azuby

package io.realm.example;

import io.realm.RealmObject;

public class Dog extends RealmObject {

    private String name;

    public String getName() {
        return name;

azuby

package io.realm.example;

import io.realm.RealmObject;

public class Dog extends RealmObject {

    private String name;

    public String getName() {
        return name;

azuby

package io.realm.example;

import io.realm.RealmObject;

public class Dog extends RealmObject {

    private String name;

    public String getName() {
        return name;

azuby

Starts working at 7am at Job A
Starts travelling at 8am from Job A
Starts working at 9am at Job B
Finished for the day at 3pm



| datetime | activity | job_id | duration | adjusted_dateimte | adjusted_duration
+----------+---------------+--------+
  7am        work           1       1              9am              0 (9am - 8am)

azuby

Method A: Carrier - Poor Location Precision, Secure

Method B: Client(phone) - High Location Precision, Insecure (Can be spoofed)

Option 1: Improve precision of Method A (Carrier Location)

• Supports all phones on Tier 1 carriers
• Find and correct for inaccuracy patterns

Option 2: Prevent spoofing of Method B (Client Location)

• Supports smart phones on all carriers
• Possible spoof prevention: http://stackoverflow.com/questions/6623945/check-if-geo-location-has-been-spoofed

azuby

class Diagnosis < ActiveRecord::Base
  has_and_belongs_to_many :prescriptions
  has_many :patients, :through=>:prescriptions
end

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class Message < ActiveRecord::Base
  belongs_to :user
  # accepts_nested_attributes_for :user
end

azuby

  def self.active
    s = arel_table where(
      s[:begins_at].lteq(Time.now.utc).or(s[:begins_at].eq(nil)),
      s[:ends_at].gt(Time.now.utc).or(s[:ends_at]).eq(nil))
    )
  end

  def self.active
    s = arel_table.where(
      s[:begins_at].lteq(Time.now.utc).or(s[:begins_at].eq(nil)),

azuby

validates :superiority

def superiority
  User.find(superior_id).company_id ==  User.find(inferior_id).company_id
end

# Karpah's method


validates :superior_id, :if => "User.find(superior_id).company_id ==  User.find(inferior_id).company_id"