Eventually platforms outgrow the single-source-tree model and become distributed systems. A common pattern in these distributed systems is distributed composition via event buffering. Here we motivate and describe this event buffering pattern.
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# Config for Nginx to act as a front-end for Riak | |
# The main goal is to proxy all GETs directly to Riak, and disallow anything else (POST, PUT, etc) | |
# Also, disallow use of the map/reduce query links (i.e. /riak/bucket/key/_,_,_) | |
# Config is in /etc/nginx/sites-available/default or somewhere like that | |
# Set up load-balancing to send requests to all nodes in the Riak cluster | |
# Replace these IPs/ports with the locations of your Riak nodes | |
upstream riak_hosts { | |
server 127.0.0.1:8098; |
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(ns ignacio.tfidf (:require [clojure.contrib.string :as string])) ;; Simple tfidf in clojure, for fun. | |
(def stopwords (set (string/split #"\n" (slurp "./stopwords.txt")))) | |
(defn tokenize [raw-text] ;; Lowercases and splits on non-letters, non-numbers. | |
(remove stopwords (string/split #"[^a-z0-9äöüáéíóúãâêîôûàèìòùçñ]+" (string/lower-case raw-text)))) | |
(defn idf2 [n-docs match] (Math/pow (Math/log (/ n-docs (count (keys match)))) 2)) | |
(defn index-one [fname] ;; Index for one file. Given an fname, returns a map of token -> map of (fname, count) |
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%===================================================================== | |
% jhwhw.cls | |
% Provide jhwhw.cls class | |
%===================================================================== | |
%===================================================================== | |
% Identification | |
%===================================================================== | |
\NeedsTeXFormat{LaTeX2e} | |
\ProvidesClass{jhwhw}[2009/02/11 Justin Wilson's Homework Class] |
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# First install tmux | |
brew install tmux | |
# For mouse support (for switching panes and windows) | |
# Only needed if you are using Terminal.app (iTerm has mouse support) | |
Install http://www.culater.net/software/SIMBL/SIMBL.php | |
Then install https://bitheap.org/mouseterm/ | |
# More on mouse support http://floriancrouzat.net/2010/07/run-tmux-with-mouse-support-in-mac-os-x-terminal-app/ |
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% -------------------------------------------------------------- | |
% This is all preamble stuff that you don't have to worry about. | |
% Head down to where it says "Start here" | |
% -------------------------------------------------------------- | |
\documentclass[12pt]{article} | |
\usepackage[margin=1in]{geometry} | |
\usepackage{amsmath,amsthm,amssymb} | |
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#!/usr/bin/env sh | |
## | |
# This is script with usefull tips taken from: | |
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx | |
# | |
# install it: | |
# curl -sL https://raw.github.com/gist/2108403/hack.sh | sh | |
# |
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(ns stats) | |
(defn mode [vs] | |
(let [fs (frequencies vs)] | |
(first (last (sort-by second fs))))) | |
(defn quantile | |
([p vs] | |
(let [svs (sort vs)] | |
(quantile p (count vs) svs (first svs) (last svs)))) |
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#!/usr/bin/env python | |
# Copyright 2017 Ryan Stortz (@withzombies) | |
# | |
# Licensed under the Apache License, Version 2.0 (the "License"); | |
# you may not use this file except in compliance with the License. | |
# You may obtain a copy of the License at | |
# | |
# http://www.apache.org/licenses/LICENSE-2.0 | |
# |
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/* | |
Copyright (c) 2011, Thomas Dullien | |
All rights reserved. | |
Redistribution and use in source and binary forms, with or without | |
modification, are permitted provided that the following conditions | |
are met: | |
Redistributions of source code must retain the above copyright notice, | |
this list of conditions and the following disclaimer. Redistributions |
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