Tag Archive for "tech"

Y2K38: The New Y2K

January 16th, 2008 by Andrew

Remember the Y2K scare? Everyone was afraid the world would end when clocks changed over to January 1st, 2000. Why? Because many antiquated computer systems were never programmed with knowledge of the year 2000. The values for years on these systems were stored as only two numbers. So 76 meant 1976, and 00 meant 1900. […]

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PowerBook RAM Upgrade

January 11th, 2008 by Andrew

I had meant to post this back in August when it was relevant. I didn’t. When my PowerBook hard drive crapped out on me, and I had to use Disk Warrior to retrieve all my data, I decided it was also a good time to finally upgrade my memory. Here’s a before and after of […]

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Finding Frequency Counts With SQL

January 11th, 2008 by Andrew

Finding the frequency of items in a database table is something I find myself needing to do a lot. Though for some reason when I need to do this, I always forget how, so here it is. Let’s say you have a table of tag data with two columns and a bunch of rows. Let’s say the table is a simple adjacency list of tags for posts on a blog.

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What’s With The WWW?

January 9th, 2008 by Andrew

Why do we still need the “www” in front of domain names? Most sites allow users to access their site whether or not they include the “www.” For example, here on my site, if you go to www.amwhalen.com, you’ll be automatically redirected to amwhalen.com. But first, before I get into reasons why I don’t like […]

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MultiViews

December 6th, 2007 by Andrew

I use my PowerMac G5 at work to develop and design sites locally. Apache in Mac OS X seems to come with MultiViews enabled by default. Multiviews is part of mod_negotiation. I know mod_negotiation as it is very helpful with setting mime types using code like: AddType image/gif .gif MultiViews I was unfamiliar with. What […]

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