O'Reilly Answers

By chco  | Today, 03:37 AM

The following excerpt from the O'Reilly publication Programming iOS 4 offers some insight into the differences between Classes and Instances.Here is an extremely characteristic and profound featur...

By BrianSawyer  | 11 July 2011 - 06:13 AM

On September 27, 2010, Amazon "announced that it will launch a Kindle app for the new BlackBerry PlayBook tablet computer." It's still not here, and that's the reason my PlayBook is ...

By chco  | Yesterday, 04:50 AM

The computer industry is known for attracting a certain type of individual: the archetypal “computer guy” who thinks he’s smarter than everyone around him and talks to people like they’re idio...

By AdrienLamothe  | 09 August 2011 - 01:57 PM

I recently wanted to migrate some Ruby on Rails applications from version 2 to 3. I also had for some time wanted to migrate from Ruby 1.8 to Ruby 1.9. Many people recommended using RVM to manage a mu...

By chco  | 09 August 2011 - 02:54 AM

You’ve got a great idea that you believe will change something for the better. Maybe it’s the network, or maybe it’s the way the company hires and interviews people, but you know it’s worth do...

By bjepson  | 04 April 2010 - 04:44 PM

Back when the iPad was announced, my friend Morgan and I talked about a concern some people have with the iPad. Because you can't program right on the iPad, we run the risk of depriving kids of wh...

By chco  | 08 August 2011 - 04:07 AM

A routing protocol is a means whereby devices exchange information about the state of the network. The information collected from other devices is used to make decisions about the best path for packet...

By chco  | 04 August 2011 - 12:49 AM

The following excerpt from DNS and BIND on IPv6 offers a practical look at adopting IPv6 and how you'd set up a Dynamic Resolver to work with it.IPv6 supports several methods for dynamically confi...

By chco  | 12 May 2011 - 04:56 PM

There are two ways to create a user interface (UI) in Android. One is declarative, and the other one is programmatic. They are quite different but often are used together to get the job done. The foll...

By msilver  | 03 August 2011 - 05:41 PM

If you work at a company which uses a “everyone in the company” catch-all address for internal announcements, you may occasionally receive a deluge of email due to your coworkers’ abuse of the R...