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class User < ActiveRecord::Base | |
scope :in_time_zones, -> { |zones| where(time_zone_name: zones) } | |
def self.unique_time_zone_names | |
select("DISTINCT time_zone_name").pluck(:time_zone_name).compact | |
end | |
end |
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require 'TZInfo' | |
class TimeZoneSearch | |
def initialize(zones_to_search) | |
@zones_to_search = zones_to_search | |
end | |
def zones_with_local_hour(hour_to_match, utc_time = Time.now.utc.to_datetime) | |
zone_matches = [] | |
utc_minute = utc_time.minute |
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require 'TZInfo' | |
today = Time.now | |
(0..23).each do |hour| | |
(0..45).each do |minute| | |
utc_time_to_check = Time.utc(today.year, today.month, today.day, hour, minute, 0) | |
TZInfo::Timezone.all_identifiers.each do |zone_name| | |
local_tz = TZInfo::Timezone.get(zone_name) | |
local_time = local_tz.utc_to_local(utc_time_to_check).to_datetime | |
if local_time.minute == 0 && local_time.hour == 8 |
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class Matrix | |
def initialize(numbers) | |
@numbers = numbers | |
end | |
def rows | |
@rows ||= @numbers.split("\n").map{ |row| row.split.map(&:to_i) } | |
end | |
def columns |
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# Search all zones for 8:00am. | |
(0..23).each do |hour| | |
[0, 15, 30, 45].each do |minute| | |
utc_time_to_check = Time.utc(2014, 6, 28, hour, minute, 0) | |
TZInfo::Timezone.all_identifiers.each do |zone_name| | |
local_tz = TZInfo::Timezone.get(zone_name) | |
local_time = local_tz.utc_to_local(utc_time_to_check).to_datetime | |
if local_time.minute == 0 && local_time.hour == 8 | |
puts utc_time_to_check.strftime("%H:%M") + ' UTC => ' + local_time.strftime("%H:%M") + ' in ' + zone_name | |
end |
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class Pet < ActiveRecord::Base | |
as_enum :species, {:cat => 0, :dog => 1, :other => 2}, :prefix => true | |
as_enum :status, {:lost => 0, :found => 1}, :prefix => true | |
validates :name, :description, :zip, :species_cd, presence: true | |
validates :zip, numericality: { only_integer: true} | |
has_attached_file :avatar, :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/images/:style/missing.png" | |
validates_attachment_content_type :avatar, :content_type => /\Aimage\/.*\Z/ |
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# http://henrik.nyh.se/2008/12/git-dirty-prompt | |
# http://www.simplisticcomplexity.com/2008/03/13/show-your-git-branch-name-in-your-prompt/ | |
# username@Machine ~/dev/dir[master]$ # clean working directory | |
# username@Machine ~/dev/dir[master*]$ # dirty working directory | |
function parse_git_dirty { | |
[[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*" | |
} | |
function parse_git_branch { | |
git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(parse_git_dirty)]/" |
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Person = function(name) { | |
this.name = name; | |
} | |
var thomas = new Person('Thomas'); | |
var amy = new Person('Amy'); | |
Person.prototype.getName = function() { | |
return this.name; | |
} |
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Function.prototype.cache = function(){ | |
var _cache = {}; | |
// var key = function(args) { | |
// return 'x' + args.join(''); | |
// } | |
var key = function(args) { | |
var sig = 'x', index = args.length; | |
while (index--) { |
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Function.prototype.cache = function(){ | |
var _cache = {}; | |
var key = function(args) { | |
var sig = 'x', index = args.length; | |
while (index--) { | |
sig += args[index].toString(); | |
} | |
return sig; | |
} |