... Salesinternational@pearson.comVisit us on the Web: informit.com/awLibrary of Congress Cataloging-in-Publication Data Hartl, Michael. Ruby onrails3tutorial : learn Rails by example / Michael Hartl. p. ... 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 henceto my coauthor on that book, ... Rails educational ecosystem. Finally,since RubyonRailsTutorial uses Rails3. 0, the knowledge you gain here will be fully upto date with the latest and greatest version of Rails. 1 Ruby on...
... quen với Migrations, cách truy vấn database, và xử lý formChú ý: khi viết tránh để bị XSS hay SQL injection! Chương Trình Training Rubyon Rails 2. Tài liệuhttp://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...
... development 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 theEclipse ... if you want, but you won’t useit for the remainder of this chapter.Creating a New RubyonRails ProjectRadRails is an integrated development environment for Rubyon Rails. (SeeChapter 2.) ... your database connection. Fortunately, trou-bleshooting the connection is the topic of the next section.Troubleshooting your database connectionWhat do you do if you can’t connect to your...
... RAILS 23 27524ch02.qxd 11 /30 /06 11:18 AM Page 23 Components of Rails A RubyonRails application consists of several components, as you can see in Figure 1 -3. Figure 1 -3. A generic Rails applicationA simple ... using RubyonRails in three months.Figure 1-6. Odeo is a podcasting creation-and-sharing tool built on Rails. INTRODUCTION TO RUBYON RAILS 13 17524ch01.qxd 12/ 13/ 06 4:40 PM Page 13 14. ... belongs_to :mother belongs_to :father end RAILS SOLUTIONS: RAILS MADE EASY87524ch01.qxd 12/ 13/ 06 4:40 PM Page 8 1 INTRODUCTION TO RUBY ON RAILS 7524ch01.qxd 12/ 13/ 06 4:40 PM Page 3 14....
... next-generation onlineshops using Rubyon Rails www.apress.comSOURCE CODE ONLINEforums.apress.comFOR PROFESSIONALSBY PROFESSIONALS™Join online discussions:THE APRESS ROADMAPPro Ruby Pro Rubyon Rails Beginning ... compatible with Rails. ■Note Before downloading Ruby, check which version is required by the RubyonRails version that you want to use by reading the online documentation found at www.rubyonrails.org. ... LaineBeginning Ruby on Rails E-CommerceFrom Novice to ProfessionalCYANMAGENTAYELLOWBLACKPANTONE 1 23 CVISBN 1-59059- 736 -29 781590 59 736 1 534 996 892 53 59 736 1Learn how to quickly develop next-generation...
... CH02.qxd 8 /30 /07 1 :30 PM Page 15 Ola BiniPractical JRuby on Rails Web 2.0 ProjectsBringing RubyonRails to theJava™Platform881-4 FM.qxd 8 /31 /07 1: 43 PM Page i A Brief History of Ruby Ruby ... Microsoft’s IronRuby.With JRuby running on the JVM, Ruby is better able to get into some enterprise environ-ments. Even at my day job, where I’ve been pushing Ruby from day one, JRuby is making Ruby solutions ... important is “Convention overConfiguration,” which means that you need to do extremely small amounts of configurationand coding if your application follows the conventions of Rails. It also...
... Microsoft’s IronRuby.With JRuby running on the JVM, Ruby is better able to get into some enterprise environ-ments. Even at my day job, where I’ve been pushing Ruby from day one, JRuby is making Ruby solutions ... environment tobe able to start creating JRuby onRails applications from scratch. One thing I haven’t mentionedis the question of where to write your code. I won’t give you a recommendation about ... important is “Convention overConfiguration,” which means that you need to do extremely small amounts of configurationand coding if your application follows the conventions of Rails. It also...
... được trong 1 lít dung dịch: A. 2a /3 mol CH 3 COOCH2CH 3 ; 2a /3 mol H2O. B. a /3 mol CH 3 COOCH2CH 3 ; a /3 mol H2O. C. a/2 mol CH 3 COOCH2CH 3 ; a/2 mol H2O. D. a/4 mol CH 3 COOCH2CH 3 ... 22. C 32 . C 42. B 3. C 13. C 23. A 33 . B 43. C 4. B 14. B 24. A 34 . C 44. A 5. D 15. A 25. C 35 . A 45. A 6. B 16. B 26. C 36 . B 46. B 7. C 17. D 27. A 37 . A 47. B 8. C 18. D 28. C 38 . B ... của 9,6 gam oxi (trong cùng điều kiện). Hai rượu là: A. CH 3 OH,C 3 H7OH ; CH 3 OH,C4H9OH B. CH 3 OH,C 3 H7OH C. CH 3 OH,C 3 H7OH ; CH 3 OH,C2H5OH D. CH 3 OH,C4H9OH Câu...
... ⇒ Đáp án: D Câu 32 : Ta có pư: 3 23 2FeCl FeCl+⎯⎯→ (1) Theo (1) thấy: 1 mol Fe phản ứng ⎯⎯→mrắn tăng: 3. 35 ,3g ⇒106,5.56 3. 35, 5m = ⇒ Đáp án: D Câu 33 : Dùng phương pháp ... án: B Câu 23: Để được dung dịch trong suốt ⇒ AO, B2O 3 phaûi tan heát ⇒ B2O 3 : Oxit lưỡng tính ⇒ Đáp án: D Câu 24: 1. Theo ñeà ⇒ X: (NH4)2CO 3 ⇒ 2 khí: NH 3 , CO2 ⇒ ... ñoà hôïp lí: 32 53 HC CH CH CHO C H OH CH COOH≡ →− → → Hoaëc 2225 3 HC CH CH CH C H OH CH COOH≡ →→→ Đáp aùn: D ⇒ Caâu 8: Với (C 3 H 3 )n có điều kiện tồn tại 0 < 3n ≤ 2.n+2 ⇒...
... /usr/bin/pythonChecking for Python version >= 2 .3 : ok 2.5.2Checking for library python2.5 : okChecking for program python2.5-config : ok /usr/bin/python2.5-configChecking for header Python.h : okChecking ... ApplicationsAnother one of the core abstractions of the ns -3 system is the Application. Inthis script we use two specializations of the core ns -3 class Application calledUdpEchoServerApplication ... to start new simulationprojects.1.2 ContributingNs -3 is a research and educational simulator, by and for the research community. It will rely on the ongoing contributions of the community...