workshop de ruby e rails na usp leste 2012

WorkshopRuby on Rails

Aprendendo na Prática (versão 2012)

Fabio Akita

anos 80 anos 90 século XXI


Basic

dBase III

Clipper

C/Pascal

Delphi

Visual Basic

Java

.NET

Perl

PHP

Python

ABAP

Ruby

ObjC

ASP

Javascript

http://slideshare.net/akitaonrails

~1 milhãode desenvolvedores

4M até 2013 (Gartner)

Como Aprender?

Dica: depois pesquisem todos os links mostrados

BIG SUCCESS!

Ruby(linguagem)

1994

Ruby on Rails(framework web)

2004

Ruby

1.8.7

Ruby 1.9.2Ruby

1.9.3

Ruby on Rails

2.3.14

Ruby on Rails3.0.17

Ruby on Rails3.1.8

Ruby on Rails

3.2.8

Para que serve?

git clone git://github.com/qwertyreddy/rubystein.git

cd rubystein

gem install gosu

ruby wolf3d.rb

Instalando

curl -L https://get.rvm.io | bash -s stable

rvm install 1.9.3

O.O.P.

UMLDiagrama de Classes

“Eu inventei o termo

Orientação a Objetos

e posso dizer que

eu não tinha

C++ em mente”

Alan Kay

hardwarex86

Assembler

hardwarex86

hardwarePowerPC

Assembler Assembler

hardwarex86

hardwarePowerPC

hardwareARM

Assembler Assembler Assembler

hardwarex86

hardwarePowerPC

hardwareARM


C/C++/Pascal

hardwarex86

hardwarePowerPC

hardwareARM


C/C++/Pascal

Perl Python

PHP

hardwarex86

hardwarePowerPC

hardwareARM


C/C++/Pascal

Perl PythonJava Virtual Machine .NET Virtual

Machine

PHP

hardwarex86

hardwarePowerPC

hardwareARM


C/C++/Pascal


Machine

Java (bytecode) CILPHP

hardwarex86

hardwarePowerPC

hardwareARM


C/C++/Pascal


Machine

Java (bytecode) CIL

Java (linguagem) C# VB

PHP

hardwarex86

hardwarePowerPC

hardwareARM


C/C++/Pascal


Machine

Java (bytecode) CIL


Scala Clojure

PHP

hardwarex86

hardwarePowerPC

hardwareARM


C/C++/Pascal

Perl Python

Ruby

Java Virtual Machine .NET Virtual Machine

Java (bytecode) CIL


JRuby Scala Clojure

PHP

Fortran 90 ISO1991

SML ‘901990

Oakjune 1991

Perl 4.000march 21, 1991

PostScript level 21992

Perl 5.000october 18, 1994

Common Lisp ANSIdecember 8, 1994

Scheme IEEE1990

Python1991

NetRexx1991

ISO C(C90)

december 15, 1990

Caml 2-6.11991

Caml 3.11993

Visual Basic 1.0may 20, 1991

Oberon-21991

Sather 0.1june 1991

Sather 1.0mid-1994

Rubyfebruary 24, 1993

Haskell 1.1april 1, 1990

Haskell 1.2march 1992

Cmm1992

1990

MUMPS ISO1992

M1994

A+1992

J1990

Visual Basic 2.0march 1992

Visual Basic 3.0june 93

Eiffel 31993

MS PDS 7.11990

SML ‘971997

Java 2 (v1.2)december 8, 1998

PostScript level 3september 11, 1996

C++98 ANSI/ISO1998

APL961996

OO COBOL1997

Scheme R5RS1998

Ada 951995

Java 1may 23, 1995

Delphimarch 2, 1995

Delphi 5august, 1999

Modula-2 ISOjune 1, 1996

Tcl/Tk 8.1april 1999

Python 1.5.2april 13, 1999

Perl 5.005_50july 26, 1998

NetRexx 1.150july 23, 1999

Object Rexxfebruary 25, 1997

Prolog IV1997

ISO C(C95)

april 1, 1996

ISO C (C99)december 1, 1999

Objective Caml1996 O’Caml 2

1998

Visual Basic 6.0june 16, 1998

Sather 1.1september 1995

Sather 1.2.1november 4, 1999

Ruby 0.95december 1995

Ruby 1.1 alpha 0august 13, 1997 Ruby 1.3.2

april 2, 1999

Haskell 1.3may 1996

Haskell 1.4april 1997

Haskell 98february 1999

Fortran 95 ISOdecember 15, 1997

LiveScript1995

JavaScriptdecember 1995

JavaScript 1.5

ECMAScriptjune 1997

ECMAScript ed3december 1999

JScriptmay 1996

Self 4.0july 10, 1995

PHP/FI1995 PHP 2.0

nov. 13, 1997PHP 3.0

june 6, 1998

O’Caml 1.0.7december 11, 1997

Tcl/Tk 8.2.3dec. 16, 1999

Eiffel 4december 11, 1996

Eiffel 4.2february 6, 1998

1995

M ANSIdec 8, 1995

Open Mdec 11, 1995

M ISO1999

K1996

Visual Basic 4.0september 1995

Visual Basic 5.0april 1997

ANSI Rexx

ISO Forth1997

ANSI Smalltalkmay 19, 1998

Modula-2 ISOGeneric Extensiondecember 19, 1998

JavaScript 2.0(draft 1)

february 18, 1999

Pascal AFNOR1983

Object Pascal1985

PostScript1982

Smalltalk-801980

ANSI C(C89)1989

Objective-C1983

C with Classesapril 1980 C++

july 1983

Concurrent C1984

Eiffel1986

nawk1985

COBOL 85 ISO/ANSI1985

Common Lisp1984

Scheme 841984

Ada 83 ANSIjanuary 1983

Ada ISO1987

Oberon1987

Prolog IIoctober 1982

OO Forth1987

Clos1989

Object Logo1986

Prolog III1984

APL 2august 1984

SML1984

Modula 31988


Perl 2.000january 5, 1988

Perl 1.000december 18, 1987

Tclmid 1988

Tcl/Tkend 1988

Rex 2.001980

Rex 3.001982

Rexx 3.201984

Caml1987

Eiffel 21988

ABC1987

B1981

Haskell 1.01987

Self

BorlandTurbo Pascal

Cedar1983

1980 1985

MUMPS (FIPS)1986

Sharp APL

A1988

Miranda1982

KRC1981

Forth-831983

ANS Forth1986

ARM C++1989

BASICA1981

GW-Basic1983

MS Basic PDS 7.01989

QuickBasic 1.01985

QuickBasic 4.51988

Languagesfebruary 27, 2011

© Éric Lévénez 1999-2011<http://www.levenez.com/lang/>

FORTRAN II1957

FORTRANnovember 1954

FORTRAN Ioctober 1956

FORTRAN IIIend-1958

Flow-Matic1958

ALGOL 581958

Lisp1958

Lisp 11959

COBOL1959

B-O1957

1954 1957

IAL1958

JOVIAL1959

Forth1968

BASICmay 1, 1964

COBOL 611961

COBOL1965

FORTRAN IV(Fortran 66 ANS)

1966FORTRAN IV

1962

BCPLjuly 1967

ALGOL 68december

1968

PL/I1964

B1969

Simula 671967

COBOL 68 ANS1968

APL1960

ALGOL 601960

SNOBOL1962

Simula I1964

Lisp 1.51962

SNOBOL 2april 1964

SNOBOL 31965

SNOBOL 41967

Logo1968

COBOL 61 Extended

1962

CPL1963

1960 1965

MUMPS1966

ISWIM1966

JOVIAL I1960

JOVIAL II1961

JOVIAL 31965

CORAL 641964

CORAL 661966

TELCOMP1965

JOSS1964

GOGOL1964

GOGOL III1967

Sail1968

sh1969

ALGOL W1966

Ada1979

FORTRAN V(Fortran 77 ANSI)

april 1978

CLU1974

COBOL 74 ANSI1974

Modula1975

Modula 21979

C (K&R)1978

C1971

awk1978

cshoctober 1978

Scheme MIT1978

Scheme1975

Prolog1970

Icon1977

Smalltalk-721972

PL/1 ANS1976

PL/M1972

Smalltalk-761976

Smalltalk-741974

Smalltalk-781978

Rex 1.00may 1979

MS Basic 2.0july 1975

Pascal1970

ML1973

Mesa1977

1970 1975

MUMPS (ANSI)september 15, 1977

SASL1976

sed1973

FIG-Forth1978

Mainsail1975

SL51976

Smalltalk1971

Classic C

Pascal AFNOR1983

Object Pascal1985

PostScript1982

Smalltalk-801980

ANSI C(C89)1989

Objective-C1983


july 1983

Concurrent C1984

Eiffel1986

nawk1985


Common Lisp1984

Scheme 841984


Ada ISO1987

Oberon1987


OO Forth1987

Clos1989

Object Logo1986

Prolog III1984

APL 2august 1984

SML1984

Modula 31988




Tclmid 1988

Tcl/Tkend 1988

Rex 2.001980

Rex 3.001982

Rexx 3.201984

Caml1987

Eiffel 21988

ABC1987

B1981

Haskell 1.01987

Self

BorlandTurbo Pascal

Cedar1983

1980 1985

MUMPS (FIPS)1986

Sharp APL

A1988

Miranda1982

KRC1981

Forth-831983

ANS Forth1986

ARM C++1989

BASICA1981

GW-Basic1983


QuickBasic 1.01985

QuickBasic 4.51988

1 2 3 4

Pascal AFNOR1983

Object Pascal1985

PostScript1982

Smalltalk-801980

ANSI C(C89)1989

Objective-C1983


july 1983

Concurrent C1984

Eiffel1986

nawk1985


Common Lisp1984

Scheme 841984


Ada ISO1987

Oberon1987


OO Forth1987

Clos1989

Object Logo1986

Prolog III1984

APL 2august 1984

SML1984

Modula 31988




Tclmid 1988

Tcl/Tkend 1988

Rex 2.001980

Rex 3.001982

Rexx 3.201984

Caml1987

Eiffel 21988

ABC1987

B1981

Haskell 1.01987

Self

BorlandTurbo Pascal

Cedar1983

1980 1985

MUMPS (FIPS)1986

Sharp APL

A1988

Miranda1982

KRC1981

Forth-831983

ANS Forth1986

ARM C++1989

BASICA1981

GW-Basic1983


QuickBasic 1.01985

QuickBasic 4.51988

Fortran 90 ISO1991

SML ‘901990

Oakjune 1991

Perl 4.000march 21, 1991

PostScript level 21992


Common Lisp ANSIdecember 8, 1994

Scheme IEEE1990

Python1991

NetRexx1991

ISO C(C90)

december 15, 1990

Caml 2-6.11991

Caml 3.11993

Visual Basic 1.0may 20, 1991

Oberon-21991

Sather 0.1june 1991

Sather 1.0mid-1994

Rubyfebruary 24, 1993

Haskell 1.1april 1, 1990

Haskell 1.2march 1992

Cmm1992

1990

MUMPS ISO1992

M1994

A+1992

J1990

Visual Basic 2.0march 1992

Visual Basic 3.0june 93

Eiffel 31993

MS PDS 7.11990

SML ‘971997

Java 2 (v1.2)december 8, 1998

PostScript level 3september 11, 1996

C++98 ANSI/ISO1998

APL961996

OO COBOL1997

Scheme R5RS1998

Ada 951995

Java 1may 23, 1995

Delphimarch 2, 1995

Delphi 5august, 1999

Modula-2 ISOjune 1, 1996

Tcl/Tk 8.1april 1999


Perl 5.005_50july 26, 1998

NetRexx 1.150july 23, 1999

Object Rexxfebruary 25, 1997

Prolog IV1997

ISO C(C95)

april 1, 1996

ISO C (C99)december 1, 1999

Objective Caml1996 O’Caml 2

1998

Visual Basic 6.0june 16, 1998

Sather 1.1september 1995

Sather 1.2.1november 4, 1999

Ruby 0.95december 1995

Ruby 1.1 alpha 0august 13, 1997 Ruby 1.3.2

april 2, 1999

Haskell 1.3may 1996

Haskell 1.4april 1997

Haskell 98february 1999

Fortran 95 ISOdecember 15, 1997

LiveScript1995

JavaScriptdecember 1995

JavaScript 1.5

ECMAScriptjune 1997

ECMAScript ed3december 1999

JScriptmay 1996

Self 4.0july 10, 1995

PHP/FI1995 PHP 2.0

nov. 13, 1997PHP 3.0

june 6, 1998


Tcl/Tk 8.2.3dec. 16, 1999

Eiffel 4december 11, 1996

Eiffel 4.2february 6, 1998

1995

M ANSIdec 8, 1995

Open Mdec 11, 1995

M ISO1999

K1996

Visual Basic 4.0september 1995

Visual Basic 5.0april 1997

ANSI Rexx

ISO Forth1997

ANSI Smalltalkmay 19, 1998

Modula-2 ISOGeneric Extensiondecember 19, 1998


february 18, 1999

Perl 5.6.0march 28, 2000

Java 2 (v1.3)may 8, 2000

O’Caml 3.00june 2000

C#june 26, 2000

Python 1.6september 5, 2000

Python 2.0october 16, 2000

Ruby 1.6.1september 27, 2000

Perl 5.7,0september 2, 2000


Python 2.2december 21, 2001

Python 2.1april 17, 2001

C#(ECMA)

december 13, 2001

Java 2 (v1.4)early access

february 6, 2002

JScript

Self 4.1august 7, 2001

O’Caml 3.02july 30, 2001

O’Caml 3.03dec 10, 2001

PHP 4.0may 22, 2000

PHP 4.1.0december 8, 2001

O’Caml 3.04dec 12, 2001

Tcl/Tk 8.3october 22, 2001

Delphi 6may 1, 2001

2000

VB.NET(Visual Basic 7.0)

2001

ISE Eiffel 52001

Unicon2001

Active Oberon2001

1 2 3 4

Perl 5.6.0march 28, 2000

Java 2 (v1.3)may 8, 2000

O’Caml 3.00june 2000

C#june 26, 2000




Perl 5.7,0september 2, 2000



Python 2.1april 17, 2001

C#(ECMA)

december 13, 2001

Java 2 (v1.4)early access

february 6, 2002

JScript

Self 4.1august 7, 2001

O’Caml 3.02july 30, 2001

O’Caml 3.03dec 10, 2001

PHP 4.0may 22, 2000


O’Caml 3.04dec 12, 2001

Tcl/Tk 8.3october 22, 2001

Delphi 6may 1, 2001

2000

VB.NET(Visual Basic 7.0)

2001

ISE Eiffel 52001

Unicon2001

Active Oberon2001

Ruby 1.6.7march 1, 2002


Perl 5.8.0july 18, 2002

PHP 4.2.0april 22, 2002

PHP 4.2.2july 22, 2002

Java 2 (v1.4.0_01)june 4, 2002

O’Caml 3.05july 29, 2002

O’Caml 3.06august 20, 2002

Java 2 (v1.4.1)september 2002

PHP 4.2.3september 6, 2002

Fortran 2000(draft)

september 30, 2002

Tcl/Tk 8.4september 10, 2002

Delphi 7august 6, 2002

Self 4.1.6september 2002

Python 2.2.2october 14, 2002


2002

PHP 4.3.1feb. 17, 2003

Ruby 1.6.8december 24, 2002

Java 2(v1.4.1_02)

february 27, 2003

Python 2.3a2february 19, 2003

Tcl/Tk 8.4.1october 22, 2002

C#(ISO)

march 28, 2003

Tcl/Tk 8.4.2march 3, 2003

Tcl/Tk 8.4.3may 20, 2003

PHP 4.3.2may 29, 2003

Python 2.2.3may 30, 2003

Java 2 (v1.4.2)april 29, 2003

COBOL 2002 ISO/ANSIdecember 2002


april 26, 2002ECMAScript ed4 (draft)

2002

Haskell 98(revised)

december 2002

Python 2.3july 29, 2003

Java 2 (v1.4.1_03)june 11, 2003

2003

PHP 4.3.3august 25, 2003

Java 2 (v1.4.2_01)august 26, 2003

Ruby 1.8august 4, 2003

Python 2.3.1september 23, 2003

Perl 5.8.1september 26, 2003

Java 2 (v1.4.2_02)october 22, 2003

C# 2.0(beta)

july 2003

Delphi 8november 2003

PHP 4.3.4november 3, 2003

Java 2 (v1.4.2_03)december 13, 2003


Python 2.3.3december 19, 2003


Java 2 (v1.5.0)(beta 1)

february 5, 2004

O’Caml 3.07september 29, 2003

Tcl/Tk 8.4.6march 1, 2004

Self 4.2.1april 3, 2004

PHP 4.3.5march 26,

2004

Perl 5.8.2november 5, 2003

Perl 5.8.3january 1, 2004

Tcl/Tk 8.4.5november 24, 2003

Tcl/Tk 8.4.4july 22, 2003

PHP 4.3.6april 15,

2004

Java 2 (v5.0) (beta 2)june 28, 2004

Java 2 (v1.4.2_04)march 8, 2004

Java 2 (v1.4.2_05)june 30, 2004

PHP 4.3.7june 3,2004

Python 2.3.4may 27, 2004

Perl 5.8.4april 23, 2004

2004PostScript level 3

v 30162003

C++03 ISO/IEC2003

PHP 4.3.8july 13, 2004

PHP 5.0.0july 13, 2004

O’Caml 3.08.0july 13, 2004

Java 2 (v5.0)september 30, 2004

Python 2.4november 30, 2004



Java 2 (v6.0 beta)december 2004

Tcl/Tk 8.4.7july 25, 2004

Tcl/Tk 8.4.8nov. 22, 2004

Tcl/Tk 8.4.9december 7, 2004


Perl 5.8.5july 21, 2004


Java 2 (v1.4.2_06)november 23, 2004


Fortran 2003november 30, 2004

Java 2 (v5.0 update 3)april 28, 2005

Ada 2006 (draft)2005

2005

ECMA Eiffeljune 2005

Python 2.4.1march 30, 2005

O’Caml 3.08.2november 2004

Perl 5.8.7june 3, 2005

PHP 5.0.4april 3, 2005


PHP 4.4.1october 31, 2005



Tcl/Tk 8.4.11june 28, 2005

PostScript level 3v 3017

september 11, 2005

C# 3.0(beta)

september 2005

C# 2.0november 2005


Delphi 2006october 30, 2005



M ISOjanuary 6, 2005

1 2 3 4

PHP 4.3.8july 13, 2004

PHP 5.0.0july 13, 2004

O’Caml 3.08.0july 13, 2004

Java 2 (v5.0)september 30, 2004

Python 2.4november 30, 2004



Java 2 (v6.0 beta)december 2004

Tcl/Tk 8.4.7july 25, 2004

Tcl/Tk 8.4.8nov. 22, 2004



Perl 5.8.5july 21, 2004


Java 2 (v1.4.2_06)november 23, 2004


Fortran 2003november 30, 2004

Java 2 (v5.0 update 3)april 28, 2005

Ada 2006 (draft)2005

2005

ECMA Eiffeljune 2005

Python 2.4.1march 30, 2005

O’Caml 3.08.2november 2004

Perl 5.8.7june 3, 2005

PHP 5.0.4april 3, 2005


PHP 4.4.1october 31, 2005



Tcl/Tk 8.4.11june 28, 2005

PostScript level 3v 3017

september 11, 2005

C# 3.0(beta)

september 2005

C# 2.0november 2005


Delphi 2006october 30, 2005



M ISOjanuary 6, 2005

Objective-C 2.0august 7, 2006

2006

Tcl/Tk 8.4.13april 19, 2006


Java 2 (v5.0 update 8)august 11, 2006

Ruby 1.8.5august 25, 2006

Perl 5.8.8february 2, 2006

PHP 5.1.6august 24, 2006

PHP 4.4.2january 13, 2006

PHP 4.4.4august 17, 2006

O’Caml 3.09.2april 14, 2006

Self 4.3june 30, 2006

Scheme R6RS (draft)september 14, 2006



Java 6december 11, 2006

Tcl/Tk 8.4.15may 25, 2007


Ruby 1.8.6march 13, 2007

PHP 4.4.7may 3, 2007

PHP 5.2.3may 31, 2007

Java 2 (v5.0 update 12)may 31, 2007

2007

Tcl/Tk 8.5december 20, 2007

Java 6 update 2july 5, 2007

O’Caml 3.10.0may 16, 2007


Ada 2005march 9, 2007

Python 3.0a2december 7, 2007

PHP 5.2.4august 30, 2007


Scheme R6RSaugust 28, 2007

C# 3.5november 19, 2007

Delphi 2007march 2007

C# 3.0november 6, 2006

2008

Java 6 update 7july 11, 2008

Java 2 (v5.0 update 16)july 11, 2008

Java 2 (v1.4.2_18)july 11, 2008Ruby 1.8.7

may 31, 2008


PHP 5.2.6may 1, 2008




PHP 4.4.9august 7, 2008

O’Caml 3.10.2february 29, 2008

Java 6 update 11december 2, 2008

Java 2 (v1.4.2_19)december 2, 2008

Java 2 (v5.0 update 17)december 2, 2008

C++0x draft2008

Ruby 1.9.1january 30, 2009



Python 3.0.1february 13, 2009

Python 2.6.1december 4, 2008

2009

Tcl/Tk 8.5.6january 2009

Tcl/Tk 8.5.7april 15, 2009


Java 6 update 14june 10, 2009

Java 2 (v5.0 update 18)march 24, 2009

PHP 5.2.9february 26, 2009


PHP 5.3june 30, 2009

Python 3.1june 27, 2009

O’Caml 3.11.1june 12, 2009

Delphi 2009august 2008

Ruby 1.9.2 preview 1july 18, 2009

C++1x draftjuly 22, 2009

Objective-C 2.1august 28, 2009

Perl 5.11.0october 2, 2009


Java 6 update 24february 15, 2011

Java 2 (v5.0 update 21)september 11, 2009

Delphi 2010august 2009

Haskell 2010(announced)

november 2009

Python 2.7july 4, 2010

Tcl/Tk 8.5.9september 8, 2010

Ruby 1.9.2august 18, 2010

Perl 5.12.0april 12, 2010


Haskell HP 2010.2.0.0july 2010

O’Caml 3.12.0august 2, 2010

Fortran 2008september 2010

2010

C# 4.0april 12, 2010

2011

Python 3.2february 20, 2011

Python 2.7.1november 27, 2010

Perl 5.12.3january 21, 2011

1 2 3 4



FORTRAN II1957



FORTRAN IIIend-1958

Flow-Matic1958

ALGOL 581958

Lisp1958

Lisp 11959

COBOL1959

B-O1957

1954 1957

IAL1958

JOVIAL1959



FORTRAN II1957



FORTRAN IIIend-1958

Flow-Matic1958

ALGOL 581958

Lisp1958

Lisp 11959

COBOL1959

B-O1957

1954 1957

IAL1958

JOVIAL1959

FORTRAN



FORTRAN II1957



FORTRAN IIIend-1958

Flow-Matic1958

ALGOL 581958

Lisp1958

Lisp 11959

COBOL1959

B-O1957

1954 1957

IAL1958

JOVIAL1959

FORTRAN

LISP

$(':checkbox').map(function() { return this.id;}).get().join(',');

(map (lambda (x) (+ x x)) mylist)

“Hello World”

#include <stdio.h>

int main(){ printf("Hello world\n"); return 0;}

C

Java

class HelloWorldApp { static void main(String[] args) { System.out.println( "Hello World!"); }}

Transcript show: 'Hello, world!'.

Smalltalk

puts 'Hello World'

Ruby

“Procedures??”

puts 'Hello World'=> Hello World


Kernel.puts 'Hello World'=> Hello World



puts self.class=> Object




this




Object.ancestors => [Object, Kernel, BasicObject]

this

"teste".class => String


1.class => Fixnum


1.class => Fixnum

true.class => TrueClass


1.class => Fixnum


nil


1.class => Fixnum


nil .class => NilClass


1.class => Fixnum



NullPointerException!?


1.class => Fixnum



1 + 2

1.+(2)

Opcionais

def hello(name) return "Hello, " + nameend

puts hello("Fabio") => "Hello, Fabio"


puts hello "Fabio" => "Hello, Fabio"



ParêntesesOpcionais

def hello(name) "Hello, " + nameend


def hello(name) "Hello, " + nameend


returnautomático

def hello(name) "Hello, #{name}"end


def hello(name) "Hello, #{name}"end


Interpolação

class String def hello(name) "#{self}, #{name}" endend

class String def hello(name) "#{self}, #{name}" endend"Hello".hello "Fabio" => "Hello, Fabio"

class String def hello(name) "#{self}, #{name}" endend"Hello".hello "Fabio" => "Hello, Fabio"

ClassesAbertas!

module Legal def bu! "Buuu!" endend


class String include Legalend

class Fixnum include Legalend




"foo".bu! => "Buuu!"




"foo".bu! => "Buuu!"

10.bu! => "Buuu!"

require 'rubygems'require 'active_support/all'


Time.now + 1.day => 2012-08-22 02:15:35 -0300


Time.now + 1.day => 2012-08-22 02:15:35 -0300

Time.now + 1.week => 2012-08-28 02:15:35 -0300


Time.now + 1.day => 2012-08-22 02:15:35 -0300

Time.now + 1.week => 2012-08-28 02:15:35 -0300

(1.gigabyte - 100.megabytes) / 1.megabyte => 924

Mensagens

class Fooend

class Fooend

Foo.new.bar => NoMethodError: undefined method `bar' for #<Foo:0x007f8f62038330> from (irb):8 from /Users/akitaonrails/.rvm/rubies/ruby-1.9.3-head/bin/irb:16:in `<main>'

class Foo def method_missing(method) print "#{method} called" endend


Foo.new.bar => "bar called"



Foo.new.send(:bar) => "bar called"



Foo.new.send(:bar) => "bar called"

Messages!

require 'builder'xml = Builder::XmlMarkup.new

xml.instruct! :xml

xml.Hello "World!"xml.date do xml.year "2006" xml.month "01" xml.day "01"end

<?xml version="1.1" encoding="US-ASCII"?><Hello>World!</Hello><date> <year>2006</year> <month>01</month> <day>01</day></date>

Tipagem Dinâmica

class Gato def falar "miau" endend


class Pato def falar "qua qua" endend



def ouvir(animal) animal.falarend


ouvir(Gato.new)=> "miau"


def ouvir(animal) animal.falarend


ouvir(Gato.new)=> "miau"


def ouvir(animal) animal.falarend ouvir(Pato.new)

=> "qua qua"

Protocol > Interface

+40 mil gems

~20 GB

bundle install

RubyGem “Jar”

Rake Ant, Make

Bundler Maven

Web e Rails

Framework para Aplicações Web

gem install rails

rails new projeto

servidor web

Rack Middlewares

Routes

Controller

ModelView

Request

servidor web

Rack Middlewares

Routes

Controller

ModelView

Response Request

+40 mil gems

~20 GB

bundle install

Web Server

Rack Middlewares

Routes

Controller

ModelView

Response Request

Web Server

Rack Middlewares

Routes

Controller

ModelView

Response Request

Application Server Rack:

Mongrel,Thin,

Passenger,Unicorn

Web Server

Rack Middlewares

Routes

Controller

ModelView

Response Request

Web Server:NginX

Apache

Application Server Rack:

Mongrel,Thin,

Passenger,Unicorn

Web Server

Request

RailsApp

/public/stylesheets

Web Server

Request

RailsApp

ArquivosEstáticos

/public/stylesheets

Variáveis

/* CSS */$blue: #3bbfce;$margin: 16px;

Variáveis


.content-navigation { border-color: $blue; color: darken($blue, 9%);}

Variáveis



.content-navigation { border-color: #3bbfce; color: #2b9eab;}

Variáveis


.border { padding: $margin / 2; margin: $margin / 2; border-color: $blue;}



Variáveis


.border { padding: $margin / 2; margin: $margin / 2; border-color: $blue;}



.border { padding: 8px; margin: 8px; border-color: #3bbfce;}

Nestingtable.hl { margin: 2em 0; td.ln { text-align: right; }}

/* CSS */


/* CSS */

table.hl { margin: 2em 0;}table.hl td.ln { text-align: right;}


/* CSS */

li { font: { family: serif; weight: bold; size: 1.2em; }}



/* CSS */

li { font: { family: serif; weight: bold; size: 1.2em; }}

li { font-family: serif; font-weight: bold; font-size: 1.2em;}


class Animal constructor: (@name) ->

move: (meters) -> alert @name + " moved " + meters + "m."

class Snake extends Animal move: -> alert "Slithering..." super 5

class Horse extends Animal move: -> alert "Galloping..." super 45

sam = new Snake "Sammy the Python"tom = new Horse "Tommy the Palomino"

sam.move()tom.move()

var Animal, Horse, Snake, sam, tom;var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor; child.__super__ = parent.prototype; return child;};Animal = (function() { function Animal(name) { this.name = name; } Animal.prototype.move = function(meters) { return alert(this.name + " moved " + meters + "m."); }; return Animal;})();Snake = (function() { __extends(Snake, Animal); function Snake() { Snake.__super__.constructor.apply(this, arguments); } Snake.prototype.move = function() { alert("Slithering..."); return Snake.__super__.move.call(this, 5); }; return Snake;})();Horse = (function() { __extends(Horse, Animal); function Horse() { Horse.__super__.constructor.apply(this, arguments); } Horse.prototype.move = function() { alert("Galloping..."); return Horse.__super__.move.call(this, 45); }; return Horse;})();sam = new Snake("Sammy the Python");tom = new Horse("Tommy the Palomino");sam.move();tom.move();loadrun

Web Server(Produção)

Request

RailsApp

/app/assets

Web Server(Desenvolvimento)

Request

/public


Request

RailsApp

/app/assets


Request

Sprockets

/public


Request

RailsApp

/app/assets


Request

Sprockets

Tilt

/public


Request

RailsApp

/app/assets


Request

Sprockets

Tilt

Ugli!er

/public

ENGINE FILE EXTENSIONS REQUIRED LIBRARIES

ERB .erb, .rhtmlnone

Interpolated String .strnone

Erubis .erb, .rhtml, .erubis erubis

Haml .haml haml

Sass .sasssass

Scss .scsssass

Less CSS .less less

Builder .builder builder

Liquid .liquid liquid

RDiscount

.markdown, .mkd, .md

rdiscount

Redcarpet


redcarpet

BlueCloth .markdown, .mkd, .md bluecloth

Kramdown


kramdown

Maruku


maruku

RedCloth .textile redcloth

RDoc .rdoc rdoc

Radius .radius radius

Markaby .mab markaby

Nokogiri .nokogiri nokogiri

CoffeeScript .coffee coffee-script

Creole (Wiki markup) .creole creole

jQuery Tamanho Tempo

Original Size 621kb

Google Closure 234kb 6.5s

YUI Compressor 240kb 2.7s

UglifyJS 235kb 1.3s

RedmineGerenciador de

Projetos

git clone git://github.com/redmine/redmine.git

(edit) config/database.yml

bundle install

bundle exec rake generate_session_store

bundle exec rake db:create

bundle exec rake db:migrate

bundle exec rails server

Content Management

Systems

gem install refinerycms

refinerycms demo_refinery_site

cd demo_refinery_site

bundle exec rails server

Nanoc3Gerador de Sites

gem install kramdown

gem install adsf

gem install nanoc

nanoc create_site nanoc_demo

nanoc compile

nanoc view (não é Rails!)

Material

RubyConfBrasil

30 e 31 de Agosto

Obrigado!www.akitaonrails.com

www.codeminer42.com

u.akita.ws/uspleste2012

http://www.akitaonrails.com

http://www.akitaonrails.com

http://www.gonow.com.br




workshop de ruby e rails na usp leste 2012

Technology