我正在尝试调用一个python操作符,它位于一个函数中,使用另一个python操作符。似乎我错过了什么,有人能帮我找出我错过了什么吗?
from airflow import DAG
from airflow.operators.dummy_operator import DummyOperator
from airflow.operators.python_operator import PythonOperator
from airflow.operators.bash_operator import BashOperator
from datetime import datetime,
我对python相当陌生,并且收到了一个无效的语法错误。
res = (True in (!(((point[0] > (p[0] - 5)) and (point[0] < (p[0] + 5))) and ((point[1] > (p[1] - 5)) and (point[1] < (p[1] + 5)))) for p in pointsClicked))
我已经看了一段时间,不知道是什么导致了这个问题。
我得到了下面的错误,似乎不知道如何修复。按照逻辑,我将调用3个函数和所有3个返回值作为浮动,然后对存储的返回值执行一些数学操作,并将其打印为float。那它哪里出问题了?我在A边输入4,B侧输入5。
错误信息:
输入侧A: 4.0的长度,输入侧B的长度: 5.0
Traceback (most recent call last):
File "python", line 26, in <module>
File "python", line 9, in main
File "python", line 24, in cal
在寻找一个可以用Python和其他语言解析而不会出现任何tag的标记时,我发现了这个奇怪的东西
In [15]: print('standard python')
In [16]: //#::
...:
...: hello
...: print('hey')
...: exit()
...:
...: seems to wait for something
...: & I have
我有以下数据:
data = pd.DataFrame(np.arange(16).reshape(4, 4), index = ['Ohio', 'Colorado', 'Utah', 'New York'], columns = ['one', 'two', 'three', 'four'])
如果我运行:data[:2],输出将是:
one two three four
Ohio 0 1 2 3
Colora
from numba import jit
from numpy import arange
# jit decorator tells Numba to compile this function.
# The argument types will be inferred by Numba when function is called.
@jit
def sum2d(arr,m):
M, N = arr.shape
result = 0.0
if m in ['yes']:
for i in range(M):
我正在PythonOperator中创建一些BashOperators,但它不起作用。任务t1从上下文中读取conf参数,并返回一个值,第二个任务t2是Python运算符,它使用xcom读取值,我可以读取值,但for循环中的任务没有创建。
是否可以在PythonOperator中创建BashOperator?
from airflow import DAG
from airflow.operators.bash_operator import BashOperator
from airflow.operators.python_operator import PythonOperator
fr
我正在学习MongoAlchemy,它是MongoDB上的Python驱动程序的顶层。假设有一个Python类,从一个MongoDB对象映射而来,如下所示:
from mongoalchemy.document import Document
from mongoalchemy.fields import *
class Person(Document):
name = StringField()
我像这样查询数据库:
for person in query.filter(Person.name == 'Geronimo'):
print person
它工作得