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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?

...ge-processing problems in Haskell. I'm working with both bitonal (bitmap) and color images with millions of pixels. I have a number of questions: ...
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Why does flowing off the end of a non-void function without returning a value not produce a compiler

... C99 and C++ standards don't require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0) only in the main function. The rationale includes that checking if every c...
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HTTP Error 403.14 - Forbidden - The Web server is configured to not list the contents of this direct

I just created a new empty website in Visual Studio 2012 and clicked on run (i.e view in browser) and I get this error : 25...
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What are the differences between various threading synchronization options in C#?

...t me try.. Revision#2 of my orig answer.. with a little bit of more understanding. Thanks for making me read :) lock(obj) is a CLR construct that for (intra-object?) thread synchronization. Ensures that only one thread can take ownership of the object's lock & enter the locked block of code....
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Update ViewPager dynamically?

...ter or FragmentStatePagerAdapter, it is best to deal solely with getItem() and not touch instantiateItem() at all. The instantiateItem()-destroyItem()-isViewFromObject() interface on PagerAdapter is a lower-level interface that FragmentPagerAdapter uses to implement the much simpler getItem() interf...
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decimal vs double! - Which one should I use and when? [duplicate]

...ubles sometimes lose precision. My question is when should a use a double and when should I use a decimal type? Which type is suitable for money computations? (ie. greater than $100 million) ...
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When should I mock?

I have a basic understanding of mock and fake objects, but I'm not sure I have a feeling about when/where to use mocking - especially as it would apply to this scenario here . ...
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What exceptions should be thrown for invalid or unexpected parameters in .NET?

... I like to use: ArgumentException, ArgumentNullException, and ArgumentOutOfRangeException. ArgumentException – Something is wrong with the argument. ArgumentNullException – Argument is null. ArgumentOutOfRangeException – I don’t use this one much, but a common use is index...
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How to test an Android Library Project

I am writing an Android Library Project basing on Android Bitmap class (call it AndroindLib) which contains only utility class (no activity). I tried to test it using Android JUnit, but it keeps complaining that can't find the AnroidLib.apk ...
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MongoDB with redis

...n anyone give example use cases of when you would benefit from using Redis and MongoDB in conjunction with each other? 3 An...