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One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

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## original is on https://gist.github.com/reedobrien/701444
## it's newer version (works on python 3)
## code may contain bugs, check carefully

import deform
import deform.widget
from deform.widget import CheckedInputWidget
from colander import null, Invalid
from pyramid.threadlocal import get_current_request

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;; original @link https://gist.github.com/codification/1984857

(ns proc
  (:import [java.lang ProcessBuilder])
  (:use [clojure.java.io :only [reader writer]]))

(defn spawn [& args]
  (let [process (-> (ProcessBuilder. args)
                  (.start))]
    {:out (-> process

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console