Mike Grafton's blog
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What is better for optimizing the load time of pages on the iPhone: minifying or packing your javascript?
Interesting
Selenium removes the If-Modified-Since header. This gets in your way if you are testing ETags.
Speaking of ETags - they are awesome. See Ryan Daigle's article for code.
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Just how slow is Mongrel when serving static images?
The answer is - pretty slow. The reason for the question was that Google's crawler tends to keep a single connection open and fire lots and lots of http requests over a period of several hours. With a standard Nginx/Mongrel setup, this would tie up a mongrel for this entire period.
A proposed solution to this problem is to use HAProxy between Nginx and Mongrel.
Interesting
- With RMagick 2.9.1 and ImageMagick 6.4.6.9 (or so), you get a 1x1 pixel image if you crop and then resize an image to be bigger:
image.crop!().resize!()
- Pivotal Tracker is a finalist for a Jolt award in project management. Good luck Tracker!
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How do you make a Mac not sleep?
Use the Energy Saver section of the System Preferences.
Interesting
RubyMine 749 is out. Many of the existing bugs have been fixed, but a few new ones have been found. Notably, running specs with a "#" character in the describe string has problems.
The USPS has a nifty web service for addresses. The zip code lookup (which gives you zip+4) and the address standardization services were found to be useful.