Ruby

Installing Ruby 1.9.2 and Rails 3 stable on Ubuntu / Neurons to bytes. WB@Rails4. Any application that can be written in JavaScript, will eventually be written in JavaScript. Atwood’s Law (2007) World Wide Web – zobacz jak wyglądała pierwsza strona WWWPierwsze aplikacje WWW – CGI ↬ PHP (≈ 2000 r.)Comparison of web application frameworksRuby on Rails: Potrzebne nam gemy wyszukujemy na The Ruby Toolbox.RSpec – a testing tool for the Ruby programming language; RSpec RailsPolskie forum Ruby on RailsRails Rumble; check winnersWho is already on Rails? : GitHub – ok. 4 mln programistówTwitter – „hits half a billion tweets a day” (26.10.2012)Nitrous.io – coding on remote boxesDave Kennedy, Give Vagrant a Place in Your WorkflowDocker – an open source project to pack, ship and run any application as a lightweight container Praktyczne rzeczy… Nie znasz języka Ruby – zacznij od Try Ruby!

Nigdy nie używałeś frameworka MVC. Aplikacje WWW będziemy pisać w Ruby on Rails w wersji 4.0.3 i w Ruby w wersji 2.1.0. Różne rzeczy: Laboratoria Zadania Zaczynamy od Rails Guides: Użyteczne linki. Beginning Ruby. Ruby is perhaps best known as the engine powering the hugely popular Ruby on Rails web framework. However, it is an extremely powerful and versatile programming language in its own right. It focuses on simplicity and offers a fully object-oriented environment. Beginning Ruby is a thoroughly contemporary guide for every type of reader who wants to learn Ruby, from novice programmers to web developers to Ruby newcomers.

It starts by explaining the principles behind object-oriented programming and within a few chapters builds toward creating a genuine Ruby application. The book then explains key Ruby principles, such as classes and objects, projects, modules, and libraries, and other aspects of Ruby such as database access. In addition, Ruby on Rails is covered in depth, and the books appendixes provide essential reference information as well as a primer for experienced programmers. What you’ll learn Understand the basics of Ruby and object-oriented building blocks. Who this book is for. Code School - TryRuby. Ruby on Rails Tutorial: Learn Rails by Example | Ruby on Rails 3 Tutorial book and screencasts | by Michael Hartl. Michael Hartl Contents Foreword My former company (CD Baby) was one of the first to loudly switch to Ruby on Rails, and then even more loudly switch back to PHP (Google me to read about the drama).

This book by Michael Hartl came so highly recommended that I had to try it, and the Ruby on Rails Tutorial is what I used to switch back to Rails again. Though I’ve worked my way through many Rails books, this is the one that finally made me “get” it. The linear narrative is such a great format. Enjoy! Derek Sivers (sivers.org) Founder, CD Baby Acknowledgments The Ruby on Rails Tutorial owes a lot to my previous Rails book, RailsSpace, and hence to my coauthor Aurelius Prochazka.

I’d like to acknowledge a long list of Rubyists who have taught and inspired me over the years: David Heinemeier Hansson, Yehuda Katz, Carl Lerche, Jeremy Kemper, Xavier Noria, Ryan Bates, Geoffrey Grosenbach, Peter Cooper, Matt Aimonetti, Gregg Pollack, Wayne E. About the author Copyright and license 1.1 Introduction. 19 Rails Tricks Most Rails Coders Don’t Know.

New to Rails 3? Check out the Ruby on Rails 3 Tutorial book and screencast. A book and screencast series showing you how to develop and deploy industrial-strength Rails apps in a direct, step by step way. The screencast series includes 12 lessons over more than 15 hours! Get the best "over the shoulder" experience of following what a top Rails 3 developer does when building an app today. Click here to learn more. Please note that this post is over four years old - it's from 2006! As such, these tips were relevant to Rails 1.2 and this content is woefully out of date. When looking at my own Rails code and that of the community as a whole, I often see places where certain Rails techniques could have been used, but weren't. Benchmark logic in your controller actions - It's really easy. User.benchmark("adding and deleting 1000 users") do 1000.times do User.create(:name => 'something') x = User.find_by_name('something') x.destroy endend You can learn a little more here.

74 Quality Ruby on Rails Resources and Tutorials. Learning Rails from scratch can be a pain. But don't fret, this guide provides the best Rails resources the Web has to offer. Ruby on Rails is quickly becoming one of the most popular modern programming language framework combinations. Specifically, Ruby is a programming language that has been around for a few years and Rails is a framework for Ruby that is a bit newer and is just about the hottest thing in application and web development right now.

Rails' seamless integration into web servers and databases and its elegant framework make it the ideal candidate for every programmer wishing to develop the latest and greatest web application. However, as is the case with any language or framework, learning Rails from scratch can be quite a pain. Related Articles: Fortunately for you, we've compiled a list of the best Rails resources the Web has to offer. Installation Manual Installation If you're interested in getting Rails to work on your own, you'll need to follow the following steps: Books. Ruby Regular Expressions.

A regular expression is a special sequence of characters that helps you match or find other strings or sets of strings using a specialized syntax held in a pattern. A regular expression literal is a pattern between slashes or between arbitrary delimiters followed by %r as follows: Syntax: /pattern//pattern/im # option can be specified%r! /usr/local! Example: #! This will produce the following result: Line1 contains Cats Regular-expression modifiers: Regular expression literals may include an optional modifier to control various aspects of matching. Like string literals delimited with %Q, Ruby allows you to begin your regular expressions with %r followed by a delimiter of your choice.

. # Following matches a single slash character, no escape required%r|/| # Flag characters are allowed with this syntax, too%r[</(.*)>]i Regular-expression patterns: Except for control characters, (+ ? Following table lists the regular expression syntax that is available in Ruby. Regular-expression Examples: Alternatives: 21 Ruby Tricks You Should Be Using In Your Own Code. Writing for Ruby Inside, I get to see a lot of Ruby code. Most is good, but sometimes we forget some of Ruby's shortcuts and tricks and reinvent the wheel instead. In this post I present 21 different Ruby "tricks," from those that most experienced developers use every day to the more obscure.

Whatever your level, a refresh may help you the next time you encounter certain coding scenarios. Note to beginners: If you're still learning Ruby, check out my Beginning Ruby book. 2009 Update: This post was written in early 2008 and looking back on it, there are a couple of tricks that I wouldn't recommend anymore - or to which extra warnings need to be added. I've added paragraphs like this where necessary. 1 - Extract regular expression matches quickly A typical way to extract data from text using a regular expression is to use the match method. Email = "Fred Bloggs <fred@bloggs.com>"email.match(/<(.*?)

Ultimately, using the String#[] approach is cleaner though it might seem more "magic" to you. Rubular: a Ruby regular expression editor and tester. Ruby on Rails - Doc. Rails Searchable API Doc. AJAX on Rails 2.1 Tutorial. Advertisements Ajax stands for Asynchronous JavaScript and XML.

Ajax is not a single technology; it is a suite of several technologies. Ajax incorporates the following: XHTML for the markup of web pagesCSS for the stylingDynamic display and interaction using the DOMData manipulation and interchange using XMLData retrieval using XMLHttpRequestJavaScript as the glue that meshes all this together Ajax enables you to retrieve data for a web page without having to refresh the contents of the entire page. When you interact with an Ajax-powered web page, it loads an Ajax engine in the background. For a complete detail on AJAX you can go through our AJAX Tutorial Rails has a simple, consistent model for how it implements Ajax operations. Here is a typical sequence of activities: While discussing rest of the Rails concepts, we have taken an example of Library.

In this example we will provide, list, show and create operations on subject table. This is bit new here. We will action see it in a moment. Ruby Regular Expressions. Ruby. Z Wikibooks, biblioteki wolnych podręczników. Ruby to interpretowany, w pełni obiektowy język programowania stworzony przez Yukihiro Matsumoto (pseudonim Matz). W języku angielskim ruby oznacza rubin. Od roku 2003 lawinowo zdobywa nowych zwolenników, głównie za sprawą popularnego frameworku do tworzenia aplikacji webowych o nazwie Ruby on Rails, tworzonego przez grupę programistów pod kierownictwem Davida Heinemeiera Hanssona. W roku 2005 według statystyk sklepu Amazon dwie najpopularniejsze książki na temat Rubiego i Ruby on Rails były najlepiej sprzedawanymi pozycjami z kategorii Programowanie. Punktem wyjścia dla niniejszego podręcznika stała się książka Marka Slagella "Ruby's User Guide" udostępniona na licencji GNU Free Documentation License.

Spis treści[edytuj] Podstawy[edytuj] Programowanie zorientowane obiektowo[edytuj] Licencja[edytuj] Licencja Zobacz też[edytuj] Linki zewnętrzne[edytuj] Rubular: a Ruby regular expression editor and tester. Język programowania Ruby. Ruby Basic Tutorial. Troubleshooters.Com, Code Corner and Ruby Revival Present Ruby Basic Tutorial Copyright (C) 2005 by Steve Litt Note: All materials in Ruby Revival are provided AS IS. By reading the materials in Ruby Revival you are agreeing to assume all risks involved in the use of the materials, and you are agreeing to absolve the authors, owners, and anyone else involved with Python Patrol of any responsibility for the outcome of any use of these materials, even in the case of errors and/or omissions in the materials.

If you do not agree to this, you must not read these materials. To the 99.9% of you honest readers who take responsibility for your own actions, I'm truly sorry it is necessary to subject all readers to the above disclaimer. CONTENTS This is a Ruby tutorial for one not knowing Ruby. Therefore, we use many constructs and styles that, while familiar to programmers and intuitive to beginners, are not optimal for Ruby.

This is the simplest possible Ruby program, hello.rb. While Loops Retry x x. Rubedo -- alchemy_of :ruby, :rails. Jarosław Rzeszótko. Ruby on Rails Guides.