08-22-2008
Purpose of empty Class
class A
{};
int main()
{
A a;
}
What is the purpose of such empty classes in C++?Why is it allowed in the language specification?
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LEARN ABOUT DEBIAN
hxselect
HXSELECT(1) HTML-XML-utils HXSELECT(1)
NAME
hxselect - extract elements that match a (CSS) selector
SYNOPSIS
hxselect [ -i ] [ -c ] [ -l language ] [ -s separator ] selector
DESCRIPTION
hxselect reads a well-formed XML document and outputs elements that match the CSS selector that is given as an argument. For example
hxselect ol li:first-child
selects the first li (list item in XHTML) in an ol (ordered list).
The command operates on the standard input.
Assumes that class selectors (".foo") refer to an attribute called "class".
Assumes that ID selectors ("#foo") refer to an attribute called "id".
OPTIONS
The following options are supported:
-i Match case-insensitively. Useful for HTML and some other SGML-based languages.
-c Print content only. Without -c, the start and end tag of the matched element are printed as well; with -c only the contents of
the matched element are printed.
-l language
Sets the default language, in case the root element doesn't have an xml:lang attribute (default: none). Example: -l en
-s separator
A string to print after each match (default: empty). Accepts C-like escapes. Example: -s '
' to print an empty line after each
match.
-? Show command usage.
OPERANDS
The following operand is supported:
selector
A selector. Most selectors from CSS level 3 are supported, with the exception of pseudo-classes, pseudo-elements and selectors with
last- in their name.
6.x 10 Jul 2011 HXSELECT(1)