This article should acquaint you with basic Arduino programming and show you how to write programs that interact with objects in the real world.

One of my New Year's Resolutions for 2012 is to move away from depending on Google services for my business. Last year's Gmail redesign, and the pseudonym battles have convinced me that Google is not quite the right home for services I depend on professionally.

here’s everything you need to know about Facebook Timeline.

Vimeo Video School is a fun place for anyone to learn how to make better videos. Start by browsing our Vimeo Lessons, or find specific video tutorials created by other members.

here are five things you can do to lock down your server and make ssh more secure…

Although Timeline is not available to the public yet, we found a way in and tested it. Here's how to make the most of Facebook's new feature.

We've just published a new video that introduces the concepts behind Pivotal Tracker. It talks about the agile process that works best with Tracker, including story breakdown and estimation, prioritization, and workflow. If you're new to Tracker, or would like to make sure you're getting the most of out of the tool, this should be 8 minutes well spent!

Lion Server is an app and collection of services that can be added to OS X Lion. If you have installed Lion Server but decide that you no longer want to use it, you can disable it by following these instructions.

Welcome to learnpython.org's interactive Python tutorial. Whether you are an experienced programmer or not, this website is intended for everyone who wishes to learn the Python programming language.

This page provides links to documents, how-tos, cheat sheets, tips, and tricks related to learning and using git.

This is my website, ladyada.net. I started it as a 1st year grad student in college, when my advisor required all of the students to have a webpage with their work. It used to live at www.media.mit.edu/~ladyada and there is still an incomplete mirror there. It doesn't work, though and I only recommend it if ladyada.net is down (which should not be happening much anymore).

Most of the stuff on this site is related to the electronic toys, gadgets and art that I've worked on since 2003.

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Defines descriptors, summarizes the protocol, and shows how descriptors are called. Examines a custom descriptor and several built-in python descriptors including functions, properties, static methods, and class methods. Shows how each works by giving a pure Python equivalent and a sample application.

after going through all the apps I could find, I discovered that Things.app is the GTD app I really like best

Free Manuals for Free Software

If you've never programmed before, the tutorials on this page are recommended for you; they don't assume that you have previous experience.

Written in Python, for General- and Special-Purpose Use

Docutils is an open-source text processing system for processing plaintext documentation into useful formats, such as HTML or LaTeX. It includes reStructuredText, the easy to read, easy to use, what-you-see-is-what-you-get plaintext markup language.

Installing Distributions from the Package Index (Start Here)

To install distributions from the Package Index (PyPI) (aka, the "Cheeseshop") into your Python, you have several choices of tools for installation:

How To Redirect A Web Page, The Smart Way

Considering how useful it could be to transform the XHTML based web to another format or to use XHTML as an XML data store, it is surprisingly tricky to transform XHTML. Most XSLT developers need to be told the secrets of XHTML transformation in order to do it.

ScreenCastsOnline is a weekly video podcast of computer based video tutorials. The video tutorials cover many different topics from week to week but predominantly cover mac related subjects together with the latest web based services, so there are plenty of shows for both mac and windows users

FLOSS Manuals is a collection of manuals about free and open source software together with the tools used to create them and the community that uses those tools. They include authors, editors, artists, software developers, activists, and many others. There are manuals that explain how to install and use a range of free and open source softwares, about how to do things (like design) with open source software, and manuals about free culture services that use or support free software and formats.

iFixit is the free repair manual that you can edit.

Learn how to set up Time Machine to perform backups, how to restore items (or your entire system) from a backup, how to use existing backups on a new Mac, and more.

Products Affected
Time Machine, Mac OS X 10.6, Mac OS X 10.5, Time Capsule

Let’s get into using some Git. First things first—you have to install it. You can get it a number of ways; the two major ones are to install it from source or to install an existing package for your platform.

This collection is a presentation of several small Python programs. They are aimed at intermediate programmers; people who have studied Python and are fairly comfortable with basic recursion and object oriented techniques. Each program is very short, never more than a couple of pages and accompanied with a write-up.

New: v5! Edit PDFs easily with PDFpen! Add text, images and signatures. Make corrections. Fill out PDF forms. OCR scanned documents.

Git is a distributed version control system. No, you don't need to know what that means to use this guide. Think of it as a time machine: Subversion or CVS without the cruft.
If you make a lot of changes, but decided you made a mistake, this will save your butt.
This guide is for people who want to jump to any point in time with their project/game/whatever, and want something to use for themselves.

You may not know a company called [x+1] Inc., but it may well know a lot about you.

Almost every major website you visit is tracking your online activity. Here's a step-by-step guide to fending off trackers

The goal of this tutorial is to get you up and running with PGP through terminal and familiar with its operation.

Using email encryption is one way to protect the privacy of your electronic correspondence. For a brief history and explanation of how they work:PGP and GnuPG.

A pulse is the beat you can feel against the wall of an artery when your heart beats. The pulse is the same as the heart rate. The normal adult pulse is 60 to 100 beats a minute.

There are two sides to every story, but this email exchange between Mahalo founder and CEO Jason Calacanis and one of his (now former) employees is a lesson in how not to handle a resignation.

This book provides detailed information on installing, using, and administering Ubuntu. You will learn how to set up a workstation or a server, and you will find complete details on Ubuntu’s easy-to-use desktop and productivity software.

Want to set up your own online store instead of dealing with eBay? There's an easy way to get started that uses PayPal as a credit card processor, allowing you put together a simple store without major monthly commitments. Ars shows you how

How to Podcast - "The definitive step-by-step guide on how to podcast
without breaking the bank."

This is the home of the free podcast tutorial that will take
your podcast from concept to launch fast and for minimal cost
brought to you by, Jason Van Orden, author of Promoting Your Podcast."