derwiki’s gists

derwiki / seo.py

Last active August 29, 2015 14:16

Simple class to scrape Google search results. Useful for scripting reports of SEO rankings.

	import pprint
	import re
	import sys
	import urllib
	import urllib2

	# pip install pyquery
	try:
	from pyquery import PyQuery as pq
	except:

derwiki / sslmate.log

Created January 8, 2015 21:43

	$ sslmate buy *.cameralends.com
	If you don't have an account yet, visit https://sslmate.com/signup
	Enter your SSLMate username: cameralends
	Enter your SSLMate password: **************
	Authenticating... Done.
	Tip: if you don't want to have to type your password every time, you can run 'sslmate link' to link this system with your account.

	Generating private key... Done.
	Generating CSR... Done.
	Submitting order...

derwiki / bulk_insert.rb

Created November 3, 2014 19:23

Comparing runtime characteristics of individual transactions, one transaction, and one statement.

	def insert_many
	1000.times { SeoRank.create! }
	end

	start = Time.now
	ActiveRecord::Base.transaction { insert_many }
	puts "N transactions: #{ Time.now - start }"

	start = Time.now
	ActiveRecord::Base.transaction { insert_many }

derwiki / stripe-transfers.txt

Created October 22, 2014 05:06

	def pay_lender!(token = nil)
	fail unless lender.stripe_recipient_id \|\| token
	recipient = lender.stripe_recipient_id \|\|
	create_recipient!(token, lender.name).id
	Stripe::Transfer.create(
	amount: (lender_profit * 100).round,
	currency: "usd",
	recipient: lender.stripe_recipient_id,
	statement_description: "CameraLends Lending"
	)

derwiki / ffmpeg-output.log

Created September 19, 2014 03:15

Sample output of ffmpeg encoding a time lapse.

	$ ffmpeg -f image2 -r 24 -pattern_type glob -i '.JPG' -vf "scale=trunc(iw/4)2:trunc(ih/4)*2" -c:v libx264 time-lapse.mp4
	ffmpeg version 2.2.4 Copyright (c) 2000-2014 the FFmpeg developers
	built on Jun 23 2014 16:31:17 with Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
	configuration: --prefix=/usr/local/Cellar/ffmpeg/2.2.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
	libavutil 52. 66.100 / 52. 66.100
	libavcodec 55. 52.102 / 55. 52.102
	libavformat 55. 33.100 / 55. 33.100
	libavdevice 55. 10.100 / 55. 10.100
	libavfilter 4. 2.100 / 4. 2.100
	libavresample 1. 2. 0 / 1. 2. 0

derwiki / gmail-invoice-parse.rb

Created September 18, 2014 03:53

Ruby script utilizing the ruby-gmail gem that allows for searching and downloading Gmail messages by label. This implementation is looking for invoice emails and parsing the amount of money that was transferred.

	require 'gmail'

	label = 'transactional/payment'
	Gmail.new(username, password) do \|gmail\|
	puts "Emails that match label '#{ label }'"
	lender_profit = 0
	gmail.mailbox(label).emails.each do \|email\|
	message = email.message
	next if message.subject =~ /^Re: /
	next if message.subject =~ /^Fwd: /

derwiki / api_response.json

Created August 16, 2014 03:31

Sample API response JSON.

	{
	data: {
	results: [
	{
	camname: "EOS 5D Mark III",
	cammake: "Canon",
	camexifid: "CANON EOS 5D MARK III",
	lensname: "Canon EF 24-105mm f/4 L IS USM",
	author_name: null,
	author_url: null,

derwiki / pixel_peeper_integration.rb

Created August 16, 2014 03:24

Example of using the lightweight PixelPeeper API.

	def example_pictures_for(gear)
	pp = PixelPeeper.new
	if gear.pp_lens_id.present?
	pp.examples(lens_id: gear.pp_lens_id)
	elsif gear.pp_camera_id.present?
	pp.examples(camera_id: gear.pp_camera_id)
	else
	[]
	end.take(8)
	end

derwiki / pixelpeeper_with_timeouts_and_caching.rb

Created August 14, 2014 21:27

Example thin JSON API client in Ruby, with one second global timeouts and local API response Redis caching

	require 'httparty'

	class PixelPeeper
	include HTTParty
	base_uri 'www.pixel-peeper.com'
	default_timeout 1 # hard timeout after 1 second

	def api_key
	ENV['PIXELPEEPER_API_KEY']
	end

derwiki / pixelpeeper_basic.rb

Created August 14, 2014 20:37

Example thin JSON API client in Ruby

	require 'httparty'

	class PixelPeeper
	include HTTParty
	base_uri 'www.pixel-peeper.com'

	def api_key
	ENV['PIXELPEEPER_API_KEY']
	end

Adam Derewecki derwiki