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const std = @import("std");
const io = std.io;
const assert = std.debug.assert;

// This example shows one possible way to approach Polymorphism in Zig
// using dynamic dispatch.
//
// Largely inspired by:
// - std/mem/Allocator.zig
// https://github.com/ziglang/zig/blob/77836e08a2384450b5e7933094511b61e3c22140/lib/std/mem/Allocator.zig#L55

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# Huffman Encoder/Decoder
#
# usage:
# To encode a string:
# > encode_string("foo foo bar")
# It returns an encoding table and the encoded text (TODO)
#
# https://engineering.purdue.edu/ece264/17au/hw/HW13?alt=huffman

TreeValue = Struct.new(:character, :frequency)

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package amazon

import (
    "net/url"
    "strings"
    "fmt"
    "regexp"
    "time"
    "crypto/hmac"
    "crypto/sha256"

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METACLASS_TXT = """
Hello, I am {} metaclass!
I am now creating '{}' class, child of '{}',
having the following class attributes:
{}
"""

class OCPRobotMeta(type):
    def __new__(cls, name, bases, attrs):
        """new is called for the creation of a new class"""

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# inspired by
# Master NGINX - Dimitri Aivaliotis
# http://www.amazon.com/Mastering-NGINX-Dimitri-Aivaliotis-ebook/dp/B00B90PJR4
# Chapter 8 - Switching binaries at runtime

# We get the pid of the 'to be replaced' nginx master process
export nginx_old_pid=`cat /var/run/nginx.pid`

# we send an USR2 signal to tell 'to be replaced' process
# to start a new master process.

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package main

import (
    "fmt"
    "log"

    "flag"

    "strings"

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import tornado.ioloop
import tornado.web
import tornado.auth
import tornado.gen

from tornado import escape, httpclient
from tornado.options import parse_command_line, define, options

try:
    import urllib.parse as urllib_parse  # py3

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import tornado.ioloop
import tornado.web
import tornado.auth
import tornado.gen
 
from tornado.options import parse_command_line, define, options
 
define("port", default=8888)
define("debug", default=False)

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import tornado.ioloop
import tornado.web
 
from tornado.options import parse_command_line, define, options
 
define("port", default=8888)
define("debug", default=False)

class AuthHandler(tornado.web.RequestHandler):
    def get(self):

andreadipersio

import tornado.ioloop
import tornado.web
 
from tornado.options import parse_command_line, define, options
 
define("port", default=8888)
define("debug", default=False)

class AuthHandler(tornado.web.RequestHandler):
    def get(self):