Ross Kaffenberger rossta

RailsConf Show & Tell

Keynotes

Kent Beck: "A man cannot be comfortable without his own approval" - Mark Twain *
DHH @ 00:26:00: Rails API and Action Cable
Tenderlove: Just watch

Culture

Intro to AWS OpsWorks for the Rails Developer

AWS OpsWorks

AWS OpsWorks features an integrated management experience for the entire application lifecycle including resource provisioning, configuration management, application deployment, monitoring, and access control. It will work with applications of any level of complexity and is independent of any particular architectural pattern.

Wat?

Configure instances
Automate provisioning

How I share hacks

gist!

multiple files
markdown
code highlighting
it's "githubby"

Resources

	SELECT CONCAT(table_schema, '.', table_name),
	CONCAT(ROUND(table_rows / 1000000, 2), 'M') rows,
	CONCAT(ROUND(data_length / ( 1024 * 1024 * 1024 ), 2), 'G') DATA,
	CONCAT(ROUND(index_length / ( 1024 * 1024 * 1024 ), 2), 'G') idx,
	CONCAT(ROUND(( data_length + index_length ) / ( 1024 * 1024 * 1024 ), 2), 'G') total_size,
	ROUND(index_length / data_length, 2) idxfrac
	FROM information_schema.TABLES
	ORDER BY data_length + index_length DESC
	LIMIT 10;

	#!/usr/bin/env ruby

	require 'erb'

	puts "Generating nginx config..."

	app_root = Dir.getwd
	app_name = File.basename(app_root)
	public_path = File.join(app_root, 'public')

	$ npm install --save-dev ember-cli@0.2.3

	> ws@0.5.0 install /Users/ross/dev/challengepost/bridge/node_modules/ember-cli/node_modules/testem/node_modules/socket.io/node_modules/engine.io/node_modules/ws
	> (node-gyp rebuild 2> builderror.log) \|\| (exit 0)

	CXX(target) Release/obj.target/bufferutil/src/bufferutil.o
	SOLINK_MODULE(target) Release/bufferutil.node
	SOLINK_MODULE(target) Release/bufferutil.node: Finished
	CXX(target) Release/obj.target/validation/src/validation.o
	SOLINK_MODULE(target) Release/validation.node

	irb(main):089:0> def num_repeats(string)
	irb(main):090:1> counts = {}
	irb(main):091:1> string.each_char{\|k\|counts[k] \|\|=0; counts[k] +=1}
	irb(main):092:1> counts.select{\|k,v\| v > 1 }.length
	irb(main):093:1> end
	=> :num_repeats
	irb(main):094:0> num_repeats
	ArgumentError: wrong number of arguments (0 for 1)
	from (irb):89:in `num_repeats'
	from (irb):94

	deploy@app_master:princess i-9e7a7b61 /data/platform/current $ bundle exec rake sunspot:reindex
	No config found for ["New Relic", "license_key"]. Activate the services that provides 'New Relic' or remove the code that uses it.
	Skipping progress bar: for progress reporting, add gem 'progress_bar' to your Gemfile
	rake aborted!
	RSolr::Error::Http: RSolr::Error::Http - 404 Not Found
	Error: Not Found

	Request Data: "<?xml version=\"1.0\" encoding=\"UTF-8\"?><delete><query>type:ActsAsTaggableOn\\:\\:Tag</query></delete>"

	Backtrace: /data/platform/shared/bundled_gems/ruby/2.1.0/gems/rsolr-1.0.10/lib/rsolr/client.rb:283:in `adapt_response'

	SEVERE: Unable to create core: default
	org.apache.solr.common.SolrException: Error initializing QueryElevationComponent.
	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:806)
	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:619)
	at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:1021)
	at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1051)
	at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:634)
	at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:629)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)