Posts tagged ruby

Ubuntu Linux 8.04 – Wake on LAN

:: linux, network, ruby, sysadmin, utility

Now that I’ve switched to a Macbook Pro with OSX Leopard as my primary desktop, I’ve located my Ubuntu machine in another part of the house to be accessible to my children. Not wanting to walk to the room where it’s located just to flip the power switch, I researched how to get “wake on LAN” working, so I could power it up remotely.

Solving Anagrams in Ruby

:: programming, puzzle, ruby

Someone posted a question on comp.lang.ruby recently asking for help with solving anagrams. The poster originally asked about ways of generating permutations and several people pointed him to the facets library which has some permutation utility functions. As it turns out, I benchmarked the following naive permutation generator as 3 times faster than the facets library code:

Logo, Ruby & JavaScript

:: programming, haskell, javascript, lisp, logo, python, ruby, scheme

I’ve been teaching my eldest daughter to program in Logo over the summer. Brian Harvey has posted PDF files for a set of excellent books on learning to program in Logo on his web site. The Berkeley version of Logo he’s produced is really excellent. It’s not just your typical turtle graphics language; it has arrays, macros, file processing, graphics, etc.