Swift - help info.

Appleデベロッパ向けリソース https://developer.apple.com/jp/resources/

iOS Dev Center *英語/ログイン必要 https://developer.apple.com/devcenter/ios/index.action

Appleデベロッパ登録 https://developer.apple.com/jp/programs/ios/

iOS DeveloperProgram https://developer.apple.com/jp/support/

Xcode - ダウンロード https://developer.apple.com/jp/xcode/downloads/

日本語ドキュメント https://developer.apple.com/jp/documentation/

Swift Blog https://developer.apple.com/swift/blog/

sample code from one book http://www.sotechsha.co.jp/sp/1070/