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Luke Imhoff limhoff-r7

  • Rapid7, Inc.
  • Austin, TX
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@cloud8421
cloud8421 / count
Created April 22, 2015 13:40
Count query in Ecto
# Given a Message model with a body column
from(m in Message, select: count(m.body)) |> Repo.one
@Myuzu
Myuzu / secure_random.ex
Last active August 7, 2022 20:09
Elixir ruby-like SecureRandom
# UPD from 2018:
# This gist was written for pre-1.0 version of Elixir and won't work on post-1.0 versions.
# You probably consider using something else!
defmodule SecureRandom do
@moduledoc """
Ruby-like SecureRandom module.
## Examples
@jeffyip
jeffyip / rails_json_cookie_session_store.rb
Last active September 23, 2020 07:03
Monkey Patch Ruby on Rails' cookie based session store to use JSON as its serializer instead of Marshal
@mrpunkin
mrpunkin / arel_based.rb
Created March 7, 2012 21:47
Using arel to query SQL functions
dc = Arel::Nodes::NamedFunction.new "DATE", [ p[:created_at] ] ## second argument must be an array
## Sub this...
arel.project("DATE(`photos`.`created_at`)")
## For this...
arel.project(dc.to_sql)
arel.to_sql >> "SELECT DATE(`photos`.`created_at`) FROM `photos` INNER JOIN `votes` ON `photos`.`id` = `votes`.`photo_id`"