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How to put Google Maps V2 on a Fragment using ViewPager

... android:layout_height="match_parent" /> </RelativeLayout> Now, we code the Java class for showing the map in the file MapViewFragment.java: public class MapViewFragment extends Fragment { MapView mMapView; private GoogleMap googleMap; @Override public View onCreat...
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How to check if two arrays are equal with JavaScript? [duplicate]

...akes no guarantee whatsoever. [2017 update: Actually the ES6 specification now guarantees object keys will be iterated in order of 1) integer properties, 2) properties in the order they were defined, then 3) symbol properties in the order they were defined. Thus IF the JSON.stringify implementation ...
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Setting up FTP on Amazon Cloud Server [closed]

... control which services should automatically start: > sudo ntsysv Now vsftpd will automatically start up when your server boots up. Appendix B: Changing a user's FTP home directory * NOTE: Iman Sedighi has posted a more elegant solution for restricting users access to a specific directo...
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What's the difference between session.persist() and session.save() in Hibernate?

...n 2 , vehicle entity obtained in previous session is a detached object and now we will try to save / persist it // (i) Using Save() to persist a detached object Session session2 = factory.openSession(); session2.beginTransaction(); entity.setVehicleName("Toyota"); session2.save(entity); session2.g...
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Why shouldn't I use “Hungarian Notation”?

I know what Hungarian refers to - giving information about a variable, parameter, or type as a prefix to its name. Everyone seems to be rabidly against it, even though in some cases it seems to be a good idea. If I feel that useful information is being imparted, why shouldn't I put it right there wh...
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

..."Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home Now you will need to logout/login and then: java -version java version "1.7.0_45" :-) Of course I have no idea if something else breaks now or if the 1.8.0-ea version of java still works correctly. You probably should no...
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What happens if you static_cast invalid value to enum class?

...ct 1766. The [expr.static.cast]p10 paragraph has been strengthened, so you now can invoke UB if you cast a value that is outside the representable range of an enum to the enum type. This still doesn't apply to the scenario in the question, since data[0] is of the underlying type of the enumeration (...
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Subclassing a Java Builder class

...Builder<?> builder) { calories = builder.calories; } } Now instantiate the base builder with the derived class builder as the generic argument. public class GMOFacts extends NutritionFacts { private final boolean hasGMO; public static class Builder extends NutritionFac...
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Catching java.lang.OutOfMemoryError?

...same amount of allocated objects as before the unsuccessful allocation and now is the time to drop references to run-time objects to free even more memory that may be required for cleanup. In these cases, it may even be possible to continue but that would definitely be a bad idea as you can never be...
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Is there a better way to express nested namespaces in C++ within the header

...ce, ...) VA_SELECT(NAMESPACE_END_HELPER, _Namespace, __VA_ARGS__) Now you can do this: NAMESPACE_BEGIN(Foo, Bar, Baz) class X { }; NAMESPACE_END(Baz, Bar, Foo) // order doesn't matter, NAMESPACE_END(a, b, c) would work equally well Foo::Bar::Baz::X x; For nesting deeper than three lev...