dskecse

module Positionable
  extend ActiveSupport::Concern

  included do
    scope :by_position, -> { order("#{table_name}.position ASC") }
    # or default_scope
  end
end

dskecse

matches = dict(['()', '[]', '{}'])
print(matches)
# {'(': ')', '[': ']', '{': '}'}

dskecse

from collections import defaultdict

dict = defaultdict(lambda : 0)
dict["a"]
# => 0
dict.keys()
# => dict_keys(['a'])
print(dict.get("b"))
# => None
dict.keys()

dskecse

def prime?(n)
  return false if n <= 1

  i = 2
  while i * i <= n
    return false if n % i == 0
    i += 1
  end
  true
end

dskecse

#!/bin/bash

# Function to display usage information
usage() {
    echo "Usage: $0 /path/to/input.mp4 [ /path/to/output_directory ]"
    exit 1
}

# Check if at least one argument (input file) is provided
if [ $# -lt 1 ]; then

dskecse

# 1. download a copy of prod db to localhost

# connect to remote redis database and
# download a snapshot of the entire database
# to a local file on your filesystem

# via https://stackoverflow.com/a/61365048/625840
# docs https://redis.io/docs/manual/cli/#remote-backups-of-rdb-files

redis-cli -u $PROD_REDIS_URL --rdb dump.rdb