benjamingeiger’s gists

benjamingeiger / gist:4145298

Created November 25, 2012 20:57

How do I parallelize this?

benjamingeiger / kernels.cl

Created November 25, 2012 17:40

Failing syntax/matching.

	__kernel void
	aes128_expand_encryption_key ( __global uint4 *key ,
	__global uint4 *expandedkeys )
	{
	uint rd;

	uint global_id = get_global_id(0);

	__global uint4 * ex = (expandedkeys + (global_id * 11));

benjamingeiger / gist:3835506

Created October 4, 2012 18:34

XOR method with type error.

	private static byte[] xor(byte[] left, byte[] right, int len)
	{
	byte[] output = new byte[len];
	for (int i = 0; i < len; i++) {
	output[i] = (byte) ((byte) left[i]) ^ ((byte) right[i]);
	}

	return output;
	}

benjamingeiger / gist:3627064

Created September 4, 2012 21:52

Cartesian product of lists in Python.

	def cartesian (lists):
	if lists == []: return [()]
	return [x + (y,) for x in cartesian(lists[:-1]) for y in lists[-1]]

	print cartesian([[1, 2, 3], [2, 4, 6], [3, 6, 9]])

benjamingeiger / sorted.py

Created August 28, 2012 01:30

Python script to find the longest words with letters in reverse alphabetical order.


	# Remove non-alphabetic characters (hyphens, etc) from the word.
	def strip_non_alpha(word):
	return "".join([x for x in list(word.lower()) if (x >= 'a' and x <= 'z')])

	# Sort the letters in the word (in reverse).
	def sort_letters(word):
	letters = sorted(list(word))
	letters.reverse()
	return "".join(letters)

benjamingeiger / gist:3476235

Created August 26, 2012 08:32

GCC vs. Clang in Mountain Lion

	[bgeiger@Maximus][~/Desktop]$ which clang
	/usr/bin/clang
	[bgeiger@Maximus][~/Desktop]$ clang --version
	Apple clang version 4.0 (tags/Apple/clang-421.0.57) (based on LLVM 3.1svn)
	Target: x86_64-apple-darwin12.1.0
	Thread model: posix
	[bgeiger@Maximus][~/Desktop]$ which gcc
	/usr/bin/gcc
	[bgeiger@Maximus][~/Desktop]$ gcc --version
	i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)

benjamingeiger / gist:3224160

Created August 1, 2012 06:01

Grid search implementation.

	def grid_search(features, results):
	gamma_values = [(2 ** n) for n in range(-15, 4)]
	cost_values = [(2 ** n) for n in range(-5, 16)]

	params_values = [(gamma, cost) for gamma in gamma_values
	for cost in cost_values]

	best_auc = 0
	best_gamma = None
	best_cost = None

benjamingeiger / gist:2410509

Created April 18, 2012 01:54

Zebralisting plugin

	// lib/main.js

	var pageMod = require("page-mod");
	var self = require("self");

	pageMod.PageMod({
	include: "*",
	contentScriptWhen: 'ready',
	contentScriptFile: [self.data.url("jquery-1.7.2.min.js"),
	self.data.url("zebra.js")]

benjamingeiger / gist:1124599

Created August 4, 2011 06:27

Chrome plugin options page - can't find "restore_blocklist()"

	<html>
	<head>
	<title>Porcupine Options</title>
	</head>

	<script src="jquery.js" type="text/javascript" />
	<script type="text/javascript">
	function restore_blocklist() {
	//var blocklist = localStorage["porcupine-blocklist"];
	var blocklist = [ "foo", "bar", "baz" ];

benjamingeiger / gist:1025488

Created June 14, 2011 18:10

output of 'rake' in nifty-generators source tree

	bgeiger@siwoti-rails:~/src/nifty-generators$ rake --trace
	WARNING: Global access to Rake DSL methods is deprecated. Please include
	... Rake::DSL into classes and modules which use the Rake DSL methods.
	WARNING: DSL method Cucumber::Rake::Task#desc called at /home/bgeiger/.rvm/gems/ruby-1.9.2-p180@nifty-generators/gems/cucumber-0.9.4/lib/cucumber/rake/task.rb:140:in `define_task'
	WARNING: DSL method Cucumber::Rake::Task#task called at /home/bgeiger/.rvm/gems/ruby-1.9.2-p180@nifty-generators/gems/cucumber-0.9.4/lib/cucumber/rake/task.rb:141:in `define_task'
	** Invoke default (first_time)
	** Invoke features (first_time)
	** Execute features
	rake aborted!
	uninitialized constant Cucumber::Rake::Task::ForkedCucumberRunner::RUBY

Benjamin Geiger benjamingeiger