I recently wrote a post about how to query hierarchical data without recursion in PostgreSQL. Now it is time to talk about how to do it with recursion. 😎 CTEs (Common Table Expressions), AKA WITH Read more…

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If you are annoyed by the fact that you can no longer control the volume of native videos in Google Chrome you are not alone. Originally Chrome allowed you to control the volume of videos: Read more…

## 2 Comments

## ildar · May 7, 2012 at 11:20 AM

Ha-ha-ha! Correct but not obvious equation.

Just consider 1 as 3 * (1/3) where 1/3 is 0.333… or 0.(3). The next step is reverse one: 0.333… * 3 = 0.999… or 0.(9). That is 1.

There are more than one proof. I shown the simplest.

## POW Answer – 0.999999 Repeating Equals One? | Chris West's Blog · May 14, 2012 at 3:30 PM

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