drhisham-code

The IOKit framework is Apple’s base framework to interact with devices. This is your go to when for instance working with USB devices.

There is a way in IOKit to register notifications to discover devices as they are plugged by our users. The API seems easy enough (see IOKitLib header)

However I was puzzled for quite long why my notifications were not processed. It turns out you have to process the iterator immediately after calling IOServiceAddMatchingNotification, otherwise notifications won’t be

Mobile Safari's 100% Height Dilemma

Whether you're developing a web application with native-ish UI, or just a simple modal popup overlay that covers the viewport, when it comes to making things work on iDevices in Mobile Safari, you're in for a decent amount of pain and suffering. Making something "100% height" is not as easy as it seems.

This post is a collection of Mobile Safari's gotchas and quirks on that topic, some with solutions and fixes, some without, in good parts pulled from various sources across the internets, to have it all in one place. Things discussed here apply to iOS8, iOS9 and iOS10.

The Disappearing Browser Chrome

Screen real estate on smartphones is limited, so Mobile Safari collapses the browser chrome (address bar and optional tab bar at the top, and tool bar at the bottom) when the user scrolls down. When you want to make something span exactly the height of the viewport, or pin something to the bottom of the screen, this can get tricky because the viewport changes size (or

	import log from "ololog"

	class Grid {
	rows = []
	width = 0
	height = 0

	chars = {
	active: ["┌", "─", "┒", "┃", "┛", "━", "┕", "│"],
	inactive: ["┌", "─", "┐", "│", "┘", "─", "└", "│"],

	/*
	This is not meant to be a final CSSWG proposal,
	but reflects my immediate thoughts after reading
	[David Baron's](https://github.com/dbaron/container-queries-implementability) promising draft.
	This gist was created to demonstrate my idea for removing selectors from his query syntax.

	More of my thoughts & notes are online at css.oddbird.net/rwd/
	*/

	main,

	/*
	It's now a package. You can find it here:

	https://github.com/joshnuss/svelte-local-storage-store
	*/



	// Svelte store backed by window.localStorage
	// Persists store's data locally

	#!/bin/bash

	set -e

	CONTENTS=$(tesseract -c language_model_penalty_non_dict_word=0.8 --tessdata-dir /usr/local/share/tessdata/ "$1" stdout -l eng \| xml esc)

	hex=$((cat <<EOF
	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
	<plist version="1.0">