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(ns aud_cas.print_fields
  (:use cascalog.api)
  (:require [clojure.string :as str])
  )

(defn parse_input_record
  "Parse the text of the input record into fields in a map"
  [input_record]
  (let [prefix_string (get (str/split input_record #"\: ") 0)
        prefix_pairs (str/split prefix_string #" ")

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(ns cascalog.conj.tunisia
  (:use [cascalog api playground])
  (:use [cascalog.contrib.incanter])
  (:use [cascalog.util :only [collectify]])
  (:use [clojure.contrib.def :only [defnk]])
  (:require [cascalog [ops :as c] [vars :as v]])
  (:require [clojure.data [json :as json]]))

(bootstrap-emacs)

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Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors

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<div class="navbar navbar-default">
  <div class="navbar-header">
    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-responsive-collapse">
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
    </button>
    <a class="navbar-brand" href="#">Brand</a>
  </div>
  <div class="navbar-collapse collapse navbar-responsive-collapse">

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Setup
-----

git clone <repo>
  clone the repository specified by <repo>; this is similar to "checkout" in
  some other version control systems such as Subversion and CVS

Add colors to your ~/.gitconfig file:

  [color]

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sudo apt-get install openjdk-7-jre -y
echo "deb http://debian.datastax.com/community stable main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list
curl -L http://debian.datastax.com/debian/repo_key | sudo apt-key add -
sudo apt-get install dsc21 -y --force-yes
sudo service cassandra status

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(ns example.errors)

(defn clean-address [params]
  "Ensure (params :address) is present"
  (if (empty? (params :address))
    [nil "Please enter your address"]
    [params nil]))

(defn clean-email [params]
  "Ensure (params :email) matches *@*.*"

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# Add Docker PPA and install latest version
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
sudo sh -c "echo deb https://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list"
sudo apt-get update
sudo apt-get install lxc-docker -y

# Install fig
sudo sh -c "curl -L https://github.com/docker/fig/releases/download/1.0.0/fig-`uname -s`-`uname -m` > /usr/local/bin/fig"
sudo chmod +x /usr/local/bin/fig

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• user signs up with email and password:

  • if the email exists, validation error.
  • if the email is linked to a facebook account, they'll see the "merge?" box when they try to link later
  • if the email doesn't exist, create the account!
    • Username is auto-generated
    • we send a welcome! email
    • we send a verification email

• user decides to link a Facebook account:

• when the user clicks on the "Link Facebook" link in profile, login with javascript SDK

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import redis
import sys

r = redis.StrictRedis('localhost',6379)

def delete(pattern='a*'):
    print [r.delete(k) for k in r.keys(pattern)]

if __name__ == "__main__":
    pattern = sys.argv[1] if len(sys.argv)>1 else "a*"