Download PDF by Sam Ruby, Dave Thomas, David Heinemeier Hansson: Agile Web Development with Rails (4th edition) Beta 12

Posted by

By Sam Ruby, Dave Thomas, David Heinemeier Hansson

ISBN-10: 1934356549

ISBN-13: 9781934356548

Ruby on Rails is helping you produce fine quality, beautiful-looking net purposes speedy. you consider developing the applying, and Rails looks after the main points. Tens of hundreds of thousands of builders have used this award-winning ebook to benefit Rails. it is a vast, far-reaching instructional and reference that is prompt via the Rails center crew. if you are new to Rails, you will get step by step counsel. if you are an skilled developer, this ebook provides you with the excellent, insider info you wish. Rails has advanced through the years, and this booklet has developed besides it. We nonetheless begin with a step by step walkthrough of creating a true software, and in-depth chapters examine the integrated Rails positive aspects. This version now offers new Ruby and Rails clients additional information at the Ruby language and takes extra time to give an explanation for key ideas all through. top practices on how you can observe Rails proceed to alter, and this version retains up. Examples use cookie subsidized classes, HTTP authentication, and energetic Record-based varieties, and the booklet focuses all through at the correct option to use Rails. also, this version now displays Ruby 1.9, a brand new free up of Ruby with big useful and function advancements.

Show description

Read Online or Download Agile Web Development with Rails (4th edition) Beta 12 version PDF

Best networking: internet books

Howard Block, Rob Castle, David Hritz's Creating Web Portals with BEA WebLogic PDF

Developing internet Portals with BEA WebLogic exhibits the start portal developer find out how to improve a portal program from begin to end, and provides the intermediate developer with confirmed thoughts and improvement strategies for developing an company portal. It additionally offers the complicated Java software server developer with an entire diversity of reference fabric.

Get The Official Patient's Sourcebook on Gastritis: A Revised PDF

This e-book has been created for sufferers who've determined to make schooling and examine an essential component of the remedy strategy. even though it additionally provides info worthy to medical professionals, caregivers and different wellbeing and fitness pros, it tells sufferers the place and the way to seem for info masking nearly all issues with regards to gastritis (also Acute gastritis; Erosive gastritis; Hemorrhagic gastritis; Reflux gastritis), from the necessities to the main complex parts of analysis.

Dieter Rucht, Mundo Yang, Ann Zimmermann's Politische Diskurse im Internet und in Zeitungen: Das PDF

Das net, so der empirische Befund anhand der öffentlichen deutschsprachigen Debatte zu Genfood, unterscheidet sich seiner diskursiven Qualität kaum von Tageszeitungen, sofern vom durchschnittlichen Nutzerverhalten ausgegangen wird. Die mit dem net verknüpften Hoffungen auf eine Demokratisierung und Rationalisierung politischer Streitfragen werden sich kaum erfüllen.

Additional info for Agile Web Development with Rails (4th edition) Beta 12 version

Sample text

2 Data Types While everything in Ruby is an object, some of the data types in Ruby have special syntax support, in particular for defining literal values. In these examples, we’ve used some simple strings and even string concatenation. Strings This previous example also showed some Ruby string objects. One way to create a string object is to use string literals, which are sequences of characters between single or double quotation marks. The difference between the two forms is the amount of processing Ruby does on the string while constructing the literal.

Objects are all about data and operations, and databases are all about sets of values. Operations that are easy to express in relational terms are sometimes difficult to code in an OO system. The reverse is also true. 1. SQL, referred to by some as Structured Query Language, is the language used to query and update relational databases. 0 printing, January 10, 2011) 54 R AILS M ODEL S UPPOR T Over time, folks have worked out ways of reconciling the relational and OO views of their corporate data.

With other, less expressive languages, programmers rely on IDEs to do much of the grunt work for them: IDEs do code generation, assist with navigation, and compile incrementally to give early warning of errors. With Ruby, however, much of this support just isn’t necessary. Editors such as TextMate and BBEdit give you 90 percent of what you’d get from an IDE but are far lighter weight. Just about the only useful IDE facility that’s missing is refactoring support. for and edit previous commands, and how to complete the names of files and commands as you type.

Download PDF sample

Agile Web Development with Rails (4th edition) Beta 12 version by Sam Ruby, Dave Thomas, David Heinemeier Hansson


by Christopher
4.3

Rated 4.65 of 5 – based on 5 votes