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/*
In the node.js intro tutorial (http://nodejs.org/), they show a basic tcp 
server, but for some reason omit a client connecting to it.  I added an 
example at the bottom.

Save the following server in example.js:
*/

var net = require('net');

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// @credit: http://stackoverflow.com/questions/8609289/convert-a-binary-nodejs-buffer-to-javascript-arraybuffer

// From Buffer to ArrayBuffer:

function toArrayBuffer(buffer) {
    var ab = new ArrayBuffer(buffer.length);
    var view = new Uint8Array(ab);
    for (var i = 0; i < buffer.length; ++i) {
        view[i] = buffer[i];
    }

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'use strict';

// The purpose of this example is to show
// how you can block the event loop with JavaScript.
// There is 3 routes
// / respond with Hello, World text
// /block uses JavaScript while for 5 seconds
// /non-block uses setTimeout for 5 seconds

// Do the following

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#!/usr/bin/env python
#-*-coding:utf-8 -*-
#
#Author: alex alex8224 at gmail.com
#Create by:2015-08-11 15:50:21
#Last modified:2015-10-10 09:19:05
#Filename:server.py
#Description:
from __future__ import absolute_import
import os

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Gittr.rb

Git as a key-value store! Build with Grit, it supports SET, GET, KEYS, and DELETE operations. In addition, we can also get the change history of key/values.

And since it's Git, we can easily enhance it to include other awesome Git features such as branches, diffs, reverting, and more!

Example:

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#!/usr/bin/env python
# coding: utf-8

import os
import shlex
from subprocess import Popen, PIPE


def execute_in_virtualenv(virtualenv_name, commands):
    '''Execute Python code in a virtualenv, return its stdout and stderr.'''

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Installing Python 3.5 on Raspbian

As of October 2016, Raspbian does not yet include the latest Python release, Python 3.5. This means we will have to build it ourselves, and here is how to do it.

1. Install the required build-tools (some might already be installed on your system).

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Generate ssh public keypair

$ cd ~/.ssh
$ ssh-keygen -t rsa -C "EMAIL"
Filename: EMAIL
Passphrase: choose appropriate passphrase
$ ssh-add EMAIL

Enable ssh-agent

$ ssh-agent bash

$ ssh-add ~/.ssh/id_rsa

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# recursive_dictionary.py
#   Created 2009-05-20 by Jannis Andrija Schnitzer.
#
# Copyright (c) 2009 Jannis Andrija Schnitzer
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is

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Open FileMerge from command line

opendiff

If the command-line doesn't work, and you have no /Developer directory anymore, you probably need to: 
sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer