Software Development Forum

Hey guys, I have an Jlabel class and trying to simply add it to the panel in my main class. However is nowhere to be seen! No errors are being output so currently have no idea what wrong...unless you can see whether my method is wrong... Jlabel class: [code] public …

I have the folowing code so far which outputs the make and price of a car,but i cant seem to figure out were to add the discritpion of the car so that it can also be diplayed.HELP! i tried adding discription[k] = st.nextToken(); but the program did not run. [ICODE]import …

is there any procedure in vb.net for listing the items as dropdownlist in a textbox

Hey, im new to C++ forums and C++ for that matter. Im 16 years old and want to be a game developer so i made a calculator it took about 30min(a while i know but im a beginner) can someone tell me if what ive done is good code or …

I'm working on a program to get the reduce form of a fraction by finding the gcd of the fraction. It works for some while for others it doesn't work. I noticed it when I tried entering in -7, 6, 6, 2 for the numbers. The reduce form of the …

Hey All! New to here, but I have a couple questions: How do I find Average word length, and how to I printout the occurrence of each word size? Needs to look like this: [CODE]length frequency ------ --------- 1 3 2 13 3 24 4 13 5 10 6 2 …

Here's me error:"invalid conversion from 'char*' to 'char'. This is much different than what I found on google because I'm using actual pointers not return values n' stuff. Well heres a watered down version of the code: [CODE]char* LOCK = new char[501]; char ret[501] = "this is fine in program"; …

I seem to be having a little trouble connecting to my subdomain's database. (It's a subdomain, I'm using space off of a friend's domain name) When I look at my database's port # it just says localhost (which should be correct because it's located on the same server). I have …

Hi. I am currently writing a block of code to loop through a vector and generate all possible moves on a game. For my first for loop, this block of code never increments x. I even stuck an x = x+1 at the end of the block and it just …

Assalam u Alaikum! hey guys! can any one here tell me code of Nokia ringtone? or any other? thanks alot!!

Well I want to make a DLL but all of the tutorials online seem to focus tword GUI programing or go a little too fast. Can anyone explain it? As far as I have seen it's syntax resembles resource files. And what makes it a '[I]Dynamic[/I] Link Libray' as in …

I already know how to call a program an make it run inside of my program (with no communication between the two). But I need a way too call a separate program from mine and have it run separately. I looked into the CreateProsses thing but it seems to be …

I tried to scan a text file ( contains decimal numbers) and save all the numbers into 1 array input1[50]. When I ran the code, the printout is always 1.0000 eventhough my text file have a bunch of numbers. Could somebody point out where I did wrong? Thank you. [CODE]VOID …

Directions...Write a program SumOfOdds that has one main method that asks the user to input two odd integers where the first is smaller than the second. The program ouputs the sum of all the odd integers from the smaller output to the larger output. You must use a while loop …

so perhaps someone can tell me if what i want to do is possible. i have a bunch of radio buttons which can have different text displayed depending on whats retrieved from the database. however i want to add code that hides any radio button that would have a 'zero' …

I don't tend to use Arrays when programming in C++ because I think that vectors are a lot easier to use. The problem is that now I have to use arrays. I'm creating a game using SDL. I'm trying to create the artwork in code using pixels on the screen. …

i have things in a text file an index of movies that one owns and can add more but when i want to add a new one but when i have it print the line of a text file it just does this. i k o g n how can …

Using a C but not a C++ compiler. We have code like this: Suppose we have code like this: [CODE]main() { int *funcko(); int *george = funcko(); printf("%d", goerge[3]); } int *funcko() { int cat[12]; return cat; }[/CODE] What happens when you try this according to the actual rules of …

Hi guys, this must be a newbie question for you but I am just a beginner in .net, I would like to ask for a guide or point me into on how to make a simple image viewer, my image is a tif/tiff file, I just want to select the …

How do i get my program to read the last ten lines of the ".txt" file? Can you please dumb it down as much as possible. Here is what i have so far: // reading a text file #include <iostream> #include <fstream> #include <string> using namespace std; int main () …

Hello, I`m newcomer here. I know English medium so please be charitable for me. I have a big problem with LGDT function in Assembler. I use TASM. I used a TD Debugger to show what is the problem with LGDT and I showed that when I execute a line of …

Hi, I need to search for a key word in last n/100 lines of a text file. Here is the code i have so far. This search whole file & that is an issue. This is not a home work question, please help. [ICODE] ifstream readFile(fileName);//read the file while( readFile …

Hey1 fox so last weekend my friend asked if i could help her on her Comp Sci project, Little did she know im not a programming genius. So i've come to the one and only Daniweb for help... here's what she's supposed to do.. Write a C++ program by completing …

I'm working on a program that performs insert sorts and selection sorts on an array of 5 unsorted numbers and a sorted array of 5 numbers and counts the comparisons made on each. I'm still learning about Big O notation, so I'm having a hard time figuring out where a …

I am writing a program that gives and grades a test. Currently I am working on reading in the text from a file to administer the test, but am running into limitations. So I have a couple of questions. Is there any way I can read in a segment of …

I made an arraylist of objects which contain a question and an answer... How can I display just the question? Sooooo confused. Tutorials or anything will help, thanks in advance. [CODE] /* text file */ T Which Java keyword is used to define a subclass? extends S What is the …

Guys is it possible that I create a program that allows you to open a file, then if you click the button labelled "Properties", it will open the properties window for the file selected. This is so that you won't have to go to the file, right-click it, then select …

Holla, i use Visual Studio 2010 and as all we know, visual studio dont give any help with C/C++ win32 appis syntax like C#/VB were you type 3-4 words and then a list pop up. Today i downloaded Code::Block, i suprized because it had this feauture with auto-show list with …

Hello World! i wrote this code for fliping the array , but it doesn't work ... why can anyone say me ? what i did wrong? [B]array[/B] and [B]i,n[/B] variable are already global declared. [CODE] void exb(void) { int aux; for(i=0;i<(n-1)/2;i++) { aux=x[i]; x[i]=x[n-1-i]; x[n-1-i]=aux; } } [/CODE] thanks :)

mY QUERY IS RELATED TO.. How can i set coloumn width in unix... Like for ex. i am having a file, whose content is like ------------------------------ aba bba baba abba baba baaa addd ffff fffff ----------------------------------- i want it to be like ----------------------------------- aba bba baba abba baba baaa addd …

Ok so I am writing this GUI menu and one of the choices on the menu requires the user to log in. So I open a new window that prompts the user for a username password. However after the user inputs the information how do I just close the window? …

[ICODE]import java.util.Random; public class Card { public String cardGeneration() { Random generator = new Random(); int x; // random integer representing suit int y; // random integer for card value String mysuit, mynumber; //assigning names, these will be changed int suits = 4, numbers = 13; //depending what card is …

can someone help me and tell me what is wrong, I can't figure it out. This is what it is exactly saying Lab424.java:14: cannot find symbol symbol : method printf(java.lang.String, float) location: class Lab424 printf(" sum %f\n", sum); it is pointing to the "p" [CODE]import java.util.Scanner; public class Lab424 { …

I have been trying to figure out how to associate data with the event of checkbox being checked. The problem is that my data is stuck in a 5 keys deep dictionary (dict{dict{dict{dict{dict{}}}}}). I have tried crawling through the parents and getting their labels since they are created from the …

I am writing a fake antivirus software, of course as a prank, not for MONEY. The code as follows: [ICODE] 'ImageList, 0 Low 1 Averaga 2 High If ProgressBar1.Value = 10000 Then Label4.Text = ("Scan was finished at " & My.Computer.Clock.GmtTime.ToString & ".") MsgBox(ListView1.Items.Count & " threats were detected on …

in table department i've class_id as f.k and in class table class_id as p.k i want to update class_id in department table.. n getting error

Hello, I was tasked to make a program that reads data from a text file and then place it into a JTable. I managed to read the file and split the strings but I don't know how to put the strings into a format accepted by JTable. Please help. This …

Description of the Problem: In my program, i need to write a program that will determine how many coins of each denomination (1¢, 5¢, 10¢, 25¢, and 50¢) are required to make up a given amount of change. For example, to make 57¢ we could use 1 half dollar, 1 …

I want to write a program interrupts when the receive buffer for the serial port has received some data. I have done a little a bit of research and I believe C# word for interrupt is delegate. Apologies if I'm barking up the wrong tree but I want to know …

Hey Everone , I Wrote a Program To Enter The info and the given info would be saved to a text file . Here is The Program Itself : [CODE]/* Created By Hayzam Sherif Date : 11/7/11' */ #include <fstream> #include <iostream> #include <cstdlib> using namespace std; int main() { …

Hey everyone, I've been struggling with this problem for hours now and I have read and tried every example I could find but did not find a solution to my problem: I have a DLL written in C#. The DLL export function calls three functions: PrepareData(): Heavy calculations ComputeNN(): Mild …

[B]Problem question:[/B] Given the sequence A and B, where A is the inorder traversal value and B is the pre-order traversal value, reconstruct the binary tree that produces such results when performing inorder and pre-order traversal on that binary tree. To reconstruct the binary tree you can simply print the …

[CODE]void quick(int a[],int m,int n) { int k,key,i,j; if(m < n) { k=(m+n)/2; swap(a[m],a[k]); key=a[m]; i=m+1; j=n; while(i<=j) { while((i<=n)&&(a[i]<=key)) i++; while((j>=m)&&(a[i]>key)) j--; if(i<j) swap(a[i],a[j]); } swap(a[m],a[j]); quick(a,m,j-1); quick(a,j+1,n); } }[/CODE] I am getting a segmentation problem in swap(a[m].a[k]); Please explain.

I'm trying to compare a string value, defined by user input, to values in a struct, so it will print out the names associated with that value. [CODE] #include <iostream> #include <string> #include <sstream> using namespace std; #define n_fencers 5 struct Fencer { string name; string weapon; int score; int …

This is my project and I have the code below.....Create a class that simulates the functionality of a simple car. You can do simple things like drive, add gas and honk the horn. Simple text messages are displayed on the screen for feedback when appropriate and ALWAYS include the make …

Is there an actionMap-like thing for mouse clicks? Thank you in advance, ive tried google, but did not find anything :/

Hi Can anyone explain what the meaning of encapsulation and abstraction in OOPs?

I have a C# Class Library which I want to use as a COM object in VBScript. I'm using Visual Studio C# 2010 Express. Here's the class code: [code] using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Runtime.InteropServices; namespace PB_GUID { class PB_GUID_Encode { private Guid _myGuid; private string …

hi I get an error, "has the wrong return type". it has something to do with "tim1.Tick += new System.EventHandler(tim1_tick);" Help me please. [CODE] Timer tim1 = new Timer(); DateTime huidigetijd = new DateTime(); private bool CheckTim1Start; public Wekker() { tim1.Tick += new System.EventHandler(tim1_tick); // tim1.Enabled = true; enable == …

I am currently doing some writings to an excel file (.xls) through JExcel API. My problem is about the autoSize method of CellView. My code. [CODE] public void write() throws IOException, WriteException { File file = new File(inputFile); WorkbookSettings wbSettings = new WorkbookSettings(); wbSettings.setLocale(new Locale("en", "EN")); WritableWorkbook workbook = Workbook.createWorkbook(file, …