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Parsing Apple Health data

If you’ve ever wanted to analyze your own health data, here’s how.

Exporting as XML

Open the Health app.
Tap on your profile in the top right.
Tap Export All Health Data.
Share the archive with yourself (e.g. via AirDrop, Files, Mail, etc.).

Overview

Stable enough for my initial use-case, light-duty laptop for travel and presentations, running Linux all the time but retain a small ChromeOS volume for firmware updates and restoring settings.

1st attempt I wiped the drive and then found that when the machine attempted to suspect when the lid closed it wiped the NVRAM with no other option to boot into legacy mode than to restore ChromeOS and enable it again.

Setup base system in ChromeOS
Fully encrypted Btrfs root partition & ext4 boot
Install Arch Linux

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

	def html2markdown(self, html):
	# convert html to markdown.
	# specification:
	# remove all tag exccept tags listed in the cleanbody._repl
	# when p/div tags are in the table tag, markdown converter (htmlformatter)
	# confuses. so it is removed

	# we need following in the header
	# import re, html2text
	# from bs4 import BeautifulSoup

	<#
	.SYNOPSIS
	Renames pictures.

	.DESCRIPTION
	The Rename-Pictures cmdlet to rename pictures to a format where the file creation time is first
	in the name in this format: . The idea is that

	.PARAMETER Path
	Specifies the path to the folder where image files are located. Default is current location (Get-Location).

	#!/bin/bash
	dnf install gmp-devel mpfr-devel texinfo bison git gcc-c++ -y

	mkdir ld.gold && cd ld.gold
	git clone --depth 1 git://sourceware.org/git/binutils-gdb.git binutils

	mkdir build && cd build
	../binutils/configure --enable-gold --enable-plugins --disable-werror
	make all-gold
	cd gold

	using UnityEditor;
	using UnityEngine;

	[CustomEditor(typeof(MeshFilter))]
	public class NormalsVisualizer : Editor {

	private const string EDITOR_PREF_KEY = "_normals_length";
	private Mesh mesh;
	private MeshFilter mf;
	private Vector3[] verts;

	<ifModule mod_rewrite.c>
	RewriteEngine On
	RewriteBase /
	RewriteCond %{REQUEST_FILENAME} !-f
	RewriteCond %{REQUEST_FILENAME} !-d
	RewriteRule (.*) /index.html [QSA,L]
	</ifModule>

	# The definition of color schemes.
	schemes:
	gruvbox_material_hard_dark: &gruvbox_material_hard_dark
	primary:
	background: '0x1d2021'
	foreground: '0xd4be98'
	normal:
	black: '0x32302f'
	red: '0xea6962'
	green: '0xa9b665'