sam keen's corner of the web

Monthly Archives: January, 2010

Some Experiments with Canvas Drag and Drop

I’ve been toying around with canvas tag and learning the ins and outs of Drag and Drop
I created a little proof of concept app that allows you to add markers to an image.  The meta about the markers (relative location, marker symbol, desc, color, etc) are stored in a DB on another server using JSONP [...]

ipad: My impressions

Sexy little (well medium i guess) device. As a software developer though I cannot see it replacing my laptop (currently a msi u123). I don’t see writing code on a ipad.
Also, it would not be replacing my phone. I guess we will be able to use skype (or skype-like services) on the [...]

vnstat : excellent networking tool

I recently found myself considering moving one of our servers to the Rackspace Cloud. I needed to get an estimate of the cost for bandwidth usage.
I remembered I had installed vnstat on that server when it was deployed.  This made the bandwidth calculation completely simple:
Just have vnstat give me the bandwidth sliced by Month:
$ [...]