... to check the online version of the Rails
Tutorialbook at http://railstutorial.org /book for the latest updates.)
Note that the goal of this book is not merely to teach Rails, but rather to teach
web ... libsqlite3-dev # Linux only
1.2.3 The First Application
Virtually all Rails applications start the same way, with the
rails
command. This
handy program creates a skeleton Rails application in a directory ... represents the state of the art in web development. (The most up-to-date
version of theRailsTutorial can be found onthebook s website at http://railstutorial.org;
if you are reading this book offline,...
... version of theRailsTutorialbook at
http://railstutorial.org /book for the latest updates. In addition, PDF books purchased through railstutorial.org
will continue to be updated as long as Rails ... experience.
—Ron Bingham, CEO, SounDBuytz
I love the writing style of theRails Tutorial
I love the writing style of theRails Tutorial, and there is so much content that is different
from other Rails books ... minority.
www.it-ebooks.info
RUBYON 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, Aurelius...
... 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 Rubyon Rails
2. Tài liệu
http://guides.rubyonrails.org/
Đây ... http://code.google.com/p/msysgit/
Rubyon Rails
- www.RubyOnRails.org
- Web framework, tương tự như Zend, nhưng "full stack", hoàn
chỉnh từ lớp presentation tới logging.
- Full stack: ... Tại Sao Cần Biết Rubyon 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, RubyonRails
như xe đua...
... need to be done to determine
whether the pension money has contributed to
better quality of life and nutritional status for the
pensioners.
ã There is need for further investigation on this
i ... receiving the pension. Apart from
drinking alcohol, 44% of the pensioners i nterviewed
also smoked, and, as a result, they spent some of the
pension money on tobacco for themselves and oth-
ers. The ... orphaned
grandchildren.
4,5
This demographic transformation has profound
implications onthe continued social integration and
the provision of health and social services for the
elderly. The old...
... a narrow pane onthe left and a
wider pane to the right. The pane onthe left contains a list. The wider
pane contains information about the MySQL server.
3. In the list pane (on the left) click ... environment (IDE) for Ruby on
Rails. In the name RadRails, the
Rad stands for “Rapid application devel-
opment” (and, of course,
Rails stands for Rails ). RadRails is based on the
Eclipse platform ... Onthe other hand, if you deselect the Modify Security Settings option,
the wizard sets the username to
root and leaves the password empty.
This is fine for a beginning RubyonRails user....
...
regulated on a regional or national basis. Mindful of these constraints, the
Commission has already taken action on ship emissions, adopting an EU strategy
98
United Nations Convention onthe ... implications 119
9. Stakeholder and public consultation 124
9.1. Public consultation 124
9.2. Stakeholder consultation 125
9.3. Consultation within the Commission 127
10. Commission proposal and ... PM
2.5
concentration only (therefore excluding
additional costs linked with acidification, eutrophication and ground-level ozone
targets), with the monetary valuation of both mortality and morbidity...
... defi ning and confi guring every single detail of their application.
Most Web applications share common elements andRails requires confi guration only when the conven-
tions adopted by the framework ... created theRubyonRails framework, whose value will be revealed through-
out the book. And fi nally, Dave Thomas wrote some of the earliest available books onthe subject of Ruby
and Rails. ...
Professional RubyonRails
978-0-470-22388-8
This book is for RubyonRails programmers, software and web devel-
opers, designers, and architects who are looking to expand their
knowledge of the Rails...
... as
37Signals and Google.
Rails Solutions: RubyonRails Made Easy is an
introduction to RubyonRails with the web designer in
mind. Instead of focusing onthe intricate syntax of each
method, thebook ... view_all. The view_all
method gives the user a listing of all the cars in the database. Rather than write out the
entire HTML, you can focus ontheRuby portion of the template. This portion of the ... as the components of a Rails application. It covered the basics of Active Record,
Action Controller, and Action View. It also discussed the database support afforded to
Rails applications and...
... required by theRubyonRails version that you
want to use by reading the online documentation found at www.rubyonrails.org. The documentation for
version 1.1 of RubyonRails recommends version 1.8.4 ... to install Ruby, Rubyon Rails, MySQL, andthe MySQL driver.
Then we showed you how to create a RubyonRails project skeleton using the
rails command.
Next, we introduced you to controllers, ... next-generation online
shops using Rubyon Rails
www.apress.com
SOURCE CODE ONLINE
forums.apress.com
FOR PROFESSIONALS
BY PROFESSIONALS
™
Join online discussions:
THE APRESS ROADMAP
Pro Ruby
Pro Rubyon Rails
Beginning...
... TheRuby language andtheRails framework have been
making waves in the developer world for a while now. JRuby is the next step in
the evolution of Ruby. This book introduces Ruby, Rails, and ... DEVELOPER
Practical JRuby onRails Web 2.0 Projects:
Bringing RubyonRails to the Java
™
Platform
Dear Reader,
The book you’re holding in your hand right now introduces JRuby onRails in a
practical and easy ... the course of the book.
After reading this book, you should be able to start a new project based on
JRuby onRailsand take it all the way from inception to production. If you don’t
know Ruby, ...
... with the same Railson a different
platform—Java. I view the JRuby effort to create a fully effective Ruby implementation on the
Java JVM to be an important project both for Rubyand Java. For Ruby ... install all the software
you’ll need in the rest of the book.
I’ll briefly introduce RubyGems (the main Ruby package installation tool) and walk
through installing all the Gems used in the book. We’ll ... both one of the good and bad characteristics of running on Java.
At the time of writing, the current JRuby version is 1.0, and work on 1.0.1 and 1.1 is start-
ing up. Regardless of which version...
...
Figure 2 presents the employment and value of shipments for both the
primary and secondary portions of the paper and allied products industry.
Taken together, the industry is among the top 10 U.S. ...
easily, but are not as strong. The efficiency and effectiveness of the sulfite
process is also dependent onthe type of wood furnish andthe absence of
bark. For these reasons, the use of sulfite ... conditions.
Chemical reactions with lignin during the acid stage of the bleaching process
increase the whiteness of the pulp. The alkaline extraction stages dissolve
the lignin/acid reaction...
... emphasize the information pertinent to the
industrial environment.
ã
The book consistently stresses evaluation and control of toxic hazards.
ã
Numerous illustrations and figures clarify and summarize ... distribution,
biotransformation, and elimination of
the toxicant
1.3 THE IMPORTANCE OF DOSE ANDTHE DOSE–RESPONSE RELATIONSHIP
13
4. The test duration (observation period)
5. A series of doses to test
Possible ... response gives a bell-shaped curve about the mean response. One standard deviation in either direction
from the mean should encompass the range of responses for about two-thirds (67 percent) of the...