一、Enum结构 从enum导入Enum,并让自定义的枚举类继承Enum 枚举类内的标签最好用大写字母来表示常量 fromenumimportEnum, unique @unique#@unique装饰器可以帮助我们检查保证没有重复值classStoreApproachEnum(Enum):def__new__(cls, english, chinese, status,text): ob
class Weekday(Enum): File "/usr/lib/python3.4/enum.py", line 524, in unique (enumeration, alias_details)) ValueError: duplicate values found in <enum 'Weekday'>: tusday -> monday 1. 2. 3. 4. 5. 6. 4.有人也在想,我就是不改咋地!我能不能通过另一个方法把成员都打印出来?于是:_...
#Check evaluation results for the UserID = 1 test_ratings_df[test_ratings_df['userID'] == 1].sort_values(['rating','predictions'],ascending=False) 从以下结果(“图 6.5”)可以看出,该模型在预测训练期间看不到的电影的收视率方面做得很好: [外链图片转存失败,源站可能有防盗链机制,建议将图片保...
To compare a string with an enum, extend from thestrclass when declaring your enumeration class, e.g.class Color(str, Enum):. You will then be able to compare a string to an enum member using the equality operator==. How to compare a string with an Enum in Python | bobbyhadz class ...
python from enum import Enum class A(Enum): a=1 b=2 c=3 """ 继承Enum基类后一个枚举类中key不能相同 如果希望value也不同可以导入unique """ @unique class A(Enum): a=1 b=2 c=3 闭包 防止局部变量污染全局变量 nonlocal 获取上层作用域的某个变量值 难以追踪 生成器(yield) 生成器是迭代器...
numpy.unique: returns either a single array, or a tuple of 2-4 arrays, depending on three boolean flag values I have not looked into the more esoteric corners of the library (e.g., masked arrays,numpy.matrix, polynomials or financial functions). ...
Attributes that are defined as enumerated values in API are implemented asenumin Python, using the native support forenumsin Python 3 and theenum34package in Python 2.7. In this example, the status attribute of theVmtype is defined using theVmStatus enum: ...
enum('M','F') NOT NULL," " `hire_date` date NOT NULL," " PRIMARY KEY (`emp_no`)" ") ENGINE=InnoDB") TABLES['departments'] = ( "CREATE TABLE `departments` (" " `dept_no` char(4) NOT NULL," " `dept_name` varchar(40) NOT NULL," " PRIMARY KEY (`dept_no`), UNIQUE ...
(1.3.0) Requirement already satisfied: marshmallow-enum<2,>=1.4.1 in c:\users\chenw\anaconda3\envs\superset_demo\lib\site-packages (from flask-appbuilder) (1.5.1) Requirement already satisfied: Flask-SQLAlchemy<3,>=2.4 in c:\users\chenw\anaconda3\envs\superset_demo\lib\site-packages (...
19 Auto-Detect Result enum checking, check_success, check_failure, others 20 Preheat bool True/False 21 Fault Alarm fault fault, serious_fault, sensor_fault, probe_fault, power_fault Barrier 22 Lifecycle bool True/False 23 Alarm Switch bool True/False 24 Silence bool True/False 25 ...