241
Donets Basin Mina de carvão-Ucrânia Genius is the gold in the mine; talent is the miner who works and brings it out. Lady Marguerite Blessington “ ”
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Donets BasinMina de carvão-Ucrânia
Genius is the gold in the mine; talent is the miner who works and brings it out.Lady Marguerite Blessington
“”
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2004
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v 30162003
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Ruby 1.8.2december 25, 2004
Perl 5.8.5july 21, 2004
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Java 2 (v5.0 update 3)april 28, 2005
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2005
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Python 2.4.1march 30, 2005
O’Caml 3.08.2november 2004
Perl 5.8.7june 3, 2005
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PHP 5.0.5september 6, 2005
PHP 4.4.1october 31, 2005
Ruby 1.8.3september 21, 2005
Python 2.4.2september 28, 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
Tcl/Tk 8.4.12december 6, 2005
Delphi 2006october 30, 2005
Ruby 1.8.4december 24, 2005
PHP 5.1.0november 24, 2005
M ISOjanuary 6, 2005
1 2 3 4
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 3.000october 18, 1989
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
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
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
Ruby 1.6.5september 19, 2001
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
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
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 3.000october 18, 1989
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
1 2 3 4
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
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
FORTRAN
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
FORTRAN
LISP
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 3.000october 18, 1989
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
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 3.000october 18, 1989
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
Orientação a Objetos
Uni!ed Model Language
Diagrama de “Classes”!
Alan Kay“A melhor
maneira deprever o futuro é
inventá-lo.”
Alan Kay“Eu inventei o
termo“Orientação a
Objetos”e posso dizer que
eu não tinhaC++ em mente.”
Alan Kay
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
Request
servidor web
Rack Middlewares
Routes
Controller
ModelView
Request
servidor web
Rack Middlewares
Routes
Controller
ModelView
Request
servidor web
Rack Middlewares
Routes
Controller
ModelView
Request
servidor web
Rack Middlewares
Routes
Controller
ModelView
Request
servidor web
Rack Middlewares
Routes
Controller
ModelView
Request
servidor web
Rack Middlewares
Routes
Controller
ModelView
Request
servidor web
Rack Middlewares
Routes
Controller
ModelView
Request
servidor web
Rack Middlewares
Routes
Controller
ModelView
Request
servidor web
Rack Middlewares
Routes
Controller
ModelView
Response Request
~40 mil gems
~20 GB
bundle install
Estrutura de Diretórios Similar
RubyGem “Jar”
Rake Ant, Make
Bundler* Maven
* não baixa toda a internet
Gems included by the bundle: * RedCloth (4.2.9) * actionmailer (4.0.0.beta) * actionpack (4.0.0.beta) * activemodel (4.0.0.beta) * activerecord (4.0.0.beta) * activesupport (4.0.0.beta) * arel (3.0.2) * bcrypt-ruby (3.0.1) * builder (3.0.0) * bundler (1.1.3) * erubis (2.7.0) * execjs (1.3.0) * hike (1.2.1) * i18n (0.6.0) * journey (1.0.1.20120208102204 b0ef9f1) * jquery-rails (2.0.2) * json (1.6.6) * mail (2.4.4) * memcache-client (1.8.5) * metaclass (0.0.1) * mime-types (1.18) * mocha (0.10.5) * multi_json (1.3.1)
* mysql (2.8.1)* mysql2 (0.3.11)* nokogiri (1.5.2)* pg (0.13.2)* polyglot (0.3.3)* rack (1.4.1)* rack-cache (1.2)* rack-test (0.6.1 cab8eb9)* rails (4.0.0.beta 86c640a)* railties (4.0.0.beta)* rake (0.9.2.2)* rdoc (3.12)* ruby-prof (0.10.8)* sdoc (0.3.15 055fe2a)* sprockets (2.3.2)* sprockets-rails (1.0.0)* sqlite3 (1.3.5)* thor (0.14.6)* tilt (1.3.3)* treetop (1.4.10)* tzinfo (0.3.33)* uglifier (1.2.4)* w3c_validators (1.2)* yajl-ruby (1.1.0)
Gems included by the bundle: * RedCloth (4.2.9) * actionmailer (4.0.0.beta) * actionpack (4.0.0.beta) * activemodel (4.0.0.beta) * activerecord (4.0.0.beta) * activesupport (4.0.0.beta) * arel (3.0.2) * bcrypt-ruby (3.0.1) * builder (3.0.0) * bundler (1.1.3) * erubis (2.7.0) * execjs (1.3.0) * hike (1.2.1) * i18n (0.6.0) * journey (1.0.1.20120208102204 b0ef9f1) * jquery-rails (2.0.2) * json (1.6.6) * mail (2.4.4) * memcache-client (1.8.5) * metaclass (0.0.1) * mime-types (1.18) * mocha (0.10.5) * multi_json (1.3.1)
* mysql (2.8.1)* mysql2 (0.3.11)* nokogiri (1.5.2)* pg (0.13.2)* polyglot (0.3.3)* rack (1.4.1)* rack-cache (1.2)* rack-test (0.6.1 cab8eb9)* rails (4.0.0.beta 86c640a)* railties (4.0.0.beta)* rake (0.9.2.2)* rdoc (3.12)* ruby-prof (0.10.8)* sdoc (0.3.15 055fe2a)* sprockets (2.3.2)* sprockets-rails (1.0.0)* sqlite3 (1.3.5)* thor (0.14.6)* tilt (1.3.3)* treetop (1.4.10)* tzinfo (0.3.33)* uglifier (1.2.4)* w3c_validators (1.2)* yajl-ruby (1.1.0)
Infraestrutura
Web Server
Rack Middlewares
Routes
Controller
ModelView
Response Request
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
App Server
Database
Web Server
App Server App Server
Database
Web Server Web Server
App Server App Server
Database
Web Server Web Server Web Server
App Server App Server
Database
Web Server Web Server Web Server
App Server App Server
Load Balancer
Database
Web Server Web Server Web Server
App Server App Server
Load Balancer
Database
Database
Web Server Web Server Web Server
App Server App Server
Load Balancer
Database
Database
Cache
Web Server Web Server Web Server
App Server App Server
Load Balancer
Database
Database
Cache Queue
Web Server Web Server Web Server
App Server App Server WS Server
Load Balancer
Database
Database
Cache Queue
NGINX NGINX NGINX
Unicorn Unicorn Thin
HA Proxy
PostgreSQL
PostgreSQL
Memcached Redis
Templates ERB, HAML, SASS
Autenticação HTTP Basic, HTTP Digest,Devise, Sorceror
Bancos de Dados MySQL, PostgreSQL, Oracle,MongoDB, Riak, Redis, Cassandra
ORMs ActiveRecord, DataMapper,MongoId, Sequel
Javascript Angular.js, jQuery,Ember.js, Backbone.js
Web Servers Apache 2, NGINX
Templates ERB, HAML, SASS
Autenticação HTTP Basic, HTTP Digest,Devise, Sorceror
Bancos de Dados MySQL, PostgreSQL, Oracle,MongoDB, Riak, Redis, Cassandra
ORMs ActiveRecord, DataMapper,MongoId, Sequel
Javascript Angular.js, jQuery,Ember.js, Backbone.js
Web Servers Apache 2, NGINX
Templates ERB, HAML, SASS
Autenticação HTTP Basic, HTTP Digest,Devise, Sorceror
Bancos de Dados MySQL, PostgreSQL, Oracle,MongoDB, Riak, Redis, Cassandra
ORMs ActiveRecord, DataMapper,MongoId, Sequel
Javascript Angular.js, jQuery,Ember.js, Backbone.js
Web Servers Apache 2, NGINX
Templates ERB, HAML, SASS
Autenticação HTTP Basic, HTTP Digest,Devise, Sorceror
Bancos de Dados MySQL, PostgreSQL, Oracle,MongoDB, Riak, Redis, Cassandra
ORMs ActiveRecord, DataMapper,MongoId, Sequel
Javascript Angular.js, jQuery,Ember.js, Backbone.js
Web Servers Apache 2, NGINX
Templates ERB, HAML, SASS
Autenticação HTTP Basic, HTTP Digest,Devise, Sorceror
Bancos de Dados MySQL, PostgreSQL, Oracle,MongoDB, Riak, Redis, Cassandra
ORMs ActiveRecord, DataMapper,MongoId, Sequel
Javascript Angular.js, jQuery,Ember.js, Backbone.js
Web Servers Apache 2, NGINX
Templates ERB, HAML, SASS
Autenticação HTTP Basic, HTTP Digest,Devise, Sorceror
Bancos de Dados MySQL, PostgreSQL, Oracle,MongoDB, Riak, Redis, Cassandra
ORMs ActiveRecord, DataMapper,MongoId, Sequel
Javascript Angular.js, jQuery,Ember.js, Backbone.js
Web Servers Apache 2, NGINX
Request
Request
TarefaPesada
TarefaPesada
Request Fila (Queue)
Performance?
Existem mentiras,
mentiras malditas
e estatísticas.
Existem mentiras,
mentiras malditas
e estatísticas.
Existem mentiras,
mentiras malditas
e estatísticas.
22.95 seg!
2.9 seg
Otimização Prematura é a
Origem de Todo o Mal
Material
Comunidades
Perl
Python
PHP
Ruby
Boas Práticas
require 'spec_helper'describe Coupon do let(:coupon) { described_class.new }
describe "validations" do context "both expiration date and quantity" do it "invalidates the coupon" do coupon.expires_at = 2.days.from_now coupon.quantity = 2000 coupon.should_not be_valid end end end
describe "#consume!" do context "when quantity" do let(:coupon) { described_class.create(:quantity => 100) }
it "decreases the quantity" do coupon.consume! coupon.quantity.should eq(99) end end endend
require 'spec_helper'describe Coupon do let(:coupon) { described_class.new }
describe "validations" do context "both expiration date and quantity" do it "invalidates the coupon" do coupon.expires_at = 2.days.from_now coupon.quantity = 2000 coupon.should_not be_valid end end end
describe "#consume!" do context "when quantity" do let(:coupon) { described_class.create(:quantity => 100) }
it "decreases the quantity" do coupon.consume! coupon.quantity.should eq(99) end end endend
require 'spec_helper'describe Coupon do let(:coupon) { described_class.new }
describe "validations" do context "both expiration date and quantity" do it "invalidates the coupon" do coupon.expires_at = 2.days.from_now coupon.quantity = 2000 coupon.should_not be_valid end end end
describe "#consume!" do context "when quantity" do let(:coupon) { described_class.create(:quantity => 100) }
it "decreases the quantity" do coupon.consume! coupon.quantity.should eq(99) end end endend
> rspec spec/models/coupon_spec.rb
Coupon validations only expiration date validates the coupon only quantity validates the coupon both expiration date and quantity invalidates the coupon only percentage discount validates the coupon only value discount validates the coupon both value and percentage invalidates the coupon #consume! when quantity decreases the quantity when expiration date does nothing...
Finished in 0.28123 seconds14 examples, 0 failures
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“Cowboy” Pro!ssional
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1 2 3 4 5 6 7 80
18
35
53
70
Prod
utiv
idad
e
Tempo
“Cowboy” Pro!ssional
Produtividade
1 2 3 4 5 6 7 80
18
35
53
70
Prod
utiv
idad
e
Tempo
“Cowboy” Pro!ssional
Produtividade
1 2 3 4 5 6 7 80
18
35
53
70
Prod
utiv
idad
e
Tempo
“Cowboy” Pro!ssional
Produtividade
1 2 3 4 5 6 7 80
18
35
53
70
Prod
utiv
idad
e
Tempo
“Cowboy” Pro!ssional
Produtividade
Mais Produtivo
“Melhor”
Anti-legado
Robert C. Martin
“Uncle Bob”
LEMBRE-SE:Poderíamos contratar um Macaco Treinado
para fazer seu Trabalho!
Empreendedorismo
Código e “Forma”
Ciclo de Vida de Projetos
Comunidade Open Source
Empreendedorismo
Código e “Forma”
Ciclo de Vida de Projetos
Comunidade Open Source
Empreendedorismo
Código e “Forma”
Ciclo de Vida de Projetos
Comunidade Open Source
Empreendedorismo
Código e “Forma”
Ciclo de Vida de Projetos
Comunidade Open Source
Obrigado!
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