cblavier’s gists

cblavier / event.rb

Created November 21, 2010 19:52

Unique token generation

	class Event < ActiveRecord::Base

	def self.new_with_token params = {}
	params[:token] = generate_token
	while (Event.find_by_token(params[:token]))
	params[:token] = generate_token
	end
	Event.new(params)
	end

cblavier / gist:992156

Created May 25, 2011 22:37

How can i sort an array that includes similar items by number of those similar items ?

	array = ["a", "b", "b", "a", "c", "b"]
	occurences = array.inject(Hash.new(0)) { \|h,k\| h[k] += 1; h }
	array.sort_by { \|k\| occurences[k] }

cblavier / _feedback_tab.html.haml

Created August 20, 2011 14:52

GetSatisfaction feedback tab

	%script{:charset => "utf-8", :type => "text/javascript"}
	var is_ssl = ("https:" == document.location.protocol);
	var asset_host = is_ssl ? "https://s3.amazonaws.com/getsatisfaction.com/" : "http://s3.amazonaws.com/getsatisfaction.com/";
	document.write(unescape("%3Cscript src='http://getsatisfaction.com/javascripts/feedback-v2.js' type='text/javascript'%3E%3C/script%3E"));

	%script{:charset => "utf-8", :type => "text/javascript"}
	var feedback_widget_options = {};

	feedback_widget_options.display = "overlay";
	feedback_widget_options.company = "sharypic";

cblavier / _feedback_tab.html.haml

Created August 20, 2011 14:53

GetSatisfaction feedback tab

	%script{:charset => "utf-8", :type => "text/javascript"}
	var is_ssl = ("https:" == document.location.protocol);
	var asset_host = is_ssl ? "https://s3.amazonaws.com/getsatisfaction.com/" : "http://s3.amazonaws.com/getsatisfaction.com/";
	document.write(unescape("%3Cscript src='http://getsatisfaction.com/javascripts/feedback-v2.js' type='text/javascript'%3E%3C/script%3E"));

	%script{:charset => "utf-8", :type => "text/javascript"}
	var feedback_widget_options = {};
	feedback_widget_options.display = "overlay";
	feedback_widget_options.company = "sharypic";
	feedback_widget_options.placement = "right";

cblavier / mongoid.rb

Created January 25, 2013 09:57

Get all mongoid Models in your project. Optionally filter them by superclass.

	module Jobbr

	module Mongoid

	include ::Mongoid

	extend self

	# Return all Mongoid models.
	# You can also pass a parent class to get all Mongoid childrens

cblavier / embedded_findable.rb

Last active April 8, 2017 14:30

Helps to override find method for a Mongoid embedded document.

	module Mongoid

	# Helps to override find method in an embedded document.
	# Usage :
	# - add to your model "include Mongoid::EmbeddedFindable"
	# - override find method with:
	# def self.find(id)
	# find_through(Book, 'chapter', id)
	# end
	module EmbeddedFindable

cblavier / within_box_events.rb

Last active August 29, 2015 13:56

Clustered geoloc search

	def within_box_events
	# reading lower_left corner and upper_right corner parameters
	ll_lng = Float(params[:lower_left][:lng])
	ll_lat = Float(params[:lower_left][:lat])
	ur_lng = Float(params[:upper_right][:lng])
	ur_lat = Float(params[:upper_right][:lat])

	# getting coordinates of a 9 times broader box, to get better clustering behavior at edges
	q_ll_lng = [ll_lng - ((ur_lng - ll_lng) / 2), -180].max
	q_ur_lng = [ur_lng + ((ur_lng - ll_lng) / 2), 180].min

cblavier / time_helper.ex

Created March 5, 2015 17:55

TimeHelper

	defmodule TimeHelper do

	def wait_until(fun), do: wait_until(500, fun)

	def wait_until(0, fun), do: fun.()

	def wait_until(timeout, fun) defo
	try do
	fun.()
	rescue

cblavier / scripts.coffee

Created April 3, 2015 12:28

Coffee + CJSX compilation with Gulp / Browserify / Watchify

	gulp = require('gulp')
	uglify = require('gulp-uglify')
	gulpif = require('gulp-if')
	reload = require('./watch').reload
	source = require('vinyl-source-stream')
	streamify = require('gulp-streamify')

	bundle_dir = "./public/"
	vendor_dir = "./node_modules/"
	src_dir = "./assets/javascripts/"

cblavier / gist:ce26998f8f48a09d12fa

Created January 14, 2016 17:45

EXPLAIN (ANALYZE, BUFFERS) SELECT DISTINCT locations.id FROM pois, locations WHERE pois.poi_kind_id = 3 AND ST_DWithin(pois.coordinates, locations.coordinates, 500, FALSE);

	Unique (cost=2407390.71..2407390.72 rows=2 width=4) (actual time=3338.080..3338.252 rows=918 loops=1)
	Buffers: shared hit=559
	-> Sort (cost=2407390.71..2407390.72 rows=2 width=4) (actual time=3338.079..3338.145 rows=963 loops=1)
	Sort Key: locations.id
	Sort Method: quicksort Memory: 70kB
	Buffers: shared hit=559
	-> Nested Loop (cost=0.00..2407390.71 rows=2 width=4) (actual time=2.466..3337.835 rows=963 loops=1)
	Join Filter: (((pois.coordinates)::geography && _st_expand((locations.coordinates)::geography, 500::double precision)) AND ((locations.coordinates)::geography && _st_expand((pois.coordinates)::geography, 500::double precision)) AND _st_dwithin((pois.coordinates)::geography, (locations.coordinates)::geography, 500::double precision, false))
	Rows Removed by Join Filter: 4531356
	Buffers: shared hit=559

Christian Blavier cblavier