Nimalan Mahendran nybbles

nybbles / students.lua

Created December 17, 2015 01:46

Multivariate student-t distribution in Lua/Torch

	#!/usr/bin/env th

	local distrib = require 'distributions'
	local cephes = require 'cephes'

	local function logp_studentT(x, mu, chol_sigma, v)
	local lgam = cephes.lgam
	local d = mu:size(1)

	local inv_sigma = torch.potri(chol_sigma)

nybbles / gist:2802052

Created May 27, 2012 03:33

Keyword parameters in Clojure, by Rich Hickey

	;; From https://groups.google.com/forum/?fromgroups#!msg/clojure/CqV6smX3R0o/-FRxB8pTu1EJ

	(defn keyword? [x]
	(instance? clojure.lang.Keyword x))

	(defmacro defnk [sym args & body]
	(let [pos-keys (split-with (complement keyword?) args)
	ps (pos-keys 0)
	ks (apply array-map (pos-keys 1))
	gkeys (gensym "gkeys__")

nybbles / gist:2650904

Created May 10, 2012 03:41 — forked from jevgeni/gist:2649516

	# This is just pseudocode, haven't tested it.

	s = [];
	s.push((root, False));

	while !s.empty():
	node, seen = s.pop();
	if !seen:
	if node.right:
	s.push((node.right, False))

nybbles / gist:1985429

Created March 6, 2012 10:02

Why does this hang?

	(ns blah.core
	(:require [clojure.string :as string])
	(:use lamina.core)
	(:use [aleph.http :as http]
	[aleph.formats :as formats]))

	(defn get-content-channel [url]
	(run-pipeline
	url
	#(http/http-request {:method :get :url %1})

nybbles / no_starvation.py

Created December 6, 2011 07:53

Solution to readers-writer problem

	# Implement this!
	# Look here for answer: http://www.rfc1149.net/blog/2011/01/07/the-third-readers-writers-problem/