April 11, 2011
Comments Off on Facebook advertising prices (part 1)
I’ve been reading a lot about Facebook advertising lately, but I wanted some hard numbers to back that up. For your basic untargeted ad in the United States, Facebook suggests that you spend $1.04 to $1.45 per click, that seems … Continue reading
October 27, 2004
Comments Off on How good is Rand() in PHP?
Not Good: I needed an image of random noise (to demonstrate that it had a [http://en.wikipedia.org/wiki/Box-counting_dimension](box-counting dimension) of 3). So I wrote the following script to throw one together, but it doesn’t look random enough. $img = imageCreateTrueColor(512, 512); for … Continue reading