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What is the best algorithm for overriding GetHashCode?
In .NET, the GetHashCode method is used in a lot of places throughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in a collection or when determining equality.
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What is sharding and why is it important?
...rds) into an easy to deal with aggregate that makes sense in the context. Is this correct?
7 Answers
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Should I learn C before learning C++? [closed]
I visited a university CS department open day today and in the labs tour we sat down to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of...
'Missing contentDescription attribute on image' in XML
I get an warning about [Accessibility]Missing contentDescription attribute on image in eclipse. This warning show at line 5 (declare ImageView ) in XML code below.
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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...
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?
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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?
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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).
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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:
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