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1. UNIX for Beginners Questions & Answers
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2. Shell Programming and Scripting
Suppose I want to take a screenshot of a website say Google and save that image. How should I do it?
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8. UNIX for Dummies Questions & Answers
I was wondering if anyone can tell me how to change 24 bits depth display to 8 bits depth display for Sun Ultra1, running Solaris 8? THANKS in advance. I think that the command is ffbconfig, but it has nothing about depth. (4 Replies)
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Class::DBI::Pager(3pm) User Contributed Perl Documentation Class::DBI::Pager(3pm)
Class::DBI::Pager - Pager utility for Class::DBI
use base qw(Class::DBI);
use Class::DBI::Pager; # just use it
# then, in client code!
my $pager = CD->pager(20, 1); # ($items_per_page, $current_page)
my @disks = $pager->retrieve_all;
Class::DBI::Pager is a plugin for Class::DBI, which glues Data::Page with Class::DBI. This module reduces your work a lot, for example when
you have to do something like:
* retrieve objects from a database
* display objects with 20 items per page
In addition, your work will be reduced more, when you use Template-Toolkit as your templating engine. See "EXAMPLE" for details.
# Controller: (MVC's C)
my $query = CGI->new;
my $template = Template->new;
my $pager = Film->pager(20, $query->param('page') || 1);
my $movies = $pager->retrieve_all;
movies => $movies,
pager => $pager,
# View: (MVC's V)
Matched [% pager.total_entries %] items.
[% WHILE (movie = movies.next) %]
Title: [% movie.title | html %]
[% END %]
### navigation like:   
[% FOREACH num = [pager.first_page .. pager.last_page] %]
[% IF num == pager.current_page %][[% num %]]
[% ELSE %]<a href="display?page=[% num %]">[[% num %]]</a>[% END %]
[% END %]
### navigation like: prev 20 | next 20
[% IF pager.previous_page %]
<a href="display?page=[% pager.previous_page %]">
prev [% pager.entries_per_page %]</a> |
[% END %]
[% IF pager.next_page %]
<a href="display?page=[% pager.next_page %]">
next [% pager.entries_per_page %]</a>
[% END %]
This modules internally retrieves itertors, then creates "Data::Page" object for paging utility. Using SQL clauses "LIMIT" and/or "OFFSET"
with "DBIx::Pager" might be more memory efficient.
Tatsuhiko Miyagawa <email@example.com>
Original idea by Tomohiro Ikebe <firstname.lastname@example.org>
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.10.0 2006-03-01 Class::DBI::Pager(3pm)