Lesson 2: Welcome to Remix! Simple Storage

⌨️ (02:01:16) Lesson 2: Welcome to Remix! Simple Storage

💻 Code: https://github.com/PatrickAlphaC/simple-storage-fcc

Introduction

• Remix
• Solidity Documentation

Setting Up Your First Contract

• Versioning
• Take notes in your code!
• What is a software license
• SPDX License
• Compiling
• Contract Declaration

Lesson 1: Blockchain Basics

⌨️ (00:09:05) Lesson 1: Blockchain Basics

What is a Blockchain? What does a blockchain do?

• Bitcoin Whitepaper
  • Satoshi Nakamoto
• Ethereum Whitepaper
  • Vitalik Buterin
• What is a Smart Contract?
• Nick Szabo
• Hybrid Smart Contracts
• Blockchain Oracles
• Terminology
• Web3
• What is a blockchain

The Purpose Of Smart Contracts

• 🎥 Original Video
• 🦬 My ETH Denver Talk
• 🍔 McDonalds Scandal
• ⛓ More on the evolution of agreements
• ✍️ What is a Smart Contract?
• 🧱 How does a blockchain work?
• 🔮 Chainlink & Oracles

学习视频：系统学习区块链、Solidity和前后端全栈Web3开发

License声明：

// SPDX-License-Identifier: MIT

指定版本：

pragma solidity ^0.8.0;

导入其他合约

import './SimpleStorage.sol';

继承

contract ExtraStorage is SimpleStorage{
    function store(uint256 _favoriteNumber) public override {
        favoriteNumber = _favoriteNumber + 3;
    }
}

作业帮一面

• 时间： 下午2:30分
• 时长： 1小时

自我介绍，了解项目

css盒模型

内联元素，块元素，内联-块元素，举例？

闭包题目

var a = 1;
function F () {
    console.log(a);
    var a = 2;
    console.log(this.a);
    this.a = 3;
}
F();  // undefined, 1
new F(); // undefined, undefined;

星环科技

• 时长： 20分钟
• 形式： 电话

css如何实现一个三角形

如何让溢出的文本实现省略号？

text-overflow: ellipsis；

如何实现固定行数的文本，溢出的省略号？

.text-overflow(@lines) when (@lines > 1) {
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: @lines;
    -webkit-box-orient: vertical;
    white-space: normal;
}