Hector Perez hectorperez

Elixir dev & manager

hectorperez / vim macros

Created October 2, 2015 13:01

vim macros

	To enter a macro, type:
	q<letter><commands>q

	To execute the macro <number> times (once by default), type:
	<number>@<letter>

	http://vim.wikia.com/wiki/Macros

hectorperez / run thor task in heroku.rb

Created July 10, 2015 21:09

run thor task in heroku

	heroku run bash
	RAILS_ENV=production bundle exec thor my:task

hectorperez / Regular expressions

Created May 21, 2015 10:29

Regular expressions

	http://regexr.com
	https://regex101.com/r/eB5jY1/1
	https://www.debuggex.com/r/mci3WLNmHGTEatf6

	Source:
	https://news.ycombinator.com/item?id=9581225

hectorperez / twitter-friends.rb

Last active August 11, 2016 20:43 — forked from sferik/twitter-friends.rb

	require 'csv'
	require 'twitter'

	def twitter_client
	@twitter_client \|\|= Twitter::REST::Client.new do \|config\|
	config.consumer_key = 'XXXXXX'
	config.consumer_secret = 'XXXXXX'
	config.access_token = 'XXXXXX'
	config.access_token_secret = 'XXXXXX'
	end

hectorperez / restore a Mongo collection

Created February 23, 2015 12:03

restore a Mongo collection

	mongo
	> use database_name
	> db.users.drop()
	> exit

	mongorestore --collection users --db database_name users.bson

hectorperez / Machine learning

Last active August 29, 2015 14:14

Machine learning

	https://class.coursera.org/ml-008/wiki/CourseSchedule

	https://class.coursera.org/ml-005/lecture

	lecture notes:
	http://www.holehouse.org/mlclass/index.html

	paper:
	http://homes.cs.washington.edu/~pedrod/papers/cacm12.pdf

hectorperez / remove all NAs in a vector.R

Created January 21, 2015 14:18

remove all NAs in a vector (R)

	d <- d[!is.na(d)]
	# http://stackoverflow.com/questions/7706876/r-script-removing-na-values-from-a-vector

hectorperez / set environment variables.sh

Last active January 29, 2017 19:38

set environment variables

	vim ~/.bash_profile

	At the end add the variables, for example:

	export TWITTER_CONSUMER_KEY=...
	export TWITTER_CONSUMER_SECRET=...
	export GOOGLE_SHORTENER_KEY=...

hectorperez / Butterworth - Bessel - Chebyshev filter design

Last active August 29, 2015 14:10

signal processing: Butterworth / Bessel / Chebyshev filter design

http://www-users.cs.york.ac.uk/~fisher/mkfilter/trad.html

hectorperez / Create a temporary directory in Ruby.rb

Created November 5, 2014 10:40

Create a temporary directory in Ruby

Dir.mktmpdir