Category: Ruby 2021 Ruby - Mutex Mar 24 2021 2020 Excel Report May 13 2020 2019 Ruby - Unary Operator Mar 15 2019 Ruby - (&.) the Safe Navigation Operator Like Rails Try! Feb 15 2019 Ruby - New Features in Ruby 2.6 Feb 12 2019 Ruby - Super vs Super() Feb 04 2019 Ruby - A::B vs Module a; Class B Feb 04 2019 Ruby - Singleton Method vs Singleton Class vs Singleton Module Feb 04 2019 Ruby - Hash With Default Values Feb 04 2019 Ruby - Array With Default Value Feb 04 2019 Ruby - Regular Expressions Security Feb 04 2019 Ruby - &: And &method With To_proc Feb 04 2019 Ruby - Instance_eval vs Class_eval vs Module_eval Feb 04 2019 Ruby - %Q, %q, %W, %w, %r, %s, %I, %i Feb 04 2019 Ruby - Dry Your Code With Tap Feb 04 2019 Ruby - Precedence With Block( {} vs do..end ) and Operator( && vs and, || vs or ) Feb 04 2019 Ruby - Heredoc (<<, <<-, <<~) Feb 04 2019 Ruby - Attr_accessor vs Attr_writer vs Attr_reader Feb 04 2019 Ruby - Case When Feb 04 2019 Ruby - Alias vs Alias Method Feb 04 2019 Ruby - ||= (Or-equals) Mean? Feb 04 2019 Ruby - String vs Symbol Feb 04 2019 Ruby - == vs === vs Eql? Vs Equal? Feb 04 2019 Ruby - Extend vs Include (Mixin) Feb 04 2019 Ruby - Proc vs Lambda Feb 04 2019 Ruby - + vs Concat vs << Feb 04 2019 Ruby - Public Protected Private Feb 04 2019 2018 Instagram Crawler With API (Ruby 爬蟲) Nov 19 2018 Instagram Crawler With Selenium (Ruby 爬蟲) Nov 18 2018 Nothing Is Something by Sandi Metz Jul 26 2018 2016 Ruby - MultiIO Logger Oct 17 2016 Ruby - 理解 Custom Config Setting Oct 17 2016 Ruby - I/O 輸入輸出 (IO) Aug 30 2016 Ruby - ERB Template Aug 30 2016 Ruby - OptionParser Aug 30 2016 Make You Own Gem Aug 30 2016 Ruby on Rails 裝機趴 (Only Mac) Jul 22 2016 Ruby - Garbage Collection (GC) Jun 10 2016 Ruby - Class Macro (Ruby’s Declarative Style) Jun 09 2016 Ruby - Range Include? Vs Cover? Jun 09 2016 Ruby - Default Args || vs Fetch vs Merge May 29 2016 Ruby - Struct vs OpenStruct May 29 2016 Ruby - Forwardable 轉發 & Delegate 委派 May 29 2016 Ruby - Ruby 中的數字 & BigDecimal May 07 2016 Ruby - Method Missing Apr 19 2016 Ruby - Dynamic Classes & Methods Apr 19 2016 Ruby - Module vs Class Mar 26 2016 Ruby - 引數傳遞 Extract_options Mar 26 2016 Ruby - 用 Instance_eval & Class_eval 自己加 Method! Mar 08 2016 Ruby - 有什麼事，就 Ask Ruby 吧! Mar 08 2016 Ruby - Double Colon(::) Mar 08 2016 Ruby - Include vs Extend vs Require vs Load Feb 24 2016 Ruby - RVM and Gemsets 版本控制 Feb 15 2016 Ruby - 用 Marshal 來傳遞資料 Feb 07 2016 Ruby - 用 Ruby 做網頁爬蟲 Feb 07 2016 Ruby - 用 Ruby 來 Calling Shell Commands Feb 07 2016 Ruby - Block & Yield & Proc & Lambda & Method Feb 06 2016 Ruby - File ＆ Dir 檔案操作 Jan 31 2016 用 Rubocop 寫出好風格 (Ruby & Rails Style Guide) Jan 22 2016 Ruby on Rails - 好用的 Enumerable Jan 07 2016 2015 .nil? .empty? .blank? .present? 傻傻分不清楚？ Dec 16 2015