noahlt’s gists

noahlt / fizzbuzz.hs

Created December 18, 2013 02:21

FizzBuzz in Haskell — I'm sure this has been done before, but this one is mine.

mapM_ putStrLn [ if x `mod` 15 == 0 then "fizzbuzz" else if x `mod` 3 == 0 then "fizz" else if x `mod` 5 == 0 then "buzz" else show x | x <- [1..100]]

noahlt / documentation.java

Created February 11, 2014 21:29

	/*
	* TOA = TON + NPI
	* See TS 24.008 section 10.5.4.7 for details.
	* These are the only really useful TOA values
	*/
	public static final int TOA_International = 0x91;
	public static final int TOA_Unknown = 0x81;

noahlt / .flowconfig

Last active August 29, 2015 14:19

flow check: declare module

	[ignore]

	[include]

	[libs]
	./lib.js

	[options]

noahlt / lintjs.sh

Created August 3, 2015 18:49

semiautomatic semicolon insertion

	#!/usr/bin/env bash

	# lintjs.sh

	REPO_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )
	JS_FILES=$(find . \
	-not -path 'node_modules' \
	-not -path 'module-cache' \
	-not -path '/lib/' \
	-not -name '*.min.js' \

noahlt / react_dont_update_children.html

Created October 17, 2015 00:52

Hack to block re-rendering child when parent was updated

	<!DOCTYPE html>
	<html>
	<head>
	<title>Hack to block re-rendering child when parent was updated</title>
	<script src="https://fb.me/react-0.13.0.js"></script>
	<script src="https://fb.me/JSXTransformer-0.13.0.js"></script>
	</head>
	<body>
	</body>

noahlt / pick.py

Created November 17, 2015 18:12

Pick keys/values from dict

	def pick(d, filter_tree):
	'''Returns a new dictionary by picking keys/values from d per filter_tree.
	Works recursively: values in filter_tree can be either True or dictionaries
	which are their own filters.

	>>> d = {'a': 1, 'b': 2, 'c': {'foo': -1, 'bar': -2}, 'd': {'r': 'red', 'b': 'blue'}}
	>>> pick(d, {'a': True, 'b': True})
	{'a': 1, 'b': 2}
	>>> pick(d, {'a': True, 'b': True, 'd': True})
	{'a': 1, 'b': 2, 'd': {'r': 'red', 'b': 'blue'}}

noahlt / SafeReactComponent.js

Created March 9, 2016 18:21

Catch errors in render() with SafeReactComponent

	var React = require('react');
	var _ = require('underscore');

	// Catches errors in render() and returns null so that we don't
	// break the entire React app.
	var SafeReactComponent = function(classObj) {
	var originalRender = classObj.render;
	var displayName = classObj.displayName \|\| 'unknown component';
	return React.createClass(_.extend(classObj, {
	render: function() {

noahlt / lodash_groupby_style.md

Created May 11, 2016 17:50

A bit easier to read:

var installed = WindowController.getInstalledPlugins();
return {
  installedPlugins: _.intersection(conf.SUPPORTED_EDITORS, installed),
  uninstalledPlugins: _.difference(conf.SUPPORTED_EDITORS, installed),
}

noahlt / remote_env_vars.sh

Created May 17, 2016 23:34

Using environment variables from remote servers

	#!/usr/bin/env bash

	# A couple of handy bash functions that I have in my .bashrc:

	# get_env uses ssh to copy an environment variable from a remote
	# server to your current machine. Example usage:
	#
	# get_env SOME_VAR_NAME example.com
	get_env () {
	VARNAME=$1

noahlt / prctx.go

Created August 24, 2016 23:19

Print context of string around a point

	// Print context of string around a point

	func prctx(buf string, point int) {
	if point < 0 \|\| point >= len(buf) {
	log.Printf("context for point: out of bounds (%d/%d)", point, len(buf))
	return
	}

	min := func(a int, b int) int {
	if a < b {

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