I have a requirement to find and extract a number contained within a string. 29 Answers ...

I don't fully get what Node.js is all about. Maybe it's because I am mainly a web based business application developer. What is it and what is the use of it? ...

In my web application I have to send email to set of predefined users like finance@xyz.com , so I wish to add that to a .properties file and access it when required. Is this a correct procedure, if so then where should I place this file? I am using Netbeans IDE which is having two separate folder...

I recently attended an interview where I was asked "write a program to find 100 largest numbers out of an array of 1 billion numbers." ...

What is the difference between destroying a session and removing its values? Can you please provide an example demonstrating this? ...

I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price in 2 decimal places only if the decimals are entered for that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should displa...

I have a function which return a type int. However, I only have a value of the TAX enumeration. 7 Answers ...

This has been bothering me for a while, and I'm wondering if there's any consensus on how to do this properly. When I'm using an HTML list, how do I semantically include a header for the list? ...

I am creating an application which connects to the server using username/password and I would like to enable the option "Save password" so the user wouldn't have to type the password each time the application starts. ...

I have an image view, declared programmatically, and I am setting its image, also programmatically. 10 Answers ...