godfat

require 'sequel'

module FasterSequelTimeParser # from activerecord
  module_function
  def parse string
    string =~ /\A(\d{4})-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)(\.\d+)?\z/
    microsec = ($7.to_r * 1_000_000).to_i
    ::Time.utc($1.to_i, $2.to_i, $3.to_i, $4.to_i,
               $5.to_i, $6.to_i, microsec)
  end

godfat

net/http:
https://github.com/jnunemaker/httparty
https://github.com/rest-client/rest-client
https://github.com/lostisland/faraday
https://github.com/drbrain/net-http-persistent

ruby:
https://github.com/excon/excon
https://github.com/httprb/http
https://github.com/nahi/httpclient

godfat

Rails.application.config.after_initialize do
  ActiveSupport.on_load(:active_record) do
    oid = ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::OID

    # https://github.com/rails/rails/blob/v4.2.3/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
    oid::Jsonb = Class.new(oid::Json) do
      def type
        :jsonb
      end

godfat

dataset_module do
  # User.one_to_one(:auth)
  # User.eager_cursor(1000, :auth) do |user|
  #   user.auth # no additional query
  # end
  def eager_cursor rows_per_fetch=1000, *associations
    cursor = use_cursor(rows_per_fetch: rows_per_fetch)
    cursor.each_slice(rows_per_fetch) do |records|
      associations.each do |assoc|
        refl = model.association_reflection(assoc)

godfat

class User < Struct.new(:enable_email, :email)
  extend Validator
  validate :email, v.present(:enable_email) & v.match(:email, /[^@]+@[^@]+/)
end

User.new(true, 'a@b').check

godfat

WITH RECURSIVE results(id, i, picked, roll) AS (
  WITH bounds AS (SELECT min(id), max(id) - min(id) AS delta FROM table)
  (
    SELECT NULL::integer
    ,      0
    ,      ARRAY[]::integer[]
    ,      min + round(delta * random())
      FROM bounds
  )
  UNION ALL

godfat

class MigrateCookie < Struct.new(:app)
  def call env
    cookies = Rack::Utils.parse_query(env['HTTP_COOKIE'], ';,')
    case cookies['_session_id']
    when Array
      status, headers, body = app.call(env)
      headers['Set-Cookie'] =
        "#{headers['Set-Cookie']}\n#{expire_old_session}"
      [status, headers, body]
    else

godfat

x-smtpapi: {"filters":{"templates":{"settings":{"enable":1,"template_id":"template-1"}}},
            "section":{":name":"Alice",":message":"this is Bob."}}
html: <%template-2%>

godfat

"Lin Jen Shin (godfat) is a programmer who loves computer games, open source, Haskell and self-referential jokes, such as: %p=~/(.+)/;puts(($1%%$1)[/: (.+)/,1])"=~/(.+)/;puts(($1%$1)[/: (.+)/,1])

godfat

#!/bin/sh

echo RAILS_ENV={development,test} | xargs -n1 -P2 rake db:migrate
echo 'rake db:structure:dump,rake db:schema:dump' | xargs -d, -n1 -P2 sh -c
cp db/structure.sql db/schema.sql