Don't post in this thread

...because I'll be using this thread to post things on my mind, at the time of posting.

Total header size = Fixed header size + Avg rows * Size of entry
Free space /block = (|Block| - Total header size) * (100-PCTFREE)/100

Entropy is the amount of uncertainty of a random variable. It's the amount of uncertainty we have when we don't know the result of an outcome. Conversely, it's the amount of information we gain when we do learn the result of an outcome.
Formally, it's the expected value of the self-information of all of the outcomes of a random variable.
H(X) = E(I(X)) for all x in X

Ruby Phrasebook:
Converting between types
Working with strings
working with collections
working with objects
working with pipes
working with files
Manupulating text
Ruby one-liners
Processing XML
RAD and GUI toolkits
Simple CGI scripts/connecting to a DB
Working with networks
Working with threads
Documenting Ruby
Working with Ruby Packages

Basics of Compiler Construction:
Introduction
Lexical analysis
Syntax analysis
Symbol Tables
Intermediate code gen
Machine code gen
Register allocation
Function calls
Analysis and optimization
Bootstrapping a compiler

Shakespeare:
Comedy of Errors
Henry 6 Part 2
Henry 6 Part 3
Henry 6 Part 1
Richard III
Taming of the Shrew
Titus Andronicus
Romeo and Juliet
Two Gentlemen of Verona
Love's Labour's Lost
Richard II
Midsummer night's dream
King John
Merchant of Venice
Henry 4 Part 1
Henry 4 Part 2
Henry 5
Much ado about nothing
12th Night
As you like it
Julius Caeser
Hamlet
Merry Wives of Windsor
Troilus and Cressida
Alls well that ends well
Othello
Measure for measure
King Lear
Macbeth
Antony and Cleopatra
Corialanus
Timon of Athens
Pericles
Cymbelline
A Winter's Tale
Tempest
Henry 8