大约有 45,000 项符合查询结果（耗时：0.0337秒） [XML]
How to implement __iter__(self) for a container object (Python)
... Actually -- with this use case -- you only need to raise StopIteration if you wish to stop yielding values before some_list is exhausted.
– Tim Peoples
Jun 29 '16 at 0:23
22
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Catching an exception while using a Python 'with' statement
...e, I can't figure out how to handle exception for python 'with' statement. If I have a code:
4 Answers
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Check if a string is a date value
What is an easy way to check if a value is a valid date, any known date format allowed.
20 Answers
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Google OAuth 2 authorization - Error: redirect_uri_mismatch
...c, because when I tried the same callback an hour ago, it didn't work, but now it's working. Anyway, thanks!
– user984621
Jul 14 '12 at 17:33
344
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method of iterating over sqlalchemy model's defined columns?
...n't just iterate over the obj.__dict__ since it contains a lot of SA specific items.
8 Answers
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How to join components of a path when you are constructing a URL in Python
...eason.
So, I'd use something like '/'.join(s.strip('/') for s in pieces) (if the leading / must also be ignored -- if the leading piece must be special-cased, that's also feasible of course;-).
share
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How to host a Node.Js application in shared hosting [closed]
....6.0, proxy-addr@1.0.8, send@0.12.3, type-is@1.6.2, accepts@1.2.7)
I can now use the commands:
# ~/node/bin/node -v
v0.12.4
# ~/node/bin/npm -v
2.10.1
For security reasons, I have renamed my node directory to something else.
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Smart way to truncate long strings
...px/15px verdana, arial;
margin: 2rem;
}
.truncate {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
width: 30vw;
}
.truncate:before{
content: attr(data-longstring);
}
.truncate:hover::before {
content: attr(data-longstring);
width: auto;
height:...
List attributes of an object
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To be specific, pprint.pprint(a.__dict__) does a pretty-print on the attributes.
– smci
Aug 27 '16 at 0:00
1
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How to implement a good __hash__ function in python [duplicate]
... same value for objects that are equal. It also shouldn't change over the lifetime of the object; generally you only implement it for immutable objects.
A trivial implementation would be to just return 0. This is always correct, but performs badly.
Your solution, returning the hash of a tuple of p...