Download Agile Web Development with Rails 3.1 (Pragmatic Programmers) by Sam Ruby, Dave Thomas, David Heinemeier Hansson PDF
By Sam Ruby, Dave Thomas, David Heinemeier Hansson
Ruby on Rails is helping you produce fine quality, beautiful-looking net purposes quick. you consider developing the appliance, and Rails looks after the main points. Tens of millions of builders have used this award-winning booklet to profit Rails. it is a vast, far-reaching instructional and reference that is urged by means of the Rails center group. in case you are new to Rails, you will get step by step suggestions. in case you are an skilled developer, this booklet provides you with the great, insider details you would like. Rails has advanced through the years, and this booklet has advanced in addition to it. We nonetheless commence with a step by step walkthrough of establishing a true program, and in-depth chapters examine the integrated Rails positive factors. 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 recommendations all through. top practices on find out how to follow Rails proceed to alter, and this version retains up. Examples use cookie subsidized periods, HTTP authentication, and lively Record-based types, and the e-book focuses all through at the correct technique to use Rails. also, this version now displays Ruby 1.9, a brand new unlock of Ruby with big useful and function advancements.
Read or Download Agile Web Development with Rails 3.1 (Pragmatic Programmers) PDF
Best development books
A professional at the constructing global reflects—with optimism—on the previous fifty years of reduction interventions.
As the source of revenue hole among built and constructing countries grows, so grows the cacophony of voices claiming that the hunt to discover an easy recipe for monetary progress has failed. recuperating, in sharp distinction, experiences the good news approximately worldwide development. Economist Charles Kenny argues opposed to improvement naysayers by way of pointing to the facts of frequent advancements in healthiness, schooling, peace, liberty--and even happiness. Kenny exhibits how the unfold of inexpensive applied sciences, similar to vaccines and mattress nets, and ideas, equivalent to political rights, has reworked the realm. He additionally exhibits that through knowing this alteration, we will be able to make the area an excellent larger position to live.
That's to not say that existence is grand for everybody, or that we don't have some distance to move. yet advancements have unfold a long way, and, in response to Kenny, they could unfold even further.
Ruby on Rails is helping you produce high quality, beautiful-looking net purposes quick. you think about growing the applying, and Rails looks after the main points. Tens of millions of builders have used this award-winning booklet to benefit Rails. it is a huge, far-reaching instructional and reference that is steered by way of the Rails center workforce.
The first goal of this booklet is to deliver to the eye of contributors of the clinical and clinical groups, in addition to to different individuals, a brand new and increasing sector of research that includes using chemical substances for the prevention of tumor induction and improvement. This novel use of chemical substances has succeeded in generating a striking sequence of discoveries in recent times.
This publication offers an account of developmental language impairment from the point of view of language evolution. parts of language acquisition and particular language impairments will be mapped to levels within the evolutionary trajectory of language. Lian argues that the training of procedural abilities by way of early ancestors has served as pre-adaptation of grammar.
- XNA 3 1 Game Development for Teens
- Brain Plasticity: Development and Aging
- More iPhone Cool Projects: Cool Developers Reveal the Details of Their Cooler Apps and Discuss Their iPad Development Experiences
- Development of Reliability Techniques to Nuclear Plants (csni75-3)
Extra resources for Agile Web Development with Rails 3.1 (Pragmatic Programmers)
We simply have an empty action method named hello. To understand why this method is named this way, we need to look at the way Rails handles requests. Rails and Request URLs Like any other web application, a Rails application appears to its users to be associated with a URL. When you point your browser at that URL, you are talking to the application code, which generates a response to you. Let’s try it now. Navigate to the URL http://localhost:3000/say/hello in a browser window. ) You’ll see something that looks like Figure 2, Template ready for us to fill in.
So, this book would not exist without a massive amount of help from the Ruby and Rails communities. To start with, we had a number of incredibly helpful formal reviewers of drafts of this book: Jeremy Anderson, Ken Coar, Jeff Cohen, Joel Clermont, Geoff Drake, Pavan Gorakavi, Michael Jurewitz, Mikel Lindsaar, Paul Rayner, Martijn Reuvers, Doug Rhoten, Gary Sherman, Davanum Srinivas, Stefan Turalski, and José Valim Additionally, each edition of this book has been released as a beta book: early versions were posted as PDFs, and people made comments online.
You’ll see something that looks like Figure 2, Template ready for us to fill in. Figure 2. Template ready for us to fill in Our First Action At this point, we can see not only that have we connected the URL to our controller but also that Rails is pointing the way to our next step, namely, to tell Rails what to display. That’s where views come in. Remember when we ran the script to create the new controller? That command added six files and a new directory to our application. That directory contains the template files for the controller’s views.