Web excursions: February 5 - February 7

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Links of interest from February 5 through February 7:

Reed-Kellogg Diagrammer
It’s SilverLight, and it’s butt ugly, but it’s so awesome. It automatically diagrams any sentence you give it, it with rollovers to tell you what each branch is. I’m having way more fun with it than I did when I was in grade school. Plus, my lexicon of dirty words is bigger, so the sentences are far more interesting.
readown - Project Hosting on Google Code
Just stumbled on this. It shows a preview of your Markdown file, and watches the file for changes. Whenever you save, it updates the rendered version. There are a few cocoa apps that give you live previews, but this is the only one I’ve found which gives you the freedom to edit in any app and get a preview every time you save. Neato. It doesn’t recognize .md files (only .markdown, .mkdn, .text and .txt) for whatever reason, but the source is available and you can fix that if you know your way around a plist.
Get Only the Posts You Want from Lifehacker’s Site Feeds
I knew this had to be possible, but it took a note from @SuratL to get me there.
Seth’s Blog: Pleasing
Seth Godin: “We can’t please everyone, in fact, we’re not even going to try.” Hat tip to @andrewbg.
LESS Elements: a collection of useful LESS mixins
I’ve used LESS on a few projects now, and it’s the bees knees. It’s the only CSS pre-processor that I’ve wanted to stick with so far. This set of mixins includes shortcuts for CSS3 properties such as drop-shadow and border-radius. You can cut your cross-browser CSS time down to nothing. Also check out LESS.app, if you haven’t yet.
Arduino Tutorial - Learn electronics and microcontrollers using Arduino!
I now have 2 books and a collection of links for that Arduino I’ve never gotten around to buying. “When I have some free time,” I keep saying…