ruby on rails tutorial learn rails by example pdf download

... Perl control structures 3.1 Conditionals For testing conditionals within Perl if it is used. To better illustrates, see the following example: #!/usr/bin/perl -w $var1 = 100; 7 Learn Perl by Example ... s/This is/Test/) { print ("$exp\n"); } 7 About Tutorial This tutorial was provided by http://www.freebsdonline.com 15 Learn Perl by Example - Perl Handbook for Beginners - Basics of Perl ... beginning of array; 5 Learn Perl by Example - Perl Handbook for Beginners - Basics of Perl Scripting Language 6 Perl Regular Expressions Perl Regular Expressions are a strong point of perl. You...

Ngày tải lên: 29/04/2014, 14:45

... Deploy Welcome to Ruby on Rails ™ Tutorial. The goal of this book is to be the best answer to the question, ‘‘If I want to learn web development with Ruby on Rails, where should I start?’’ By the time ... depending on your background. All readers: One common question when learning Rails is whether to learn Ruby first. The answer depends on your personal learning style and how much programming experience ... style favored by Rails. Ruby has its own idiosyncrasies, so those will likely be new, too. Experienced Ruby programmers: The set of Ruby programmers who don’t know Rails is a small one nowadays,...

Ngày tải lên: 16/02/2014, 13:20

... Deploy Welcome to Ruby on Rails ™ 3 Tutorial: Learn Rails by Example. The goal of this book is to be the best answer to the question, “If I want to learn web development with Ruby on Rails, where ... minority. www.it-ebooks.info RUBY ON RAILS ™ 3 TUTORIAL www.it-ebooks.info Acknowledgments Ruby on Rails ™ Tutorial owes a lot to my previous Rails book, RailsSpace, and hence to my coauthor on that book, ... Rails educational ecosystem. Finally, since Ruby on Rails Tutorial uses Rails 3.0, the knowledge you gain here will be fully up to date with the latest and greatest version of Rails. 1 Ruby on...

Ngày tải lên: 28/04/2014, 16:57

... Tại Sao Cần Biết Ruby on Rails? - Ruby Là một ngôn ngữ "thời thượng", dễ học và dễ viết (nhưng khó master!) - So sánh với các ngôn ngữ và framework khác, Ruby on Rails như xe đua ... quen với Migrations, cách truy vấn database, và xử lý form Chú ý: khi viết tránh để bị XSS hay SQL injection! Chương Trình Training Ruby on Rails 2. Tài liệu http://guides.rubyonrails.org/ Đây ... http://code.google.com/p/msysgit/ Ruby on Rails - www.RubyOnRails.org - Web framework, tương tự như Zend, nhưng "full stack", hoàn chỉnh từ lớp presentation tới logging. - Full stack:...

Ngày tải lên: 20/01/2014, 20:20

... (Yippee!) Installing the Ruby Interpreter To install Ruby on your computer, follow these steps: 1. Visit http://rubyforge.org/projects/rubyinstaller. The software that you download from http://rubyforge.org/ projects/rubyinstaller runs ... if you want, but you won’t use it for the remainder of this chapter. Creating a New Ruby on Rails Project RadRails is an integrated development environment for Ruby on Rails. (See Chapter 2.) ... http://rubyforge.org/ projects/rubyinstaller runs only on Windows. If you’re running Linux, try http://rubyforge.org/projects /ruby instead. If you’re a Macintosh user, visit http://hivelogic.com/articles/2005/ 12/01 /ruby_ rails_ lighttpd_mysql_tiger . 2....

Ngày tải lên: 27/03/2014, 00:02

... mastery of web application development with Rails. Beginning Ruby on Rails 978-0-470-06915-8 This book is for anyone who wants to develop online applications using Ruby and Rails. A basic understanding ... it’s ready to work with Rails. What’s in a Name? The name Ruby on Rails is often shortened to Rails. Another common abbreviation is the acronym RoR (pronounced like a lion’s “roar”). I feel it ... Associations 270 One-to-one Relationships 270 One-to-many Relationships 271 Many-to-many Relationships 271 Auto-generated Methods 273 Association Extensions 280 ActiveRecord Validations 281 Validation...

Ngày tải lên: 28/04/2014, 16:58

... Terminal one by one, pressing Return between each one: curl -O http://rubyforge.org/frs /download. php/5207/rubygems-0.8.11.tgz tar xzvf rubygems-0.8.11.tgz cd rubygems-0.8.11 sudo /usr/local/bin /ruby ... Second Gear’s Porchlight bug-tracking system was built using Ruby on Rails in three months. Figure 1-6. Odeo is a podcasting creation-and-sharing tool built on Rails. INTRODUCTION TO RUBY ON RAILS 13 1 7524ch01.qxd ... the Ruby- FastCGI bindings, like so: curl -O http://sugi.nemui.org/pub /ruby/ fcgi /ruby- fcgi-0.8.6.tar.gz tar xzvf ruby- fcgi-0.8.6.tar.gz cd ruby- fcgi-0.8.6 /usr/local/bin /ruby install.rb config...

Ngày tải lên: 29/04/2014, 14:43

... compatible with Rails. ■Note Before downloading Ruby, check which version is required by the Ruby on Rails version that you want to use by reading the online documentation found at www.rubyonrails.org. ... next-generation online shops using Ruby on Rails www.apress.com SOURCE CODE ONLINE forums.apress.com FOR PROFESSIONALS BY PROFESSIONALS ™ Join online discussions: THE APRESS ROADMAP Pro Ruby Pro Ruby on Rails Beginning ... the official Ruby interpreter, since Ruby on Rails is written in the Ruby programming language. Log in to Ubuntu and open a console window. Check that Ruby is installed by typing ruby v at the...

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Ngày tải lên: 24/10/2014, 13:03

... 221 Chapter Recap 221 12 RUBYGEMS AND RAILS PREPARATION 223 RubyGems 223 Installing RubyGems 224 Using RubyGems 224 Rails Preparation 227 What Is Rails? 228 Other Options for Installing Rails 228 Databases ... jokingly referred to Ruby as MatzLisp. On the other hand, some Ruby aficionados stress Ruby s 1 According to http:/ /ruby- lang.org. Interactive Ruby and the Ruby Environment 7 as n/a is a good ... sing_one_verse!() Methods puts sing(' on the wall, ') + sing("\n") + take_one_down! + sing(" on the wall.\n\n") end RUBY BY EXAMPLE Concepts and Code by Kevin...

Ngày tải lên: 22/03/2014, 09:20

... 166 Attribute ’TRANSACTION 168 Type Kind Attributes 169 Range Kind Attributes 170 Chapter 7 Configurations 173 Default Configurations 174 Component Configurations 176 Lower-Level Configurations 179 Entity-Architecture ... an example configuration: CONFIGURATION muxcon1 OF mux IS FOR netlist FOR U1,U2 : inverter USE ENTITY WORK.myinv(version1); END FOR; FOR U3,U4,U5,U6 : andgate USE ENTITY WORK.myand(ver- sion1); END ... WORK.myand(ver- sion1); END FOR; Conversion Functions 113 Resolution Functions 119 Procedures 133 Packages 135 Package Declaration 136 Deferred Constants 136 Subprogram Declaration 137 Package Body 138 Chapter...

Ngày tải lên: 16/08/2012, 08:46

... sử có một lỗi NullPointerException vì không tồn tại phương thức test(). Thông báo nào sẽ đc in ra? (chọn nhiều) B)Trong các câu lệnh nhiều catch, các lớp lỗi con phải đc đặt trước lớp lỗi cha C)Một ... không tồn tại constructor myClass() B)Lỗi khi chạy chương trình vì ko tồn tại constructor myClass() C)Chương trình chạy ko có lỗi mà in ra kết quả là 10 D)Ko có lựa chọn nào trong 3 lựa chọn ... mà ko khai báo nằm trong bất kỳ package nào khi biên dịch sẽ bị lỗi C)Một package ko thể chứa 1 package khác D)Khi tạo 1 package câu lện phải đc đặt tại dòng đầu tiên trong file nguồn 9.Có...

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