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How would you implement an LRU cache in Java?
...ad.
So here is the simplest version with a unit test that shows it works based on some other versions.
First the non-concurrent version:
import java.util.LinkedHashMap;
import java.util.Map;
public class LruSimpleCache<K, V> implements LruCache <K, V>{
Map<K, V> map = new...
Why is \r a newline for Vim?
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How to simplify a null-safe compareTo() implementation?
...mmons.lang3) is "legacy/poorly maintained/low-quality" is false or at best baseless. Commons Lang3 is easy to understand and use, and it's actively maintained. It's probably my most oft-used library (apart from Spring Framework and Spring Security) - the StringUtils class with its null-safe methods ...
When and how should I use a ThreadLocal variable?
... Perhaps... It can be useful, though, if you have a huge, existing codebase to which you have to add a new datum that has to be passed around everywhere, e.g. a session context, db transaction, logged-in user, etc.
– Cornel Masson
Jul 23 '14 at 9:46
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Using CMake with GNU Make: How can I see the exact commands?
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how to check if List element contains an item with a Particular Property Value
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How do I squash two non-consecutive commits?
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You can run git rebase --interactive and reorder D before B and squash D into A.
Git will open an editor, and you see a file like this, ex: git rebase --interactive HEAD~4
pick aaaaaaa Commit A
pick bbbbbbb Commit B
pick ccccccc Commit C
pic...
What jsf component can render a div tag?
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How to make Twitter Bootstrap tooltips have multiple lines?
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`staticmethod` and `abc.abstractmethod`: Will it blend?
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