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# Written by Brendan O'Connor, [email protected], www.anyall.org | |
# * Originally written Aug. 2005 | |
# * Posted to gist.github.com/16173 on Oct. 2008 | |
# Copyright (c) 2003-2006 Open Source Applications Foundation | |
# | |
# 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 | |
# |
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# If you meet install errors, see abid-hussain's comment | |
sudo apt-get --force-yes install build-essential openssl libreadline6 libreadline6-dev curl git-core \ | |
zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-0 libsqlite3-dev sqlite3 libxml2-dev \ | |
libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison | |
&& | |
\curl -L https://get.rvm.io | bash -s stable --rails --autolibs=enabled |
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(defclass world () | |
((points :initform (make-hash-table) :accessor points) | |
(rules :initform (make-hash-table) :accessor rules) | |
(attachments :initform nil :accessor attachments))) | |
(defclass attachment () | |
((point-a :initarg :point-a :accessor point-a) | |
(point-b :initarg :point-b :accessor point-b) | |
(rule :initarg :rule :accessor rule))) | |
;rule is called with arguments point-a point-b to decide force applied to point-a. force applied to point-b is negation of that |
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-- show running queries (pre 9.2) | |
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
FROM pg_stat_activity | |
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
ORDER BY query_start desc; | |
-- show running queries (9.2) | |
SELECT pid, age(clock_timestamp(), query_start), usename, query | |
FROM pg_stat_activity | |
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |
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\documentclass{article} | |
\begin{document} | |
<<run-all, results='hide', message=FALSE>>= | |
library(xtable) | |
out = NULL | |
for (g in unique(mtcars$gear)) { | |
out = c(out, knit_child('template.Rnw', sprintf('gear-%s.tex', g))) | |
} |
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# Author: Pieter Noordhuis | |
# Description: Simple demo to showcase Redis PubSub with EventMachine | |
# | |
# Requirements: | |
# - rubygems: eventmachine, thin, cramp, sinatra, yajl-ruby | |
# - a browser with WebSocket support | |
# | |
# Usage: | |
# ruby redis_pubsub_demo.rb | |
# |
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Ant sim ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
; Copyright (c) Rich Hickey. All rights reserved. | |
; The use and distribution terms for this software are covered by the | |
; Common Public License 1.0 (http://opensource.org/licenses/cpl.php) | |
; which can be found in the file CPL.TXT at the root of this distribution. | |
; By using this software in any fashion, you are agreeing to be bound by | |
; the terms of this license. | |
; You must not remove this notice, or any other, from this software. | |
;dimensions of square world |
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# Some good references are: | |
# http://russbrooks.com/2010/11/25/install-postgresql-9-on-os-x | |
# http://www.paolocorti.net/2008/01/30/installing-postgis-on-ubuntu/ | |
# http://postgis.refractions.net/documentation/manual-1.5/ch02.html#id2630392 | |
#1. Install PostgreSQL postgis and postgres | |
brew install postgis | |
initdb /usr/local/var/postgres | |
pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start |
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Warden::Manager.serialize_into_session{|user| user.id } | |
Warden::Manager.serialize_from_session{|id| User.get(id) } | |
Warden::Manager.before_failure do |env,opts| | |
# Sinatra is very sensitive to the request method | |
# since authentication could fail on any type of method, we need | |
# to set it for the failure app so it is routed to the correct block | |
env['REQUEST_METHOD'] = "POST" | |
end | |
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