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容器和虚拟机区别 容器是将进程有效划分的一个独立空间，以便在独立的空间之间平衡资源使用冲突的技术。本质上容器是一种特殊的进程，其核心功能是通过

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Resources 计算机体系结构基础: https://foxsen.github.io/archbase/%E5%BC%95%E8%A8%80.html#%E4%BB%80%E4%B9%88%E6%98%AF%E8%AE%A1%E7%AE%97%E6%9C%BA

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Resources 图文并茂VLAN详解: https://blog.51cto.com/u_6930123/2115373 VLAN详解: https://www.jb51.net/network/774813.html

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Build a Failr, Oracle-Free(no oracles allowed) Guessing Game in solidity which pits two players against each other in a game where each player tries to guess whether a randomly generated number is high or low. answer /** ### reference - random optimize - https://www.cnblogs.com/huahuayu/p/8884165.html - https://blog.csdn.net/weixin_43587332/article/details/ 106743233 - multi people **/ pragma solidity ^0.4.0; library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract GuessData { //address public implementation; mapping(address=>uint256) public player2balance; address[2] public playerSet; uint256[2] inputs; address public lastRoundWinner; uint256 public wager = 0; address public playerA = address(0); address public playerB = address(0); bool public isGameStarted = false; } contract GuessGame is GuessData { using SafeMath for uint256; modifier onlyPlayer() { require(playerSet[0] !

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一个数组中，存在两个只出现一次的数字，其余的数字均出现两次，求这两个数字是多少 #求解步骤: #假设两个数分别是a, b c = arr[0] xor arr[1] xor arr[2] xor ... xor arr[n] #获

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Resources RPC API Reference: https://developer.bitcoin.org/reference/rpc/index.html btc explorer https://www.oklink.com/btc/address/33WswvHHQMVYUQQiuoN4MYXRrjTh8zuKbq tron api doc: https://developers.tron.network/reference#tronweb-object-1 eos testnet: https://www.alohaeos.com/zh/tools/testnets sign bitcoin cash/sv/abc transaction: https://apexpl.github.io/bitcoin_cash_sv_abc_transaction_signatures.html

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Resources 15张图带你深入理解浮点数: https://mp.weixin.qq.com/s/DGP4rENdy-N1VyZLS_uV4g 浮点数精度丢失问题详解: https://mp.weixin.qq.com/s/yjEkZrpIOAUAEknKTxC3YQ

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xx 技术和管理如何平衡 第一，带好团队和做好技术一样，能够成为一个职场人的核心竞争力。代码写得又快又好，交付的系统没有Bug,这样的技术人产品喜