dfcarpenter

  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions

dfcarpenter

SELECT
  d.objid::regclass AS owning_object,
  d.refobjid::regclass AS dependent_object,
  a.attname AS dependent_column,
  d.deptype -- The meaning of this type is documented at https://www.postgresql.org/docs/current/catalog-pg-depend.html
FROM pg_catalog.pg_depend d
LEFT JOIN pg_catalog.pg_attribute a ON d.refobjid = a.attrelid
  AND d.refobjsubid = a.attnum
WHERE refobjid = '<table>'::regclass
  AND a.attname = '<column>';

dfcarpenter

SELECT
  relname,
  relfilenode
FROM pg_catalog.pg_class
WHERE relname in (
  '<table>',
  '<index>'
)
-- Order by oid for convenience if you're checking multiple relations.
ORDER BY oid;

dfcarpenter

SELECT
  seq_scan,
  seq_tup_read,
  idx_scan,
  idx_tup_fetch,
  n_tup_ins,
  n_tup_upd,
  n_tup_del
FROM pg_catalog.pg_stat_user_tables
WHERE relname = '<table>';

dfcarpenter

SELECT
  psa.datname as database,
  psa.query as current_query,
  clock_timestamp() - psa.xact_start AS transaction_age,
  array_agg(distinct c.relname) AS tables_with_locks
FROM pg_catalog.pg_stat_activity psa
JOIN pg_catalog.pg_locks l ON (psa.pid = l.pid)
JOIN pg_catalog.pg_class c ON (l.relation = c.oid)
JOIN pg_catalog.pg_namespace ns ON (c.relnamespace = ns.oid)
WHERE psa.pid != pg_backend_pid()

dfcarpenter

dependencies = [
        ('wagtailcore', '0040_page_draft_title'),
        ('wagtailredirects', '0006_redirect_increase_max_length'),
        ('wagtailcore', '0041_group_collection_permissions_verbose_name_plural'),
        ('wagtailforms', '0003_capitalizeverbose'),
        ('taggit', '0002_auto_20150616_2121'),
        ('wagtailimages', '0019_delete_filter'),
    ]
    
    The dependencies are i'm assuming referencing the old way wagtai modules were named.

dfcarpenter

(ns railway-oriented-programming
  "An adaptation of [Railway Oriented Programming](rop) using the
  [Cats](cats) library in Clojure.

  [rop]: http://fsharpforfunandprofit.com/posts/recipe-part2/
  [cats]: https://github.com/funcool/cats"
  (:require [cats.builtin]
            [cats.core :as cats]
            [cats.monad.either :as either]))

dfcarpenter

module Ellie.Ui.CodeEditor
    exposing
        ( Attribute
        , LinterMessage
        , Position
        , Severity(..)
        , linterMessages
        , mode
        , onChange
        , readOnly

dfcarpenter

;; This is the Wikipedia entry example encoded graph.
(def graph {:orig [{:a 1.5 :d 2} 0]
            :a    [{:orig 1.5 :b 2} 4]
            :b    [{:a 2 :c 3} 2]
            :c    [{:b 3 :dest 4} 4]
            :dest [{:c 4 :e 2} 0]
            :e    [{:dest 2 :d 3} 2]
            :d    [{:orig 2 :e 3} 4.5]})

(defn a* [graph orig dest]

dfcarpenter

[uwsgi]
http = :8000
http-keepalive = 1
http-auto-chunked = 1
wsgi-file = config/wsgi_prod.py
master = true
processes = 8
threads = 2
enable-threads = True
gid = 2000