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I want to write a query for MS SQL Server that adds a column into a table. But I don't want any error display, when I run/execute the following query. I am using this sort of query to add a table ... IF EXISTS ( SELECT * FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[dbo].[Person]') AND TYPE IN (N'U') ) But I don't know how to write this query for a column. Lieven Keersmaekers You can use a similar construct by using the sys.columns table io sys.objects . IF NOT EXISTS ( SELECT * FROM sys.columns WHERE object_id = OBJECT_ID(N'[dbo].[Person]') AND name = 'ColumnName' ) SPL IF COL_LENGTH('table

I want to add an object to an ArrayList , but each time I add a new object to an ArrayList with 3 attributes: objt(name, address, contact) , I get an error. import java.util.ArrayList; import java.util.Scanner; public class mainClass { public static void main(String args[]){ Scanner input = new Scanner(System.in); System.out.println("Plz enter Name : "); String name = input.nextLine(); System.out.println("Plz enter Address : "); String address = input.nextLine(); System.out.println("Plz enter ContactNo : "); String contact = input.nextLine(); ArrayList<Data> Contacts = new ArrayList<Data>();

I know that you can add new jQuery functions by $.fn.someFunction = function() However, I want to add functions to specific elements only. I tried this syntax and it doesn't work $('.someElements').fn.someFunction = function() I want to do this so that I can call the function like this somewhere in the code $('someElements').someFunction(); Reigel Use .bind() and .trigger() $('button').bind('someFunction',function() { alert('go away!') }); $('button').click(function(){ $(this).trigger('someFunction'); }); As of jQuery 1.7, the .on() method is the preferred method for attaching event handlers

I have <textarea> where user can type in his message to the world! Below, there are upload buttons... I would love to add link to uploaded file (don't worry, I have it); right next to the text that he was typing in. Like, he types in 'Hello, world!', then uploads the file (its done via AJAX), and the link to that file is added in next line to the content of <textarea> . Attention! Is it possible to keep cursor (place where he left to type) in the same place? All that may be done with jQuery... Any ideas? I know that there are method 'append()', but it won't be for this situation, right? Try