大约有 42,000 项符合查询结果(耗时:0.0397秒) [XML]

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How do iOS Push Notifications work?

How do iOS "push" notifications get delivered to a particular device without that device needing to poll a server? 6 Answer...
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Do the parentheses after the type name make a difference with new?

If 'Test' is an ordinary class, is there any difference between: 6 Answers 6 ...
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When should I use genetic algorithms as opposed to neural networks? [closed]

Is there a rule of thumb (or set of examples) to determine when to use genetic algorithms as opposed to neural networks (and vice-versa) to solve a problem? ...
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Cache Invalidation — Is there a General Solution?

Phil Karlton 9 Answers 9 ...
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What does “dereferencing” a pointer mean?

Please include an example with the explanation. 6 Answers 6 ...
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What's the difference between backtracking and depth first search?

What's the difference between backtracking and depth first search? 13 Answers 13 ...
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Elegant way to invert a map in Scala

Learning Scala currently and needed to invert a Map to do some inverted value->key lookups. I was looking for a simple way to do this, but came up with only: ...
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Difference between a user and a schema in Oracle?

What is the difference between a user and a schema in Oracle? 15 Answers 15 ...
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Numpy - add row to array

How does one add rows to a numpy array? 9 Answers 9 ...
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Difference Between Schema / Database in MySQL

Is there a difference between a schema and a database in MySQL? In SQL Server, a database is a higher level container in relation to a schema. ...