I was facing a strange problem. My application was working fine, but after some time it stopped to respond. It just returned error code 500. No error message on the screen, no error message in the error log, everything seemed to be fine. I found few hints on the internet – reboot, delete all sessions…… Continue reading Rails application not working, no error displayed, just error code 500
Month: February 2007
Integration really is the killer app
About 6 months ago, I posted an entry on how integration was crucial to success of smaller web 2.0 applications. Today Yahoo released Yahoo Pipes, which sounds like an implementation of the same idea. A platform for creating mashups. The web is evolving in interesting ways, and whether this particular service succeeds or not, we… Continue reading Integration really is the killer app
How to show performance statistics in a chart
Working on performance tests and tuning is an interesting and challenging job. One has to prepare tests, execute and also evaluate them. The preparation and execution is not always easy, but it is manageable. The evaluation of the tests comes with an interesting problem. The problem is called data visualization. I was testing a system… Continue reading How to show performance statistics in a chart