dillonhafer’s gists

dillonhafer / RN-actioncable-PATCH.ts

Last active September 30, 2021 03:54

Patch bugs in Rails' action cable to be able to use with ReactNative

	// Just "import from './RN-actioncable-PATCH'" before using @rails/actioncable

	import { AppState } from 'react-native';

	let appState = AppState.currentState;
	let sub: { remove(): void } \| null = null;

	// @ts-ignore
	global.document = { visibilityState: 'visible' };

dillonhafer / ▶️ etc ▶️ newsyslog.d ▶️ rails.conf

Last active March 29, 2021 15:58

Keep rails log files trimmed to 2MB

	# logfilename [owner:group] mode count size when flags [/pid_file] [sig_num]
	/Users/<username>/dev/<rails projects>//log/.log <username>:staff 644 0 2000 * G
	# Mono repos
	/Users/<username>/dev/<rails projects>///log/.log <username>:staff 644 0 2000 G
	# Deeper mono repos
	/Users/<username>/dev/<rails projects>////log/.log <username>:staff 644 0 2000 * G

dillonhafer / freethousand-with-dialog.sh

Last active January 23, 2021 00:37

	function freethousand() {
	port="${1:-3000}"
	death_level="${2:-SIGINT}"

	programs=$(lsof -i tcp:$port \| grep "[0-9]" \| awk '{print $2" "$1 }' \| uniq)
	if [ -z "$programs" ]; then
	echo "No processes running on port $port"
	return
	fi
	TMPFILE=$(mktemp)

dillonhafer / authenticated_controller.rb

Last active January 22, 2021 21:36

Ruby JWT

	class AuthenticatedController < ApplicationController
	include ActionController::HttpAuthentication::Token::ControllerMethods

	before_action :authenticate_user

	private

	def authenticate_user
	head(:unauthorized) if current_user.blank?
	end

dillonhafer / deferred_constraints_2.sql

Last active August 23, 2019 16:22

The only thing I can think of is that the insert statement inside of the CTE is forcing all the connection constraints to deferred, but there’s no documentation that’s even remotely close to that explanation.

	create table users (
	name text primary key
	);

	create table groups (
	name text primary key,
	user_name text not null references users
	);

	alter table users

dillonhafer / deferred_constraints.sql

Created August 23, 2019 16:01

I cannot explain why this works

	create table users (
	name text not null primary key
	);

	create table groups (
	name text not null primary key,
	owner text not null references users
	);

	create table groups_users (

dillonhafer / app.js

Created August 6, 2019 19:13

How to use useCallback with memoized functions

	// Taken from https://codesandbox.io/s/usecallback-hooks-vs-class-i1efp
	import React, { useRef, useCallback, useState } from 'react'
	import ReactDOM from 'react-dom'
	import faker from 'faker'
	import equal from 'fast-deep-equal'
	import times from 'lodash/times'

	import './styles.css'
	const initialState = times(200, i => ({
	id: i,

dillonhafer / budgetal.service

Created May 2, 2019 15:06

	[Unit]
	Description=Budgetal
	ConditionPathExists=/home/deploy/budgetal-beta/budgetal
	After=network.target

	[Service]
	EnvironmentFile=/home/deploy/budgetal-beta/budgetal-env
	Type=simple
	User=deploy
	Group=deploy

dillonhafer / nginx.conf

Created May 2, 2019 15:05

	# APEX & NON-TLS
	server {
	listen 80;
	listen [::]:80;
	server_name example.com www.example.com;
	return 301 https://www.example.com$request_uri;
	}

	server {
	listen 80;

dillonhafer / brake-change.md

Last active October 14, 2018 17:02

List of tools needed to change brakes

Dillon Hafer dillonhafer