fabrizioc1’s gists

fabrizioc1 / tc_encoding.rb

Created February 28, 2011 20:38

A test case to check how libxml-ruby handles ruby 1.9 string encodings

	# encoding: UTF-8
	require 'xml'
	require 'test/unit'

	class EncodingTest < Test::Unit::TestCase

	def setup()
	@xml = <<-EOS
	<?xml version='1.0' encoding='UTF-8'?>
	<test>

fabrizioc1 / ruby_extend_and_include.rb

Created March 21, 2011 21:35

The difference between extend and include in Ruby

	require 'test/unit'
	require 'active_support/all'

	class TestExtendAndInclude < Test::Unit::TestCase

	module SomethingExtended
	mattr_accessor :data_attributes

	def data_attribute(name)
	self.data_attributes \|\|= []

fabrizioc1 / gem-uninstall.rb

Created July 10, 2011 21:00

Clean up all gems

	#
	# Now run gem-uninstall.sh
	# The minimum needed for 1.9.2 is rake, rdoc, and minitest, usually they don't deleted
	#
	gems=`gem list`.split(/\n/).map{\|gem\| name=gem.gsub(/\s+\(.+?\)/,""); "gem uninstall -I -x -a #{name}"}
	File.open("gem-uninstall.sh","w+") do \|f\| gems.each{\|g\| f.puts g} end

fabrizioc1 / random_password.rb

Created July 12, 2011 22:38

Generating a random password in one line

	# Ruby 1.9.2
	password="".tap{\|s\| 8.times { s << sprintf("%c",Random.new.rand(33..126)) } }
	# Another way
	password=(33..126).to_a.shuffle.take(8).map(&:chr).join
	# Using only safe/printable characters
	valid_chars = ('a'..'z').to_a + ('A'..'Z').to_a + ('0'..'9').to_a
	password = valid_chars.shuffle.take(8).join

fabrizioc1 / install-sqlite.sh

Created July 14, 2011 18:34

Installing sqlite3 in CentOS for use with ruby-sqlite3

	# The YUM package is too old for use with ruby-sqlite3, use the autoconf package from www.sqlite.org
	cd /opt
	wget http://www.sqlite.org/sqlite-autoconf-3070701.tar.gz
	tar xvzf sqlite-autoconf-3070701.tar.gz
	ln -s /opt/sqlite-autoconf-3070701 /opt/sqlite3
	cd /opt/sqlite3
	./configure --prefix=/opt/sqlite3
	make
	make install
	# Shared library will be installed in /usr/local/lib.

fabrizioc1 / ShowMemory.java

Created August 30, 2011 13:40

Show max JVM memory

	public class ShowMemory
	{
	public static void main(String args[])
	{
	long maxBytes = Runtime.getRuntime().maxMemory();
	System.out.println("Max memory: " + maxBytes / 1024 / 1024 + "M");
	}
	}

fabrizioc1 / fork_test.rb

Created August 31, 2011 08:00

Fork Testing

	pid = fork do
	#Signal.trap('HUP', 'IGNORE') # Don't die upon logout
	10.times do
	puts "sleeping in child"
	sleep 10
	end
	end

	#Process.waitpid(pid)
	Process.wait

fabrizioc1 / gemspec

Created September 2, 2011 16:19 — forked from defunkt/gemspec

Quickly create a gemspec.

	#!/usr/bin/env ruby
	# Usage: gemspec [-s] GEMNAME
	#
	# Prints a basic gemspec for GEMNAME based on your git-config info.
	# If -s is passed, saves it as a GEMNAME.gemspec in the current
	# directory. Otherwise prints to standard output.
	#
	# Once you check this gemspec into your project, releasing a new gem
	# is dead simple:
	#

fabrizioc1 / hierarchy.rb

Created September 27, 2011 02:42

Pivot child to parent relationship

fabrizioc1 / oracle_timeout_fix.rb

Created September 30, 2011 04:55 — forked from defunkt/connection_fix.rb

Oracle "not connected to ORACLE" fix

	# If your workers are inactive for a long period of time, they'll lose
	# their Oracle connection.
	#
	# This hack ensures we re-connect whenever a connection is
	# lost. Because, really. why not?
	#
	# Stick this in RAILS_ROOT/config/initializers/connection_fix.rb (or somewhere similar)
	#
	# From:
	# http://coderrr.wordpress.com/2009/01/08/activerecord-threading-issues-and-resolutions/