Incrementally replacing existing legacy system

I had recently two projects that while completely different in underlying technology, their purpose and complexity, tasks that I got were similar in following:
* System are very complex and contain a lot of business rules and knowledge that is not documented
* System or application is monolithic in design
* System is outdated and any change is [...]

Website good practices rapper

This guy is awesome, he is rapper that makes topics from web development like using standards as topics for his raps. There are several hit raps, from using css to using SEO to better your site performance. Take a look:
Design Coding rap

Link Building 101

Paid Search

[...]

Test credit card numbers

Whenever I work on ecommerce sites, there is always dreaded moment when you are supposed to test it against actual credit cards. Well, I am not crazy to pull my cc and wave with it in front of site in development and others are not more brave. However there are certain numbers that can be [...]

Google App Engine

Wow.
Google Introduction of AppEngine
http://code.google.com/appengine/
This was something I expected some time and it is finally here. I thought Amazon as a leader might do something like this but Google beat them to it. Google released virtual and distributed environment for web apps. I am still looking at presentation and it is impressive. This will solve [...]

Emergent Design in software development

To counter this April fools stupidity, I picked up very good book to read. I just started but so far I am impressed with how smart the book is (it is written of course).
Here is one story from the book, author recollects how he caught himself trying to find a bug in the software. Then [...]

Stupid april fools stories on the web

It is starting already and it seems that this year will be extra stupider comparing with previous ones. GDay search engine and Mike suing Facebook, who finds this funny? Now I just have to close the browser for a day and wait till it is over. It is seriously not funny.
Oh and I already got [...]