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#! /bin/sh | |
### BEGIN INIT INFO | |
# Provides: supervisord | |
# Required-Start: $remote_fs | |
# Required-Stop: $remote_fs | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: Example initscript | |
# Description: This file should be used to construct scripts to be | |
# placed in /etc/init.d. |
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[unix_http_server] | |
file=/tmp/supervisor.sock ; path to your socket file | |
[supervisord] | |
logfile=/var/log/supervisord/supervisord.log ; supervisord log file | |
logfile_maxbytes=50MB ; maximum size of logfile before rotation | |
logfile_backups=10 ; number of backed up logfiles | |
loglevel=error ; info, debug, warn, trace | |
pidfile=/var/run/supervisord.pid ; pidfile location | |
nodaemon=false ; run supervisord as a daemon |
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#!/usr/bin/env python | |
__author__ = 'Frank Smit <[email protected]>' | |
__version__ = '0.1.0' | |
import functools | |
import psycopg2 | |
from tornado.ioloop import IOLoop, PeriodicCallback |
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import multiprocessing | |
# The socket to bind. | |
bind = "127.0.0.1:8080" | |
# The maximum number of pending connections. | |
backlog = 2024 | |
# The number of worker process for handling requests | |
workers = multiprocessing.cpu_count() * 2 + 1 | |
# The type of workers to use. (sync|eventlet|gevent|tornado) | |
worker_class = 'gevent' |
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#!/bin/sh | |
# http://nathanvangheem.com/news/gunicorn-startup-script-for-django | |
# Place the script in the file - /etc/init.d/gunicorn or whatever you'd like to call it | |
# make it executable - chmod +x /etc/init.d/gunicorn | |
# And finally, wire it up - update-rc.d gunicorn defaults | |
ADDRESS='127.0.0.1' | |
PYTHON="/opt/django/bin/python" | |
GUNICORN="/opt/django/bin/gunicorn_django" |
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from time import sleep | |
from tornado.httpserver import HTTPServer | |
from tornado.ioloop import IOLoop | |
from tornado.web import Application, asynchronous, RequestHandler | |
from multiprocessing.pool import ThreadPool | |
_workers = ThreadPool(10) | |
def run_background(func, callback, args=(), kwds={}): | |
def _callback(result): |
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using System; | |
using System.Collections.Generic; | |
using System.IO; | |
using System.Linq; | |
using System.Text; | |
namespace SuffixTreeAlgorithm | |
{ | |
public class SuffixTree | |
{ |
The following books are ordered in descending order of Matthew's preference.
by Avinash K. Dixit
Recommended by Ted Neward. A different perspective and writing style from the other volumes listed.
“I am hard pressed to think of another book that can match the combination of practical insights and reading enjoyment.”—Steven Levitt
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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