Power Factor and Compact Fluorescent Bulbs (CFL) Christian Donner, January 21, 2009November 2, 2009 What is the power factor? What is the power factor of compact fluorecent bulbs? Do… Continue Reading
The HTML <IMG> tag and “Onload” event bugs in IE Christian Donner, January 18, 2009March 3, 2009 The problem: a blog post is supposed to show a temperature chart. The chart is… Continue Reading
A low-cost traffic monitoring and data collection system Christian Donner, December 21, 2008August 7, 2019 When I grew up in Europe in the 1970s and 1980s, there was a noticable… Continue Reading
Should the US auto industry be saved? Christian Donner, November 12, 2008November 22, 2008 Can it be saved? That is the question that should be asked instead. Probably not,… Continue Reading
Combining contiguous date ranges in a SQL query – using CTE recursion Christian Donner, November 6, 2008April 12, 2009 Sometimes we need to reduce the granularity of date ranges by combining serveral contiguous rows… Continue Reading
Oil Prices Volatile Again Christian Donner, June 16, 2008 Crude oil futures swung wildly again today, first rising to a record and then tumbling… Continue Reading
Pain and Suffering on Ebay – the story continues Christian Donner, May 28, 2008June 24, 2010 For the 2nd time in about a year I ran into what appears to be… Continue Reading
MP3 Filer (free iPod Ripper!) Christian Donner, April 1, 2008May 28, 2009 Others have shown how to copy music files from an iPod to the local harddrive… Continue Reading
Gigabit Ethernet Christian Donner, March 23, 2008April 12, 2009 I wanted to know exactly how much throughput I get from my new switch (HP… Continue Reading
Why Software Development Cannot Become a Commodity Christian Donner, May 4, 2007May 3, 2008 The outsourcing and offshoring trends of the early 2000’s were an indication that executives increasingly… Continue Reading