Simon Willison’s Weblog

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Wednesday, 24th June 2009

To Sprite Or Not To Sprite. CSS sprite images are decompressed to full bitmaps by browsers before they are rendered, so sprite files with large numbers of pixels will dramatically increase the memory footprint of your site.

# 10:33 am / css, csssprites, performance, velocityconference

Software engineers today are about 200-400% more productive than software engineers were 10 years ago because of open source software, better programming tools, common libraries, easier access to information, better education, and other factors. This means that one engineer today can do what 3-5 people did in 1999!

Auren Hoffman

# 11 am / aurenhoffman, engineers, open-source, productivity

Test-Driven Heresy. Tim Bray advocates TDD for maintenance development, but argues that it may not be as useful during the exploratory, greenfield development phase of a project.

# 11:03 am / tdd, testing, tim-bray, unittests

Four crowdsourcing lessons from the Guardian’s (spectacular) expenses-scandal experiment. Michael Andersen from the Nieman Journalism Lab interviewed me about the MP expenses crowdsourcing site.

# 3:31 pm / crowdsourcing, guardian, interviews, mpsexpences

2009 » June

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