Apple OS X Names and Versions

Apple likes to name their major revisions to OS X after cats — Tiger, Leopard, etc. Unfortunately many companies use the version number or the Codename interchangeably. It drives me nuts because I can never keep it straight. So, for those of us with memories like a steal sieve, here is a list to help you keep track.

Codename Release Release Date
Cheetah 10.0 March 2001
Puma 10.1 September 2001
Jaguar 10.2 August 2002
Panther 10.3 October 2003
Tiger 10.4 April 2005
Leopard 10.5 October 2007
Snow Leopard 10.6 August 2009
Lion 10.7 ?

Be the first to comment - What do you think?  Posted by EngineerGreg - February 11, 2011 at 1:21 am

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How to get a variable name as a string in PHP

The Problem: How to get a variable name as a string in PHP. The Short Answer: Convert the variable to an array with the variable name as the key then extract the key.

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Be the first to comment - What do you think?  Posted by EngineerGreg - February 3, 2011 at 3:10 am

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Improving OCR of Low Resolution Images

It happens all the time. A client finds something they want add to their project and sends along a screen shot or a scanned-for-the-web document to capture the text from. These are typically 72 DPI JPEG images, which we can read well, but are all but virtually useless for OCR as they are. We could just give up and re-type the text but a few minutes of preparation can give you improved OCR accuracy.

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7 comments - What do you think?  Posted by EngineerGreg - July 12, 2010 at 10:55 pm

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Comment Rules Posted

I’ve added a page showing the rules for posting comments on this blog. Basically:

  • you have to register
  • your first couple of comments are moderated
  • profanity gets edited
  • hate-speech gets deleted
  • SPAM gets deleted

The details are on the Comment Rules Page.

1 comment - What do you think?  Posted by EngineerGreg - July 8, 2010 at 6:25 am

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Adding a Home Page Link to the List of Pages in WordPress

How to add a link to your blog's home page, or any arbitrary page for that matter, to the list of pages generated by WordPress. Typically this would be so a link to the home (or other) page appears in the header of the blog's pages.

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Be the first to comment - What do you think?  Posted by EngineerGreg - July 4, 2010 at 7:35 am

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