sorentwo

System.cmd("npm", ["run", "watch", "--prefix", "assets"], stderr_to_stdout: true, into: IO.stream(:stdio, :line))

sorentwo

### Keybase proof

I hereby claim:

  * I am sorentwo on github.
  * I am sorentwo (https://keybase.io/sorentwo) on keybase.
  * I have a public key whose fingerprint is 9A47 77D5 4D4D 16A1 AAB1  A62D AE4E 59A6 0C64 50AA

To claim this, I am signing this object:

sorentwo

# Form
<input type="hidden" name="_csrf_token" value="<%= @conn.req_cookies["_csrf_token"] %>"/>
<input type="hidden" name="_csrf_token" value="<%= csrf_token(@conn) %>"/>

# First input has the csrf_token value, second input value is blank

# Inside view module, IO.puts prints an empty map %{}
def csrf_token(conn) do
  IO.puts inspect(conn.resp_cookies)
  conn.resp_cookies["_csrf_token"]

sorentwo

require 'readthis/expanders'
require 'perforated'

class PerforatedSerializer
  attr_reader :relation, :scope, :serializer, :options

  def initialize(relation, options = {})
    @relation   = relation
    @scope      = options.fetch(:scope)
    @serializer = options.fetch(:each_serializer)

sorentwo

var extend       = require('./utils/extend');
var merge        = require('./utils/merge');
var mixin        = require('./utils/mixin');
var EventEmitter = require('events').EventEmitter;

var Model = function(attributes, options) {
  mixin(this);

  options = options || {};

sorentwo

Calculating -------------------------------------
        oj:hash:dump     1.047k i/100ms
      json:hash:dump   833.000  i/100ms
      ruby:hash:dump   719.000  i/100ms
-------------------------------------------------
        oj:hash:dump     10.622k (± 6.5%) i/s -     53.397k
      json:hash:dump      8.478k (± 5.0%) i/s -     42.483k
      ruby:hash:dump      7.376k (± 6.7%) i/s -     37.388k

Comparison:

sorentwo

-- bgwriter
SELECT checkpoints_timed FROM pg_stat_bgwriter;
SELECT checkpoints_req FROM pg_stat_bgwriter;
SELECT write_time FROM pg_stat_bgwriter;
SELECT sync_time FROM pg_stat_bgwriter;
SELECT buffers_checkpoint FROM pg_stat_bgwriter;
SELECT buffers_clean FROM pg_stat_bgwriter;
SELECT maxwritten_clean FROM pg_stat_bgwriter;
SELECT buffers_backend FROM pg_stat_bgwriter;
SELECT buffers_backend_fsync FROM pg_stat_bgwriter;

sorentwo

class CORSHeaders
  ACCESS_CONTROL_HEADERS = {
    'Access-Control-Allow-Origin'   => '*',
    'Access-Control-Allow-Methods'  => 'OPTIONS,GET,PATCH,PUT,POST,DELETE',
    'Access-Control-Expose-Headers' => '',
    'Access-Control-Max-Age'        => '1728000',
    'Content-Type'                  => 'text/plain'
  }.freeze

  def initialize(app)

sorentwo

WITH linked AS (
  SELECT id,
         lead(id) OVER(ORDER BY id DESC) AS next_id,
         lag(id)  OVER(ORDER BY id ASC)  AS prev_id
  FROM snippets
  WHERE snippets.mission_id = $1
)
SELECT snippets.* FROM snippets, linked WHERE linked.id = $2 AND snippets.id = linked.next_id;

sorentwo

The first pass writes and the second pass reads.

10_000 Objects:

       user     system      total        real
memory-1  1.240000   0.010000   1.250000 (  1.252629)
memory-2  0.110000   0.000000   0.110000 (  0.114169)
redis-1  1.930000   0.230000   2.160000 (  2.300067)
redis-2  0.210000   0.010000   0.220000 (  0.222959)
dalli-1  1.470000   0.090000   1.560000 (  1.574031)