Hi guys and gals...
A mildly humourous blog from 2013, but I come into this category... ;oDD
Languager: The Poorest Computer Users are Programmers (0 Replies)
While working on my current "UNIX history project" I ran across this:
Jerry Saltzer created an online scanned copy of the Multics Systems Programmers' Manual (MSPM) in this directory.
Based on the 1969-04-01 MSPM, the repo comprising 996 PDF files.
In order to help preserver the MSPM, ... (1 Reply)
Discussion started by: Neo
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3. Forum Support Area for Unregistered Users & Account Problems
When I visit Programmers forum my ESET Nod32 detects TrojanDownloader.Pegel.BH.trojan
I don't know when it started, as I visited the site today after staying off-line a few days. (2 Replies)
i have MOTIF installed X11
a easy program is saved as hello.c
there is the following message
where can i get the X11/intrinsic.h , file ???
need help to compile
my system : MX-16 Linux Debian Jessie / i386
hans@mx1:~/Documents
$ cc push.c -o push -lXm -lXt -lX11
In file included from... (0 Replies)
I've seen so many times that programmers were confused about shell quoting and white spaces interpretation, that I decided to investigate that problem deeper. And my conclusion is that quoting in shells is very different from other programming languages. Programmers who have bigger experience in... (6 Replies)
Can someone suggest any online venues to assist in recruiting a senior C programmer (looking for someone interested in working on kerberos code).
I've tried a bunch of the open source and higher ed lists (this is for Univ. of Michigan). The commercial services such as Dice or monster yield a... (7 Replies)
I have never programmed in Perl (insert laughter, mock, etc. here ____) - so I need a sort of "Programming in Perl" covering the basics.
I now have two Perl books, one is a 5 volume Unix resource kit, the other is "Mastering algorithms with Perl" - none of them explains how to produce "hello,... (11 Replies)
XML::Namespace(3pm) User Contributed Perl Documentation XML::Namespace(3pm)NAME
XML::Namespace - Simple support for XML Namespaces
SYNOPSIS
Example 1: using XML::Namespace objects
use XML::Namespace;
my $xsd = XML::Namespace->new('http://www.w3.org/2001/XMLSchema#');
# explicit access via the uri() method
print $xsd->uri(); # http://www.w3.org/2001/XMLSchema#
print $xsd->uri('integer'); # http://www.w3.org/2001/XMLSchema#integer
# implicit access through AUTOLOAD method
print $xsd->integer; # http://www.w3.org/2001/XMLSchema#integer
Example 2: importing XML::Namespace objects
use XML::Namespace
xsd => 'http://www.w3.org/2001/XMLSchema#',
rdf => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#';
# xsd and rdf are imported subroutines that return
# XML::Namespace objects which can be used as above
print xsd->uri('integer'); # http://www.w3.org/2001/XMLSchema#integer
print xsd->integer; # http://www.w3.org/2001/XMLSchema#integer
DESCRIPTION
This module implements a simple object for representing XML Namespaces in Perl. It provides little more than some syntactic sugar for your
Perl programs, saving you the bother of typing lots of long-winded URIs. It was inspired by the Class::RDF::NS module distributed as part
of Class::RDF.
Using XML::Namespace Objects
First load the XML::Namespace module.
use XML::Namespace;
Then create an XML::Namespace object.
my $xsd = XML::Namespace->new('http://www.w3.org/2001/XMLSchema#');
Then use the uri() method to return an absolute URI from a relative path.
print $xsd->uri('integer'); # http://www.w3.org/2001/XMLSchema#integer
Alternately, use the AUTOLOAD method to map method calls to the uri() method.
print $xsd->integer; # http://www.w3.org/2001/XMLSchema#integer
Importing XML::Namespace Objects
When you "use" the XML::Namespace module, you can specify a list of namespace definitions.
use XML::Namespace
xsd => 'http://www.w3.org/2001/XMLSchema#',
rdf => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#';
This defines the "xsd" and "rdf" subroutines and exports them into the calling package. The subroutines simply return XML::Namespace
objects initialised with the relevant namespace URIs.
print xsd->uri('integer'); # http://www.w3.org/2001/XMLSchema#integer
print xsd->integer; # http://www.w3.org/2001/XMLSchema#integer
Overloaded Stringification Method
The XML::Namespace module overloads the stringification operator to return the namespace URI.
my $xsd = XML::Namespace->new('http://www.w3.org/2001/XMLSchema#');
print $xsd; # http://www.w3.org/2001/XMLSchema#
METHODS
new($uri)
Constructor method which creates a new XML::Namespace object. It expects a single argument denoting the URI that the namespace is to
represent.
use XML::Namespace;
my $xsd = XML::Namespace->new('http://www.w3.org/2001/XMLSchema#');
uri($path)
When called without arguments, this method returns the URI of the namespace object, as defined by the argument passed to the new()
constructor method.
$xsd->uri(); # http://www.w3.org/2001/XMLSchema#
An argument can be passed to indicate a path relative to the namespace URI. The method returns a simple concatenation of the namespace URI
and the relative path argument.
$xsd->uri('integer'); # http://www.w3.org/2001/XMLSchema#integer
import($name,$uri,$name,$uri,...)
This method is provided to work with the Exporter mechanism. It expects a list of "($name, $uri)" pairs as arguments. It creates
XML::Namespace objects and accessor subroutines that are then exported to the caller's package.
Although not intended for manual invocation, there's nothing to stop you from doing it.
use XML::Namespace;
XML::Namespace->import( xsd => 'http://www.w3.org/2001/XMLSchema#' );
xsd()->integer; # http://www.w3.org/2001/XMLSchema#integer
Note that the parentheses are required when accessing this subroutine.
xsd()->integer; # Good
xsd->integer; # Bad
Unlike those that are defined automatically by the Importer, Perl doesn't know anything about these subroutines at compile time. Without
the parentheses, Perl will think you're trying to call the "integer" method on an unknown "xsd" package and you'll see an error like:
Can't locate object method "integer" via package "xsd"
That's why it's better to define your namespaces when you load the XML::Namespace module.
use XML::Namespace
xsd => 'http://www.w3.org/2001/XMLSchema#';
xsd->integer; # Good
AUTOLOAD
The module defines an AUTOLOAD method that maps all other method calls to the uri() method. Thus, the following return the same value.
$xsd->uri('integer'); # http://www.w3.org/2001/XMLSchema#integer
$xsd->integer; # http://www.w3.org/2001/XMLSchema#integer
AUTHOR
Andy Wardley <mailto:abw@cpan.org>
VERSION
This is version 0.02 of XML::Namespace.
COPYRIGHT
Copyright (C) 2005 Andy Wardley. All Rights Reserved.
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
SEE ALSO
The Class::RDF::NS module, distributed as part of Class::RDF, provided the inspiration for the module. XML::Namespace essentially does the
same thing, albeit in a slightly different way. It's also available as a stand-alone module for use in places unrelated to RDF.
The XML::NamespaceFactory module also implements similar functionality to XML::Namespace, but instead uses the JClark notation (e.g.
"{http://foo.org/ns/}title").
perl v5.10.1 2005-08-22 XML::Namespace(3pm)