Windy City Rails 2013: Rails vs. Object Oriented Design

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Rails vs. OOP Noel Rappin Table XI September 13th, 2013

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd def publish(time = Time.now) update_attribute :published_at, time end

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd def publish(time = Time.now) update_attribute :published_at, time end

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd def publish(time = Time.now) update_attribute :published_at, time end This parameter is an essential part of a complex system. This parameter is the beginning of an over- architected system

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd This is not BDUF, this is BAU (business as usual)

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Dependency Injection, Data Context Interaction, Service Oriented Architecture

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd When does a practice become normal?

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Rails vs. OOP Noel Rappin Table XI September 13th, 2013

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Structure vs. Simplicity

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd A 10-step, idiosyncratic, history of web programming

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 1: CGI Perl

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 2: Templating PHP, ASP, ColdFusion <%= =>

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 3: Java

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 4: Me

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd The Little Web Engine That Could

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 5: Rails 1.0 released

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 6:

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 7: Jay Fields Presenter

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 8: Rails 1.2 REST

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 9: James Golick Crazy, Heretical, and Awesome

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Service objects Dependency injection

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Step 10: Objects on Rails Clean Ruby

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Model View Controller

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Model Logic View Controller Presenter Resource Resource Service Persist Model Role

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Bonus Step 11: Noel Explains it All to WindyCityRails

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Math! (sort of)

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Do I add structure? Will I need the structure?

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd YES Structure Needed No Structure Not Needed YES Structure Added NO Structure Not Added YAY! Savings Wasted cost Wasted Cost No Impact

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Break even = Cost Savings

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd def publish(time = Time.now) update_attribute :published_at, time end The cost of this parameter is so low, I can afford to put it in. Right now, the savings I see for adding this are zero.

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd You can't defeat complexity, you can only hope to contain it

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Reduce cognitive load

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Deal with components in isolation

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Meaningful names

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd Testability is a legitimate engineering goal

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd AYGNI?

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd In process, less is better than more

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd In code, a little too much is better than a little too little

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd

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http://www.tablexi.com http://www.noelrappin.com/mstwjs http://www.noelrappin.com/trdd http://www.noelrappin.com/trdd http://www.noelrappin.com/mstwjs