spalladino

# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE

chetan

YARD CHEATSHEET http://yardoc.org

May 2020 - updated fork: https://gist.github.com/phansch/db18a595d2f5f1ef16646af72fe1fb0e

cribbed from http://pastebin.com/xgzeAmBn

Templates to remind you of the options and formatting for the different types of objects you might want to document using YARD.

Modules

elderbas

def create_batch(conn, %{"people" => people_params}) do
  changesets = Enum.map(people_params, fn class ->
    Person.changeset(%Person{}, person)
  end)

  result = changesets
           |> Enum.with_index()
           |> Enum.reduce(Ecto.Multi.new(), fn ({changeset, index}, multi) ->
              Ecto.Multi.insert(multi, Integer.to_string(index), changeset)
           end)

erichurst

# MySQL.  Versions 4.1 and 5.0 are recommended.
#
# Install the MySQL driver:
#   gem install mysql2
#
# And be sure to use new-style password hashing:
#   http://dev.mysql.com/doc/refman/5.0/en/old-client.html
development:
  adapter: mysql2
  encoding: utf8

takeit

1. Install osxfuse:

brew cask install osxfuse

2. Reboot your Mac.

3. Install ntfs-3g:

tkfu

[
  {
    "name": "Aboleth",
    "meta": "Large aberration, lawful evil",
    "Armor Class": "17 (Natural Armor)",
    "Hit Points": "135 (18d10 + 36)",
    "Speed": "10 ft., swim 40 ft. ",
    "STR": "21",
    "STR_mod": "(+5)",
    "DEX": "9",

jamesgmarks

DELIMITER //

CREATE FUNCTION BIN_TO_UUID(b BINARY(16))
RETURNS CHAR(36)
BEGIN
   DECLARE hexStr CHAR(32);
   SET hexStr = HEX(b);
   RETURN LOWER(CONCAT(
        SUBSTR(hexStr, 1, 8), '-',
        SUBSTR(hexStr, 9, 4), '-',

MaxLap

#!/usr/bin/env ruby

# A sneaky wrapper around Rubocop that allows you to run it only against
# the recent changes, as opposed to the whole project. It lets you
# enforce the style guide for new/modified code only, as opposed to
# having to restyle everything or adding cops incrementally. It relies
# on git to figure out which files to check.
#
# Here are some options you can pass in addition to the ones in rubocop:
#

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

them0nk

#Model 

@user.should have(1).error_on(:username) # Checks whether there is an error in username 
@user.errors[:username].should include("can't be blank")  # check for the error message 

#Rendering
response.should render_template(:index)

#Redirecting 
response.should redirect_to(movies_path)