Archive for December, 2007

Using Selenium RC to automate your web based testing

Monday, December 31st, 2007

Selenium is an awesome free alternative to apps such as Quick Test Pro and the like, providing you with a browser based automation suite for web applications.Selenium uses JavaScript and Iframes to embed a test automation engine in your browser. This technique should work with any JavaScript-enabled browser. Selenium Remote ...

Another chart API for your performance metrics

Tuesday, December 18th, 2007

Google have got some charting code worth looking at, which basically allows you to create charts by modifying parameters in the query string. Something as simple as this: http://chart.apis.google.com/chart?chtt=Tim's%20Beer%20Intake&cht=p3&chd=s:9h&chs=250x100&chco=00ff00&chl=Unemployed|Employed produces this: Being on holidays at the moment, I'm lacking the um, 'project' on which to apply this technology, but am curious ...

Using bees to find bottlenecks

Tuesday, December 18th, 2007

On a basic level, the honeybee’s dilemma is a tale of two flower patches. If one patch is yielding better nectar than the other, how can the hive use its workforce most efficiently to retrieve the best supply at the moment? The solution, which earned Austrian zoologist Karl von Frisch ...

Risk management for dummies

Wednesday, December 12th, 2007

This video is a play on Pascal's Wager which really gets you thinking on possible outcomes for a given scenario being climate change ... Is it a better bet to accept doomsday predictions for climate changes, or rest on our haunches and let the world pass by? If you haven't ...

Leopard Perl 5.8.8 installation throws errors when compiling (makefile)

Thursday, December 6th, 2007

If you're stuck with this error when trying to compile your own apps: No rule to make target `/System/Library/Perl/5.8.8/darwin-thread-multi-2level/CORE/config.h', needed by `Makefile'. You will probably find that your Leopard installation is lacking some necessary files. If you copy the files from your old(er) installation of perl (5.8.6) you should be able to ...

By the power of R, statistical computing at your fingertips

Wednesday, December 5th, 2007

I've explored in previous posts the use of tools such as onboard Analytics (LoadRunner), off-the-shelf tools (Excel) and custom web based implementations (JGraph, ChartDirector) used to analyze the nitty gritty of performance metrics. All of these tool's use are governed by some common factors being: the Expediency factor - the timeliness of ...