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How does type Dynamic work and how to use it?
...Dynamic allows you to call methods on objects that don't exist or in other words it is a replica of "method missing" in dynamic languages.
It is correct, scala.Dynamic doesn't have any members, it is just a marker interface - the concrete implementation is filled-in by the compiler. As for Scalas S...
Sort JavaScript object by key
...use the more precise term where possible. I see no reason to do otherwise. Words matter.
– Matt Ball
Jul 12 '13 at 20:33
...
What MIME type should I use for CSV?
...ation/pdf</td></tr><tr><td></td><td>MS Word document</td><td>application/vnd.openxmlformats-officedocument.wordprocessingml.document</td></tr><tr><td></td><td>EPUB</td><td>application/epub+zip</td>&...
Volatile vs. Interlocked vs. lock
...
In other words, if a var is declared as volatile, the compiler will assume that the var's value will not remain the same (i.e. volatile) each time your code comes across it. So in a loop such as: while (m_Var) { }, and m_Var is set to...
What does “abstract over” mean?
...other characteristics. The abstraction is unified under a single symbol or word denoting the similarities. We say that we abstract over the differences, but this really means we're integrating by the similarities.
For example, consider a program that takes the sum of the numbers 1, 2, and 3:
val s...
What's the need of array with zero elements?
...ccess that
element or to generate a pointer one past it.
Or in other words, if you have:
struct something
{
/* other variables */
char data[];
}
struct something *var = malloc(sizeof(*var) + extra);
You can access var->data with indices in [0, extra). Note that sizeof(struct som...
How to style a checkbox using CSS
...
In other words, IE9 and later versions supports :checked.
– Blake Pettersson
Oct 8 '12 at 13:13
1
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Why does calling a method in my derived class call the base class method?
...ustrates. If you want to change this behavior, you can attach different keywords to your method.
1. Abstract classes
The first one is abstract. abstract methods simply point to nowhere:
If your class contains abstract members, it also needs to be marked as abstract, otherwise the compiler will ...
Does PostgreSQL support “accent insensitive” collations?
...PY = simple );
ALTER TEXT SEARCH CONFIGURATION mydict
ALTER MAPPING FOR hword, hword_part, word
WITH unaccent, simple;
Which you can then index with a functional index,
-- Just some sample data...
CREATE TABLE myTable ( myCol )
AS VALUES ('fóó bar baz'),('qux quz');
-- No index required,...
CSS media queries: max-width OR max-height
...ed with the terminology associated with media query syntax
1. AND (and keyword)
Requires that all conditions specified must be met before the styling rules will take effect.
@media screen and (min-width: 700px) and (orientation: landscape) { ... }
The specified styling rules won't go into place ...