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Design by contract using assertions or exceptions? [closed]
...ies, right? The two most prominent ways to do these checks are by assert and by exception .
14 Answers
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In pure functional languages, is there an algorithm to get the inverse function?
...n algorithm to get the inverse of a function, (edit) when it is bijective? And is there a specific way to program your function so it is?
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Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
... I want to do : run a background thread which calculates ListView contents and update ListView partially, while results are calculated.
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Under what circumstances are linked lists useful?
... with a single CAS (+retries).
In a modern GC-d environment - such as Java and .NET - the ABA problem can easily be avoided.
Just wrap items you add in freshly created nodes and do not reuse those nodes - let the GC do its work.
The page on the ABA problem also provides the implementation of a lock...
What is the difference between typeof and instanceof and when should one be used vs. the other?
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typeof []; //object
{} instanceof Object; // true
typeof {}; // object
And the last one is a little bit tricky:
typeof null; // object
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Was PreferenceFragment intentionally excluded from the compatibility package?
I'm looking to write preferences that can be applied to both 3.0 and pre-3.0 devices. Discovering that PreferenceActivity contains deprecated methods (although these are used in the accompanying sample code), I looked at PreferenceFragement and the compatibility package to solve my woes.
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When should I choose Vector in Scala?
It seems that Vector was late to the Scala collections party, and all the influential blog posts had already left.
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Conditionally use 32/64 bit reference when building in Visual Studio
I have a project that builds in 32/64-bit and has corresponding 32/64-bit dependencies. I want to be able to switch configurations and have the correct reference used, but I don't know how to tell Visual Studio to use the architecture-appropriate dependency.
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What is android:weightSum in android, and how does it work?
I want to know: What is android:weightSum and layout weight, and how do they work?
9 Answers
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Localization and internationalization, what's the difference?
... Some other reasons to think of them separately: Internationalization QA and localization QA have different test cases, Internationalization is a one-time cost (more or less), and so the more languages you localize to, the higher your ROI. i18n is generally more costly than l10n to any one locale....