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What does Class mean in Java?
My question is as above. Sorry, it's probably a duplicate but I couldn't find an em>x m>ample with the <?> on the end.
6...
How to show and update echo on same line
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Well I did not read correctly the man echo page for this.
echo had 2 options that could do this if I added a 3rd escape character.
The 2 options are -n and -e.
-n will not output the trailing newline. So that saves me from going to a new line each time I e...
Partly JSON unmarshal into a map in Go
My websocket server will receive and unmarshal JSON data. This data will always be wrapped in an object with key/value pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value int...
Change Activity's theme programmatically
In particular cases I need to remove dialog theme from my activity but it doesn't seem to be working. Here's an em>x m>ample
4 A...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
I'm working on an app that requires no user input, but I don't want the iPhone to enter the power saving mode.
5 Answers
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How do I specify a single test in a file with nosetests?
I have a file called test_web.py containing a class TestWeb and many methods named like test_something().
6 Answers
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How to remove last n characters from every element in the R vector
I am very new to R, and I could not find a simple em>x m>ample online of how to remove the last n characters from every element of a vector (array?)
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Is it better to use std::memcpy() or std::copy() in terms to performance?
...eed of std::copy over memcpy: 2.99%
My compiler is gcc 4.6.3 on Fedora 16 m>x m>86_64. My optimization flags are -Ofast -march=native -funsafe-loop-optimizations.
Code for my SHA-2 implementations.
I decided to run a test on my MD5 implementation as well. The results were much less stable, so I decide...
ng-options with simple array init
I'm a little bit confused with Angular and ng-options .
5 Answers
5
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Why is Scala's immutable Set not covariant in its type?
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Set is invariant in its type parameter because of the concept behind sets as functions. The following signatures should clarify things slightly:
trait Set[A] em>x m>tends (A=>Boolean) {
def apply(e: A): Boolean
}
If Set were covariant in A, the apply met...