Joe Danziger

Keeping up with the latest Web technologies is tough nowadays. Every week it seems new sites are launched that push the envelope further and further in terms of what can be accomplished using just a Web browser. The rise of AJAX over the past several months has taken over the deve... (more)

Storage and bandwidth - these have traditionally been the two hardest things to scale up as an application grows. Many a dot-com million has been spent building out rock solid storage infrastructures, sometimes for applications which never saw the light of day. Fast forward to 20... (more)

Keeping up with the latest Web technologies is tough nowadays. Every week it seems new sites are launched that push the envelope further and further in terms of what can be accomplished using just a Web browser. The rise of AJAX over the past several months has taken over the deve... (more)

Back in the November 2005 issue of CFDJ, we looked at how to create a live map of your Web site visitors using Google Maps and other freely available services. Now that Yahoo! and Microsoft have joined the fray and released their own mapping APIs, we'll revisit our example while... (more)

The availability of the Google Maps API has opened up a slew of new development possibilities and spawned a bunch of web sites that rely on this data to function. Example applications include jogging trackers, subway map overlays, and other cool ideas all made possibly by the pub... (more)

Collaborative filtering on the Web has existed for a long time, dating all the way back to the original incarnations of sites like CDNow and Amazon.com. Recommendation systems are a powerful tool for businesses to extract additional value from their e-commerce and customer databa... (more)

A denial-of-service (DoS) attack is an attempt by a single person or a group of people to disrupt an online service. It is designed to bring the server and network to its knees by flooding it with useless traffic. A DoS attack is the most common type of Internet attack and can be... (more)

Nobody likes errors, but the bottom line is, they're a fact of programming life. The better you are at pinpointing them, the better your code will get. Unfortunately, ColdFusion has never provided very good functionality for tracking the errors that occur within your production a... (more)