大约有 3,200 项符合查询结果（耗时：0.0383秒） [XML]
Factors in R: more than an annoyance?
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Factors are an excellent "unique-cases" badging engine. I've recreated this badly many times, and despite a couple of wrinkles occasionally, they are extremely powerful.
library(dplyr)
d <- tibble(x = sample(letters[1:10], 20, replace ...
Can multiple different HTML elements have the same ID if they're different elements?
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Excellent answer. it is always best if you stick to the standards.
– EKanadily
Apr 2 '19 at 10:04
ad...
How do I choose a HTTP status code in REST API for “Not Ready Yet, Try Again Later”? [closed]
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Excellent answer! I wonder why it doesn't have more upvotes.
– lex82
Jun 3 '16 at 8:56
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Actual meaning of 'shell=True' in subprocess
... There are a ton of questions about how to avoid shell=True, many with excellent answers. You happened to pick the one which is about why instead.
– tripleee
Jul 3 '16 at 13:45
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How to validate IP address in Python? [duplicate]
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Excellent idea. The only solution presented until now which works with all IP addresses. >>> from IPy import IP >>> IP("2001:660::1") IP('2001:660::1')
– bortzmeyer
De...
What does @synchronized() do as a singleton method in objective C?
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Excellent answer here:
Help understanding class method returning singleton
with further explanation of the process of creating a singleton.
share
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How to Diff between local uncommitted changes and origin
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Ah, excellent. The key was to leave the master out. I had tried a combination where I was doing a fetch before, but when I did git diff master origin/master it was still comparing against the committed version (obvious in retrosp...
Create Django model or update if exists
...looking for "update if exists else create" use case, please refer to @Zags excellent answer
Django already has a get_or_create, https://docs.djangoproject.com/en/dev/ref/models/querysets/#get-or-create
For you it could be :
id = 'some identifier'
person, created = Person.objects.get_or_create(i...
Check if pull needed in Git
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Excellent. As far as I can tell, this is the only solution that actually checks the origin for updates but doesn't implicitly do a fetch.
– Kyle Strand
Apr 17 '14 at 20:53
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Bootstrap 3 modal vertical position center
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excellent answer and post! However, can this also be animated? It works great when it just pops in, but what about animated? I am at work and can't test it atm, but I am eager to see the results
– scoote...