Vlado Cingel vlado

vlado / Rails .gitignore file

Created June 26, 2009 08:21

vlado / formtastic_mark_it_up_editor.rb

Last active September 5, 2015 09:04

FormtasticExtension for MarkItUpEditor

	module FormtasticExtensions
	module Formtastic
	module MarkItUpEditor

	def self.included(base)
	base.class_eval do
	@mark_it_up_dependencies_included = false
	end
	end

vlado / gist:1877457

Last active April 3, 2018 08:36

Postgres on macos or OSX - Fix

	# ERROR 1
	# FATAL: lock file "postmaster.pid" already exists
	# HINT: Is another postmaster (PID 4646) running in data directory "/usr/local/var/postgres"?
	#
	# ERROR 2
	# Is the server running locally and accepting connections on Unix domain socket "/tmp/.s.PGSQL.5432"?
	#
	# To fix one of this errors:

	cat /usr/local/var/postgres/postmaster.pid # pid is the number on first line

vlado / gist:2028727

Created March 13, 2012 13:26

Placeholder text does not disappear in webkit (safari, chrome)

	input:focus::-webkit-input-placeholder {
	color: transparent;
	}

vlado / gist:3750538

Created September 19, 2012 16:13

Example js organization code

	// ================================================
	// We can put everything under "bd" namespace
	// ================================================
	window.bd = {};

	// define some util functions and/or classes under util namespace
	bd.util = {};
	bd.util.toFloat = function(obj) {
	return parseFloat(obj);
	};

vlado / you_tube_embed_example.html.erb

Last active May 8, 2017 17:37

How to embed youtube video in Rails view

	<%
	video_code, video_width, video_height = 'nkYA1xqrdGw', 938, 555
	video_embed_params = { :fs => 1, :rel => 0, :hd => 1, :autoplay => 1, :modestbranding => 1, :version => 3, :enablejsapi => 1, :playerapiid => "ytplayer" }
	player_wrapper_id, player_id = 'ytPlayerWrapper', 'ytPlayer'
	%>

	<% unless mobile_safari_request? %>
	<% content_for :head do %>
	<%= javascript_include_tag "http://ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js" %>
	<% end %>

vlado / soft_delete.rb

Last active December 21, 2015 17:28

Soft Delete for Rails (ActiveRecord)

	module SoftDelete

	def self.included(within)
	within.class_eval do
	scope :deleted, where("#{quoted_table_name}.deleted_at IS NOT NULL")
	scope :not_deleted, where("#{quoted_table_name}.deleted_at IS NULL")
	end
	end

	def not_deleted!

vlado / gist:6592660

Created September 17, 2013 10:37

FATAL: remaining connection slots are reserved for non-replication superuser connections

	# http://t5865.codeinpro.us/q/5150158be8432c042603131d
	# http://stackoverflow.com/questions/2369744/rails-postgres-drop-error-database-is-being-accessed-by-other-users

vlado / gem_config.rb

Last active December 23, 2015 12:19

How to write config block for gems. Inspired by http://rarlindseysmash.com/posts/config-and-generators-in-gems

	module Jem
	class << self
	attr_accessor :configuration
	end

	def self.configure
	self.configuration \|\|= Configuration.new
	yield(configuration)
	end

vlado / ar_enhanced_query_objects.rb

Created September 20, 2013 08:45

ActiveRecord: Enhanced Query Objects

	# Hamed Asghari post: http://hasghari.github.io/2013/09/15/active-record-enhanced-query-objects.html

	class PopularProductQuery
	def initialize(relation = Product.scoped)
	@relation = relation.extending(Scopes)
	end

	def popular(time)
	@relation.with_recent_activity(time).with_available_reviews
	end