http://www.bbreak.co.jp/maeyes/column/column7.html dwh http://stackoverflow.com/questions/3419353/what-is-the-difference-between-a-database-and-a-data-warehouse bi http://dba.stackexchange.com/questions/6619/can-you-give-me-one-example-of-…

forward declaration for objective-c interfacesstackoverflow.com c++’s... class definition #import or class declaration @class

http://www.skyarch.net/blog/?p=1670

http://stackoverflow.com/questions/3907732/objective-c-method-signatures-are-they-inconsistent

even files are 'grouped' on xcode the 'grouped directory' is not created on project (any solution? (can sync?)) (below is one) Xcodeのグループとディレクトリ構成を同期させてくれるツール「Synx」 - tobioka.net - You Ain't Gonna Need It offici…