symmetriq

#!/usr/bin/env ruby

#-------------------------------------------------------------------------------
# Toggle Camelcase _
#-------------------------------------------------------------------------------
# Jason Sims <jason@symmetriq.com>
#-------------------------------------------------------------------------------
#
# Toggles between camelcase and underscores
# e.g. doTheThing <-> do_the_thing

symmetriq

#!/usr/bin/env ruby

#-------------------------------------------------------------------------------
# Toggle Quotes
#-------------------------------------------------------------------------------
# Jason Sims <jason@symmetriq.com>
#-------------------------------------------------------------------------------
#
# Toggle between single and double quotes. Within the selected text, every
# double quote will become a single quote and vice-versa.

symmetriq

#!/usr/bin/env ruby

#-------------------------------------------------------------------------------
# Toggle Parentheses
#-------------------------------------------------------------------------------
# Jason Sims <jason@symmetriq.com>
#-------------------------------------------------------------------------------
#
# For languages with optional parentheses, such as Ruby and CoffeeScript.
#

erica

extension String {
    var composedCount : Int {
        var count = 0
        enumerateSubstringsInRange(startIndex..<endIndex, options: .ByComposedCharacterSequences) {_ in count++}
        return count
    }
}

gbuesing

UPDATE a fork of this gist has been used as a starting point for a community-maintained "awesome" list: machine-learning-with-ruby Please look here for the most up-to-date info!

Resources for Machine Learning in Ruby

Gems

• liblinear-ruby: Ruby interface to LIBLINEAR using SWIG

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

tobyhede

 -- PostgreSQL 9.2 beta (for the new JSON datatype)
 --   You can actually use an earlier version and a TEXT type too
 -- PL/V8 http://code.google.com/p/plv8js/wiki/PLV8

 -- Inspired by 
 -- http://people.planetpostgresql.org/andrew/index.php?/archives/249-Using-PLV8-to-index-JSON.html
 -- http://ssql-pgaustin.herokuapp.com/#1

  -- JSON Types need to be mapped into corresponding PG types 
  -- 

rwilcox

tell application "BBEdit" to set theFile to file of document 1
tell application "Finder" to set theFolder to (container of file theFile) as alias
set theUnixPath to POSIX path of theFolder

set output to return & "cd '" & theUnixPath & "'; pwd"
tell application "BBEdit"
	set uws to Unix worksheet window
	tell uws
		select insertion point after last character
		set selection to output

cwestin

// make sure we're using the right db; this is the same as "use aggdb;" in shell
db = db.getSiblingDB("aggdb");

// simple projection
var p1 = db.runCommand(
{ aggregate : "article", pipeline : [
    { $project : {
	tags : 1,
	pageViews : 1
    }}

pwim

escaped = CGI.unescape(query)
return escaped if escaped.valid_encoding?
%w[EUC-JP Shift_JIS].each do |encoding|
  s = escaped.force_encoding(encoding)
  return s.encode("UTF-8") if s.valid_encoding?
end
escaped