Andrew Wong w0ng

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Folder Structure

Please note

While this gist has been shared and followed for years, I regret not giving more background. It was originally a gist for the engineering org I was in, not a "general suggestion" for any React app.

Typically I avoid folders altogether. Heck, I even avoid new files. If I can build an app with one 2000 line file I will. New files and folders are a pain.

Encoding Video

Installing

Install FFmpeg with homebrew. You'll need to install it with a couple flags for webm and the AAC audio codec.

brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aac --with-opus

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

Step 1 - Make a Discord Webhook

Find the Discord channel in which you would like to send commits and other updates
In the settings for that channel, find the Webhooks option and create a new webhook. Note: Do NOT give this URL out to the public. Anyone or service can post messages to this channel, without even needing to be in the server. Keep it safe!

Step 2 - Set up the webhook on Github

Navigate to your repository on Github, and open the Settings

If you use server rendering, keep in mind that neither useLayoutEffect nor useEffect can run until the JavaScript is downloaded.

You might see a warning if you try to useLayoutEffect on the server. Here's two common ways to fix it.

Option 1: Convert to useEffect

If this effect isn't important for first render (i.e. if the UI still looks valid before it runs), then useEffect instead.

function MyComponent() {

-/*
-This script, when used with Google Apps Scripts, will delete 400 emails and
-can be triggered to run every few minutes without user interaction enabling you
-to bulk delete email in Gmail without getting the #793 error from Gmail.
-Google returns a maximum of 500 email threads in a single API call.
-This script fetches 400 threads in case 500 threads is causing timeouts
-Configure the search query in the code below to match the type of emails
-you want to delete

	'''
	Easy Mac
	Copyright (2015) Sean Beck
	Licensed under Creative Commons Attribution-ShareAlike 4.0 International
	See: https://creativecommons.org/licenses/by-sa/4.0/

	Easily change your MAC address on Linux using `ifconfig`
	'''
	#!/usr/bin/python2.7

	#!/bin/bash

	web_service='nginx'
	config_file="/usr/local/etc/le-renew-webroot.ini"

	le_path='/opt/letsencrypt'
	exp_limit=30;

	if [ ! -f $config_file ]; then
	echo "[ERROR] config file does not exist: $config_file"

	(* 2019-06-07: Added nohup and output redirection to fix a bug with "Open Terminal here" feature.
	Thanks to @fools-mate for bringing the issue to my attention. *)
	on alfred_script(q)
	do shell script "cd ~; nohup /Applications/kitty.app/Contents/MacOS/kitty /bin/bash -c \"source ~/.bashrc && " & q & ";/bin/bash\" > /dev/null 2>&1 &"
	end alfred_script