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The Future is Dead long live the past

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Hi!

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Bruno Aguirre

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Bruno Aguirre github: elcuervo

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Bruno Aguirre @cuerbot github: elcuervo

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cuervo

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disclaimer

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relax

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it’s not about this future

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nor this past

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UNIX

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UNIX DB

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UNIX DB WEB

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UNIX

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than an MORE OPERATING system

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than MORE SOFTWARE

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Philosophy

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The ART of Unix programming Eric Raymond

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Write SIMPLE parts connected by CLEAN interfaces

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CLARITY is better than cleverness

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Design programs to be CONNECTED to other programs

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ps uax | grep ruby | sort | uniq

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Design for SIMPLICITY; add complexity ONLY where you must

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S R P

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S R P ingle

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S R P ingle esponsability

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S R P ingle esponsability rinciple

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PROTOTYPE before polishing. GET IT WORKING before you OPTIMIZE it

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DISTRUST all claims for “ONE TRUE WAY”

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Design for the FUTURE, because it will be here SOONER than you think

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KISS

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KEEP

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IT

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SIMPLE

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SWEETIE

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“Simplicity is the ultimate sophistication” Leonardo Da Vinci 1452-1519

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“Everything should be made as simple as possible, but no simpler” Albert Einstein 1879-1955

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“Unix is simple. It just takes a genius to understand its simplicity” Dennis Ritchie 1941-2011

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DB

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once upon a time

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RDB

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ROFLSCALE

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ROFLSCALE

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POSTGRESQL

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POSTGRESQL MYSQL

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CONSTRAINS

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PRIMARY KEY

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PRIMARY KEY UNIQUE

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PRIMARY KEY UNIQUE NOT NULL

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PRIMARY KEY UNIQUE NOT NULL FOREIGN KEY

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PRIMARY KEY UNIQUE NOT NULL FOREIGN KEY CHECK

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PREPARED STATEMENTS

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SELECT * FROM fruits WHERE id = 42;

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PREPARE fruit_seeker (int) AS SELECT * FROM fruits WHERE id = $1;

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PREPARE fruit_seeker (int) AS SELECT * FROM fruits WHERE id = $1; EXECUTE fruit_seeker(42);

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~2003

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QUERIES PER SECOND BOOST

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~2011

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STORED PROCEDURES

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Execution within the database

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Complex data handling

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Column operations

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We want to use Ruby everywhere

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DON’T

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WITHOUT ORM

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WEB

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HTTP 1.0 RFC 1945 (1996)

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MOST WEB of the

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client server request response open open close close

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HTTP 1.1 RFC 2616 (1999)

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Persistent connections

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client server request response open close Re use open sockets close open

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client server request response open close Re use open sockets

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Enabled by default

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Pipelining

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client server request response open close

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Disabled by default

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Get ready for the PAST

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Firefox: can be enabled

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Firefox: can be enabled Chrome: can be enabled

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Firefox: can be enabled Chrome v20: enabled by default Chrome: can be enabled

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Upgrade header

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GET /mychat HTTP/1.1 Host: server.example.com Upgrade: websocket Connection: Upgrade Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw== Sec-WebSocket-Protocol: chat Sec-WebSocket-Version: 13 Origin: http://example.com request

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GET /mychat HTTP/1.1 Host: server.example.com Upgrade: websocket Connection: Upgrade Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw== Sec-WebSocket-Protocol: chat Sec-WebSocket-Version: 13 Origin: http://example.com request

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HTTP/1.1 101 Switching Protocols Upgrade: websocket Connection: Upgrade Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk= Sec-WebSocket-Protocol: chat response

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HTTP/1.1 101 Switching Protocols Upgrade: websocket Connection: Upgrade Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk= Sec-WebSocket-Protocol: chat response

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That’s IT?

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12 years

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HTTP PTTH

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HTTP R e v e rs e

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client server

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POST /reverse HTTP/1.1 Host: server.example.com Upgrade: PTTH/0.9 Connection: Upgrade Origin: http://example.com request

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POST /reverse HTTP/1.1 Host: server.example.com Upgrade: PTTH/0.9 Connection: Upgrade Origin: http://example.com request

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client server

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HTTP/1.1 101 Switching Protocols Upgrade: PTTH/0.9 Connection: Upgrade response

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client server

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client server

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server client

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REAL life

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The Future is not Dead

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The Past is not Dead

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LEARN from the past

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LEARN from the past WATCH the present

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LEARN from the past WATCH the present CREATE the future

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Thank you!

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Thank you! twitter: @cuerbot github: elcuervo

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