection …

Im a Junior in college now (Computer science Engineering). Im planning to start my Java certification. Im comfortable with programming in java. Im familiar with most common API and also with swing and Collections, Concurrency, etc. and also with OOPS concepts. So I thought I might take an entry level …

I made a simple ThreadManager class that receives tasks and spawns threads to complete the tasks. Currently it keeps all the threads alive until I explicitly set threadmgr.waiting=False and all of the tasks are complete. I'm trying to eliminate the need for the former. What I would prefer is that …

So I have this two forms.. I have a command button on the second form that when I clicked, a message box pops out and ask you if you want to go in the first form. The 'Yes' worked but the 'No' doesn't work, the first form still shows.. can …

I am trying to send registration/ activation information via email, but don't want to store my authentication within the vb.net app and therefore not wanting to use .NET SMTP. I have the below php script that works from a website, but I can't seem to get the variables sent to …

Hi, I've been trying to sort a list in ascending order for a problem in class, but my for loop isn't working. [CODE]import java.util.*; public class AscendingOrder { public static void main(String[]args) { int min; Scanner input=new Scanner(System.in); int[]list; list=new int[10]; int[]list1; list1=new int[10]; System.out.print("Enter 10 integers: "); for (int …

what is void pointer? I am unable to understand, please help me

Hello below is the progra... i cann access araylist in the main class function.... like "LoanBook" see that in the code.... plz recity meeee folks... thanking uuuu =--------------------------------------------------------------------------= [ICODE] import java.util.ArrayList; import java.util.Scanner; // To take customer detais by using Constructor and Customer deatils class Customer { int cusId; String …

I got the problem with this code.. can anyone explain me the output.. main() { int i = 258; int *iPtr = &i; printf("%d %d", *((char*)iPtr), *((char*)iPtr+1) );}

Hello all I was wondering how i could pass the following SLQ function to my datatable: Select sum(Quantity) from Purchases where transaction_mode=1 Thank you

i wanna use the Sleep fucntion in a CLR vc++ app, if i include windows.h it gives a huge list of errors, if i use _sleep() then it dowsnot work at many systems since its obslete. what should i do? i am bound to use CLR bcoz my code uses …

i have a form and i need to use mouse scroll for moving my panel. so i need to create event ( :) ok ok im not sure ) and No matter where the selected i need to use this event when i use mousescroll :) I hope i was …

hi, My application is in VS2008 coded in vb.net.I have a form with a datagridview which loads data from databaase.there is one column where data is stored separated by comma's.Like Name,Surname,LastName name this column as [B]Testing[/B].I have a checklistbox on another of my form.When the user selects a particular row …

[I]Dear experts, I am trying to code out my assignment but i made a problem with my [CODE]break;[/CODE] within my [CODE]if (operator.equals(zero))[/CODE]. i have received compilation error stating the following: [/I] [B]HelloWorld.java: break outside switch or loop[/B] [I]Appreciate if someone can point out my mistake. Thank you.[/I] [CODE] import java.util.*; …

I wrote a procedure to read integers(unsigned) from stdin and store it in a variable. I wanted it to handle backspaces too. so I made some adjustments but unfortunately it didn't work.--see line 14 in the code [CODE]get_num: ;(function get_num: read integers from stdin) push ax ;save all registers push …

So this is my first post and I have only begun using python. One of my first assignments is to design a program which will count the most used words in the given text file. In my case we are using the Declaration of Independence. Here is what i have …

I know C++, but I'm trying to learn C. Anyways, what am I doing wrong here. If I delete the line with 'scanf', it will compile so obviously I'm doing something wrong there. Anyways... [CODE]#include <stdio.h> int main() { int x; printf("enter a number\n"); scanf("%d", &x); printf("Your number is: %d\n", …

need a[CODE][/CODE] in C that converts any given BCD to GRAY Code, and any given GRAY to BCD. I am a started so little halp ;)

Here is the code I have so far. I'm not sure how to proceed from here. My goal is to make a program that outputs the probability of n amount of coin tosses, where n is the user input. [CODE]import java.util.Scanner; public class toss{ public static void main(String[] args){ Scanner …

Im an AP computer science studen (we started two weeks ago so I dont know much). For homework we had this problem: " Write a program that will let you enter your gender (M or F) and your height in inches and will then tell you wether you are tall,medium …

I'm programming a program that add feet and inch together(assume feet and inch are integer). I run into a compiler error. I know the problem is I'm missing the returning statement. But I don't know what to return. [CODE]public class Distance { private int feet; private int inch; public Distance() …

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I just finished a program, it worked perfectly, then I changed a bit of it, and now it won't work at all, even if I change it back. [CODE]self.secret_txt = Text(self, width = 35, height = 5, wrap = WORD).grid(row = 3, column = 0, columnspan = 2, sticky = …

hello, i started programming again after a while and i made this just to pass time/relearn the basics and stuff there is a weird issue that i can't figure out, when i input row 0 column 2 or row 1 column 2 it will fill the spot for both the …

hi i have a datetime picker in user control form in C#. when i load the user control i want the datetime picker to disply no value in the datetime picker box. the code is below. [CODE] dpEDate.Format = DateTimePickerFormat.Custom; dpEDate.CustomFormat = " "; [/CODE] and when the user control …

I'm try to make a program that will ask a user to input a string then the string gets masked (by asterisks) and later, guess every letter (character) of the masked word until the string is fully unmasked (a la Hangman). But my problem is, after the first unmasking, the …

Hey, I need to know what identifier i can use instead of string that will output all of the words that you type in the program. For example: if i was to use string ans1; cout <<"How are you?: "; cin >>ans1; and for my answer i typed "very good"...it …

I'm having an issue displaying images in tkinter, I've tried the methods suggested by effbot and a couple other sources to no avail. Here are a couple ways I've tried so far:[CODE] gmail=PhotoImage('gmail.gif') self.glab=Label(self,image='gmail.gif') self.glab.image=gmail self.glab.grid(row=3,column=4) gmail=PhotoImage('gmail.gif') self.glab=Label(self,image=gmail) self.glab.image=gmail self.glab.grid(row=3,column=4) self.glabim=PhotoImage('gmail.gif') self.glab=Label(self,image=self.glabim) self.glab.grid(row=3,column=4) gmail=PhotoImage('gmail.gif') self.lab=Label(self,image=gmail) self.lab.image=gmail self.lab.pack() [/CODE]the last one …

Hi, I got a doubt about for loop while i was thinking about time complexity.... Is increment operation in for loop a two steps operation i.e., increment i and assign it the i or an one step operation just like just incrementing it? Is there any pointer operation involved in …

Hey. I'm creating a second degree equation solver in the windows form application.(In the form ax^2+bx+c= 0) And the basic programming is complete but I'm having problems making it bullet proof, in case the user type in the wrong number and type in a =0. So basically i have an …

i am fixing something and i have that fuction in it [CODE]bool DeckOfCards::checkFlush(const Card checkCards) { counter=0; cardCheck=" "; for(int x=1;x<5;x++) { cardCheck=checkCards.suits[x]; for(int y=0;y<5;y++) { found=hand[y].find(cardCheck); if(found!=string::npos) { counter++; } } if(counter==5) { return true; } counter=0; } }[/CODE] it goes here: [CODE]bool result=false; if((result=checkFlush(checkCards))==true) { return winner=5; }[/CODE] …

Hello Everyone Currently, I am using system("dir") method to call system calls. I want to know any other method for system calls in VC++ 2008. How can I call system call in VC++2008 without using system(" ") method? Any help would be appreciated Thanks

i have a problem in VB6. i have a frmMain, DataEnvironment and Datareport. My form have thirty (30) textboxes to fill-in. at first it all works fine since i filled in only few txtboxes, but when i filled-in all textboxes with many data i could not save the data anymore... …

i want to listview editable it's possible?? please help