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| | I can't figure out why I get the NullPointerException on Line 223. Would appreciate any help whatsoever. Sorry about the spacing below. Some of the code appears messy. Toggle Plain Text and it should look better. [CODE]/* Section 1: Import Statements. Imports the Scanner class and the IO Package. */ … |
| | Does anyone know what is wrong, that this script in this case, a bad number of days in the difference in dates? The difference should be 2 days - the script shows 1 day. If the difference is in the same month is OK. [CODE]<script type="text/javascript"> var date_from = new … |
| | [CODE] a = input("enter the string") print "%s dinesh" %l m=re.match(r'(.*)(\.*)',l,re.I) print m.group() print m.group(2) [/CODE] i m getting the following error ,when i give input [CODE] Traceback (most recent call last): File "regularexp.py", line 1, in <module> a = input("enter the string") File "<string>", line 1, in <module> NameError: … |
| | can anyone tell me how to get out of the error Connection refused: connect thanks in advance |
| | hi guys,i was trying to make user able to make selection again when they make an invalid input, but when i run this code,it just doesnt work that way,it goes printing the same line like crazy...did i do something wrong? [CODE] int main (void) { //Local Declarations int menu; //Statements … |
| | Hi, I am new to java and I need to work with arrays. I have found some tutorials, but everywhere was something like [CODE] int[] anArray; // allocates memory for 10 integers anArray = new int[10]; [/CODE] But what if I dont know how long the array will be? When … |
| | hey everyone, I'm trying to perform a program that will perform a leap year method and also have it to loop. here's what i have so far: import java.util.Scanner; public class LeapYear { //Create a Scanner object for keyboard input. static Scanner keyboard = new Scanner(System.in); //Set variables public static …  |
| | I know this has been asked many times before so I apologize but here's the php file that's generating the error on the "if($stmt = $this->conn->prepare($query))" line: [CODE]<?php require_once 'includes/constants.php'; class Mssql { private $conn; function __construct() { $dbServer = DB_SERVER; $dbName = DB_NAME; $conn = new PDO( "sqlsrv:Server=$dbServer;Database=$dbName", NULL, … |
| | myqry = "UPDATE tblReceive SET " myqry = myqry + " ProductName = '" & txtProd.Text & "'," myqry = myqry + "' Quantity= " & txtQuan.Text & "'," myqry = myqry + " Quantity Unit= '" & ComboBox3.SelectedItem & "'," myqry = myqry + " Category = '" & …  |
| | Hey guys, How would I work out the date range for the current week...? Then +1 week or +2 weeks time... I hope you understand... So... This week... 20.02.2012 26.02.2012 +1 week will be 27.02.2012 04.03.2012 I will set an offset url variable Thanks Dan |
| | Hi, how could i check is a number an int or a float? |
| | Hi! I dont know if this possible I have a payments table in a database what I want to accomplish is, once a certain customer id has paid say $100 USD my discounts table will generate a code for me automatically say I'll insert a new record is there such … |
| | I am trying to cast combo box to string but I have problems with it. I get NullPointerException? [CODE] fontStyle = (String)combo.getSelectedItem(); size = (String)comboSize.getSelectedItem(); if (fontStyle.equals("Regular") && size.equals("10")) { Font font = new Font(Font.SANS_SERIF, Font.PLAIN, 10); text.setFont(font); } [/CODE]  |
 | Guys can any one help me in JAVA? how does it help in making softwares? |
| | This is my first time to do visual basic program Please help me about this problem... When I run the program with maximum attempt of 3 with correct username and password, Illegal user will pop up,,,i really dont know what to do..illegal user must be pop up when i already … |
| | Hi the project i have is Write a program that displays diamonds as text using a character provided by the user. For example, a diamond of height 6 constructed from asterisks will display as follows: __* _*** ***** ***** _*** __* (I cant make it line up perfectly... ) after … |
| | I do the program to practice what I have learned in a class at my university(convert input of infix form to post fix one), but my program doesn't run correctly. Please help my to find out my bug. == IntoPost class /* * To change this template, choose Tools | … |
| | I have the following piece of code. I do not understand why its not working. I'd really appreciate help on this. [CODE]import java.util.Scanner; import java.io.*; class ReadFiles { String [] codes = new String[99]; int i = 0; private Scanner readCodes; public void openCodesFile() { try { readCodes = new … |
| | Hello, currently, what i want to do is, add a column in a table "default" during runtime. Well, I've got that covered already. The problem is, the column names are actually taken from the users input through a textbox or drop down list and of course, if the same column … |
| | This is just a part of a program When my code asks me Enter diamond size ("short", "average", or "tall"): how do i make it so that if i don't put anything and press enter it asks me exactly same questions again?? i tried putting input.length() == 0 or input.equals("") … |
| | I have been doing some research on how to go about using a random salt per user's password. There are a few things that I am still unsure about. It is easy enough to store a random hash using something as the following: [CODE] <?php $password = 'MySuperSectretPassword!'; $salt = … |
| | This is my code: it works,but when the user answers correctly until question 7,the question 8, 9 , 10 will be skipped and goes to result instantly,can someone tell me whats wrong?i been looking it trhough for hours >.< thanks [CODE]void hangman (void) { int wrong =0; int answer; char … |
| | hi guys,im trying to create a menu which allow user to select their choice. When a choice is selected, a function designed for that choice will be called. However,it seems that i cant use 'if else' to call them, is there anyway to solve it?im sure i did it wrongly...if … |
| | Hey, I'm trying to store data in a record store then sort it, but I'm getting weird results when I try to add anything to the recordstore object... I was using a for loop to add records, and I noticed that the recordStore contained way more records than I added. … |
| | Hi all, I'm having some troubles practicing linked-lists: the problem calls to implement string as a linked-list of chars. So I created a new class - mystring and defined building function, show(), and also destructor. The build and show works correctly. I get the exact same string I sent as … |
| | I'm trying to make encryption program but when i run the program it gives me this error: Debug Assertion Failed! Program:...nts\visual studio 2010\projects\encrypter\debug\encrypter.exe File:c:\program files\microsoft visual studio 10.0\vc\include\xstring Line:1441 Expression: string subscript out of range For information on how your program can cause assertion failure, see the Visual C++ documentation … |
| | Hello EveryBody i want to change a file extention property in visual basic 6 Example; i have a File test.txt or test.jpg what we want ? and we use a command botton and two textbox Text1.text = "C:\test.txt" 'Textbox 1 is my file path Text2.text = ".pdf" or ".psd" ' … |
| | Hi all, How can I make this nonsens i have written work? I have 2 tables, one containing the urls I need to echo out in links - But I am not echoing out all of them. First I have to check in another table if there are any products … |
| | Hello, I'm a python beginner and glad I joined this forum :). I'm wanting to make a simple program where the window is hidden for x seconds/minutes and is then shown again. My problem is that using time.sleep() causes the Hide() function to not run until after time.sleep() is complete. … |
 | hello ! basically i am working on .net , but now i want to learn java , is there any software like visual studio for .net .if yes then please can any one tell me or provide me any helpful link. Best Regards M.Waqas Aslam |
 | What (if anything) is the difference between these two? [CODE]String[] sa = {"ABC"}; String[] sa = new String [] {"ABC"};[/CODE] |
 | Hello, I need some help please.. I need to write a recursive predicate in Prolog that subtracts two numbers until number 2 is higher than the result. I have completed the logic in C++: [code] #include <iostream> using namespace std; int mod3(int a, int b) { int intResult = a-b; … |
| | I'm creating a program which has data in the linklist. I'm trying to print out the element in the linklist from head to tail and tail to end, but for some reason, I run into some compiler error. I don't know why it won't let me call the hasPrevious and … |
| | I have two relation table and I've made a php sql query out of it ... What I need is to insert the sql result into a new database table... Anyone ? this is my code [CODE]<?php $con = mysql_connect("localhost","sample","sample"); if (!$con) { die('Could not connect: ' . mysql_error()); } … |
| | Hello i am trying to make my Ajax fetch the right <input button value. The <button is generated by PHP and will look like this. [CODE] <input type="button" value="Private" id="txtCustomerId" onclick="requestAlbumInfo()"/> <input type="button" value="Public" id="txtCustomerId" onclick="requestAlbumInfo()"/> <input type="button" value="Nature" id="txtCustomerId" onclick="requestAlbumInfo()"/>[/CODE] My Ajax needs to fetch the value="" and send … |
| | How can I obtain the first row value. ex. Table ID NAME AGE 1 peter 14 2 Jogn 13 3 Luke 6 If i click peter I will get 1. I can get the clicked value but I do not know how to get the first item in the selected … |
 | Hello Friends, I am messed up with the below query [CODE] Try Dim myCommand As OleDbCommand myCommand = New OleDbCommand("select sum(tmt.total) as Total from Appointment appt, TreatmentMaster tmt where appt.patientid='" + txtPatIDBill.Text + "' and [tmt].[treatid]=[appt].[treatmentid] and (Format([appt.ApptDate], 'Short Date')) between '" + dtpFromBill.Value.Date + "' and '" + dtpToBill.Value.Date … |
| | Is it possible to reload a form of the running application from one computer when I executed a function from my other computer with the same application? co'z I want to see the changes of data on my datagrid view |
| | Hi everyone, I am working on a problem as follows: Write a program that draws a circle with radius 100 and center (200, 200). Ask the user to specify the x- and y-coordinates of a point. Draw the point as a small circle. If the point lies inside the circle, … |
 | I am getting ready to write a programming competition on Tuesday (the Canadian Computing Competition) and I remember that last year it said that only standard libraries can be used. I was having trouble deciding which libraries are standard. I ended up using windows.h and when I suddenly realized that … |
| | I am trying to install pyrus.phar from the command line but I keep on receiving the next error. c:/www/wamp/bin/php/php5.3.8 php pyrus.phar You must compile PHP with the following extensions enabled: sqlite3 or install the necessary extensions for your distribution. I checked the php.ini file and the sqlite3 is enabled. I … |
| | Can anyone assist me with the GUI for this program. I have tried several times will little luck. Here is the source code. Any help would be greatly appreciated. [CODE]import java.text.DecimalFormat; import javax.swing.JFrame; public class Inventory1 { public static void main(String[] args) { // Information on the Cds used Cd … |
 | Hi, I am learning templates so I have one question for this code: [CODE]template<typename T, int Number> class Data{ T Array[Number]; public: T& operator[](int); }; template <typename T,int Number> T& Data<T,Number>::operator[](int element){ return Array[element]; }[/CODE] I wish to create specialization for that class template, for any random data type, but … |
| | hi all i want your help plz am working on a news website and i want a way or code to let the visitors add comments on any news am using asp.net with c# plz help :'( |
| | Hey, So I'm working on a pretty basic program to help me get accustomed to classes, private variables and arrays. I need to hold the data for 5 individuals such as name address email etc. These are held in my PersonClass and are private strings. I access these strings using …  |
| | Hi all, I have started finding lots of uses for abstract classes to define interfaces for common functionality using polymorphism and i know that using polymorphism and virtual functions incurrs some additional call cost of functions. So what im wondering is can i get the best of both worlds? consider … |
| | Hi all. I have an up and coming midterm, and this is one of the practice problems. All's I need to do is draw a Tic-Tac-Toe board in TURTLE. However, it has to be in a loop, or something, and I am having a difficult time putting it into one. … |
 | <script type='text/javascript' src='http://code.jquery.com/jquery-1.4.4.min.js'></script> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/jquery-ui.js"> </script> [CODE] <ul id="navlist"> <li><a href="home">Home</a></li> <li><a href="contact">Contact Us</a></li> <li><a href="about">About Us</a></li> </ul> [/CODE] [CODE] #content{ width: 100%; height:350px; display: none; background: orange; position: absolute; left: 0px; bottom: 0;} [/CODE] [CODE] <script type='text/javascript'> $(document).ready(function(){ $('#navlist li a').click(function(){ $('#content').hide("slide", { direction: "down" }, 900); var … |
| | Hello,i have the following html page. [CODE]<html> <head> </head> <body> <div class="container"> <div class="8"> <?php $firstname['1']; ?> </div> <div class="8"> <?php $firstname['2']; ?> </div> <div class="8 last"> <?php $firstname['3']; ?> </div> <div class="8"> <?php $firstname['4']; ?> </div> <div class="8"> <?php $firstname['5']; ?> </div> <div class="8 last"> <?php $firstname['6']; ?> </div> … |
| | Hi gurus, this is a homework assignment on finding all closest pairs. I used a quad tree for my algorithm and its running time is compared to the naive algorithm. (I didn't use the java quad tree because I didn't know it existed...) My problem right now is that after …  |
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