Bryce McDonnell brycemcd

Ansible Cheatsheet

A smattering of frequently used commands I use. This will help prevent excessive load on Google's systems.

NOTE: most examples are copied and pasted from the documentation. Attribution belongs to the contributors of the documentation!

This serves as a repository of ideas that have popped into my head. As I have time, I play around with one.

Mute Button - Automatically mute television commercials using machine learning and Spark
NYC Taxi - A cabbie once told me that the length of each trip he takes is much longer than it was before. Use math to prove/disprove it. This data needs a lot of cleanup and profiling before it can be properly analyzed. NYC Taxi Data Cleanup Project
Heart Rate Anomaly Detector - Automatically detect afib in the fitbit HR
Picam Fun - Detect movements and objects from images work started here
Listicle - Organize online articles for reading frontend [backend](https://github.com/brycemcd/email-l

	doInstall <- TRUE
	toInstall <- c("sna", "igraph")
	if(doInstall){install.packages(toInstall, repos = "http://cran.us.r-project.org")}
	lapply(toInstall, library, character.only = TRUE)

	adjacencyList <- read.csv("https://dl.dropbox.com/s/8wabcrtqxysp03u/Twitter_network.R.csv?dl=1")
	head(adjacencyList)

	adjacencyMatrix <- table(adjacencyList)
	as.matrix(sort(rowSums(adjacencyMatrix))) # Out-degree

	-- 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%'

	=Navigating=
	visit('/projects')
	visit(post_comments_path(post))

	=Clicking links and buttons=
	click_link('id-of-link')
	click_link('Link Text')
	click_button('Save')
	click('Link Text') # Click either a link or a button
	click('Button Value')

	# rails application template for generating customized rails apps
	#
	# == requires ==
	#
	# * rails 2.3+, rspec, cucumber, culerity (langalex-culerity gem), machinist
	#
	# == a newly generated app using this template comes with ==
	#
	# * working user registration/login via authlogic, cucumber features to verify that it works
	# * rspec/cucumber/culerity for testing