大约有 5,685 项符合查询结果（耗时：0.0215秒） [XML]
How can I call a custom Django manage.py command directly from a test driver?
...oblem where I needed to pass unicode table names to the inspectdb command. python/bash were interpreting command line args as ascii, and that was bombing the get_table_description call deep in django.
– bigh_29
Jan 15 '19 at 1:15
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How to calculate the bounding box for a given lat/lng location?
...4 is itself an approximation).
My implementation follows (It's written in Python; I have not tested it):
# degrees to radians
def deg2rad(degrees):
return math.pi*degrees/180.0
# radians to degrees
def rad2deg(radians):
return 180.0*radians/math.pi
# Semi-axes of WGS-84 geoidal referenc...
How to use ng-repeat for dictionaries in AngularJs?
...
Good to see some commonality with python :)
– robert king
Apr 18 '13 at 3:43
4
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Purpose of Django setting ‘SECRET_KEY’
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Return multiple columns from pandas apply()
...nswer: the argument passed in to the function, also affects performance.
(Python 3.7.4, Pandas 1.0.3)
import pandas as pd
import locale
import timeit
def create_new_df_test():
df_test = pd.DataFrame([
{'dir': '/Users/uname1', 'size': 994933},
{'dir': '/Users/uname2', 'size': 1093...
Erasing elements from a vector
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STL 'idioms' like this make me use Python for small projects.
– Johannes Overmann
Jun 25 '13 at 15:28
1
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How to find and return a duplicate value in array
...code for some huge scaling data (and if so, you can actually just use C or Python), the provided answer is far more elegant/readable, and isnt' going to run that much slower compared to a linear time solution. furthermore, in theory, the linear time solution requires linear space, which may not be a...
What is the JavaScript convention for no operation?
What is the JavaScript convention for no operation? Like a Python pass command.
6 Answers
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How to share my Docker-Image without using the Docker-Hub?
...cker save: when I push an image that derives from another image (let's say python:2.7) to a registry, the parent image doesn't need to be uploaded more than once unless it changes. Can I save partial images to achieve a similar file size optimization? I'm jumping through these hoops because I'm a ho...
Efficiently updating database using SQLAlchemy ORM
...sh()).
I've found that at times doing a large query and then iterating in python can be up to 2 orders of magnitude faster than lots of queries. I assume that iterating over the query object is less efficient than iterating over a list generated by the all() method of the query object.
[Please no...