http://finance.yahoo.com/family-home/article/103216/the-cheapest-days-to-buy-certain-items – The cheapest days of the week to buy particular items. Books, clothes, and airplane tickets are my favorites.

http://firedoglake.com/2008/05/24/come-saturday-morning-bike-commuting-for-newbies/ – Bike commuting for newbies. In spite of some interestingly wrong predictions about gas prices at the beginning, it’s full of good information.

http://www.flickr.com/photos/amit-agarwal/3196386402/sizes/l/ – Chart types for different tasks. A great way to pick the most appropriate type of chart for showing the right kind of data.

http://www.sloshspot.com/blog/06-24-2008/Ten-Cool-and-Free-Magic-Bar-Tricks-23 – Ten bar tricks. It’s maaagic!

Now a pair of nerdy ones:

http://www.cs.trinity.edu/About/The_Courses/cs301/math-for-the-layman/ – Math for the layman. Written by the eminent Kenneth Iverson of IBM and APL fame, this is a ground-up course in theoretical mathematics from the basics of numbers to differential and integral calculus.

http://www.linuxalt.com/ – The Linux Alternative Project. This site basically provides a table where one looks up a piece of Windows software whose functionality one wants to replace in a GNU/Linux environment.

Occasionally I find myself in need of useful information. You know what I mean; you read articles occasionally that contain bits of valuable information that, while not necessarily of immediate importance, you’d like to file away for the future. I’ve decided to file them away right here. This is the first installment of several — assuming I don’t get distracted.

http://blog.nutritiondata.com/ndblog/2008/12/resolution-resc.html – Resolution Rescue, a quick rundown of some healthful foods to satisfy cravings for less ideal snacks.

http://www.esquire.com/style/ESQ0107instruction – The Esquire guide to wearing scarves

http://www.tieknot.com – A very handy rundown of how to tie various knots in neckties

http://www.ehow.com/PrintArticle.html?id=15994 – How to tie a Double Windsor, the only knot that I like that tieknot.com left out.

http://www.home-ec101.com/retro-saturday-top-5-things-to-clean/ – Top 5 Things To Clean, a handy idea of the first five things to be cleaned in a home-mess emergency.