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What data type to use for money in Java? [closed]
... this article by Peter Lawrey. but it seems at least as big a hassle to do all the rounding as to use BigDecimals.
– Nathan Hughes
Jun 22 '15 at 14:55
36
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private final static attribute vs private final attribute
...riable);
That makes the behaviour much more obvious. Modern IDEs will usually suggest changing the second listing into the third.
There is no reason to have an inline declaration initializing the value like the following, as each instance will have its own NUMBER but always with the same value (i...
What is Turing Complete?
... in practice, because no realizable system has an infinite tape. What we really mean is that some systems have the ability to approximate Turing-completeness up to the limits of their available memory.
– Shelby Moore III
Aug 8 '14 at 22:40
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How to recursively find and list the latest modified files in a directory with subdirectories and ti
...es with several subdirectories and files in them. I need to make a list of all these directories that is constructed in a way such that every first-level directory is listed next to the date and time of the latest created/modified file within it.
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Git submodule update
...out the specific version of the project, but not within a branch. This is called having a detached head — it means the HEAD file points directly to a commit, not to a symbolic reference.
The issue is that you generally don’t want to work in a detached head environment, because it’s easy to l...
What is the difference between const_iterator and non-const iterator in the C++ STL?
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const_iterators don't allow you to change the values that they point to, regular iterators do.
As with all things in C++, always prefer const, unless there's a good reason to use regular iterators (i.e. you want to use the fact that they're not c...
How to get progress from XMLHttpRequest
... {
if (req.readyState == 4)
{
//run any callback here
}
};
req.send();
}
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Instantiating a generic class in Java [duplicate]
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This is all great and all ... it certainly works. But ... if all we need is a new Bar instance (since <T> is <Bar>) then reflectively making a Bar instance with Class<Bar> token = Bar.class; and Bar newBar = token....
Why should I use the keyword “final” on a method parameter in Java?
I can't understand where the final keyword is really handy when it is used on method parameters.
12 Answers
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Fragment or Support Fragment?
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From my experience, using the same fragment implementation on all Android devices is a great advantage. I could not get rid of all NullPointerExceptions when state is saved on Android 4.0 using native fragments, with the support library they are all gone. Also I could not see any disadv...