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Difference between a class and a module
I came from Java, and now I am working more with Ruby.
9 Answers
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How to check if PHP array is associative or sequential?
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I think it is more useful to think of sequential arrays as a special case of associative arrays. So every array is associative, but only some are sequential. Therefore, a function isSequential() would make more sense than isAssoc(). In suc...
Postgres: SQL to list table foreign keys
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+1, very helpful. To make the query more robust it should probably join on constraint_schema as well, since it's possible for two schemas to have constraints with the same name. Something like: FROM information_schema.table_constraints AS tc JOIN information_s...
How can I position my div at the bottom of its container?
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Initialization of an ArrayList in one line
... it will initialize an immutable List rather than an ArrayList, and furthermore, it's not available yet, if it ever will be.
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How to increase heap size of an android application?
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I wonder if we can't "simply" use Unity3D as a more specific answer to the question ("uses several 3D models")... Couldn't quickly find any clear evidence on whether unity does use NDK.
– cregox
Nov 12 '15 at 12:11
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In C#, why is String a reference type that behaves like a value type?
...have been a value type (a struct), but the "value" would have been nothing more than a reference to the string. The .NET designers naturally decided to cut out the middleman (struct handling was inefficient in .NET 1.0, and it was natural to follow Java, in which strings were already defined as a re...
When should we use Observer and Observable?
...g is the Observable.
The analogy might not be perfect, because Twitter is more likely to be a Mediator. But it illustrates the point.
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Asynchronously wait for Task to complete with timeout
...Crafting a Task.TimeoutAfter Method" (from MS Parallel Library team) with more info on this sort of thing.
Addition: at the request of a comment on my answer, here is an expanded solution that includes cancellation handling. Note that passing cancellation to the task and the timer means that there...
Regular Expressions: Is there an AND operator?
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