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商品描述
Updated for Ruby 2.2, this handy reference offers brief yet clear explanations of Ruby’s core elements—from operators to blocks to documentation creation—and highlights the key features you may work with every day. Need to know the correct syntax for a conditional? Forgot the name of that String method? This book is organized to help you find the facts fast.
Ruby Pocket Reference, 2nd Edition is ideal for experienced programmers who are new to Ruby. Whether you’ve come to Ruby because of Rails, or you want to take advantage of this clean, powerful, and expressive language for other applications, this reference will help you easily pinpoint the information you need.
You’ll find detailed reference material for:
- Keywords, operators, comments, numbers, and symbols
- Variables, pre-defined global variables, and regular expressions
- Conditional statements, method use, classes, and exception handling
- Methods for the BasicObject, Object, Kernel, String, Array, and Hash classes
- Time formatting directives
- New syntax since Ruby 1.9
商品描述(中文翻譯)
更新至 Ruby 2.2，本書提供了 Ruby 核心元素的簡明而清晰的解釋——從運算子到區塊再到文件創建——並突顯了您可能每天使用的關鍵特性。需要知道條件語句的正確語法嗎？忘記了那個 String 方法的名稱？本書的組織方式旨在幫助您快速找到所需的資訊。
《Ruby Pocket Reference, 2nd Edition》非常適合對 Ruby 新手的經驗豐富的程式設計師。無論您是因為 Rails 而接觸 Ruby，還是想利用這種乾淨、強大且表達力豐富的語言來進行其他應用，本參考書將幫助您輕鬆找到所需的資訊。
您將找到以下詳細的參考資料：
- 關鍵字、運算子、註解、數字和符號
- 變數、預定義全域變數和正則表達式
- 條件語句、方法使用、類別和例外處理
- BasicObject、Object、Kernel、String、Array 和 Hash 類別的方法
- 時間格式指令
- 自 Ruby 1.9 以來的新語法
