Keita Ito keitaito

Architecture

Offline Sync and Cache

WWDC                                2006  2007  2008  2009
2010 2011 2012 2013 2014

JSC

JSC is the JavaScript engine from Apple's JavaScriptCore (WebKit) as a console application that you can use to run script in the terminal.

For more info visit the JSC's webkit wiki page.

Adding a shortcut to JSC

Using jsc is simple, the one issue is that Apple keeps changing the location for jsc. To deal with this issue I just create a symbolic link to the binary:

📝 企業を調べる時のメモ書きです。

求人サイト

https://www.wantedly.com/
https://jobs.forkwell.com/
https://jp.indeed.com/
- 日本だとあんまり使ってる企業がいないけど、グローバルよりで日本でもやってる面白いものがたまに見つかる
などの各種求人サイトを見る
Note: 📝

	@propertyWrapper
	class Box<T> {
	var wrappedValue: T

	var projectedValue: Box<T> {
	Box(wrappedValue)
	}

	init(_ value: T) {
	self.wrappedValue = value

	import UIKit
	import MobileCoreServices.UTCoreTypes

	if #available(iOS 14.1, *) {
	let input = Bundle.main.url(forResource: "IMG_0037", withExtension: "HEIC")!
	let output = FileManager().temporaryDirectory.appendingPathComponent("IMG_0037.GAIN_MAP.BMP")
	let source = CGImageSourceCreateWithURL(input as CFURL, nil)!

	// urn:com:apple:photo:2020:aux:hdrgainmap
	let dataInfo = CGImageSourceCopyAuxiliaryDataInfoAtIndex(source, 0, kCGImageAuxiliaryDataTypeHDRGainMap)! as Dictionary

	- (void)application:(UIApplication )application didRegisterForRemoteNotificationsWithDeviceToken:(NSData )deviceToken {
	NSString *tokenString;
	if (@available(iOS 13.0, *)) {
	NSUInteger dataLength = deviceToken.length;
	if (dataLength == 0) {
	return;
	}

	const unsigned char *dataBuffer = deviceToken.bytes;
	NSMutableString hexString = [NSMutableString stringWithCapacity:(dataLength 2)];

	func debounce<T>(delay: TimeInterval, function: @escaping (T) -> Void, complete: @escaping () -> Void = { }) -> (T) -> Void {
	let queue = DispatchQueue(label: "Debouncer")
	var current: DispatchWorkItem?

	return { input in
	current?.cancel()
	let new = DispatchWorkItem {
	function(input)
	complete()
	}

	#!/usr/bin/env sh

	set -e

	fancy_echo() {
	local fmt="$1"; shift

	printf "\n$fmt\n" "$@"
	}

	[
	{"url": "https://devstreaming-cdn.apple.com/videos/wwdc/2018/236mwbxbxjfsvns4jan/236/236_hd_avspeechsynthesizer_making_ios_talk.mp4?dl=1", "title": "AVSpeechSynthesizer: Making iOS Talk", "summary": "Speech can enhance the audio experience of your app, whether you are generating spoken feedback for accessibility, or providing critical information beyond simple alerts or notifications. AVSpeechSynthesizer produces synthesized speech from text and allows you to control and monitor the progress of ongoing speech. Learn the ins and outs of AVSpeechSynthesizer and how to add computer-generated speech output to your app."},
	{"url": "https://devstreaming-cdn.apple.com/videos/wwdc/2018/405bjty1j94taqv8ii/405/405_hd_measuring_performance_using_logging.mp4?dl=1", "title": "Measuring Performance Using Logging", "summary": "Learn how to use signposts and logging to measure performance. Understand how the Points of Interest instrument can be used to examine logged data. Get an introduction into creating and using custo