大约有 34,900 项符合查询结果(耗时:0.0341秒) [XML]

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TSQL Pivot without aggregate function

I have a table like this... 9 Answers 9 ...
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Avoid Android Lint complains about not-translated string

...-strings.xml file within values directory.. Running Android Lint to check for problems it keeps saying that some translations are missing.. I do not want to disable this check on the whole project, I'd like to disable it only in some XML files.. is it possible? ...
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Equation for testing if a point is inside a circle

... jasonjason 214k3131 gold badges392392 silver badges504504 bronze badges ...
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What is the difference between atan and atan2 in C++?

... nbro 10.9k1717 gold badges7676 silver badges140140 bronze badges answered Nov 12 '08 at 9:22 Chris Jester-Youn...
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Is there a way to instantiate a class by name in Java?

I was looking as the question : Instantiate a class from its string name which describes how to instantiate a class when having its name. Is there a way to do it in Java? I will have the package name and class name and I need to be able to create an object having that particular name. ...
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How to set selected item of Spinner by value, not by position?

... edited Jan 4 '18 at 12:43 Kunwar Ajeet Singh Rajput 39544 silver badges1212 bronze badges answered Nov 19 '10 at 18:18 ...
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How to run `rails generate scaffold` when the model already exists?

...ffold scaffold_controller session_migration stylesheets If you'd like to generate a controller scaffold for your model, see scaffold_controller. Just for clarity, here's the description on that: Stubs out a scaffolded controller and its views. Pass the model name, either CamelCased...
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Android: how to check if a View inside of ScrollView is visible?

I have a ScrollView which holds a series of Views . I would like to be able to determine if a view is currently visible (if any part of it is currently displayed by the ScrollView ). I would expect the below code to do this, surprisingly it does not: ...
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]

Every time I have to iterate over a collection I end up checking for null, just before the iteration of the for-each loop starts. Like this: ...
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Why there is no ConcurrentHashSet against ConcurrentHashMap

...map (or map class). Prior to Java 8, you produce a concurrent hash set backed by a concurrent hash map, by using Collections.newSetFromMap(map) In Java 8 (pointed out by @Matt), you can get a concurrent hash set view via ConcurrentHashMap.newKeySet(). This is a bit simpler than the old newSetFromM...