Gray Forest mgamba
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| from http://aws.amazon.com/articles/4926593393724923 | |
| http://elasticmapreduce.s3.amazonaws.com/samples/spark/0.7.3/install-spark-shark.sh | |
| elastic-mapreduce --create --alive --name "Spark/Shark Cluster" --bootstrap-action s3://elasticmapreduce/samples/spark/0.7.3/install-spark-shark.sh --bootstrap-name "Mesos/Spark/Shark" --instance-type m1.xlarge --instance-count 3 | |
| replace ec2-keypair in above command | |
| commit to propagate credentials: https://github.com/amplab/shark/commit/70ddf149ea720fdfe76ae39cacbbac344be8402b |
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| def hash_pluck(hash, keys) | |
| HashWithIndifferentAccess[keys.zip(hash.values_at(*keys.map(&:to_s)))] | |
| end | |
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| cycles = (wastefulness) -> | |
| t1 = new Date | |
| for x in [0..Math.pow(wastefulness,2)] | |
| Math.pow(Math.random*Math.random) | |
| (new Date) - t1 | |
| # >> cycles(100) | |
| # 18 | |
| # >> cycles(1000) |
mgamba
/ camelToSnake
Last active
August 29, 2015 13:57
convert camelcase to snakecase in coffeescript
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| obj = {'someThing':'else',"BlahBlah":"bLah","sealTeam":6} | |
| defaults = {'some_thing':'more',"seal_team":2} | |
| camelToSnake = (s)-> | |
| s = s.replace /^([A-Z]+)/, (match) -> | |
| if match.length == 1 | |
| match.toLowerCase() | |
| else | |
| "#{match.slice(0,match.length-1).toLowerCase()}_#{match.slice(match.length-1).toLowerCase()}" | |
| s = s.replace /([A-Z]+)$/, (match) -> |
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| function watch { | |
| while sleep 1; do $@; done | |
| } | |
| function watchr { | |
| while sleep 1; do if [ "$d" != "$(stat $1 | cut -d'"' -f4)" ];then echo && date && d=`stat $1 | cut -d'"' -f4` && ruby $1 ; fi; done | |
| } |
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| #s = "ABCDEFABDC".split("") | |
| s = "nlhthgrfdnnlprjtecpdrthigjoqdejsfkasoctjijaoebqlrgaiakfsbljmpibkidjsrtkgrdnqsknbarpabgokbsrfhmeklrle".split("") | |
| ans = 'tsocrpkijgdqnbafhmle' | |
| #s = "CABDBACBAB".split("") | |
| #ans = "DCBA" | |
| h = {}.tap do |h| | |
| s.each_with_index do |c,i| | |
| h[c] ||= [] | |
| h[c] << i |
mgamba
/ beautiful_recursive.rb
Last active
August 29, 2015 13:57
recursive version of beautiful string finder
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| #s = "ABCDEFABDC".split("") | |
| s = "nlhthgrfdnnlprjtecpdrthigjoqdejsfkasoctjijaoebqlrgaiakfsbljmpibkidjsrtkgrdnqsknbarpabgokbsrfhmeklrle".split("") | |
| ans = 'tsocrpkijgdqnbafhmle' | |
| #s = "CABDBACBAB".split("") | |
| #ans = "DCBA" | |
| h = {}.tap do |h| | |
| s.each_with_index do |c,i| | |
| h[c] ||= [] | |
| h[c] << i |
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| [user] | |
| name = <YOUR> <NAME> | |
| email = <YOUR EMAIL> | |
| [github] | |
| user = <YOUR HANDLE> | |
| [alias] | |
| st = status | |
| c = commit | |
| ci = commit | |
| b = branch |
mgamba
/ rails proxy router.rb
Last active
August 29, 2015 14:07
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| require 'rack-proxy' | |
| require 'rack' | |
| RemoteHostForName = { | |
| 'simple' => "localhost:4567" | |
| } | |
| class ExternalProxy < Rack::Proxy | |
| def rewrite_env(env) | |
| #request = Rack::Request.new(env) |
mgamba
/ sinatra simple post logger.rb
Last active
August 29, 2015 14:07
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| require 'sinatra' | |
| use Rack::CommonLogger | |
| use Rack::Logger | |
| require 'json' | |
| post '/hi/there' do | |
| request.logger.info JSON.pretty_generate(request.env) | |
| "success\n" | |
| end |