ruby-fu-ninja

Dir["db/migrate/*"].each do |v|
  next if v == "." or v == ".." or v == ".svn"
  version = File.basename(v).split('_').first
  begin
    ActiveRecord::Base.connection.execute("INSERT INTO schema_migrations values ('#{version}')")
  rescue => e
    p e
    exit
  end
end

ruby-fu-ninja

module QueryTrace
  def self.enable!
    ::ActiveRecord::LogSubscriber.send(:include, self)
  end

  def self.append_features(klass)
    super
    klass.class_eval do
      unless method_defined?(:log_info_without_trace)
        alias_method :log_info_without_trace, :sql

ruby-fu-ninja

root@li615-48:~# echo -e "your-username:`perl -le 'print crypt("your-password","salt")'`" > /path/to/httpasswd

ruby-fu-ninja

module SerializedAttrAccessor
  
  module ClassMethods
    
    def define_serialized_attr_accessor(attribute)
      self.class_eval %Q{
        def #{attribute}=(val)
          self.serialized_column[:#{attribute}] = val
        end
        

ruby-fu-ninja

Dir[Rails.root.join('app', 'models', '*')].each do |path|
  file = File.basename(path, '.rb')
  begin
    klass = file.classify.constantize
  
    if klass.respond_to?(:select)
      max_id = klass.maximum(:id).to_i + 1
      sequence = ActiveRecord::Base.connection.execute("SELECT nextval('#{klass.table_name}_id_seq')").first['nextval'].to_i
      if sequence <= max_id
        puts "Updating sequence for #{klass.table_name}"

ruby-fu-ninja

# Get number of lines

grep "Processing" log/development.log | wc -l

# Replace LINE_NUMBER the minimum line number

grep "Processing" log/development.log | awk 'NR > LINE_NUMBER { print $3 }' | sort | uniq

ruby-fu-ninja

sudo apt-get install munin munin-node -y

cd /munin/parent/dir
mkdir munin
sudo chown munin:munin munin
sudo vim /etc/munin/munin.conf

Add htmldir to conf:

htmldir /munin/parent/dir/munin