Diego Echeverri diegoeche

Colombian coder living in Berlin. Do not contact me directly to my email for job offers.

diegoeche / gist:8073588

Created December 21, 2013 19:14

	2.0.0p247 :012 > [nil,2,3].lazy.map { \|x\|
	puts "evaluating #{x}. This could be expensive"
	x ? x * 10 : x
	}.detect { \|x\|
	x && x >= 20
	}
	evaluating . This could be expensive
	evaluating 2. This could be expensive
	=> 20

diegoeche / redis_lock_test.rb

Created November 14, 2013 15:28

	lock = RedisLock.new(:client => $stats_wolverine,
	:name => "My Lock",
	:timeout => 10)

	shared_var = 1

	lock.atomically {
	shared_var += 1
	lock.atomically {
	shared_var += 1 # This one fails

diegoeche / MondayTalk.org

Created November 8, 2013 12:58

Global Tournament (How to optimize it)

diegoeche / tmp.txt

Created October 31, 2013 15:06

diegoeche / tmp.txt

Created October 31, 2013 15:05

diegoeche / estimator.rb

Created October 31, 2013 14:22

	def compress!
	r_i = 0.0
	c = Cursor.new(self.samples)
	while ~c != nil && ~c.next != nil
	r_i = (~c).rank + (~c.next).value + (~c.next).delta
	if r_i <= @invariant.upper_bound(r_i, n)
	removed = ~c.next
	(~c).value = removed.value
	(~c).delta = removed.delta
	c.remove!

diegoeche / tmp.txt

Created September 30, 2013 12:32

diegoeche / tmp.txt

Created September 30, 2013 12:26

diegoeche / tmp.rb

Created September 24, 2013 10:03

diegoeche / tmp.rb

Created September 24, 2013 09:48