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How can I convert immutable.Map to mutable.Map in Scala?
...gs factory. Unlike the ++ approach, this uses the CanBuildFrom mechanism, and so has the potential to be more efficient if library code was written to take advantage of this:
val m = collection.immutable.Map(1->"one",2->"Two")
val n = collection.mutable.Map(m.toSeq: _*)
This works because...
What is considered a good response time for a dynamic, personalized web application? [closed]
For a complex web application that includes dynamic content and personalization, what is a good response time from the server (so excluding network latency and browser rendering time)? I'm thinking about sites like Facebook, Amazon, MyYahoo, etc. A related question is what is a good response time ...
What does [STAThread] do?
I am learning C# 3.5 and I want to know what [STAThread] does in our programs?
3 Answers
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Why git AuthorDate is different from CommitDate?
I lookup my git logs and find that the AuthorDate and CommitDate is slightly different for some of my commits:
2 Answers
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Managing CSS Explosion
...ng on. Right now, all the CSS styles are being applied on a per tag basis, and so now I am trying to move it to more of an external styling to help with any future changes.
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What is Python buffer type for?
...buffer in this case is a sub-string, starting at position 6 with length 5, and it doesn't take extra storage space - it references a slice of the string.
This isn't very useful for short strings like this, but it can be necessary when using large amounts of data. This example uses a mutable bytearr...
How do you create a static class in C++?
...tax error. The static keyword should only be used in the class definition, and not in the method definition.
– andrewrk
Aug 13 '08 at 18:02
93
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Abstraction VS Information Hiding VS Encapsulation
Can you tell me what is the difference between abstraction and information hiding in software development?
22 Answers
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Sending a message to nil in Objective-C
...x:i]; This will also return 0, but since objectAtIndex: returns a pointer, and a pointer to 0 is nil/NULL, NSLog will be passed nil each time through the loop. (Although NSLog is a function and not a method, it prints out (null) if passed a nil NSString.
In some cases it's nicer to have a NullPoint...
Edit changeset comment after updates have been checked in to TFS
I have just switched to VS2012 and being unfamiliar with it, checked in some major changes without a comment. No other updates have been done since then and no other developers will have access to the code for another few hours.
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