UUID1 – Generate UUID using a Host MAC address, sequence number and the current time. This version uses the IEEE 802 MAC addresses. UUID3 and UUID 5 uses cryptographic hashing and application-provided text strings to generate UUID. UUID 3 uses MD5 hashing, and UUID 5 uses SHA-1 hashing....
下面是一个例子,生成一个随机的六位数作为验证码,并发送邮件给用户: importuuidimportsmtplibfromemail.mime.textimportMIMETextdefgenerate_verification_code():uid=uuid.uuid4().intverification_code=str(uid)[:6]returnverification_codedefsend_email(receiver_email,verification_code):smtp_server='smtp.example.c...
String uuid = UUID.randomUUID().toString().replaceAll("-",""); System.out.println(uuid); } 1. 2. 3. 4. 5. 输出结果99a7d0925b294a53b2f4db9d5a3fb798,但UUID却并不适用于实际的业务需求。订单号用UUID这样的字符串没有丝毫的意义,看不出和订单相关的有用信息;而对于数据库来说用作业务主键ID...
Code Issues Pull requests "Unique": UUID generator tool. unique.py will generate UUIDs (using a CLI) in a variety of flavors whilst unique_gui.py wraps this up in a pretty GUI. This project in available as native python source, a windows executable and docker image. ...
常见的分布式ID生成策略: ● UUID(Universally Unique Identifier) ● 雪花算法(Snowflake) ● Redis原子自增 ● 基于数据库的自增主键(有些数据库不支持自增主键) ● 取当前毫秒数 本文主要简单介绍下雪花ID算法(Snowflake)的Python语言的计算方法。 雪花算法(Snowflake)是 Twitter 开源的分布式ID生成算法。雪花...
While preserving version & variant fields of generated values, Uuid library provides three types of UUIDs with a simple and fast approach, and can be used where sortable UUIDs are needed. The generate() method of; Uuid class uses 16-length random bytes (UUID/v4). DateUuid class uses 12-...
df['sguid'] = df.sguid.apply(lambda row: str(base64.urlsafe_b64encode(uuid.uuid1().bytes))) return df "; @AllData = EXTRACT OrderNo string, Date string, CustomerCode string, ProductCode string, SalesArea string, OrderValue string FROM "/DataLoads/Input/TempFile.cs...
安装Visual Studio Code 的 Python 扩展 步骤1:创建 Python 项目 在文件系统上,为本教程创建一个项目文件夹,例如 my-python-web-app。 在终端中,将目录切换到 Python 应用文件夹,例如 cd my-python-web-app。 运行以下命令,以根据当前解释器创建并激活名为 .venv 的虚拟环境。 Linux macOS Windows Windows 命...
创建策略模板使用的是 策略模板的create接口,它里面有一个必须填写的参数uuid这个参数是一个uuid值,表示以哪种现有模板进行创建。在创建之前需要先获取系统中可用的模板。获取的接口是/editor/{type}/templates,type 可以选填policy或者scan。这里我们填policy ...
def generateJobConfigTemplate(reader, writer): readerRef="Please refer to the %s document:\n https://github.com/alibaba/DataX/blob/master/%s/doc/%s.md \n"%(reader,reader,reader) writerRef="Please refer to the %s document:\n https://github.com/alibaba/DataX/blob/master/%s/doc/%s.md...