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#!/usr/bin/perl -w

# copyright 2005-2008 Tomasz Pala <gotar@pld-linux.org>
# Contributions by Jan-willem De Bleser, 2013
# license: GPL

# usage:
# watch -d -n1 'tc -s c ls dev imq1 | tccs -f 10 2>/dev/null'

# tccs.rc file format:

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That’s one of the real strengths of Docker: the ability to go back to a previous commit. The secret is simply to docker tag the image you want.

Here’s an example. In this example, I first installed ping, then committed, then installed curl, and committed that. Then I rolled back the image to contain only ping:

$ docker history imagename
IMAGE               CREATED             CREATED BY                SIZE
f770fc671f11        12 seconds ago      apt-get install -y curl   21.3 MB
28445c70c2b3        39 seconds ago      apt-get install ping      11.57 MB
8dbd9e392a96        7 months ago                                  131.5 MB

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Duckr App

Changes to work with the lastest version of React (v15.6) and React Router (v4.1) when building the Duckr application from the Redux course

You can find the my current version of the app here

Optional

• I used BrowserRouter as router and used BrowserHistory instead of hashHistory, changes needs to be made in the routes.js file

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### Installing global Python & Pip Use Brew brew install python

That'll install both Python, PIP and setuptools. If for some reason it didn't install PIP you can do via

curl https://bootstrap.pypa.io/get-pip.py > get-pip.py
sudo python get-pip.py

c/f MacOSX setup gitbook

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{
    "auto_complete_commit_on_tab": true,
    "color_scheme": "Packages/Oceanic Next Color Scheme/Oceanic Next.tmTheme",
    "draw_white_space": "all",
    "font_face": "Fira Mono",
    "font_size": 20,
    "tab_size": 2,
    "theme": "Brogrammer.sublime-theme",
    "translate_tabs_to_spaces": true,
    "trim_automatic_white_space": true,

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[Country(alpha_2=u'AW', alpha_3=u'ABW', name=u'Aruba', numeric=u'533'),
  Country(alpha_2=u'AF', alpha_3=u'AFG', name=u'Afghanistan', numeric=u'004', official_name=u'Islamic Republic of Afghanistan'),
  Country(alpha_2=u'AO', alpha_3=u'AGO', name=u'Angola', numeric=u'024', official_name=u'Republic of Angola'),
  Country(alpha_2=u'AI', alpha_3=u'AIA', name=u'Anguilla', numeric=u'660'),
  Country(alpha_2=u'AX', alpha_3=u'ALA', name=u'\xc5land Islands', numeric=u'248'),
  Country(alpha_2=u'AL', alpha_3=u'ALB', name=u'Albania', numeric=u'008', official_name=u'Republic of Albania'),
  Country(alpha_2=u'AD', alpha_3=u'AND', name=u'Andorra', numeric=u'020', official_name=u'Principality of Andorra'),
  Country(alpha_2=u'AE', alpha_3=u'ARE', name=u'United Arab Emirates', numeric=u'784'),
  Country(alpha_2=u'AR', alpha_3=u'ARG', name=u'Argentina', numeric=u'032', official_name=u'Argentine Republic'),
  Country(alpha_2=u'AM', alpha_3=u'ARM', name=u'Armenia', numeric=u'051', official_name=u'Republic of Armenia'),

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import base64
import hashlib
import hmac
import json

from flask import Flask, jsonify, request

app = Flask(__name__)