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How to check if AlarmManager already has an alarm set?
...ar alarm (registered via AlarmManager) is already set and running. Results from google seem to indicate that there is no way to do this. Is this still correct? I need to do this check in order to advise the user before any action is taken to create a new alarm.
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How is the java memory pool divided?
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Heap memory
The heap memory is the runtime data area from which the Java VM allocates memory for all class instances and arrays. The heap may be of a fixed or variable size. The garbage collector is an automatic memory management system that reclaims heap memory for objects.
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How to delete every other line in Vim?
I would like to delete every other line from a Vim buffer, starting with the second one, i.e., lines 2, 4, 6, etc. For example, if the buffer’s contents is:
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Reflection generic get field value
...}
}
return null;
}
Also be aware that when your class inherits from another class, you need to recursively determine the Field. for instance, to fetch all Fields of a given class;
for (Class<?> c = someClass; c != null; c = c.getSuperclass())
{
Field[] fields = c.g...
Undo a Git merge that hasn't been pushed yet
...he "one prior the merge" will be the most recent commit that was merged in from the other branch -- it won't be the most recent commit on the current branch. Right? (This might just be a result of what git log chooses to show by default -- maybe there is a different output of git log or git reflog c...
Difference between repository and service?
... to data/objects. It is a way of decoupling the way you store data/objects from the rest of the application.
A service supplies coordination or other "services" that are required to operate your application. They are very different in that Services don't typically know how to access data from persi...
Why would one use nested classes in C++?
... Node as other people may decide to use the class and that would hinder me from updating my class as anything exposed is part of the public API and must be maintained forever. By making the class private, I not only hide the implementation I am also saying this is mine and I may change it at any tim...
Should I impose a maximum length on passwords?
...imposing a minimum length on passwords makes a lot of sense (to save users from themselves), but my bank has a requirement that passwords are between 6 and 8 characters long, and I started wondering...
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Correct way to close nested streams and writers in Java [duplicate]
... mask an exception we might really care about.
The finally tries to close from the outside of any decorated stream first, so if you had a BufferedWriter wrapping a FileWriter, we try to close the BuffereredWriter first, and if that fails, still try to close the FileWriter itself. (Note that the def...
How to start working with GTest and CMake
... @weberc2 You have to run make test to run the tests, or run ctest from the build directory. Run ctest -V to see the google test output as well as the ctest output.
– Patrick
Jul 21 '16 at 20:15
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