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Objectives

An HBase schema that is well-suited to our dashboard's access patterns and can easily answer the questions we'll ask.

Common questions from our initial dashboard iteration

• What are the daily sum/average metrics for the last 30 days for this location?
• What are the daily sum/average metrics for the last 30 days for this list of locations?

Common questions from our eventual dashboard

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db.reportResults912ec803b2ce49e4a541068d495ab570
    .find(function() { 
    	for (var field in this) {
            if (field.match(/search string/i)) {
                return true;
      	    };
    	}
    });

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def sorted_key_list(*hashes)
  if (result = hashes.map(&:keys).flatten.uniq.sort.map(&:to_s).join(', ')) == ''
    '<none>'
  else  
    result
  end
end

sorted_key_list({ key1: 1, key2: 2, commonkey: 5 },
                { key3: 3, key4: 4, commonkey: 5 }) # => 'commonkey, key1, key2, key3, key4'

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# -*- coding: utf-8 -*-
$:.unshift("/Library/RubyMotion/lib")
require 'motion/project'

Motion::Project::App.setup do |app|
  # Use `rake config' to see complete project settings.
  app.name = 'core-midi-test'
  app.frameworks << 'CoreMIDI'
end

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$ rake --trace
** Invoke default (first_time)
** Invoke simulator (first_time)
** Invoke build:simulator (first_time)
** Execute build:simulator
/usr/bin/env VM_KERNEL_PATH="/Library/RubyMotion/data/6.0/iPhoneSimulator/kernel-i386.bc" VM_OPT_LEVEL="0" /Library/RubyMotion/bin/ruby --uses-bs "/Library/RubyMotion/data/6.0/BridgeSupport/RubyMotion.bridgesupport"  --uses-bs "/Library/RubyMotion/data/6.0/BridgeSupport/UIKit.bridgesupport"  --uses-bs "/Library/RubyMotion/data/6.0/BridgeSupport/CoreVideo.bridgesupport"  --uses-bs "/Library/RubyMotion/data/6.0/BridgeSupport/CoreImage.bridgesupport"  --uses-bs "/Library/RubyMotion/data/6.0/BridgeSupport/Security.bridgesupport"  --uses-bs "/Library/RubyMotion/data/6.0/BridgeSupport/Foundation.bridgesupport"  --uses-bs "/Library/RubyMotion/data/6.0/BridgeSupport/CoreGraphics.bridgesupport"  --uses-bs "/Library/RubyMotion/data/6.0/BridgeSupport/CoreFoundation.bridgesupport"  --uses-bs "/Library/RubyMotion/data/6.0/BridgeSupport/ImageIO.bridgesupport"  --uses-bs "/Library/

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# to be used only for local debugging

LK_ENABLE_TRACE = false 

if LK_ENABLE_TRACE && Rails.env.development?

  require 'thread'

  class LkTracer
    def initialize

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[ Launch Inlet ]Gist #4093993

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[ Launch Inlet ]Gist #3200444

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[ Launch Inlet ]Gist #3200444

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[ Launch Inlet ]Gist #4008136 [ Launch Inlet ]Gist #4008030 [ Launch Inlet ]Gist #3200444