remigijusj

class Array
  def deep_compact
    term = []
    hash = each_with_object({}) do |obj,res|
      if obj.is_a?(Hash)
        obj.each do |key,val|
          res[key] ||= []
          res[key] += val.respond_to?(:deep_compact) ? val.deep_compact : val
        end
      else

remigijusj

# a monkey-patch fix for OR-query building, needed for Rails 4.2
module Databound
  class Manager
    def or_query(root, *scopes)
      relations = scopes.map do |scope|
        root.where(scope.to_h)
      end

      nodes = relations.map do |rel|
        rel.where_values.reduce(:and)

remigijusj

module Databound
  class Manager
    def find_scoped_records(only_extra_scopes: false)
      if only_extra_scopes
        rel = model.where(@scope.to_h)
      else
        rel = model.where(params.to_h)
        check_permit!(:read, rel) # <<< this is out of place, because SRP!
      end

remigijusj

STOP den lille kænguru

Tre fra Litauen på indbrud
Gemte sig bag ved en hæk
Tævede gamle fru Jensen
Tog pengene med og var væk!

Men så råbte vi:
Stop de østkriminelle
Før de røver igen

remigijusj

require 'benchmark'
require 'date'

# from lib/core_ext/hash.rb
class Hash
  def at(*path)
    path.inject(self) do |ob, key|
      ob.respond_to?(:each) ? ob[key] : nil
    end
  end

remigijusj

class Binding
  def publish(vars)
    defs = vars.each_with_object("") do |var,str|
      str << "define_method(:#{var}) { #{var} }\n"
      str << "private :#{var}\n"
    end
    self.eval "self.class.module_eval { #{defs} }"
  end
end

remigijusj

require 'dm-core'
require 'dm-redis-adapter'

DataMapper.setup(:default, {:adapter  => "redis"})

class Book
  include DataMapper::Resource
  
  property :id,   Serial
  property :name, String

remigijusj

# using Ruby 1.9.2

# Hole 1, 41 chars
def fizzbuzz(n)
  "#{n%3<1&&f=:Fizz;n%5<1?"#{f}Buzz":f||n}"
end
# Same as Cyrus's solution, optimized

p fizzbuzz(3)  # => "Fizz"
p fizzbuzz(10) # => "Buzz"

remigijusj

#!/Ruby192/bin/ruby.exe
#
# A hook script to verify that only syntactically valid ruby code is commited.
# Called by git-commit with no arguments.  The hook should
# exit with non-zero status after issuing an appropriate message if
# it wants to stop the commit.
#
# Put this code into a file called "pre-commit" inside your .git/hooks
# directory, and make sure it is executable ("chmod +x .git/hooks/pre-commit")

remigijusj

-- ratio with average view count log-trend
SELECT i.id FROM items i
LEFT JOIN global_stats vc ON vc.entry_type=510 AND vc.entry_id = i.id
INNER JOIN user_settings s ON s.user_id = i.user_id
WHERE s.is_publish_photos_agreed = 1 AND is_visible = 1 AND is_replicated = 0 AND is_reserved = 0
AND boutique_id IS NULL
AND created_at >= '2012-10-27'
AND i.catalog_id IN (%cat4%)
AND vc.value / (LN(DATEDIFF(NOW(),created_at)+1)*15.5+12.4) >= 0.8
ORDER BY id DESC