Software Development Forum

I have the following code where I am trying to put an icon on the redButton but what I have done is not correct and I'm not sure what to do. There is no where in my book that explains how to do this and I keep getting confused looking …

I need to write a small bit of code that will print an error if I cannot resolve the name to IP. I see that you can use the "socket.gethostbyaddr" methods but I cant seem to find a simple method/exception for when it does not find an IP address. Also …

I am trying to write a simple code with if condition. If(x==1||x==2||x==3) { found true; } else { cout<<"Please provide the correct input"; cin<<input; } Based on this i need to have another condition: if(found) { cout<<"Enter number"; cin>>no; } The problem with the code is when i am entering …

Ok i have a problem which i cant seem to figure out why it is not woriking, First off When i do Enter in some Details and want to enter Records to the end of File it give me the choice of enter in the Details. When display the Array …

Hi there; I am having problems with using printf method in this simple loop. I am looking for a 3 decimal places in the right one column and a integers in the left. I know how to print this with system.out.println but I dont know how to write it with …

Hi guys, here i have a problem, that i have been trying to rectify for past 1 and half hour. Here in the code, as you can see, When the user Press Y, He get the chance to input the exponent value. There i have added another nested if, so …

hi i have a project and i have database that is written in arabic language when i run my program all iget is small square instead of the arabic character and i have try to solve this problem 3 months ago and i have search the web and i didnot …

I am new to structs and I am trying to sort an array of structs but I can't seem to get it to work, I can't figure out what I am doing wrong and any assistance would be very much appreciated! [CODE]#include <iostream> #include <fstream> #include <iomanip> using namespace std; …

I have to create a GUI that when I click on the buttons it changes the color of the background. Below is what I have but I can't figure out what code to put in and where to change the color of the background. [code] import java.awt.BorderLayout; import java.awt.Color; import …

I tried to put an image on a JButton and it's messed up: [url]http://imgur.com/ecBOt[/url] code: [CODE]import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.awt.geom.*; public class Polluted extends JFrame implements ActionListener { ImageIcon bg = new ImageIcon("bg.png"); Image bgImage = bg.getImage(); public static void main(String[] args) { new Polluted(); } public …

Hi, I have really lame problem which is probably that easy, that I can't get it working. I have program like this below. And I need to make prototype to get it working. But I don't know how it need to look like. I don't want to have these functions …

Hi All I have a load of information on my label in a groupbox on the form there is too much information to be seen in one go so i want to use a vertical scrollbar to move the label up and down inside the groupbox so it can be …

I have tried searching internet a little bit and found some useful information about the command [CODE]SetLength[/CODE] I just wonder about a few things as I would like an array to "constantly" be redefined in size. When using it in one part of my program, it will be defined in …

Hello to all. I have a problem with replacing a part of a string with another string. The following code does not work. However, if you remove void in front of replace_str, in Code Blocks i am able to run it (WHY???) despite the fact that i still get a …

hi all, i am trying to display a xml file in a datagridview. i am using windows application with C#. say for example, i have a xml file like this, <xml version="1.0" encoding="UTF-8"> <maincategory> <cat1> <title>Category1</title> <link>http://www.w3schools.com</link> <description>&lt;img src=&quot;[URL]http://static.ibnlive.com/pix/sitepix/09_2007/flames_ramsetu90.jpg&quot;[/URL] alt=&quot;some description</description> </cat1> <cat2> <title>Category2</title> <link>http://www.ibnlive.com</link> <description>&lt;img src=&quot;[URL]http://static.ibnlive.com/pix/sitepix/09_2007/rahul_gandhi_white90.jpg&quot;[/URL] some description</description> </cat2> …

C++ Syntax (Toggle Plain Text) Hi, from the previous link : [url]http://www.daniweb.com/software-development/cpp/threads/365264[/url] How to do i sort by using X or Y for the coordinates of Line2D and Line3D since Line2D, Line3D contains 2 pairs of coordinates. example. Line3D, [7, 12, 3], [-9, 13, 68] Line2D, [5, 7], [3, 8] …

Ok, So i wrote this basic program that takes a map file as an input, and parses it and then draws the map. Its sort of like VERY BASIC tile mapping. The problem is, I cant think of a way to loop it so that no matter how many map …

[URL="http://graphingvariousfunctions.wordpress.com/2011/11/18/how-to-solve-linear-equations-in-10th-grade/"]Solving linear equations[/URL]? It says I have to solve -3k + 4 = 8k - 15 - 6k - 11 On the problem, do I combine like terms on one side first? Like the 8k and the 6k? If so do I add them or subtract them? Can someone please …

Hello! I wanna ask you guys for help with this program. Here is my problem explanation: I want that user gives an input in the beginning of the program how big should tictactoe board would be. For example: input: 4 so board would be 4x4. Code of the current problem …

Okay, So I have this program that spits out the sum and average of a list of numbers that the user inputs. When ever I run it, though, it gives me crazy numbers. For example, when I put the values 1, 2 and 3, it gives me 3.957e+10 as the …

Hi there, I have been asked to import a text file into java, the file contains a series of 1's and 0's which draw a picture. The 1's will be drawn as a dot where as the 0's will be a blank space. I was wondering if anyone could show …

[CODE]/** * @(#)TestClassOne.java * * * @aziza meshal * @version 1.00 2011/11/12 */ import java.util.Scanner; public class TestClassOne { public static void main(String [] args) { int size; Scanner input=new Scanner (System.in); System.out.println("plz enter size of array"); size =input.nextInt(); int [] a1 = new int [size]; ClassOne [] a2 = …

Hi, I have a problem with c files. I have broken my code to 2 files main.c and unp.h unp.h [CODE] typedef void (*Ptr_To_Function)(void); struct Menu_Record { unsigned int option_number; const char * text; Ptr_To_Function process_function; }; struct Menu_Record* select(struct Menu_Record*,int); struct Menu_Record startup[] = { {1, "Choice1", NULL}, {2, …

I need to output "Exceptional Innovation" <div id="basic-info"> <h1 class="fn org"> <span> Exceptional Innovation </span> Here's my Code [CODE] RichTextBox1.Text = htmlsource Dim myMatch As New System.Text.RegularExpressions.Regex("(?<=<div id=""basic-info""> <h1 class=""fn org""> <span>).+?(?<=</span>)", RegexOptions.IgnoreCase Or RegexOptions.Compiled) Dim matches As MatchCollection = myMatch.Matches(RichTextBox1.Text) For Each itemcode As Match In matches Dim output …

Hello all, I want to ask you what this code mean. [CODE] import java.io.*; class CopyFile { public static void main(String[] args) throws IOException{ int i; FileReader fin; FileWriter fout; try { fin = new FileReader(args[0]); fout = new FileWriter(args[1]); } catch (FileNotFoundException e) { System.out.println("Error opening output file."); return; …

[CODE] // Node .h #ifndef NODE_H_INCLUDED #define NODE_H_INCLUDED # include <iostream> using namespace std ; class Node { private: int object ; Node *nextNode ; public: Node() ; void setObject(int x) ; void setNext(Node *next) ; int getObject() ; Node *getNext() ; } ; #endif // NODE_H_INCLUDED //----------------------------------------------------- // Node.cpp …

Hello! I'm new to this site and fairly new to Java, I've tried creating a program that takes a file as input and edits specific substrings in said file, compiles without problems but the file remains unchanged. [CODE] import java.io.*; public class Uppg10_OH { static class MinHistoria { private String …

Hi, I am a student doing my Final Term Project. I am suppose to create a GUI using C# that can control and interact with a Robot call Robonova-1. The robot will be connected to the PC via Bluetooth. I was thinking to have a connection button in my GUI …

I want to consolidate data from multiple worksheets however it only copies the value without copying the format. i need it to copy the format as well because there is one field need to have number in the format 0013. but when i run this code, the number will display …

Hi i am intrested in learning assembly for the reasons of getting to desgine all the workings of my program, decide precisely all the binary code of it. I am stupped to find a book or some place that i can learn how to do graphics with assembly. I need …

can we find a particular image whether exiting or not within a video file.......... i.e imagine i've a picture of a particular person and a video file....and i've to find whether that person in the picture exits or not somewhere within that video file...........

hi all i tried one quiz in that i got question [CODE]Given: 1. public class Blip { 2. protected int blipvert(int x) { return 0; } 3. } 4. class Vert extends Blip { 5. // insert code here 6. } Which methods, inserted independently at line 5, will compile? …

hi am making project..i have entered the record in 8 columns of table using jdbc and 9th column is automatically icremented as primary..so after putting the record and executin query i want to check primary no which i get..i want to show it in text box..what can be the query...?? …

Ummm hi, Ive been having some problems with a program ive been working on. I want to insert a new value in a column in a table from a calculation i get and replace the original value. Heres the part of the code: private void button11_Click(object sender, EventArgs e) { …

Can enybody help me to do this? I used NetworkInterface and also Ipv4InterfaceStatistics.

I'm really confused as to how to set up this program. The program is to have a function "trap", so I'm guessing that means I have to include a function that solves the integral before my main function? [CODE] #include <stdio.h> #include <math.h> double f(double x) { return exp(-x*x); } …

hey! so i have to write a code that generates a number from 25-100 (x) and this will be the index of my array. i then need to x numbers from 1-1000 and store them as the element of my array. that is the first function. in the second function …

so i have this program written and i am getting a seg fault and the stack said in operator<<. I have no idea how to fix this...It is due in thirty minutes if someone can please help me asap. Here is where i think the problem lies: [CODE]#include <iostream> #include …

hello, i want an algorithm coding the algorithm is [ADD A NODE IN DOUBLE LINK LIST] the algorithm is follow. instwl( info,forw,back,start,avail,locA,locB,item) 1- if avail=NULL then write overflow and exit. 2- [remove node from avail list and copy new data into node] set new=avail avail=forw[avail] info[new]=item 3- [insert node into …

[CODE]private double convertLiquid (double none2 ,char unit2, char amount2) { if (unit == 1) return (amount * 33.8140227); else if (unit == 2) return (amount * 0.001); if (unit == 3) return (amount * 1000); if (unit == 4) return (amount * 0.00852167911); if (unit == 5) return (amount * …

In the User defined function sum(), i am getting the Lvalue required error, can you please tell me why? [CODE]#include<iostream.h> #include<conio.h> #include<math.h> int num,digit,sum1,p; int sqlarge(int &a, int &b, int t=0) { if(a>b) { t=a; a=pow(t,2); return a; } if(a<b) { t=b; b=pow(t,2); return b; } else {cout<<"Both values can …

Hey so for my lab we were given this code and told to fix it so that each candidate's information is printed on the appropriately colored background. The voting space for sarah is supposed to be on a green background, and the voting space for joe is supposed to be …

I need help so that this program decrypts. Can someone take a look and run it I have the following errors. 1>------ Build started: Project: Decryption, Configuration: Debug Win32 ------ 1>Compiling... 1>Decryption.cpp 1>e:\prog100\simplycpp\tutorial11\exercises\decryption\decryption\decryption\decryption.cpp(18) : error C2059: syntax error : '}' 1>e:\prog100\simplycpp\tutorial11\exercises\decryption\decryption\decryption\decryption.cpp(31) : error C2679: binary '=' : no operator found …

Hi, I am trying to make an image viewer, this is my first time developing a software and I was just wondering how to add properties in my application. I'm creating this software with the help of Gtk and C and now I'm stuck because I want to display the …

I have a scanner which needs to read a recipe text file, specifically line 3. I want to read all of the words in that line using a delimiter (which I already know how to use). Though I don't know how to make the scanner stop before going to the …

Hi, i'm python beginner. how to make that only use def, for, list, while .. [CODE] def comb(n,r): if r == 0: return 1 elif r == n: return 1 else: return comb(n-1,r-1) + comb(n-1,r) [/CODE] this code is very slow.... ah , I have to use recursion .! please …

Hi every one I have this url [url]www.websiteaddress.com/0010001[/url] and i want to keep counting on it like it becomes [url]www.websiteaddress.com/0010002[/url] [url]www.websiteaddress.com/0010003[/url] and so on and i want all lines to be in a sing text file so please help me do this

Hello, I am on an introduction to software development module. I need help creating an array, it doesn't have to be hugely complex only basic as it is at introductory level, but still I am finding it difficult, [U]please can someone help it will be gratefully appreciated.[/U] [B]This is the …

Good morning to everyone. I have been asked to derive a SortedLinkedList from the java.util.LinkedList which will sort members of a gym based on their last names. In addition will calculate the BMI of each member, the members will be added from a text file. Here is my code. 1.Class …

Task: • Create a text file with 5 questions in it. • Read each question in from the file. • Ask the user for their response. • Create a new text file. • Write the user’s answers to the text file. • Ask the user if they’d like to review …