demery

#!/usr/bin/env ruby

require 'nokogiri'
require 'optparse'

CMD = File.basename __FILE__

def usage
  "Usage: #{CMD} [OPTIONS] TAG [CODE...] FILE [FILE...]"
end

demery

Jun 28  2013    W4_tei.xml             <surface n="Upper board outside" xml:id="n348.022200"><graphic url="master/W4_000001_1200.tif" xml:id="n348.022201"/>
Jun 28  2013    W7_tei.xml             <surface n="Upper board outside" xml:id="n352.028025"><graphic url="master/W7_000001_1022.tif" xml:id="n352.028026"/>
Jun 28  2013    W12_tei.xml            <surface n="Upper board outside" xml:id="n357.048799"><graphic url="master/W12_000001_1200.tif" xml:id="n357.048800"/>
Jun 28  2013    W13_tei.xml            <surface n="Upper board outside" xml:id="n471.035784"><graphic url="master/W13_000001_1200.tif" xml:id="n471.035785"/>
Jun 28  2013    W18_tei.xml            <surface n="Upper board outside" xml:id="n342.010960"><graphic url="master/W18_000001_700.tif" xml:id="n342.010961"/>
Jun 28  2013    W26_tei.xml            <surface n="Upper board outside" xml:id="n360.007143"><graphic url="master/W26_000001_1200.tif" xml:id="n360.007144"/>
Jun 28  2013    W30_tei.xml            <surface n="Upper board outside" xml:id=

demery

#!/usr/bin/env bash

# IMPORTANT: this script assumes that are no spaces in any of your paths

# create a dir list this way:
#
#     $ find /path/to/source/directories -type d -name web | grep -v extra > /path/to/list-of-web-directories.txt
#
# This command will find all directories (-type d) named 'web' -- but not 
# the ones in the `extra` folders -- and redirect all that to a file listing

demery

$ rsync -Cavz -e 'ssh -p 1234 -i $HOME/.ssh/id_dsa' usernam@host.com:path/to/files/*.txt .
Permission denied (publickey,gssapi-with-mic).
rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
rsync error: unexplained error (code 255) at io.c(601) [Receiver=3.0.8]

demery

# switch to the named branch
$ hg update -C my_branch

# write some code and commit the changes
$ hg commit

# switch to default
$ hg update -C default

# merge the revised code from the branch

demery

def magical_solution_to_all_your_problems(*args)
   # do something critical
end

demery

# config/initializers/deletable.rb
ActiveRecord::Base.class_eval do
  before_destroy :check_deletable

  def self.undeletable_if_used(by_hash)
    unless by_hash[:by]
      raise "Expected hash to have key :by and a value of one or more symbols"
    end
    define_method(:deletable?) do
      ![by_hash[:by]].flatten.detect { |a|

demery

  def destroy_tag(object)
    if current_user.admin?
      if object.deletable?
        link_to('Destroy', object, :confirm => 'Are you sure?',
                :method => :delete)
      else
        "[Item used]"
      end
    end
  end

demery

def self.undeletable_if_used(by_hash)
  unless by_hash[:by]
    raise "Expected hash to have key :by and a value of one or more symbols"
  end
  define_method(:deletable?) do
    ![by_hash[:by]].flatten.detect { |a|
      if self.respond_to? "#{a.to_s}_count"
        self.send("#{a.to_s}_count") > 0
      else
        self.send(a.to_s).count

demery

class Category < ActiveRecord::Base
  before_destroy :check_deletable
  
  has_many :tasks
  has_many :projects

  # ...
end

class Task < ActiveRecord::Base