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Is null an Object?

... If null were an Object, it would support the methods of java.lang.Object such as equals(). However, this is not the case - any method invocation on a null results in a NullPointerException. And this is what the Java Language Specification has to say on this topic: ...
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded

I get this error message as I execute my JUnit tests: 20 Answers 20 ...
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How to reference the initial commit?

... . I cannot find anything in git help rev-parse that would seem to help me. 3 Answers ...
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When would you use the Builder Pattern? [closed]

What are some common , real world examples of using the Builder Pattern? What does it buy you? Why not just use a Factory Pattern? ...
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Any reason to clean up unused imports in Java, other than reducing clutter?

Is there any good reason to avoid unused import statements in Java? As I understand it, they are there for the compiler, so lots of unused imports won't have any impacts on the compiled code. Is it just to reduce clutter and to avoid naming conflicts down the line? ...
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Tablet or Phone - Android

... phone? I've got problems with my tilt function and my new tablet (Transformer) 30 Answers ...
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How to post JSON to PHP with curl

... trying all afternoon to run the curl post command in this recess PHP framework tutorial. What I don't understand is how is PHP supposed to interpret my POST, it always comes up as an empty array. ...
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URL to load resources from the classpath in Java

In Java, you can load all kinds of resources using the same API but with different URL protocols: 14 Answers ...
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Set title background color

...rent" android:textColor="@color/titletextcolor" /> res/values/themes.xml - We want to keep the default android theme and just need to change the background color of the title background. So we create a theme that inherits the default theme and set the background style to our own style. &l...
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How do I get an object's unqualified (short) class name?

How do I check the class of an object within the PHP name spaced environment without specifying the full namespaced class. ...