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Why is Scala's immutable Set not covariant in its type?
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at http://www.scala-lang.org/node/9764 Martin Odersky writes:
"On the issue of sets, I believe the non-variance stems also from the implementations. Common sets are implemented as hashtables, which are non-variant arrays of ...
Algorithm to detect intersection of two rectangles?
...e. It would only have been a separating edge if that had not been the case
http://www.iassess.com/collision.png
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Which is better: … or …
...e is no default value
for this attribute.
Notices the emphasis above.
http://www.w3.org/TR/html4/interact/scripts.html
Note: As of HTML5 (far away), the type attribute is not required and is default.
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'float' vs. 'double' precision
..., which is why the precision is more than doubled.
1: Section 5.2.4.2.2 ( http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf )
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What is the advantage of using async with MVC5?
...s like your javascript and images. Alternatively you could use NgineX / Lighttpd / Apache for files, or you could use a third party service such as Akamai (king for CDN but most expensive)
– Chris Marisic
Oct 22 '16 at 21:00
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How do I sort an observable collection?
...d a relevant blog entry that provides a better answer than the ones here:
http://kiwigis.blogspot.com/2010/03/how-to-sort-obversablecollection.html
UPDATE
The ObservableSortedList that @romkyns points out in the comments automatically maintains sort order.
Implements an observable collection ...
Automating “enter” keypresses for bash script generating ssh keys
...ssphrase" -f "desired pathAndName" -q
the -q is for silent
Source is http://linux.die.net/man/1/ssh-keygen
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Calling Python in Java?
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Jython: Python for the Java Platform - http://www.jython.org/index.html
You can easily call python functions from Java code with Jython. That is as long as your python code itself runs under jython, i.e. doesn't use some c-extensions that aren't supported.
If th...
Should I use single or double colon notation for pseudo-elements?
...r, even though the rest of the selector may look reasonable in CSS 2.1.
http://www.w3.org/TR/CSS2/syndata.html#rule-sets
You could however use
.foo:after { /*styles*/ }
.foo::after { /*styles*/ }
On the other hand this is more verbose than necessary; for now, you can stick with the one-colon ...
Accessing bash command line args $@ vs $*
...ument list is seen as a separate word.
Of course, "$@" should be quoted.
http://tldp.org/LDP/abs/html/internalvariables.html#ARGLIST
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