GNU Emacs and GPGTool on Mac
Before I switched to a Mac the real™ GNU Emacs has been my main editor. On the Mac I used Aquamacs a lot but after the recent release of Emacs for Mac OS X Version 23.4 I decided to switch back to GNU Emacs. But after the change the integration with GPGTools stopped working.
Read More...Universal Scalability Law in Oracle
In August 2011 Dave Abercrombie wrote an article about the Universal Scalability Law (USL) in an Oracle OLTP database. He used Mathematica for his calculations and wanted to provide a solution based on R later. Currently I am keen to learn more about the Universal Scalability Law and therefore I decided to transform his calculations into R code myself.
Read More...Logging Apache response times
The response time of a web application is one of the most important factors to create a convenient user experience. Nobody spends much time exploring a site with a sluggish response time. So you need to understand where the time is spent to improve the response time of your web application. This article is about the response time log of the Apache HTTP Server.
Read More...

