George Pittarelli gpittarelli

gpittarelli / gist:4700650

Created February 3, 2013 05:33

Super simple c function to print a binary string without worrying about messing up the terminal


	/* Print a binary string `str` of `len` bytes safely by printing
	* non-printable characters as red hex codes. */
	void safe_print(unsigned char *str, size_t len) {
	unsigned char *it = str;
	while (len--) {
	if (isprint(*it)) {
	putchar(*it);
	} else {
	printf("\33[31m%02X\33[0m", *it);

gpittarelli / xkcd-1806-scrolling-in-emacs.el

Last active March 3, 2017 08:45

Scroll through time, not space! like xkcd 2806, in emacs

	(defun mwheel-scroll (event)
	(interactive (list last-input-event))
	(let ((button (mwheel-event-button event)))
	(cond ((eq button mouse-wheel-down-event)
	(undo-tree-undo))
	((eq button mouse-wheel-up-event)
	(undo-tree-redo)))))

	;; ^ global override for all scrollwheel events
	;; to do it only for shift+scroll, try:

gpittarelli / node_prune.sh

Last active March 3, 2022 17:04

Prunes very-likely-uneeded files from node_modules directories

	#!/usr/bin/env bash
	# Port of https://github.com/tj/node-prune to bash
	# Also,
	# - fixed "*.ts" being overzealous and killing .d.ts files
	# - added some more file types from https://github.com/npm/npm/issues/5264#issuecomment-259800486
	#
	# See also:
	# - https://github.com/timoxley/cruft
	# - https://yarnpkg.com/en/docs/cli/autoclean
	# - https://github.com/ModClean/modclean

gpittarelli / gist:123fcf7864a41b4117850469a6153dbb

Created June 12, 2018 20:11

Mocha hooks ordering

	describe("Level 1", () => {
	before(() => console.log("before 1"));
	beforeEach(() => console.log("beforeEach 1"));
	before(() => console.log("before 2"));
	beforeEach(() => console.log("beforeEach 2"));

	after(() => console.log("after 1"));
	afterEach(() => console.log("afterEach 1"));
	after(() => console.log("after 2"));
	afterEach(() => console.log("afterEach 2"));

gpittarelli / run-batch-job.sh

Created March 7, 2019 18:23

GNU Parallel autoscaling workload example

	#!/usr/bin/env bash

	(
	while ((1)); do
	gcloud --format=json compute instances list --filter="name~'nlp-workers-.*'" \| \
	jq -rc '.[]\|select(.status=="RUNNING").name' > workers.hosts.txt
	sleep 30s
	done
	) & # (or, just run this watcher in a separate script)

gpittarelli / gist:5689979e69eec0f3d76d202c835f3bd0

Created June 20, 2019 23:08

Simple browser xpath helpers

	function* xpathLazy(q) {
	const x = document.evaluate(
	q,
	document,
	null,
	XPathResult.UNORDERED_NODE_ITERATOR_TYPE,
	null
	);
	let n = x.iterateNext();
	while (n) {

gpittarelli / darkpatterns list

Last active June 26, 2019 04:56

List of domains from https://webtransparency.cs.princeton.edu/dark-patterns/ CSV