大约有 30,000 项符合查询结果(耗时:0.0588秒) [XML]

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JAX-RS — How to return JSON and HTTP status code together?

...umented in the existing answers (i.e. when you are using auto-magical JSON/XML serialization using JAXB, and you want to return an object to be serialized, but also a status code different than the default 200). So let me try and enumerate the different use cases and the solutions for each one: 1....
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Why not use exceptions as regular flow of control?

...f the most expensive operations in .NET. However, some languages (notably Python) use exceptions as flow-control constructs. For example, iterators raise a StopIteration exception if there are no further items. Even standard language constructs (such as for) rely on this. ...
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What are the differences between Clojure, Scheme/Racket and Common Lisp?

... "Strongly typed dynamic language" is marketing. In this sense even Python is strongly typed. – ron Feb 8 '13 at 23:56 16 ...
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How to convert an array of strings to an array of floats in numpy?

...(float, list_of_strings)) (or equivalently, use a list comprehension). (In Python 3, you'll need to call list on the map return value if you use map, since map returns an iterator now.) However, if it's already a numpy array of strings, there's a better way. Use astype(). import numpy as np x = n...
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Append integer to beginning of list in Python [duplicate]

... It would be nice for python to add a list.push_front(item) function. This will be obvious and less error-prone. – Kemin Zhou Sep 18 '16 at 3:21 ...
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How can I put a database under git (version control)?

...n't have somethiing 'central'. Again, Liquibase files are just plan text XML-ish files, with a stack of commands to execute against a given DB (or set of). Chances are 99% of all projects would have 0 issues following this in practice, even with DVCS's. – zie ...
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Convert sqlalchemy row object to python dict

...e function is too long and not suited for some tastes here is a one liner (python 2.7+) row2dict = lambda r: {c.name: str(getattr(r, c.name)) for c in r.__table__.columns} share | improve this ans...
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How to make a class JSON serializable

How to make a Python class serializable? 33 Answers 33 ...
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Else clause on Python while statement

I've noticed the following code is legal in Python. My question is why? Is there a specific reason? 12 Answers ...
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Font from origin has been blocked from loading by Cross-Origin Resource Sharing policy

...lt;/AllowedMethod> to the CORS policy of the S3 Bucket. Example: <?xml version="1.0" encoding="UTF-8"?> <CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/"> <CORSRule> <AllowedOrigin>*</AllowedOrigin> <AllowedMethod>GET</AllowedMetho...