大约有 13,071 项符合查询结果(耗时:0.0280秒) [XML]

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Best way to show a loading/progress indicator?

... ProgressDialog is deprecated from Android Oreo. Use ProgressBar instead ProgressDialog progress = new ProgressDialog(this); progress.setTitle("Loading"); progress.setMessage("Wait while loading..."); progress.setCancelable(false); // disable dismiss by tapping outside of ...
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What is the difference between exit() and abort()?

... abort() exits your program without calling functions registered using atexit() first, and without calling objects' destructors first. exit() does both before exiting your program. It does not call destructors for automatic objects though. S...
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Using do block vs braces {}

New to ruby, put on your newbie gloves. 5 Answers 5 ...
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What's the difference between Sender, From and Return-Path?

What's the difference between an email Sender, From and Return-Path value? 3 Answers 3...
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ctypes - Beginner

...of "wrapping" a c library into a python class. The docs are incredibly vague on this matter. It seems they expect only advanced python users would implement ctypes. Well i'm a beginner in python and need help. ...
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What, why or when it is better to choose cshtml vs aspx?

I would like to know what, why or when it is better to choose cshtml and what, why or when it is better to choose aspx technologies? What are these two technologies intended for? ...
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NSObject +load and +initialize - What do they do?

I'm interested in understanding the circumstances leading a developer to override +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-) ...
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What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?

What is the benefit of using SET XACT_ABORT ON in a stored procedure? 5 Answers 5 ...
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What's the difference between IEquatable and just overriding Object.Equals()?

I want my Food class to be able to test whenever it is equal to another instance of Food . I will later use it against a List, and I want to use its List.Contains() method. Should I implement IEquatable<Food> or just override Object.Equals() ? From MSDN: ...
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how to set “camera position” for 3d plots using python/matplotlib?

I'm learning how to use mplot3d to produce nice plots of 3d data and I'm pretty happy so far. What I am trying to do at the moment is a little animation of a rotating surface. For that purpose, I need to set a camera position for the 3D projection. I guess this must be possible since a surface can b...