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| | hey guys, i got a question which stuck my brain few days and here is it. i studies some drop down list tutorial but some how i still have no idea to generate a three level drop down list by which value of the drop down list is dynamic, mean … |
| | I have two arrays: n = [30, 47.2, 70.2, 77.4, 36.3, 20.6, 18.1, 21.4, 22, 25.4, 27.1, 40.3, 57, 76.6, 52.3, 19.5, 11.2, 7.6, 14.6, 16.2, 24.7] p = [4, 6.1, 9.8, 35.2, 59.4, 41.7, 19, 13, 8.3, 9.1, 7.4, 8, 12.3, 19.5, 45.7, 51.1, 29.7, 15.8, 9.7, 10.1, 8.6] …  |
| | Hello again, I'm still working on my game, and now I'm running into a situation where I am using 4 radiobuttons in a groupbox for the answers, as each question changes the text of the radiobutton changes and along with it the correct answer. I want to be able to … |
 | Hey guys.... really need your help? I'm working in VB C# 2010.... I have a windows form application where i want the texts from multiple texboxes to be added to the dataGridView as one row... can someone please tell me where to start? Thanks |
| | Hi, This is the line: Class ourClass = new Class.forName("com.app.something"); And this is the the error: cannot find symbol class forName My IDE is Intellij Idea. This is a particular case, but i want to know what causes this type of error, what should i look for.  |
 | Hi all, i am new to android development, in fact its my first application. i am making a simple calculator. i just want to know how to get the value of a pressed button. Any help plz  |
| | Hi all... I hope you have good time .... I have problem in the new program and I want to your help .. I want to back up the database type from Access, but my problem I could not generate code to determine the path of the database, I noticed … |
| | Here is a very simple segment of code. What I want is when I click on the button "First Button" then the window become empty. What actually happens is the window just becomes unresponsive. What could be the problem and what could be a solution?? import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import … |
 | Here is a class to SQL use an access database: Class MyDB Public DBName As String Private con As New OleDbConnection(ConStr) Sub New(ByVal DBN) DBName = DBN End Sub Private Function ConStr() ConStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & DBName & ";" End Function Private Sub ConInit() If con.State <> ConnectionState.Open Then … |
| | I have queue class as below public class queue { public: queue(); ~queue(); bool Empty() const; void Enqueue(message^); void Dequeue(); void DisplayAll() const; private: gcroot<String^> bindingkey; queue(queue const& obj); ListNode* head; ListNode* tail; }; queue::queue():head(nullptr), tail(nullptr) {} queue::~queue() { while (head != nullptr) { Dequeue(); } } //bool queue::Empty() const …  |
| | I'm getting some errors with my code, & cant seem to find where the problems are. Basically I'm making a student class that calls out the student id & name. I hope someone can point me in the righ direction to get this code working. Thank you student.cpp: #include <iostream> … |
| | hello, i'm leaning about ActionListener but i can't compile my code, i don't know why :( this is the code package javaapplication7; import java.applet.Applet; import java.awt.Button; import java.awt.Color; import java.awt.Label; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class Test extends Applet implements ActionListener{ Button b1=new Button("Red"); Button b2=new Button("Green"); Button b3=new Button("Blue"); … |
| | Can anyone teach me how to print "Hello World" 100 times without using the loop such as do, for, while, and foreach. Thanks... |
| | create trigger ins_notification after insert on transaction_detail for each row Begin insert into sell_notifications(user_id, product_id, quantity) values(new.transaction_id , new.product_id, new.quantity); End; Can any one see where's the problem? :( |
| | I am a programming student and I've realized lately that while I understand many of the concepts I'm being taught, I still, after several programming classes, tend to have trouble with multi dimensional arrays. Does anyone know of a good tutorial devoted to this? I realize I can do a … |
| | I am trying to insert values from a table to another table. The thing is I want it such that only a row in the source table that does not exist in the destination table should be inserted. I have set each table to have a column that automatically increments … |
| | I have a private ArrayList in a class and I'd like to be able to access it outside of this class, what would be the proper way to do this? Right now I've just made the ArrayList public but I would like to allow it to be private. Should I … |
| | package array1; import javax.swing.*; import java.util.Random; class pickrand{ Random rand = new Random(); public static String get(String[] array){ int rnd = rand.nextInt(array.length); return array[rnd]; } } /*********************************************************************/ public class Array1 { public static void main(String[] args) { int size = 10; String[] passcheck = new String[size]; String[] pass = {"abc345", … |
| | Hello everyone we use a listview box and we add some path's of the files in list and now we want to show the file icon with in file path example: listview1.item.add " D:\test.txt" listview1.item.add " D:\picture.jpg" now we want to show these files icon in my listview please tell …  |
 | Hello to all java programmers, I have a problem about method and array. The program will display the second highest value of the inputed set of numbers in the main method. The problem is that it won't accept less than four inputs which mean it is necessary to put 4 … |
| | Hi im trying to learn polymorphism and i stumbled upon a question. Polymorphism to me means 1 with many forms. here is my code: // virtual members #include <iostream> using namespace std; class CPolygon { protected: int width, height; public: void display(); virtual string area () { return ("FIRST"); } … |
| | Hi all, I'm trying to display the average of each row displayed in my table but am having a bit of trouble, any assitance would be appreciated. Basically the table displays the name, the score you gave them, and their average score. Here is my code below (example, names modified. … |
| | import java.util.*; import java.io.IOException; import java.util.Scanner; import java.util.Random; public class LinkedListProgram { public static void main(String[] args) throws IOException { int i,number, ran; Scanner sc = new Scanner(System.in); LinkedList<Integer> list = new LinkedList<Integer>(); ListIterator li; String line; Random random = new Random(); int pick = random.nextInt(150); System.out.println("Enter # of nodes"); … |
| | I'm using a loop to get user input and compare it; Idk why but on the first iteration of the while it works fine and displays only once. Second run thru I get two prompts, hoping someone can point out where I'm screwing up. public static void main(String[] args) { … |
| | Hi, i'm new to python and I'm having a problem that I'm not able to solve. I have the following 2D array: valuearray = [['A', '21', '45'], ['A', '12', '23'], ['A', '54', '21'], ['A', '15', '54'], ['B', '23', '53'], ['B', '34', '53'], ['B', '32', '54'], ['B', '24', '13'], ['C', '31', …  |
| | hello all,,i added a pagination in my table,,before that,all the button is working,but now after i add a pagination,the image button is not now working....is any problem in my codes,this is my comple codes: hope someone help me out again.. <?php if(!isset($_COOKIE['POGI'])) { header("location:index.php"); } ?> <?php include('config2.php'); ?> <?php … |
| | I have this Singleton class: package com.CCharles.Singleton; import java.util.ArrayList; public enum Singleton{ INSTANCE; public void createList(){ ArrayList arrayList = new ArrayList(); for(int i=1;i<101;i++) { arrayList.add("Job "+i); } for(int i=1;i<101;i++) { System.out.println(arrayList.get(3)); } System.out.println("DONE"); } public void sayHello(){ System.out.println("Hello World"); } } and I am accessing Using: package com.CCharles.Singleton; import com.CCharles.Singleton.Singleton; … |
 | hi guys, this is my first javascript program so i'm certainly a noob. i just want to ask why doesn't this global variable not recognized by my functions .. ? the thing is i need to get the id of a certain table to count the number of rows and … |
| | I am a newbie of node.js and I am trying to run a simple chat application but I got an this error: node.js:201 throw e; // process.nextTick error, or 'error' event on first tick ^ Error: Cannot find module 'now' at Function._resolveFilename (module.js:334:11) at Function._load (module.js:279:25) at Module.require (module.js:357:17) at … |
| | Its an exam question that wants to modify code so that the following output is generated 1 2 3 4 5 2 3 4 5 3 4 5 4 5 5 **This was the original code** #include<stdio.h> void main() { int i,j; for(i=1;i<5;i++) { for(j=1;j<=5;j++) { printf("%d",i); } printf("\n"); } … |
| | Learning Java, I have never used the keyword "this". So I am wondering when it is smart to use it. I know that it does prevent name conflicts: public class test { int x; int y; public test(int x, int y) { this.x = x; this.y = y; } } … |
| | So my java class is a joke, and we're expected to learn how to do our assignments via the web...I'm a hard worker, but I'm just not good at this. [Assignment pic](http://oi50.tinypic.com/aw3zx2.jpg) There's the assignment image. I think i got how to do the first part with the adding random … |
| | Hi, I am trying to create a page where depending on which one of three radio buttons is selected something different happens. The context is that users have already registered and so the 'gigname' is taken from url (which seems to work now). The original url looks like example.com/listtype.php?name=gigname (with … |
| | Maybe I'm just missing something but I was thinking what do you call something like a Windows Form Application in Visual Studio where you can drag and drop and stuff like that. Do you call that an API or SDK or GUI or something else? By the way, as I …  |
| | hi.. i am trying want to solve this Write a complete program that reads 11 integers from a file called ‘file.txt’ and stores them in an array. Your program should then remove the duplicated numbers, find and print the sum of all the even numbers in the array as well … |
| | Hi I have a program in java that outputs 1000 hello world without using iterators (for, do while etc).. I tried to translate my code into vb.net and here's my code: `Module Module1 Sub Main() printToThousand(1) End Sub Public Function printToThousand(ByVal i As Integer) Dim r As Boolean Console.WriteLine("Hello World") …  |
| | The output of the following line of code is: Not Done End boolean notDone = false; if (notDone = true) System.out.print("Not "); if( notDone = false) System.out.print("Done "); System.out.println("End"); The answer is false but I am having a hard time understanding why. Aren't the if statements setting notDone equal to … |
| | Hi, how do i output a list,1-5 of the following factorial? #include <stdio.h> #include <stdlib.h> #define fact 5 int main(void) { int i,result=1; for (i=fact;i>=1;i--) result*=i; printf("factorial of (%d) = %d\n", fact, result); return(EXIT_SUCCESS); } |
| | hello i want if enter account save in database :) this is my code , but it's not save anything in database :"( i don't know why ! i have database "accounts" have "2 row name & account" <html> <body> <?php $con=mysql_connect("localhost","root",""); if(!$con) { die('can not connect'.mysql_error()); } mysql_select_db("scms", $con … |
| | I keep getting an error with the "ButtonListener." I don't know what it is that's causing it, but help would be appreciated. import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import java.awt.*; import java.awt.event.*; import javax.swing.*; public class MovingCarPanel extends JPanel { private int delay = 2; private Car car; private Timer …  |
 | I have my project due of hangman and it is worrying me lately. I need to make a hangman game. I have studied arrays, functions, loops, if else statements. That is about it. I haven't done 2d arrays. Will do it now, because someone told me it is not possible … |
| | I Have This Workers List: private List<Worker> buildWorkerList( Producer producer ) { List<Worker> workerList = new ArrayList<Worker>( 11 ); workerList.add( new WorkerImpl( "Garnett", producer ) ); workerList.add( new WorkerImpl( "Durant", producer ) ); workerList.add( new WorkerImpl( "Xavier", producer ) ); workerList.add( new WorkerImpl( "Daniel", producer ) ); workerList.add( new WorkerImpl( … |
| | I need Subversion server for eclipse and client which works on Mac, I need something free or a 30 day trial Do you have some idea? Thanks  |
 | I am trying to append the code to display the results of the database by including a link, I got the link to work, but it will not display the results when clicked. Below is the code, If you can help me that would be great! Thanks <?php //if we … |
| | Hi there guys I need your suggestions. Do you know any system or game that is not that hard to program, like something that can be done for less than 3 weeks because I need it for my term project. thank you for those who will help out.  |
| | Hey so this is my code for checking for palindromes...it compiles fine, the problem is it doesnt work. Basically I converted the four sentences into strings without spaces or other characters and added them to a new string called newstr....i used the newstr to check for a palindrome in the … |
| | My textboxes and labels are fine in design view, but when I switch over to Debug or Build, a couple of the textboxes are pushed together and the labels aren't in their original spots. Haven't seen this before and was wondering if anyone has any suggestions as to why and …  |
| | I would like to take string argument for class BalancedTrinary intializer, but the string type of argument is processed before it enters the init function. I guess I must override any class method which deals with those for int/long? def val(number_sequence, base): """ produce integer value of number_sequence as base … |
| | Greetings All, I have a brain fart. I am trying to print the first and second number in the array which is [0] and [1]. I have the for loop going through each element in the array integersCount[] so I can find those positions. But do I need an if … |
| | I currently have this login form in my python program with a submit button: <input type="text" class="input-small" placeholder="Email"> <input type="password" class="input-small" placeholder="Password"> and I have an sql database that has emails/logins/etc. How do I make it so the after pushing the submit button, the email/password is verified with the database … |
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