dankrause

CREATE TABLE test
(
  id INTEGER,
  parent INTEGER
);


INSERT INTO test (id, parent) VALUES
  (1, NULL),
  (2, 1),

thomasdarimont

package demo.plain;

import org.keycloak.OAuth2Constants;
import org.keycloak.admin.client.CreatedResponseUtil;
import org.keycloak.admin.client.Keycloak;
import org.keycloak.admin.client.KeycloakBuilder;
import org.keycloak.admin.client.resource.RealmResource;
import org.keycloak.admin.client.resource.UserResource;
import org.keycloak.admin.client.resource.UsersResource;
import org.keycloak.representations.idm.ClientRepresentation;

gilyes

Backup:
docker exec -t -u postgres your-db-container pg_dumpall -c > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql

Restore:
cat your_dump.sql | docker exec -i your-db-container psql -Upostgres

cb372

Category theory jargon cheat sheet

A primer/refresher on the category theory concepts that most commonly crop up in conversations about Scala or FP. (Because it's embarassing when I forget this stuff!)

I'll be assuming Scalaz imports in code samples, and some of the code may be pseudo-Scala.

Functor

A functor is something that supports map.

baig

#!/usr/bin/env runhaskell

{-
The MIT License (MIT)

Copyright (c) 2015 Wasif Hasan Baig <pr.wasif@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights

lshoo

package slicks.docs.dao

import scala.slick.driver.PostgresDriver.simple._
import scala.slick.driver._


trait Profile {
  val profile: JdbcProfile
}

xuanlongma

If multiple input files are given, pandoc will concatenate them all (with blank lines between them) before parsing. -- from Pandoc website

Pandoc command: pandoc -s input1.md input2.md input3.md -o output.html

akoskovacs

module MyList where

data MyList a = Cons a (MyList a) 
                | MyNil deriving (Show, Eq)
{-
 A simple linked list module
  Some examples: 
	mylist = (Cons 10 (Cons 99 (Cons 11 (Cons 1 MyNil))))
	myHead myList                       # => 10
	myTail myList                       # => Cons 99 (Cons 11 (Cons 1 MyNil))