espresso3389 / noto_google_fonts.dart

Created July 30, 2025 18:30

Obtaining Noto Sans/Serif Google Fonts Download URL for pdfrx

	// The code is based on the following code from Google Fonts:
	// https://github.com/material-foundation/flutter-packages/blob/main/packages/google_fonts/lib/src/google_fonts_parts/part_n.dart
	//
	// Noto Sans/Serif is licensed under the SIL Open Font License, Version 1.1 .
	// https://fonts.google.com/noto/specimen/Noto+Sans/license

	import 'package:pdfrx/pdfrx.dart';

	class GoogleFontsFile {
	GoogleFontsFile(this.faceName, this.weight, this.expectedFileHash, this.expectedLength);

espresso3389 / android_sdk_headless_ubuntu_24.04.md

Last active June 11, 2025 05:29

How to install Android SDK Headless on Ubuntu 24.04

Installation

# prerequisites
sudo apt update
sudo apt install unzip wget openjdk-21-jdk-headless

# https://developer.android.com/studio#cmdline-tools
CMDTOOLS_ZIP=commandlinetools-linux-13114758_latest.zip

espresso3389 / wsl2-bitwarden-ssh-agent.md

Last active June 20, 2025 06:56

Bitwarden SSH Agent relay to WSL2

https://www.rebelpeon.com/bitwarden-ssh-agent-on-wsl2/

Windows side

sudo winget install --id albertony.npiperelay

WSL2 side

espresso3389 / genesis-wsl2.md

Last active January 24, 2025 13:10

Run Hello, Genesis on WSL2 (Ubuntu 24.04)

Install Python and venv

sudo apt install python python3-venv

espresso3389 / find_cert.rb

Created December 10, 2024 18:42

Find a signing certificate of serial number from keychain

	#!/usr/bin/env ruby

	require 'openssl'

	def print_usage
	puts "Usage: #{File.basename($0)} [-s\|-S\|-C component] <serial_number> [keychain]"
	puts "Options:"
	puts " -s Show only certificate subject (single line)"
	puts " -S Show only certificate subject (one parameter per line)"
	puts " -C component Show only specified component (e.g., -C CN for Common Name)"

espresso3389 / provprof.rb

Created December 10, 2024 18:41

Get info. such as signing certificate's serial number from provisioning profile

	#!/usr/bin/env ruby

	require 'openssl'

	def print_usage
	puts "Usage: #{File.basename($0)} <provisioning_profile_path>"
	puts "Example: #{File.basename($0)} /path/to/profile.mobileprovision"
	exit 1
	end

espresso3389 / winrt_formatters.h

Created December 9, 2024 03:08

C++23 std::formatter implementations for WinRT classes

	#ifndef WINRT_FORMATTERS_H
	#define WINRT_FORMATTERS_H

	#include <windows.h>

	#include <winrt/base.h>

	#include <string>
	#include <format>

espresso3389 / html_image_embed.js

Created October 1, 2024 16:06

Node.js program that converts HTML with img files to a single HTML that uses embedded image data using data protocol

	const fs = require('fs').promises;
	const path = require('path');
	const cheerio = require('cheerio');
	const sharp = require('sharp');
	const zlib = require('zlib');
	const util = require('util');

	const gzip = util.promisify(zlib.gzip);

	async function optimizeAndConvertToDataURI(imagePath, baseDir, useLossless) {

espresso3389 / flutter-build-env.ps1

Last active February 2, 2024 12:21

Create Flutter Android build environment on Windows

	# Need to enable scripting before executing the file
	# Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser -Force

	cd ~

	Invoke-RestMethod -Uri https://get.scoop.sh \| Invoke-Expression

	scoop install git
	scoop bucket add java

espresso3389 / nfkc.dart

Last active October 30, 2023 08:23

Using icu from Dart/Flutter

	import 'dart:ffi';
	import 'dart:io';

	import 'package:ffi/ffi.dart';
	import 'package:unorm_dart/unorm_dart.dart' as unorm_dart; // fallback

	String _getLibicuModuleName() {
	if (Platform.isAndroid) {
	return 'libicu.so';
	} else if (Platform.isWindows) {

Takashi Kawasaki espresso3389

Installation

Windows side

WSL2 side

Run Hello, Genesis on WSL2 (Ubuntu 24.04)

Install Python and venv