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Compile

run truffle compile

All files that end with .sol in /contracts are turned into .json files in /build/contracts.

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Lesson 1

Keywords

• contract {} is for wrapping ethereum contract.
• uint is no plus/minus integer.
• struct {} is for wrapping multiple-attribute data. E.g.,

struct Zombie {
  string name;
 uint dna;

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SharedElementTransition between Transition

When you open another activity and want to have a small picture (a view) inside a button animate to a big profile picture. That picture is called shared element.

• Create a Scene that holds view and transitionName. Pack them inside Bundle and send it to another Activity. The destination view's xml must have android:transitionName attribute.

Origin

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Pull Image

docker pull <imagename>

Watch All Images

docker images

First Init

• -d = run in background (daemon)
• -p = map our PC's port 7200 to Docker 3000 port
• --name = image name

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build.gradle

apply from: "offline.gradle"

offline.gradle

Properties properties = new Properties()
properties.load(project.rootProject.file('local.properties').newDataInputStream())
def isOffline = properties.getProperty('isoffline')

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edittext.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if (!hasFocus) {
                    Log.d("focus", "focus loosed");
                    // Do whatever you want here
                } else {
                    Log.d("focus", "focused");
                }
            }

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/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

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function gitPullAllLocal() {
    #if there is a passing argument
    if [ -z $1 ]
    then
        GIT_RELATIVE_DIRECTORY="$(pwd)"
    else
        GIT_RELATIVE_DIRECTORY=$1
    fi

    #go to that relative path if exists

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function gitPullAllLocal() {
    #if there is a passing argument
    if [ -z $1 ]
    then
        GIT_RELATIVE_DIRECTORY="$(pwd)"
    else
        GIT_RELATIVE_DIRECTORY=$1
    fi

    #go to that relative path if exists

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VSCode Note

Workspace Settings

{
    "terminal.external.osxExec": "iTerm2.app",
    "terminal.integrated.fontFamily": "Meslo LG L DZ for Powerline",
    "terminal.integrated.lineHeight": 1.6,
    "terminal.integrated.fontSize": 12,
 "javascript.validate.enable": false,