pokka

skip_filter *_process_action_callbacks.map(&:filter), :only => [:action_goes_here]

pokka

sudo mkdir /usr/local
sudo chown -R $USER /usr/local
curl -Lsf \
http://github.com/mxcl/homebrew/tarball/master | \
tar xvz -C /usr/local --strip 1

mkdir -p ~/.rvm/src && cd ~/.rvm/src && rm -rf ./rvm && \
git clone --depth 1 git://github.com/wayneeseguin/rvm.git && \
cd rvm && ./install

pokka

#import
gunzip < backupfile.sql.gz | mysql -uroot -ppassw database

#dump
mysqldump -h -u -p database | gzip > backupfile.sql.gz

#dump without schema(data only)
mysqldump --no-create-info --skip-triggers -h -u -p database | gzip > backupfile.sql.gz

#dump with columns

pokka

function be () {
  bundle exec $@
}
function ber () {
  bundle exec rake $@
}
function bes () {
  bundle exec rake spec $@
}
function bess () {

pokka

#!/bin/sh
_ver='2.1.6'

if [ -z "$V" ]; then
  _ver='2.1.6'
else
  _ver=$V
fi

ruby-install --rubies-dir /usr/local/rubies ruby $_ver

pokka

# Function to print strftime results
def print_strftime_formats(a,cur_date)
	a.each do |format|
		b = "%#{format}"
		output = cur_date.strftime(b)
		puts "t.strftime('#{b}'), => #{output}"
	end
end

a = ('a'..'z').to_a

pokka

find . -type d -print0 | xargs -0 du | sort -n | tail -10 | cut -f2 | xargs -I{} du -sh {}

find . -type f -print0 | xargs -0 du | sort -n | tail -10 | cut -f2 | xargs -I{} du -sh {}

pokka

sql = File.read(sql_file)
statements = sql.split(/;$/)
statements.pop if statements.last.blank?
ActiveRecord::Base.transaction do
  statements.uniq.each { |statement| execute(statement.gsub(/\n/, '')) }
end

pokka

module ActiveRecord
  class Base
    def self.cache_key
      Digest::MD5.hexdigest "#{scoped.maximum(:updated_at).try(:to_i)}-#{scoped.count}"
    end
  end
end

pokka

module ActiveRecord::Persistence::ClassMethods

  def create!(attributes = nil, &block)
    if attributes.is_a?(Array)
      attributes.collect { |attr| create!(attr, &block) }
    else
      object = new(attributes, &block)
      [:save,:create].each { |cb| object.class.reset_callbacks cb }
      object.save(validate: false)
      object