Michael Ficarra michaelficarra
michaelficarra
/ textnode-innerhtml.js
Last active
August 29, 2015 14:06
— forked from benvinegar/textnode-innerhtml.js
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| /** | |
| * Proof of concept ESLint rule for warning about potential | |
| * XSS vulnerabilities caused by mixing innerHTML/text node | |
| * property access. | |
| * | |
| * More here: http://benv.ca/2012/10/2/you-are-probably-misusing-DOM-text-methods/ | |
| */ | |
| 'use strict'; | |
| var WARNING_MSG = |
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| import Data.Char | |
| import Data.Word | |
| import Data.Bits | |
| import Data.List | |
| import Data.Maybe | |
| import qualified Data.ByteString as B | |
| import Codec.Crypto.AES | |
| repeatedKeyXor = do |
michaelficarra
/ persistence.hs
Last active
December 20, 2015 08:19
http://en.wikipedia.org/wiki/Persistence_of_a_number
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| import Data.List (unfoldr) | |
| import Data.Tuple (swap) | |
| import System.IO (hSetBuffering, stdout, BufferMode(..)) | |
| placeValues base = reverse . unfoldr (\x -> if x == 0 then Nothing else Just $ swap $ divMod x base) | |
| persistencePath base x = if x < base then [x] else x : (persistencePath base $ product $ placeValues base x) | |
| persistence base n = length (persistencePath base n) - 1 | |
| lowestNumberSuchThat f = head $ dropWhile (not . f) [0..] | |
| main = do |
michaelficarra
/ gist:5976187
Created
July 11, 2013 14:59
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| masksOfLength x = iterate (\y -> map (True:) y ++ map (False:) y) [[]] !! x |
michaelficarra
/ github-screenshots.user.js
Last active
December 19, 2015 00:49
make a github repo presentable for screenshots
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| // ==UserScript== | |
| // @name Github Screenshots | |
| // @description make a github repo presentable for screenshots | |
| // @match https://github.com/* | |
| // @version 0.0.1 | |
| // ==/UserScript== | |
| function hide (node) { | |
| node.style.display = 'none'; | |
| } |
michaelficarra
/ index.html
Created
May 18, 2013 14:32
example password strength meter using lowe/zxcvbn
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title></title> | |
| <style> | |
| .meter { | |
| width: 300px; | |
| height: 50px; | |
| border: 1px solid #666; | |
| position: relative; |
michaelficarra
/ levels.coffee
Last active
December 17, 2015 00:49
identifier-only scope colouring levels
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| fs = require 'fs' | |
| esprima = require 'esprima' | |
| escope = require 'escope' | |
| eslevels = require 'eslevels' | |
| js = (fs.readFileSync './input.js').toString() | |
| ast = esprima.parse js, {range: yes} | |
| scopes = (escope.analyze ast).scopes |
michaelficarra
/ gist:4945178
Created
February 13, 2013 15:00
diagrams to keep my head straight while parsing infix binary operators
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| A && B || C && D | |
| (A && B) || (C && D) | |
| || | |
| / \ | |
| / \ | |
| && && | |
| / \ / \ | |
| A B C D |
michaelficarra
/ definite-integral.hs
Created
February 11, 2013 22:09
definite integral function using left Riemann sum estimation
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| lRiemann fn a b n | |
| | b == a = 0 | |
| | b < a = lRiemann fn b a n | |
| | n <= 0 = undefined | |
| | otherwise = | |
| let width = (b - a) / n in | |
| let xs = init [a, a + width .. b] in | |
| let areas = map (computeArea fn width) xs in | |
| sum areas | |
| where |
michaelficarra
/ .vimrc
Created
January 30, 2013 21:48
CPSA syntax highlighting for vim; based on scheme.vim
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| " CPSA | |
| au BufRead,BufNewFile *.cpsa set ft=cpsa |