links for 2008-01-04

• TEXTBOOKS, LECTURE NOTES AND TUTORIALS IN MATHEMATICS
  (tags: math books mathematics education textbooks lists free ebooks **)
• Producing Open Source Software
  (tags: opensource programming ebooks software book toread ebook linux eBookCollection **)
• David Seah – Concrete Goals Tracker 2008 Updates
  (tags: gtd lifehacks goals planning business calendar todo **)
• Google AdSense Tips
  (tags: google adsense advertising tips ads business marketing money **)
• RockStarApps » How do you store a tree in a database table?
  (tags: database sql programming tree mysql howto performance algorithms **)
• Free Music Zilla: Free Pandora™, IMEEM™, Last.fm™, Myspace, eSnips™… Downloader – Download Pandora™, IMEEM™, Last.fm™, Myspace, eSnips™… Free!
  (tags: music download mp3 free tools freeware software radio **)
• DataPortability.org – Share and remix data using open standards
  (tags: standards openid microformats rss data oauth xfn xml **)
• 5 Marketing Tools Every Startup Should Use : Instigator Blog
  (tags: startup business marketing tips list **)
• LinuxHaxor.net | 68 Linux Related Free E-books
  (tags: linux ebooks books howto links free reference ebook **)
• Slashdot | GUI Design Book Recommendations?
  (tags: ui design books slashdot gui usability software webdesign **)
• Accounting Basics for a Freelancer – FreelanceSwitch – The Freelance Blog
  (tags: business accounting freelance finance money freelancing advice tips **)
• 7 Types of Blog Posts Which Always Seem to Get Links and Traffic
  (tags: blogging tips blog writing blogs list inspiration **)
• SitePoint Blogs » Stretchy Images with HTML and CSS
  (tags: css image images design webdesign tutorial graphics tips **)