Using Selenium RC with multiple users

Zachary Fox (from Alert Logic too) wrote a very good tutorial on how to run Selenium RC to execute unit tests in a team environment.

If you have multiple users running unit tests concurrently against the same Selenium RC server, some nasty things may happen. Zach explains how to properly setup multiple Selenium RC servers, so everyone can work on their own server.

FirePHP - Debugging PHP applications with Firebug

FirePHP Screenshot

FirePHP seems like a very cool project, allowing PHP developers to debug applications without having to disrupt the normal process of a script. It works by sending the debug content to the browser in special HTTP headers, and the Firefox extension add-on to Firebug will parse those and display them in a special panel within Firebug.

It’s so useful I’m going to install this right now. I can’t believe nobody else thought about doing this before!

Google I/O event coming up

Google I/O is a self-proclaimed developer gathering happening in San Francisco at the end of this month (just two days though, May 28-29). It seems like a really cool event with lots of sessions about Web stuff in general.

The downside is that there will be around 70 sessions in a two day window, each with a time limit of 1 hour. So it seems like it will be kind of rushed, and I wonder how many attendees will miss a session because 4 other interesting ones are happening at the same time. Maybe expanding the number of days would have been a bit better.

It doesn’t look like I will be able to go as we will be finishing up on an upcoming release of our product.

More performance tuning advice from Yahoo!

Stoyan Stefanov is continuing the work of Steve Souders on the performance front by publishing some new research from Yahoo! to extend the initial list of 14 performance rules with 20 new ones. He presented at the PHP Quebec Conference a few weeks ago.

Generating Graphs with PHP and Google Charts API

Ludwig Pettersson has a really good overview of the Google Charts API, and how you can integrate your PHP scripts with it. He created a PHP library that wraps around the API, and makes it really easy to generate graphs that way.

I’m not sure if I would move away from JpGraph to this new library, but it seems really cool no matter what. I guess it could be an option if you wanted to avoid doing all of the manual work associated with different types of graphs, and offload some graph generation to Google.

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