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Technically, why are processes in Erlang more efficient than OS threads?
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To your 3rd point: Erlang enforces immutable data, so introducing SMP should not affect thread-safety.
– nilskp
Mar 14 '12 at 12:57
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Why can't I inherit static classes?
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Static methods are only held once in memory. There is no virtual table etc. that is created for them.
If you invoke an instance method in .NET, you always give it the current instance. This is hidden by the .NET runtime, but it happens. Each instance method has as first argument a pointer ...
What's an Aggregate Root?
...tever language mechanisms are available - for instance, by creating an immutable class to represent the data.
– Jeff Sternal
Feb 4 '11 at 14:02
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Good MapReduce examples [closed]
...ort + an explanation of distributed sort algorithm also helps.
Join of two tables. People working with DB are familiar with the concept and its scalability problem. Show how it can be done in MR.
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What's the correct way to communicate between controllers in AngularJS?
...e is a jsperf that shows how much of a perf impact $broadcastbrings to the table in a decent scenario with just 100 $scope's.
http://jsperf.com/rootscope-emit-vs-rootscope-broadcast
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impro...
What is the difference between and ?
...> element as an element of last resort, for when no other element is suitable. Use of more appropriate elements instead of the <div> element leads to better accessibility for readers and easier maintainability for authors.
(https://www.w3.org/TR/html/grouping-content.html#the-div-element)
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What is Unicode, UTF-8, UTF-16?
...II. In addition, the vast majority of commonly used characters are representable by only two bytes, in a region called the Basic Multilingual Plane (BMP). Now a character encoding is needed to access this character set, and as the question asks, I will concentrate on UTF-8 and UTF-16.
Memory consid...
What is the effect of extern “C” in C++?
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11: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND _GLOBAL_OFFSET_TABLE_
12: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND _Z1gv
13: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND eg
Interpretation
We see that:
ef and eg were stored in symbols with the same name as in ...
When to use PNG or JPG in iPhone development?
...ded to use PNG's for any images that appear as part of the interface (in a table view, labels, etc).
As for displaying a full screen image such as a photograph you may still reap benefits with PNG's since they are non-lossy and the visual quality should be better than a JPG not to mention resource...
Scala: What is a TypeTag and how do I use it?
...flect.ClassTag[List[Int]] =↩
ClassTag[class scala.collection.immutable.List]
As one can see above, they don't care about type erasure, therefore if one wants "full" types TypeTag should be used:
scala> typeTag[List[Int]]
res105: reflect.runtime.universe.TypeTag[List[Int]] = TypeTag[s...