1.部署合约a.修改配置// SPDX-License-Identifier: MIT pragma solidity >=0.7.0 <0.9.0; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/utils/Counters.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; contract StrongTigersClub is ERC721, Ownable { using Strings for uint256; using Counters for Counters.Counter; Counters.Counter private supply; string public uriPrefix = ""; string public uriSuffix = ".json"; string public hiddenMetadataUri; // 1.设置价格 ...

1.部署合约a.修改配置// SPDX-License-Identifier: MIT pragma solidity >=0.7.0 <0.9.0; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/utils/Counters.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; contract StrongTigersClub is ERC721, Ownable { using Strings for uint256; using Counters for Counters.Counter; Counters.Counter private supply; string public uriPrefix = ""; string public uriSuffix = ".json"; string public hiddenMetadataUri; // 1.设置价格 ...

现有语言实现循环方式统计://1.for for (int i = 0 ; i < 10 ; i++) { } for (obj in array) { } // 2. while while(true) { } OC:for (int i = 0; i < 10 ; i ++) { } for (obj in array) { } solidity:for (uint i = 0; i < 10; i ++) { } while (true) { } jsfor (var i=0;i<cars.length;i++) { console.log(cars[i]); }

现有语言实现循环方式统计://1.for for (int i = 0 ; i < 10 ; i++) { } for (obj in array) { } // 2. while while(true) { } OC:for (int i = 0; i < 10 ; i ++) { } for (obj in array) { } solidity:for (uint i = 0; i < 10; i ++) { } while (true) { } jsfor (var i=0;i<cars.length;i++) { console.log(cars[i]); }

四类代理透明代理(Transparent Proxy)匿名代理(Anonymous Proxy)混淆代理(Distorting Proxy)高匿代理(Elite Proxy) 从安全性上: 高匿>混淆>匿名>透明1.透明代理REMOTE_ADDR = Proxy IP HTTP_VIA = Proxy IP HTTP_X_FORWARDED_FOR = Your IP 暴露 代理, 暴露 IP 2.匿名代理REMOTE_ADDR = Proxy IP HTTP_VIA = Proxy IP HTTP_X_FORWARDED_FOR = Proxy IP 暴露 代理 , 隐藏 IP 3.混淆代理REMOTE_ADDR = Proxy IP HTTP_VIA = Proxy IP HTTP_X_FORWARDED_FOR = Random IP address 暴露 代理, 暴露 假IP 2.高匿代理REMOTE_ADDR = Proxy IP HTTP_VIA = not determined HTTP_X_FORWARDED_FOR = not determined 隐藏 代理

四类代理透明代理(Transparent Proxy)匿名代理(Anonymous Proxy)混淆代理(Distorting Proxy)高匿代理(Elite Proxy) 从安全性上: 高匿>混淆>匿名>透明1.透明代理REMOTE_ADDR = Proxy IP HTTP_VIA = Proxy IP HTTP_X_FORWARDED_FOR = Your IP 暴露 代理, 暴露 IP 2.匿名代理REMOTE_ADDR = Proxy IP HTTP_VIA = Proxy IP HTTP_X_FORWARDED_FOR = Proxy IP 暴露 代理 , 隐藏 IP 3.混淆代理REMOTE_ADDR = Proxy IP HTTP_VIA = Proxy IP HTTP_X_FORWARDED_FOR = Random IP address 暴露 代理, 暴露 假IP 2.高匿代理REMOTE_ADDR = Proxy IP HTTP_VIA = not determined HTTP_X_FORWARDED_FOR = not determined 隐藏 代理