Akshat Paul is a programmer and is working as a lead developer at a Management Consulting firm. He has extensive experience of mobile application development and has delivered many enterprise and consumer applications. In other avatars, Akshat frequently speaks and evangelizes at conferences and meetup groups on various technologies; this way he plays his part in giving back to the community. He has given talks at RubyConfIndia and #inspect-RubyMotion Conference. He also has a strong belief in Agile methodologies for creating world-class software, and is a Certified Scrum Master (CSM). Peter Philips has been a Ruby on Rails developer since 2006. Since then he has evolved into a systems architect, CTO, and entrepreneur co-founding a silicon valley design agency called PlanetIO and the enterprise employee recognition platform, RecognizeApp. His specialty is systems architecture and clean, scalable design patterns for the enterprise. Peter is passionate about using technology to help the world and has also founded the organization, TechForProgress, to report on how technology can be used to this end. Peter is an avid rock climber and also an amateur electronics engineer prototyping all kinds of projects from led origami flowers to wireless speakers. Daniel Erno Szabo is a 28-year-old IT geek. He is currently working as a DevOps engineer for an American company in Hungary. His main profile is automation and custom solutions based on different languages covering Windows and Linux. His favorite language is Python, but he is also fluent in Ruby, PowerShell, and C#. He loves learning, teaching, and sharing his knowledge with other people. In his free time, he is a YouTuber and a ferret owner. Cheyne Wallace is a full stack developer with over a decade of industry experience. He is currently working with Ruby, Rails, GoLang, JavaScript, AngularJS, D3JS, SASS, AWS EC2/RDS, Heroku, Ubuntu, Postgres, API design and cloud service architecture. Previously a Microsoft developer working with C#, PowerShell, SSIS and ASP MVC for the enterprise world, he worked in the financial services and banking sectors around Sydney and London for many years until eventually jumping ship and joining a startup in 2012. He is the creator of the encrypted note application NoteShred, the photography analytics web app The Lightroom Dashboard, and has been written about in VentureBeat and The Next Web. Jagdish Narayandasani has more than 14 years of experience in software development and almost a decade of experience in working on Ruby on Rails. He is currently working as a technology specialist with a New York-based Fintech firm. He often contributes as a technical reviewer for technical books. He has worked on a variety of technologies, such as Java, Ruby, Elixir, and the AWS cloud for different companies. He has worked in various industries, such as finance, retail, healthcare, and wealth management. At the moment, he is trying his hand at blockchain technology. In his free time, he loves to spend time with his family and cook delicious dishes for them.Contacted for Ruby on October 7, 2019 by Sneha Shinde

• Table of ContentsWriting and Running Ruby ProgramsRuby Data Types and OperationsProgram FlowRuby MethodsObject-Oriented Programming with RubyModules and MixinsIntroduction to Ruby GemsDebugging with RubyRuby Beyond the Basics IRuby Beyond the Basics IIIntroduction to Ruby on Rails IIntroduction to Ruby on Rails II

Akshat Paul is a programmer and is working as a lead developer at a Management Consulting firm. He has extensive experience of mobile application development and has delivered many enterprise and consumer applications. In other avatars, Akshat frequently speaks and evangelizes at conferences and meetup groups on various technologies; this way he plays his part in giving back to the community. He has given talks at RubyConfIndia and #inspect-RubyMotion Conference. He also has a strong belief in Agile methodologies for creating world-class software, and is a Certified Scrum Master (CSM). Peter Philips has been a Ruby on Rails developer since 2006. Since then he has evolved into a systems architect, CTO, and entrepreneur co-founding a silicon valley design agency called PlanetIO and the enterprise employee recognition platform, RecognizeApp. His specialty is systems architecture and clean, scalable design patterns for the enterprise. Peter is passionate about using technology to help the world and has also founded the organization, TechForProgress, to report on how technology can be used to this end. Peter is an avid rock climber and also an amateur electronics engineer prototyping all kinds of projects from led origami flowers to wireless speakers. Daniel Erno Szabo is a 28-year-old IT geek. He is currently working as a DevOps engineer for an American company in Hungary. His main profile is automation and custom solutions based on different languages covering Windows and Linux. His favorite language is Python, but he is also fluent in Ruby, PowerShell, and C#. He loves learning, teaching, and sharing his knowledge with other people. In his free time, he is a YouTuber and a ferret owner. Cheyne Wallace is a full stack developer with over a decade of industry experience. He is currently working with Ruby, Rails, GoLang, JavaScript, AngularJS, D3JS, SASS, AWS EC2/RDS, Heroku, Ubuntu, Postgres, API design and cloud service architecture. Previously a Microsoft developer working with C#, PowerShell, SSIS and ASP MVC for the enterprise world, he worked in the financial services and banking sectors around Sydney and London for many years until eventually jumping ship and joining a startup in 2012. He is the creator of the encrypted note application NoteShred, the photography analytics web app The Lightroom Dashboard, and has been written about in VentureBeat and The Next Web. Jagdish Narayandasani has more than 14 years of experience in software development and almost a decade of experience in working on Ruby on Rails. He is currently working as a technology specialist with a New York-based Fintech firm. He often contributes as a technical reviewer for technical books. He has worked on a variety of technologies, such as Java, Ruby, Elixir, and the AWS cloud for different companies. He has worked in various industries, such as finance, retail, healthcare, and wealth management. At the moment, he is trying his hand at blockchain technology. In his free time, he loves to spend time with his family and cook delicious dishes for them.Contacted for Ruby on October 7, 2019 by Sneha Shinde

• Table of ContentsWriting and Running Ruby ProgramsRuby Data Types and OperationsProgram FlowRuby MethodsObject-Oriented Programming with RubyModules and MixinsIntroduction to Ruby GemsDebugging with RubyRuby Beyond the Basics IRuby Beyond the Basics IIIntroduction to Ruby on Rails IIntroduction to Ruby on Rails II