The Ruby Essentials book is currently under development and is scheduled for completion at the end of November 2007.
 
The Ruby Essentials book is currently under development and is scheduled for completion at the end of November 2007.
   Exception encountered, of type "Error"
[560e4cee] /index.php?title=Ruby_Essentials&diff=3922&oldid=3921 Error from line 434 of /home/techotopia/includes/diff/DairikiDiff.php: Call to undefined function each()
Backtrace:
#0 /home/techotopia/includes/diff/DairikiDiff.php(544): DiffEngine->diag()
#1 /home/techotopia/includes/diff/DairikiDiff.php(344): DiffEngine->compareSeq()
#2 /home/techotopia/includes/diff/DairikiDiff.php(227): DiffEngine->diffLocal()
#3 /home/techotopia/includes/diff/DairikiDiff.php(721): DiffEngine->diff()
#4 /home/techotopia/includes/diff/DairikiDiff.php(859): Diff->__construct()
#5 /home/techotopia/includes/diff/DairikiDiff.php(980): MappedDiff->__construct()
#6 /home/techotopia/includes/diff/TableDiffFormatter.php(194): WordLevelDiff->__construct()
#7 /home/techotopia/includes/diff/DiffFormatter.php(140): TableDiffFormatter->changed()
#8 /home/techotopia/includes/diff/DiffFormatter.php(82): DiffFormatter->block()
#9 /home/techotopia/includes/diff/DifferenceEngine.php(881): DiffFormatter->format()
#10 /home/techotopia/includes/diff/DifferenceEngine.php(797): DifferenceEngine->generateTextDiffBody()
#11 /home/techotopia/includes/diff/DifferenceEngine.php(728): DifferenceEngine->generateContentDiffBody()
#12 /home/techotopia/includes/diff/DifferenceEngine.php(662): DifferenceEngine->getDiffBody()
#13 /home/techotopia/includes/diff/DifferenceEngine.php(632): DifferenceEngine->getDiff()
#14 /home/techotopia/includes/diff/DifferenceEngine.php(453): DifferenceEngine->showDiff()
#15 /home/techotopia/includes/page/Article.php(797): DifferenceEngine->showDiffPage()
#16 /home/techotopia/includes/page/Article.php(508): Article->showDiffPage()
#17 /home/techotopia/includes/actions/ViewAction.php(44): Article->view()
#18 /home/techotopia/includes/MediaWiki.php(490): ViewAction->show()
#19 /home/techotopia/includes/MediaWiki.php(287): MediaWiki->performAction()
#20 /home/techotopia/includes/MediaWiki.php(714): MediaWiki->performRequest()
#21 /home/techotopia/includes/MediaWiki.php(508): MediaWiki->main()
#22 /home/techotopia/index.php(41): MediaWiki->run()
#23 {main}