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| | Hello everyone, The questions is below. Please bear with me. I'm a first year student, majoring in computer science. I have just finished an introductory course in the java programming language. I already know that what i type to program in java is a source code that has to be … |
| | Hello, I basically have 2 GUI windows in my project. Just to explain it better, let's call the 2 GUI windows: - Window A - Window B In Window A, there is a variable that I want to change, but I have to change the value of the variable in … |
| | [CODE]import javax.swing.*; import java.awt.*; class Calculator{ JFrame frame; JPanel panel1, panel2; JTextField textField; JButton button[]; Container contentPane; void launchFrame(){ frame = new JFrame("My Calculator"); panel1 = new JPanel(); panel2 = new JPanel(new GridLayout(4,4)); textField = new JTextField(10); button = new JButton[17]; for (int i=0; i <10; i++) button[i] = new … |
| | Hello. It's been a while since I was on here. I'm writing a Java class with a generic type parameter. Among other things, it maintains an internal ArrayList of the same generic type as itself. In a perfect world, the code would go like this: [CODE=Java]import java.util.ArrayList; public class MyGenericClass<T> … |
| | I have made a program that loads all the songs on my computer into a listview and plays them at random (at least that is what I want) right now I have them moveing to another list and removeing them from the current list so that none are played twice … |
| | Hi Guys, I'm having an issue with my sum() function on my queries. My DB has 3 tables 1. plans 2. handset 3. matrix [B][U]plans;[/U][/B] - planNum - planCode - planName - planLength - simRebate - commission [B][U]handset;[/U][/B] - handset - RRP [B][U]matrix;[/U][/B] - planNum - handset - subsidy The … |
| | [CODE] #include <cstdio> #include <cstdlib> #include <iostream> using namespace std; int main() { int x; cout << "Press the number 1, 2 ,or 3"; cin >> x; while (x!=1){ cout<<"Please try to pick a difference selection."; cin>>x; } if ((x==1) { cout<<"\nYou chose ";cout<<x; } system("PAUSE"); return 0; } [/CODE] … |
| | I need to build a Windows program with Visual C++ that sends an SMTP email when an alarm condition occurs. I will be reading data out of several PLCs (automation controllers) with the help of active-x controls purchased earlier for other projects. New to Visual C++, (I'm mostly an old … |
| | Hello, I need to take a file filled with numbers and input them into a two-dimensional array. The file would look like: 3 6 3.9 4.5 2.1 1.0 2.4 4.3 3.1 4.2 5.1 6.2 1.0 2.7 1.2 2.3 3.1 4.2 5.2 6.4 where the first two numbers are the vertical … |
| | I'm making a Card class and need to make sure that the suit is valid. When I call on the Card class and construct one setting the suit to 'Jordan' it actually ok's that suit and prints 'Ace of Jordan'. Instead it should become the default, of Spades. What am … |
| | Hello, I have to create a graph based program that will validate a zip code given an expression to match eg. ddddd - dddd, where d is a digit 0 - 9. I am new to graphs and don't know how to accomplish this. I'm trying to make graph class, … |
| | I'm new to file I/O in C++ and have encountered a problem. My program checks to see if file "projectdb.txt" exists. If it does, it uses its data to populate an array. If it doesn't exist, it is supposed to create the file. This is where I am having the …  |
| | hi, I'm just trying to make the Cancel button on my form close that form on Enter key but the problem is that it closes it when i hit space key and if i change code below to [CODE]if (e.KeyChar == (char)Keys.Return) this.Close();[/CODE] it does not work. it just works …  |
| | I am trying to write some code that reads a file line by line and then outputs the text of each line using cout. Here is what I have so far: [CODE]#include<iostream> #include<string> #include<fstream> #include<sstream> using namespace std; int main() { ifstream input("test.txt"); if (input.fail()) { cerr << "File not … |
| | Hey I'm very new to the programming world, and what i am trying to do is produce a Koch Snowflake via turtle from python2.5. this is what I have so far... [CODE] from turtle import * def snowflake(lengthSide, levels): if levels == 0: return forward(lengthSide), right(120), forward(lengthSide), right(120), forward(lengthSide) forward(lengthSide) … |
| | This code is from MSDN ([url]http://msdn.microsoft.com/en-us/library/6t4fe76c(v=VS.80).aspx[/url]). [CODE] #include <string.h> class String { public: String( char *ch ); // Declare constructor ~String(); // and destructor. private: char *_text; size_t sizeOfText; }; // Define the constructor. String::String( char *ch ) { sizeOfText = strlen( ch ) + 1; // Dynamically allocate the … |
| | A little project I am doing for fun. I want to make a self extracting exe that will take files of format .scx and extract them to a location on the computer based on a registry key that I know of. The key will help locate the location of the … |
 | Hi there just a quick question I am using C#Express. When I add the reference System.Windows.Forms I cannot seem to access Messagebox.Show...any ideas what I am doing wrong? Btw this is in a console application... |
| | hey people i wrote this code and i got a problem , i cant register a session . this is the login form : [CODE] <?php if(!isset($_POST['username'])) { $title = "- signin"; include "header.php"; include "nav.php"; ?> <form action="" method="post"> Username :<br /><input type="text" name="username" size="70" /><br /> Password :<br … |
| | [CODE]'<form action="" method="post"> '<fieldset> ' <ul> ' <li> ' <input type="text" name="username" id="user"/> ' </li> ' <li> ' <input type="password" name="pass" id="pass"/> ' </li> ' <li> ' <input type="submit" name="submit" value="submit"/> ' </li> ' </ul> '</fieldset> '</form>[/CODE] Above is a php form that has refused to be submitted by my … |
| | Hello: I'm trying to strip a word out of a variable and echo it out. here is what I mean: [CODE]$from[/CODE] the value of which is INTERVAL 7 DAY I have this line that includes the variable: [CODE]echo"The total number of transaction(s) found within the last $from: "; echo $row["numrecords"]; … |
 | I want to search through an sql table called hardware for a partial serial numbers. I have the following code but there is something wrong with the way i am doing my sql query. hope someone out there can help me. [CODE] Public Function GetDatabysn() As DataView Dim SelectQry = … |
| | This trigger is making me nuts! I've written about a dozen triggers before but nothing where I have ever pulled data from another table. What this is supposed to do is make sure that any inserted rows have a latitude/longitude (lat/lon) value. The users table has the lat/lon and these … |
| | I have the following piece of code which works fine [CODE]data[person].history[data[person].trans]= "CASH WITHDRAWAL 100.00 GBP";[/CODE] but how would I write it so instead of 100.00 it inputs a float called safe_input2 |
| | Hi! When I try to run the code [ICODE]tableModel.setQuery("select l_code, l_title, l_description from Lists");[/ICODE], then I receive the following error: [CODE] java.lang.ArrayIndexOutOfBoundsException: 0 >= 0 at java.util.Vector.elementAt(Vector.java:427) at SystClasses.QueryTableModel.getValueAt(QueryTableModel.java:72) at SystClasses.QueryTableModel.getColumnClass(QueryTableModel.java:53) at javax.swing.table.TableRowSorter.useToString(TableRowSorter.java:224) at javax.swing.DefaultRowSorter.updateUseToString(DefaultRowSorter.java:607) at javax.swing.DefaultRowSorter.sort(DefaultRowSorter.java:556) at javax.swing.DefaultRowSorter.allChanged(DefaultRowSorter.java:816) at javax.swing.DefaultRowSorter.modelStructureChanged(DefaultRowSorter.java:826) at javax.swing.JTable.tableChanged(JTable.java:4364) at javax.swing.table.AbstractTableModel.fireTableChanged(AbstractTableModel.java:280) at SystClasses.QueryTableModel.setQuery(QueryTableModel.java:110) at SystClasses.Form.createAdminTable(Form.java:747) at … |
| | Hi, i have this assignment to do and i dont really know what i have to do could someone tell me what i have to do in simpler language thanks Here is the assignment: Create a program which: Implements a class called Queue: The class should contain an array of … |
| | Monday morning, our final exam is to write a Python program according to whatever the teacher will throw at us. Any ideas as to how or WHAT to study to be ready for anything? (Most of the class expects to fail this, btw. I don't want to be among those …  |
| | I have to create all the method signatures in the ResizableArrayList and then fill it in with comments. And each method is supposed to be blank with a return null or --1. How do i do this?  |
 | Hi, Im currently using fpdf to generate an auto report, but im having an issue with overflow on the notes column, as this can be anything from 1 to 300 words. i can count the words using the following script, but im struggling to find out how to limit the …  |
| | I am working on a program with classes and a main function. This game involves tanks moving around a grid of defined size, and shooting at each other. Each tank has a name, armour and firepower. On the grid, there are randomly generated squares that contain extra armour or firepower. … |
| | Hey everyone, new here. I'm looking for a little help with my program. Its supposed to take a txt file called test.txt, and removes all spaces trailing at the end of lines. ex. (note the spaces) "python " -> "python" "daniweb is great" -> "daniweb is great" " forum" -> … |
 | Hi.. please help me with this problem I want to output stars in this shape: * * * * * * * * * * * * * * * * just give me the idea to do this in an recursive function ?? i tried but its not showing … |
| | Hi everyone, So OK basically I need to create animated button with three pictures (optional) which will represent the button as active, passive and activated. So the task wasn't very hard until my teacher added another thing: The user to be able to choose which picture to use. So my … |
| | Hello! I need to write a program to find whether a word is a palindrome or not. What differentiates this from the other palindrome threads in this forum is that I can only use certain functions. They are: If statements, string functions (to upper, to lower, indoxof, length, substrings), for … |
| | Hello, On the UNIX system that I am current working, to open a file in the pico editor ,I need to do the following: [CODE]>./pico filename.c [/CODE] Is there a script/command that I can execute which will remove the dot/slash and change that to: [CODE]> pico filename.c [/CODE] Thank you! |
| | I successfully configured MYSQL with VS2008, i executed the following code, and no errors were thrown. [CODE] #include <mysql.h> #include "stdafx.h" void main() { }[/CODE] Now i need to write a C++ code to retrieve some values from a Database, therefore i used the following code; [CODE] #include <mysql.h> #include … |
| | I've found a lot of programs over the internet that have custom buttons. I mean... normal behaving buttons but using images, or shapes, as the button itself. I've searched a bit on Google and I've reached a project in VB.net, but it didn't work. Maybe was because VS2010 converted it … |
| | I'm a Python semi-beginner and i have to do a prac but the problem is i've totally forgetten how to do it! Can you please help me get started with part 1 even if its just 1.a because every time i tried to get it to work it keeps saying … |
| | Guys, how do I add an item to a list using a loop? My loop in a nutshell does this: [CODE]for w in book_line.split(" "): word_list = [] if w != "": word_list.append(w.lower()) return word_list[/CODE] While experimenting with this I got mainly two results: 1.) When I use return word_list, … |
| | Hi! I am trying to do a project in which I draw a Christmas tree with about 3 segments, filled in with color and with writing below it saying "Merry Christmas". Sadly, I have no idea where to being! I'm able to draw the Christmas trees using stars by defining … |
| | I am reading a text file inside Python that contains salaries and the raise they will receive as a percent. I am trying to multiply the initial salary by the percent and print the salary after the raise has been applied. I keep receiving an error message which is as … |
| | Good day all: I've been experiencing a great difficulty resolving a problem concerning replacing [CODE]<br/>[/CODE] to an actual newline inside a textarea box. Much of the problem has been because the data in the textarea is populated via a php script in this manner: [PHP] echo "formObj.servicedesc.value = '".toSafeString($inf["servicedesc"])."';\n"; [/PHP] … |
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| | I have a very simple PHP script which doesn't work correctly for no reason at all, except that I am cursed:scared:!! This is my code and then I will give you the retarded error message I am getting!! [CODE]<html> <form action="get.php" method="GET"> <input type="text" name="myname"><br> <input type="submit" value="click here"> </form> … |
| | Hello I'm having trouble extending JPanel. I know how to extend JFrame but my assignment calls for JPanel. Here is what I have: [CODE]import java.awt.Color; import java.awt.FlowLayout; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; public class Guess extends JPanel { private … |
 | I really have no idea where to start. Please only respond if you actually want to help. Not to name names, but [B]some [/B]people on here are just rude. Here is the assignment and any advice will be [B]greatly [/B]appreciated! 1. Write a program that allows the user to enter …  |
| | Hey all, I'm implementing a hash table for a spell checker and need some assistance on vector const_iterator - at least I think that's where the problem lies. Can anyone assist in diagnosing how to fix these compiler errors? I initially got this error, which i think will come back … |
| | Hi Everyone ! I have 2 DropDownList controls inside an UpdatePanel. The first is a dropdown for [B]Country[/B] while the second is for [B]State[/B]. I have set the properties of Country as AutoPostBack="True", OnSelectedIndexChanged ="PopulateState". Selecting a different Country fires the [I][U]PopulateState[/U][/I] function causing the the State to populate itself …  |
| | i have my code and i want to cycle through the following colors blue green orange red yellow. i got blue but i dont know how to the rest [CODE]from Tkinter import * myfont = ("Arial", 1, "bold") window = Tk() window.title("grid") window.geometry("500x420") frame = Frame(window) frame.grid() button0 = Button(frame, … |
| | Guys I have a text file, and I am trying to get my program to focus on a specific part of the text. How would I do that? I tried this to no avail: [CODE]f = open("book.txt") f.readlies()[10:3340][/CODE]  |
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