Andy Davies andydavies

Image & Video Optimization

Twitter accounts you should follow if you like Image & Video Optimization

People

👀📎 It looks like you're preparing to MC a conference...

🚨 GIANT DISCLAIMER: This stuff is far from authoritative. But it's what I think works for me, and what I enjoy in an MC when I'm attending a conference.

Biggest tip - enjoy yourself.

How to extract dylib from shared cache

To understand iOS behaviors, sometimes it’s important to disassemble iOS framework binaries.

Since recent iOS firmware, known as .ipsw file, contains non-encrypted root image, it’s easy to access these binaries. However, each framework binaries, dylib files, are placed in a shared cache file.

Thus, before disassembling it, we need to extract the one from the cache.

iPhone Tethering to Raspberry Pi

Instruction

On RPi

sudo apt-get install usbmuxd
connect iPhone

On iPhone

Trust

Crash Course in CrUX

CrUX is the Chrome UX Report from Google. This crash course will take you through everything you need to get the most out of the data.

1. Official Docs

https://developers.google.com/web/tools/chrome-user-experience-report/

2. Guides on web.dev

I had a long overdue holiday planned. For many people this would mean going somewhere and relax. Turns out I'm not the sight-seeing person , I'm more of a people-seeing person: talking to people and exchanging new ideas is what makes me tick. Having been a consultant for several years, you learn the most from new environments. Interns would have that opportunity to apply , but why can't people with more experience?

So I launched on twitter the idea of what company is willing to do an exchange. After receiving several replies I got invited by Ramon Van Alteren from Unomaly and deciced to take a leap of faith.

It felt like the excitement of starting a new job. Scary , because you don't know what to expect.

	const bypass = [
	// function names to avoid logging
	];
	const collapsed = [
	// function names to groupCollapsed
	];

	module.exports = function(babel) {
	const { types: t } = babel;
	const wrapFunctionBody = babel.template(`{

	const { Builder, Capabilities } = require('selenium-webdriver');

	(async function example() {
	const caps = Capabilities.safari();
	caps.set('platformName', 'iOS');
	const driver = await new Builder()
	.forBrowser('safari')
	.withCapabilities(caps)
	.build();
	try {

	# Instructions for installing Pi-hole 4.2 on UniFi CloudKey Gen 1 (UC-CK) running firmware 0.13.6
	# Pi-hole will need to be completely re-installed after every FW update or if CloudKey is reset to defaults.

	# Verify UC-CK is running firmware v0.13.6 (or later) before installing Pi-hole. If not, do:
	ubnt-systool fwupdate https://dl.ubnt.com/unifi/stage/cloudkey/firmware/UCK/UCK.mtk7623.v0.13.6.7ad551e.190225.0939.bin

	# UC-CK firmware v0.13.6 downgrades UniFi Controller to 5.10.17. Upgrade to 5.10.19 with:
	cd /tmp
	wget https://dl.ubnt.com/unifi/5.10.19/unifi_sysvinit_all.deb
	dpkg -i unifi_sysvinit_all.deb