Skip to content

Instantly share code, notes, and snippets.

Avatar

Nels Nelson nelsnelson

View GitHub Profile
View bar.java
package x;
import org.jruby.embed.ScriptingContainer;
public class Bar {
public static void main(String[] args) {
System.out.println(new ScriptingContainer().
runScriptlet("class Foo < Java::x.Bar; end; Foo")); // => class x.Bar
}
}
View test.py
#! /usr/bin/env python
from sys import argv
from string import ascii_letters
from string import digits
from random import choice
from re import findall
n=int(argv[1]); charset=list(ascii_letters+digits+" ")
View test.rb
#! /usr/bin/env ruby
n=ARGV.first.to_i; charset='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 '.split(//)
def generate(charset, n)
(0..n).map{(0..17).map{charset[rand(charset.length)]}.join.unpack('H*').join.scan(/.{2}/).join(' ') }
end
def decode(samples)
samples.map{|x|x.split.map{|a|a.to_i(16)}.pack('c*')}
View example.rb
#! /usr/bin/env ruby
require 'rubygems'
require 'sequel'
Sequel.extension :migration
class TestSomeDatabaseRoutines
def setup
TestDatabase.down
View example2.rb
#! /usr/bin/env ruby
require 'rubygems'
require 'sequel'
# class TestDatabase
# def up; [nil, nil, nil]; end # (blah blah blah)
# def down; [nil, nil, nil]; end
# end
#
View ruby_sequel_implicit_dataset_disabled_example.rb
#! /usr/bin/env ruby
# Now one can define models this way:
class Test < Sequel::Model(Sequel::Model.db, :implicit_dataset => false)
end
View model.rb.diff
37c37,38
< def self.Model(source)
---
> def self.Model(source, params={})
> Model.options = params
View base.rb.diff
7a8,15
> def self.options=(options)
> @@options = options
> end
>
> def self.options
> @@options ||= {}
> end
>
261a270,275
@nelsnelson
nelsnelson / overridden_fixnum_less_than.rb
Created Apr 6, 2011
Example of JRuby Fixnum problem.
View overridden_fixnum_less_than.rb
#! /usr/bin/env ruby
class Fixnum
def < (other)
puts "Determining membership of #{self.inspect} in #{other.inspect}..."
return false unless other
if other.is_a? Enumerable or other.is_a? Array
other >= self
else
View gist:920946
$ cat /etc/*-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=10.10
DISTRIB_CODENAME=maverick
DISTRIB_DESCRIPTION="Ubuntu 10.10"
$ uname -a
Linux slim 2.6.35.4-rscloud #8 SMP Mon Sep 20 15:54:33 UTC 2010 x86_64 GNU/Linux