pfmaggi

adb shell screencap -p | perl -pe 's/\x0D\x0A/\x0A/g' > screen.png

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Create a tag and push it to remote

First we can list the current tags

git tag

Then we create a new tag

git tag <tag_name>

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python -m SimpleHTTPServer 8080

If you want to only serve on localhost you'll need to write a custom Python program such as:

import sys
import BaseHTTPServer
from SimpleHTTPServer import SimpleHTTPRequestHandler

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/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

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#!/bin/bash
if [ -z "$ANDROID_NDK" ]; then
  echo "Please set ANDROID_NDK to the Android NDK folder"
  exit 1
fi

#Change to your local machine's architecture
# HOST_OS_ARCH=darwin-x86_64
HOST_OS_ARCH=linux-x86_64

pfmaggi

How to unbrick an Amazon Kindle Paperwhite™

This guide instructs you in how to unbrick an Amazon Kindle Paperwhite. The consequences of following it are your own responsibility. This method (opening the Kindle and using the serial interface) should be a last resort and should only be considered if other methods fail

The Guide

0. Pry open Kindle using a prying tool
1. Unscrew the screen and remove it from the base. Note that there's a screw hidden under the adhesive at the top in the middle
2. Solder tin wire to serial ports on the bottom
3. Attach tin wire to USB TTY device (order is ground, RX, TX, from the kindle's perspective, where GND is the smallest pad) and plug USB TTY device into your computer
4. Open Putty on your computer in serial mode, with the serial port specified as your USB device and baud configured to 115200

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/* Copyright 2020 Google LLC.	
   SPDX-License-Identifier: Apache-2.0 */
class UpvoteStoryWorker(
  appContext: Context, 
  workerParams: WorkerParameters, 
  private val service: UpvoteStoryHttpApi) 
    : CoroutineWorker(appContext, workerParams) {

    override suspend fun doWork(): Result {

pfmaggi

<!-- Copyright 2020 Google LLC.	
   SPDX-License-Identifier: Apache-2.0 -->
<application
…
  <provider
    android:name="androidx.work.impl.WorkManagerInitializer"
    android:authorities="${applicationId}.workmanager-init"
    tools:node="remove" />
</application>

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/* Copyright 2020 Google LLC.	
   SPDX-License-Identifier: Apache-2.0 */
class MyWorkerFactory(private val service: UpvoteStoryHttpApi) : WorkerFactory() {

    override fun createWorker(
        appContext: Context,
        workerClassName: String,
        workerParameters: WorkerParameters
    ): ListenableWorker? {
	 // This only handles a single Worker, please don’t do this!!

pfmaggi

/* Copyright 2020 Google LLC.	
   SPDX-License-Identifier: Apache-2.0 */
class MyApplication : Application(), Configuration.Provider {
    override fun getWorkManagerConfiguration(): Configuration = 
        Configuration.Builder()
                     .setMinimumLoggingLevel(android.util.Log.DEBUG)
                     .setWorkerFactory(MyWorkerFactory(DesignerNewsService))
                     .build()
...
}