大约有 13,071 项符合查询结果(耗时:0.0281秒) [XML]

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Show AlertDialog in any position of the screen

... After searching in various post I have found the solution. The code is posted below: private CharSequence[] items = {"Set as Ringtone", "Set as Alarm"}; AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setItems(items, n...
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How do I specify a single test in a file with nosetests?

... You must specify it like so: nosetests <file>:<Test_Case>.<test_method>, or nosetests test_web.py:TestWeb.test_checkout See the docs ...
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How do I typedef a function pointer with the C++11 using syntax?

... It has a similar syntax, except you remove the identifier from the pointer: using FunctionPtr = void (*)(); Here is an Example If you want to "take away the uglyness", try what Xeo suggested: #include <type_traits> using FunctionPtr = std::add_poi...
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Why does Math.floor return a double?

Official Javadoc says that Math.floor() returns a double that is "equal to a mathematical integer", but then why shouldn't it return an int ? ...
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How to remove last n characters from every element in the R vector

I am very new to R, and I could not find a simple example online of how to remove the last n characters from every element of a vector (array?) ...
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How to implement a confirmation (yes/no) DialogPreference?

... That is a simple alert dialog, Federico gave you a site where you can look things up. Here is a short example of how an alert dialog can be built. new AlertDialog.Builder(this) .setTitle("Title") .setMessage("Do you really want to whatever?") .setIcon(android.R.drawable...
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Autowiring two beans implementing same interface - how to set default bean to autowire?

... Spring 2.5/Java/Tomcat application. There is the following bean, which is used throughout the application in many places 5...
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ng-options with simple array init

I'm a little bit confused with Angular and ng-options . 5 Answers 5 ...
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Why is Scala's immutable Set not covariant in its type?

EDIT : Re-written this question based on original answer 3 Answers 3 ...
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What is the fundamental difference between WebSockets and pure TCP?

I've read about WebSockets and I wonder why browser couldn't simply open trivial TCP connection and communicate with server like any other desktop application. And why this communication is possible via websockets? ...