dcluna’s gists

dcluna / metaprog_csv.rb

Created March 20, 2012 17:18

Metaprog CSV

	require 'csv' # ruby 1.9

	class FromCSV
	def initialize(file)
	col_names = nil
	CSV.open(file, "r") { \|csv_file\| col_names = csv_file.shift } # reads first line of the CSV file
	@file = file
	class <<self
	self
	end.class_eval do

dcluna / gist:2147164

Created March 21, 2012 14:10 — forked from fogus/gist:2124742

giftube – Generates an animated gif from a YouTube url.

	#!/usr/bin/env ruby

	# giftube – Generates an animated gif from a YouTube url.
	#
	# Usage:
	#
	# giftube [youtube url] [minute:second] [duration]
	#
	# ex.
	#

dcluna / date_filterable.rb

Created March 22, 2012 17:29

Metaprog: dynamically add methods to a class

	module DateFilterable
	private
	def filterable_by(field)
	class_filter = %Q{def filter_by_date(min,max=nil)
	if max.nil?
	where("#{field} > :min_date", { :min_date => min } )
	else
	where("#{field} >= :min_date, #{field} < :max_date", { :min_date => min, :max_date => max } )
	end
	end}

dcluna / lisp-ruby.rb

Created April 5, 2012 02:06

Lisp in Ruby

	class Risp
	@@envs = []
	def initialize
	define_environment({})
	end

	def eval(arg)
	if arg.is_a? Symbol # accessor
	@env[arg]
	elsif !arg.is_a? Array # atom - is not a list

dcluna / Gemfile

Created June 19, 2012 20:01 — forked from BrianTheCoder/Gemfile

an example of full text search in postgres using datamapper

dcluna / regexparser.py

Created July 18, 2012 04:07

Regex parser in python

	"Recursive-descent parser for Regexes, based on: http://matt.might.net/articles/parsing-regex-with-recursive-descent/ \
	Test project for Emacs + Python"

	class Parser():
	"Recursive descent regex parser"

	def __init__(self, regex):
	"Initializes the parser with the regex string"
	self.input = regex
	self.current = 0

dcluna / gist:3306227

Created August 9, 2012 17:32

gem env

	RubyGems Environment:
	- RUBYGEMS VERSION: 1.8.11
	- RUBY VERSION: 1.9.3 (2012-02-16 patchlevel 125) [x86_64-linux]
	- INSTALLATION DIRECTORY: /usr/local/rvm/gems/ruby-1.9.3-p125
	- RUBY EXECUTABLE: /usr/local/rvm/rubies/ruby-1.9.3-p125/bin/ruby
	- EXECUTABLE DIRECTORY: /usr/local/rvm/gems/ruby-1.9.3-p125/bin
	- RUBYGEMS PLATFORMS:
	- ruby
	- x86_64-linux
	- GEM PATHS:

dcluna / gist:3306243

Created August 9, 2012 17:34

bundle config

	---
	BUNDLE_BUILD__PG: --with-pg-lib=/usr/pgsql-9.1/lib/ --with-pg-config=/usr/pgsql-9.1/bin/pg_config
	BUNDLE_BUILD__DO_POSTGRES: --with-pgsql-server-include=/usr/pgsql-9.1/include/server/
	--with-pgsql-client-dir=/usr/pgsql-9.1/

dcluna / gist:3306558

Created August 9, 2012 17:58

project flow

	cd receiver
	export GIT_SSL_NO_VERIFY=true
	bundle config build.do_postgres --with-pgsql-server-include=/usr/pgsql-9.1/include/server/ --with-pgsql-client-dir=/usr/pgsql-9.1/
	bundle config build.pg --with-pg-lib=/usr/pgsql-9.1/lib/ --with-pg-config=/usr/pgsql-9.1/bin/pg_config
	bundle install
	cd tests
	ruby basic_tests.rb
	# at this point, it shows:
	# /usr/local/rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in # `require': cannot load such file -- dm-core (LoadError)
	# from /usr/local/rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'

dcluna / gist:3343716

Created August 13, 2012 20:00

Frames + Windows key setup

	(define-prefix-command 'frame-map)
	(define-prefix-command 'window-map)
	(global-set-key (kbd "<f1>") 'frame-map)
	(global-set-key (kbd "<f2>") 'window-map)
	(define-key 'frame-map (kbd "RET") 'make-frame-command)
	(define-key 'window-map (kbd "RET") 'make-window-command)
	(define-key 'frame-map (kbd "b") 'ido-switch-buffer-other-frame) ;; todo: check if ido is active
	(define-key 'window-map (kbd "b") 'ido-switch-buffer-other-window)
	(define-key 'frame-map (kbd "f") 'ido-find-file-other-frame)
	(define-key 'window-map (kbd "f") 'ido-find-file-other-window)

Daniel Luna dcluna