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When to use AtomicReference in Java?
...rivial) operations on a reference, for which monitor-based synchronization is not appropriate. Suppose you want to check to see if a specific field only if the state of the object remains as you last checked:
AtomicReference<Object> cache = new AtomicReference<Object>();
Object cachedV...
Write a program to find 100 largest numbers out of an array of 1 billion numbers
...iority queue implemented with a heap, the complexity of insertion to queue is O(logN)
In the worst case you get billionlog2(100) which is better than billionlog2(billion)
In general, if you need the largest K numbers from a set of N numbers, the complexity is O(NlogK) rather than O(NlogN), this ca...
Should I instantiate instance variables on declaration or in the constructor?
Is there any advantage for either approach?
15 Answers
15
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Where are static variables stored in C and C++?
...ecutable file are static variables stored so that they don't have name collision?
For example:
16 Answers
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What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
There are three assembly version attributes. What are differences? Is it ok if I use AssemblyVersion and ignore the rest?
...
What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
...which I need to pack into the smallest space possible (the dimensions of this space should be powers of two).
7 Answers
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Difference between return and exit in Bash functions
What is the difference between the return and exit statement in Bash functions with respect to exit codes?
10 Answers
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When to use static vs instantiated classes
PHP is my first programming language. I can't quite wrap my head around when to use static classes vs instantiated objects.
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What is a “translation unit” in C++
... According to standard C++ (wayback machine link) :
A translation unit is the basic unit
of compilation in C++. It consists of
the contents of a single source file,
plus the contents of any header files
directly or indirectly included by it,
minus those lines that were ignored
using ...
Should I use tag for icons instead of ? [closed]
...ML and Twitter Bootstrap HTML (before v3) both use the <i> tag to display icons.
7 Answers
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