大约有 42,000 项符合查询结果(耗时:0.0510秒) [XML]

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Numpy array assignment with copy

For example, if we have a numpy array A , and we want a numpy array B with the same elements. 3 Answers ...
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The multi-part identifier could not be bound

I've seen similar errors on SO, but I don't find a solution for my problem. I have a SQL query like: 15 Answers ...
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Private vs Protected - Visibility Good-Practice Concern [closed]

I've been searching and I know the theoretic difference. 6 Answers 6 ...
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How Do I Take a Screen Shot of a UIView?

I am wondering how my iPhone app can take a screen shot of a specific UIView as a UIImage . 15 Answers ...
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Why is lazy evaluation useful?

I have long been wondering why lazy evaluation is useful. I have yet to have anyone explain to me in a way that makes sense; mostly it ends up boiling down to "trust me". ...
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How to format a string as a telephone number in C#

I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable. ...
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Difference between JSONObject and JSONArray

After having a short look at Google I found this link that describes the difference, yet from a syntax point of view. 8 A...
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No ConcurrentList in .Net 4.0?

I was thrilled to see the new System.Collections.Concurrent namespace in .Net 4.0, quite nice! I've seen ConcurrentDictionary , ConcurrentQueue , ConcurrentStack , ConcurrentBag and BlockingCollection . ...
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Is there a perfect algorithm for chess? [closed]

I was recently in a discussion with a non-coder person on the possibilities of chess computers. I'm not well versed in theory, but think I know enough. ...
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How do popular apps authenticate user requests from their mobile app to their server?

Say I have an Android application that connects to a .Net API for receiving/setting data. The confusion that I have is regarding how to sign-up/login the user first time and authenticate it every time they make a request to the API. ...