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Rate limiting with Redis

June 2011 - Chris O'Hara - (archived original post)

Rate limiting can be an effective way of conserving resources and preventing automated or nefarious activities on your site.

A common use case is to limit the amount of requests an IP can make over a certain time frame. For example, you might want to restrict users from using an expensive search utility on your site. If the user attempts to search more than 5 times a minute, you can redirect them to another page informing them that they need to wait.

IP based rate limiting is already in use on larger sites. Google and Yahoo both employ the technique to prevent (or at least complicate) automated requests to their services.

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# Change Java Runtime:
sudo update-alternatives --config java

# Delete Open-JDK
sudo apt-get purge openjdk-\* icedtea-\* icedtea6-\*

# Change fonts - remove hinting:
http://askubuntu.com/questions/32624/ugly-fonts-in-netbeans-how-can-i-make-it-use-the-system-font

# Change RubyMine AntiAliasing first:

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#!/bin/bash

# Author: Erik Kristensen
# Email: erik@erikkristensen.com
# License: MIT
# Nagios Usage: check_nrpe!check_docker_container!_container_id_
# Usage: ./check_docker_container.sh _container_id_
#
# The script checks if a container is running.
#   OK - running

codemedic

How to use kickstart in VirtualBox

This short howto describes how to install VMs via kickstart in VirtualBox. It's using PXE functionality built into the NAT network mode of the VirtualBox. The following instructions apply to CentOS installation but it should work for any RedHat-based distro.

Prepare directory structure

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/**
 * jQuery Plugin: Table of Contents with Smooth Scrolling
 * @link    http://www.1stwebdesigner.com/css/jquery-plugin-smooth-scrolling/
 * @author  Rochester Oliveira
 */

(function($){
    $.fn.stoc = function(options) {
        //Our default options
        var defaults = {

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<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>

	<!--
		Documented at
		http://linux.die.net/man/5/fonts-conf
			
		To check font mapping run the command at terminal
		$ fc-match 'helvetica Neue'

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<?php
/*
OCP - Opcache Control Panel   (aka Zend Optimizer+ Control Panel for PHP)
Author: _ck_   (with contributions by GK, stasilok, n1xim, pennedav, kabel)
Version: 0.2.0
Free for any kind of use or modification, I am not responsible for anything, please share your improvements

* revision history
0.2.0  0000-00-00  Updated page layout/styles and restructure code to be more MVC-like (kabel)
                   implemented HTTP Basic authentication (pennedav)

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<?php
// Crude check. Off course this should be stored in a (memory) database. $token is an
// access token that is provided by oauth.

$token = $_SERVER['HTTP_X_AUTH_TOKEN'];

if ($token == "mellon") {
  header("X-Api-User: Gandalf");
  header("X-Api-Context: Middle-Earth");
  header("Cache-Control: public, max-age=120");

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#ifndef ASIO_RANGE_UTIL_HPP_
#define ASIO_RANGE_UTIL_HPP_

#include <boost/range/iterator_range.hpp>
#include <boost/range/algorithm/search.hpp>
#include <boost/asio/buffer.hpp>

namespace httpc {
	template <typename T>
	inline boost::iterator_range<T *> make_iterator_range_from_memory(T *head, size_t size) {

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//  Copyright (c) 2012 Bryce Adelstein-Lelbach
//
//  Distributed under the Boost Software License, Version 1.0. (See accompanying
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

// hpx::util::container_device can be found here:
// http://raw.github.com/STEllAR-GROUP/hpx/master/hpx/util/container_device.hpp

// The portable binary archives used can be found here:
// http://raw.github.com/STEllAR-GROUP/hpx/master/hpx/util/portable_binary_oarchive.hpp