ruby on rails programming language tutorial

... the Rails Tutorial can be found on the book’s website at http://railstutorial.org; if you are reading this book offline, be sure to check the online version of the Rails Tutorial book at http://railstutorial.org/book ... blog post or discussion-forum thread. 1.1.1 Comments for Various Readers The Rails Tutorial contains integrated tutorials not only for Rails, but also for the underlying Ruby language, the RSpec ... development with Ruby on Rails, how should I start?’’ For years Michael Hartl has provided the answer as author of the RailsSpace tutorial in our series and now the new Ruby on Rails TM 3 Tutorial that...

Ngày tải lên: 16/02/2014, 13:20

Ngày tải lên: 28/04/2014, 16:57

... 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: ... v.v. 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...

Ngày tải lên: 20/01/2014, 20:20

Ngày tải lên: 27/03/2014, 00:02

Ngày tải lên: 28/04/2014, 16:58

Ngày tải lên: 29/04/2014, 14:43

Ngày tải lên: 01/06/2014, 00:46

Ngày tải lên: 06/07/2014, 15:16

Ngày tải lên: 06/07/2014, 15:21

Ngày tải lên: 05/03/2014, 22:21

... SUBTTL Perform function PAGE BEGIN: CALL MONOON ;Turn on mono display MOV DX,OFFSET MONOPROMPT ;GET MONO PROMPT MOV AH,PRTMSG ;ISSUE INT DOS ;IT CALL COLORON ;Turn on color display MOV ... this section is the use of the BIOS interrupt KBD to read a character from the keyboard. Now for the subroutines, MONOON and COLORON: SUBTTL Routines to turn monitors on PAGE MONOON PROC ... segment registers are specialized: one for code, one for most data accesses, one for the stack (which we'll mention again) and one "extra" one for additional data accesses. Most people,...

Ngày tải lên: 04/08/2012, 14:25

... variable in question is not automatic, the initialization is done once only, conceptionally before the program starts executing, and the initializer must be a constant expression. An explicitly ... suitable when the condition is whether some integer or character expression matches one of a set of constants. For contrast, we will present a switch version of this program in Section 3.4. http://freebooks.by.ru/view/CProgrammingLanguage/chapter1.html ... of characters that contains one character (the letter x) and a '\0'. There is one other kind of constant, the enumeration constant. An enumeration is a list of constant integer values,...

Ngày tải lên: 14/11/2012, 17:10

... button so button-generated actions are passed to the actionPerformed method in the SwingUI object. button = new JButton("Click Me"); //Add button as an event listener button.addActionListener(this); Event ... a platform-independent construction. Exception Handling An exception is a class that descends from either java.lang.Exception or java.lang.RuntimeException that defines mild error conditions your program ... the case of an application, GUI components are added to the content pane of its JFrame object. More Information For more information on Project Swing, see the Swing Connection , and Fundamentals...

Ngày tải lên: 06/08/2013, 17:39

... conversion program of Section 1.2 to use a function for conversion. 1.8 Arguments - Call by Value One aspect of C functions may be unfamiliar to programmers who are used to some other languages, ... characters that contains one character (the letter x ) and a '\0' . There is one other kind of constant, the enumeration constant . An enumeration is a list of constant integer ... suitable when the condition is whether some integer or character expression matches one of a set of constants. For contrast, we will present a switch version of this program in Section 3.4. Exercise...

Ngày tải lên: 20/10/2013, 17:15

... INTRODUCTION LECTURE OUTLINE • Nonlinear Programming • Application Contexts • Characterization Issue • Computation Issue • Duality • Organization COMPUTATION PROBLEM • Iterative descent • Approximation • ... applications: − Solution of systems of n nonlinear equations with n unknowns − Model Construction – Curve Fitting − Neural Networks − Pattern Classification STEEPEST DESCENT AND NEWTON’S METHOD x 0 Slow ... order conditions but are not local minima xxx f(x) = |x| 3 (convex) f(x) = x 3 f(x) = - |x| 3 x* = 0 x* = 0 x* = 0 First and second order necessary optimality conditions for functions of one variable. MAIN...

Ngày tải lên: 26/10/2013, 17:15

... several extensions to the Java programming language. One of these is the introduction of generics. This tutorial is aimed at introducing you to generics. You may be familiar with similar constructs ... Java programming language, which supports generics. Alas, in reality this isn’t the case. Millions of lines of code have been written in earlier versions of the language, and they won’t all be converted ... fictional company, used for illustration purposes. Any relation to any real company or institution, or any persons living or dead, is purely coincidental. 10 Generics in the Java Programming Language Gilad...

Ngày tải lên: 26/10/2013, 18:15

Ngày tải lên: 29/10/2013, 00:48

... collection implementations, by convention, provide a copy constructor whose argument is of type Collection or Map . Interface-based copy constructors allow the client to choose the implementation ... of the object and its clone. Like a constructor, a clone method should not invoke any nonfinal methods on the clone under construction (Item 15). If clone invokes an overridden method, this ... following clone method: // Clone method to guarantee that instances cannot be cloned public final Object clone() throws CloneNotSupportedException { throw new CloneNotSupportedException(); }...

Ngày tải lên: 12/12/2013, 21:16

... Conceptual Internal Representation a Module Each set contains all elements of that object type in the module. All sets are interconnected. The connections between the sets are bidirectional. ... object type has a corresponding set that identifies all objects of that type in the module. Sets of all object types are interconnected. A conceptual internal representation of a module is shown ... description is a conceptual view of the internal structures. The exact implementation of data structures is simulator dependent. [ Team LiB ] 13.2.3 General Flow of PLI Task Addition and...

Ngày tải lên: 24/12/2013, 11:17