由于可以存在多个锁,不同的线程持有不同的锁,并试图获取对方持有的锁时,可能会造成死锁,如下: #coding=utf-8 import threading import time class MyThread1(threading.Thread): def run(self): if mutexA.acquire(): print(+'----do1---up----') time.sleep(
# -*- coding: utf-8 -*- ''' Created on 2018年3月11日 @author: Jason niu ''' import hashlib #该模块实现了诸多安全哈希和消息摘要算法的通用接口,包括 FIPS 安全哈希算法: SHA1、SHA224、 SHA256、SHA384、RSA的 MD5 等等算法 import uuid #通用唯一标识符 ( Universally Unique Identifier ), 对...
blockchain-python-cheat-sheet包含哪些关键函数? 文章目录 地址正则表达式汇总 bytes 转为 string BTC 交易数据解析 USDT 交易 精度转换 地址正则表达式汇总 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # BTC 正则_pattern = r'^(([13][a-km-zA-HJ-NP-Z0-9]{26,33},*)|(bc(0([ac-hj-np-...
Signing data in blockchain From linked list to blockchain Cryptography Symmetric and asymmetric cryptography The hashing function Proof of work Consensus Coding on the blockchain Other types of blockchain programmers Summary References Smart Contract Fundamentals Installing an Ethereum development environment...
freedom—and can give it departments headaches as they discover that platforms can’t communicate without translation help. according to a deloitte study, the cloud-based code repository github features more than 6,500 active blockchain projects that use diverse platforms with multiple...
Carlos-Zen/blockchain-pythonPublic Notifications Fork82 Star255 master BranchesTags blockchain-python/miner.py/ Jump to carlosrename Latest commit1a69afeJun 15, 2018History 0contributors 62 lines (56 sloc)1.66 KB RawBlame # coding:utf-8
Coding and implementation Backend development Optimizing the platform with high-end functionalities Rigorous Testing Platform testing and auditing Resolving bugs Preparing for launch Technical Maintenance Credible technical support Scheduling upgrades and updates ...
数据导出代码生成工具WeBASE-Codegen-Monkey代码生成工具,通过配置可以生成数据导出的核心代码。 数据导出服务WeBASE-Collect-Bee导出区块链上的基础数据,如当前块高、交易总量等,通过智能合约的配置,导出区块链上合约的业务数据,包括event、构造函数、合约地址、执行函数的信息等。
https://delcoding.github.io/2018/04/ddctf-writeup4/ https://xz.aliyun.com/t/2299 https://www.360zhijia.com/anquan/375753.html 下面是攻击脚本,出自上面第一个大佬,修改一下钱包地址,就可以直接打了 + View Code 运行结果,如果不出差错的话,可以直接获得flag ...
Web and Mobile applications development requires more than just the knowledge of the technology and coding skills. We at Flit Webs, ensure the discipline that is needed for properly communicating the client requirements and planning the workflow to achieve them. We have a team of enthusiastic and ...