Maciej Kowalski maciejkowalski

## resque_retry.rb
# inspired by http://ariejan.net/2010/08/23/resque-how-to-requeue-failed-jobs

# retry all failed Resque jobs except the ones that have already been retried
# This is, for instance, useful if you have already retried some jobs via the web interface.
Resque::Failure.count.times do |i|
  Resque::Failure.requeue(i) unless Resque::Failure.all(i, 1)['retried_at'].present?
end

# retry all :)
Resque::Failure.count.times do |i|

## fastest_arrays_to_hash.rb
require 'benchmark'

def zip_it(array1,array2)
  Hash[array1.zip(array2)]
end


def naive(array1,array2)
  hash = {}

## postgres_logs.sh
# MAC OS X

tail -f ~/Library/Application\ Support/Postgres93/var/pg_log/*

# UBUNTU

tail -f /var/lib/postgresql/9.3/main/pg_log/*

## hstore_extension.db.rake
namespace :db do
  namespace :structure do
    task :add_hstore_extension do
      puts "HACK! Adding `CREATE EXTENSION hstore SCHEMA hstore;` to structure.sql (see db_strucute_dump.rake)"

      structure_dump = Rails.root + "db/structure.sql"
      new_structure_dump = Rails.root + "db/new_structure.sql"

      new_file = File.open(new_structure_dump, 'w')
      existing = File.open(structure_dump)

## Xpath vs CSS Selectors in Ruby
require 'open-uri'
require 'nokogiri'
require 'benchmark'

url = 'http://stackoverflow.com/questions/8214299/xpath-or-css-parsing-faster-for-nokogiri-on-html-files'
page = Nokogiri::HTML(open(url))


Benchmark.bmbm do |parser|
  parser.report('Xpath') { 1000.times do page.at_xpath('//div[@id="sidebar"]//a[@class="question-hyperlink"]').text end }

## keras_pydata_warsaw_jan2017.ipynb

      
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                maciejkowalski
                / keras_pydata_warsaw_jan2017.ipynb
            
            
              Created
              January 12, 2017 23:42
                — forked from stared/keras_pydata_warsaw_jan2017.ipynb
            
              
                First steps in deep learning with Keras @ PyData Warsaw Meetup (12 Jan 2017)
              
          
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## gist:04154e5355fceb418fff361ee62ccffb

      
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                maciejkowalski
                / gist:04154e5355fceb418fff361ee62ccffb
            
            
              Created
              January 28, 2017 17:55
                — forked from johnantoni/gist:07df65898456ace4307d5bb6cbdc7f51
            
              
                Nginx, PHP-FPM, MySQL and phpMyAdmin on OS X
              
          
    This is my take on how to get up and running with NGINX, PHP-FPM, MySQL and phpMyAdmin on OSX Yosemite.
This article is adapted from the original by Jonas Friedmann. Who I just discovered is from Würzburg in Germany. A stonesthrow from where I was born ;)
Xcode

Make sure you have the latest version of XCode installed. Available from the Mac App Store.
Install the Xcode Command Line Tools:
xcode-select --install

  
## simple_git.md

      
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                maciejkowalski
                / simple_git.md
            
            
              Created
              March 10, 2017 20:16
                — forked from 17twenty/simple_git.md
            
              
                A Simple Git branching model
              
          
    a simple git branching model

This is a very simple git workflow. It (and variants) is in use by many people.
I settled on it after using it very effectively at Athena.
GitHub does something similar; Zach Holman mentioned  it
in this talk.
The gist


## redshift.conf
; Global settings
[redshift]
temp-day=6500K
temp-night=5000
transition=1
;gamma=0.8:0.7:0.8
gamma=1.000:1.000:1.000
location-provider=geoclue
;location-provider=manual
adjustment-method=vidmode

## godaddy-ssl-howto
openssl req -new -newkey rsa:2048 -nodes -keyout yourdomain.key -out yourdomain.csr

http://support.godaddy.com/help/article/3601/generating-a-certificate-signing-request-nginx
http://support.godaddy.com/help/article/4976/rekeying-an-ssl-certificate

# Be sure to remember to chain them!
cat gd_bundle-g2-g1.crt >> yourdomain.crt

# Move 'em
sudo mv yourdomain.crt /etc/ssl/certs/yourdomain.crt
	# inspired by http://ariejan.net/2010/08/23/resque-how-to-requeue-failed-jobs

	# retry all failed Resque jobs except the ones that have already been retried
	# This is, for instance, useful if you have already retried some jobs via the web interface.
	Resque::Failure.count.times do \|i\|
	Resque::Failure.requeue(i) unless Resque::Failure.all(i, 1)['retried_at'].present?
	end

	# retry all :)
	Resque::Failure.count.times do \|i\|
	require 'benchmark'

	def zip_it(array1,array2)
	Hash[array1.zip(array2)]
	end


	def naive(array1,array2)
	hash = {}
	# MAC OS X

	tail -f ~/Library/Application\ Support/Postgres93/var/pg_log/*

	# UBUNTU

	tail -f /var/lib/postgresql/9.3/main/pg_log/*
	namespace :db do
	namespace :structure do
	task :add_hstore_extension do
	puts "HACK! Adding `CREATE EXTENSION hstore SCHEMA hstore;` to structure.sql (see db_strucute_dump.rake)"

	structure_dump = Rails.root + "db/structure.sql"
	new_structure_dump = Rails.root + "db/new_structure.sql"

	new_file = File.open(new_structure_dump, 'w')
	existing = File.open(structure_dump)
	require 'open-uri'
	require 'nokogiri'
	require 'benchmark'

	url = 'http://stackoverflow.com/questions/8214299/xpath-or-css-parsing-faster-for-nokogiri-on-html-files'
	page = Nokogiri::HTML(open(url))


	Benchmark.bmbm do \|parser\|
	parser.report('Xpath') { 1000.times do page.at_xpath('//div[@id="sidebar"]//a[@class="question-hyperlink"]').text end }
	; Global settings
	[redshift]
	temp-day=6500K
	temp-night=5000
	transition=1
	;gamma=0.8:0.7:0.8
	gamma=1.000:1.000:1.000
	location-provider=geoclue
	;location-provider=manual
	adjustment-method=vidmode
	openssl req -new -newkey rsa:2048 -nodes -keyout yourdomain.key -out yourdomain.csr

	http://support.godaddy.com/help/article/3601/generating-a-certificate-signing-request-nginx
	http://support.godaddy.com/help/article/4976/rekeying-an-ssl-certificate

	# Be sure to remember to chain them!
	cat gd_bundle-g2-g1.crt >> yourdomain.crt

	# Move 'em
	sudo mv yourdomain.crt /etc/ssl/certs/yourdomain.crt