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# This gist is from
# https://reasoniamhere.com/2014/01/11/outrageously-useful-tips-to-master-your-z-shell/

cd ${TMP:-/tmp}

# create the folder structure
mkdir -p zsh_demo/{data,calculations}/africa/{kenya,malawi}/ \
		 zsh_demo/{data,calculations}/europe/{malta,poland}/ \
		 zsh_demo/{data,calculations}/asia/{nepal,laos}/

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#!/usr/bin/env zsh

hooks=(chpwd periodic precmd preexec zshaddhistory zshexit)

for hook in $hooks; do
  # First eval the hook function, stored as string
  eval "hook_func_str=$\"${hook}_functions\""
  # [expansion rule](http://zsh.sourceforge.net/Doc/Release/Expansion.html#Rules)
  # [Parameter expansion flags](http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags)
  eval "hookfunc=\"${hook_func_str}\""

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# Example from traitlets documentation

from traitlets import Bool, HasTraits, Int, TraitError, observe, validate


class Parity(HasTraits):
    value = Int()
    parity = Int()

    @validate("value")

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#!/usr/bin/env python
import pika, sys, os

def main():
    connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
    channel = connection.channel()

    channel.queue_declare(queue='hello')

    def callback(ch, method, properties, body):