大约有 3,060 项符合查询结果（耗时：0.0189秒） [XML]
Compare object instances for equality by their attributes
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Raymond Hettinger's 2018 PyCon presentation is an excellent way to get started with Python Dataclasses.
– Sarath Chandra
Jun 5 at 13:46
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Does SQLAlchemy have an equivalent of Django's get_or_create?
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A modified version of erik's excellent answer
def get_one_or_create(session,
model,
create_method='',
create_method_kwargs=None,
**kwargs):
try:
return s...
How to check for valid email address? [duplicate]
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I found an excellent (and tested) way to check for valid email address. I paste my code here:
# here i import the module that implements regular expressions
import re
# here is my function to check for valid email address
def test_emai...
Do subclasses inherit private fields?
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excellent answer !!! +1 for I believe it's purely matter of point-of-view. and justified the existence of protected modifier.
– Ravi
Nov 30 '12 at 12:33
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What are all the possible values for HTTP “Content-Type” header?
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application/vnd.oasis.opendocument.graphics
application/vnd.ms-excel
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
application/vnd.ms-powerpoint
application/vnd.openxmlformats-officedocument.presentationml.presentation
application/msword
application/...
How assignment works with Python list slice?
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@MarkRansom That's an excellent point, I have added more info to make this obvious.
– Casey Kuball
May 16 '12 at 17:26
2
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Simple proof that GUID is not unique [closed]
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@mmyers: Excellent point. That means that my chances of being murdered right now are absurdly low, since this isn't the end of my life. Oh, wait...
– Steven Sudit
May 19 '10 at 19:41
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How to get result of console.trace() as string in javascript with chrome or firefox?
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This is only a minor enhancement to Konstantin's excellent code. It cuts a bit on the expense of throwing-catching and just instantiates the Error stack:
function getStackTrace () {
let stack = new Error().stack || '';
stack = stack.split('\n').map(function (line) ...
How to change the value of attribute in appSettings section with Web.config transformation
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Excellent answer. I was trying 3rd party options like Slow Cheetah and getting nowhere - this was simple and perfect.
– Steve
Aug 14 '15 at 20:53
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How to make a countdown timer in Android?
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excellent solutions if anybody wants to add time zone try this dateFormat.setTimeZone(TimeZone.getTimeZone("GMT+05:30"));
– Asesha George
Mar 3 '19 at 7:21
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