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Full Discussion: Arduino Robot Tank Project
Special Forums Hardware Arduino Robot Tank Project Post 303043243 by hicksd8 on Wednesday 22nd of January 2020 05:54:41 AM
I hope that you'll post us a video of this thing in action when it's done.
 
Test Your Knowledge in Computers #224
Difficulty: Easy
In September 2019, according to NetMarketShare, Windows had just over 87% of the global desktop market, followed by Linux at close to 10%, and macOS in third place at around 2%.
True or False?

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LWP::RobotUA(3) 					User Contributed Perl Documentation					   LWP::RobotUA(3)

NAME
LWP::RobotUA - A class for Web Robots SYNOPSIS
require LWP::RobotUA; $ua = new LWP::RobotUA 'my-robot/0.1', 'me@foo.com'; $ua->delay(10); # be very nice, go slowly ... # just use it just like a normal LWP::UserAgent $res = $ua->request($req); DESCRIPTION
This class implements a user agent that is suitable for robot applications. Robots should be nice to the servers they visit. They should consult the /robots.txt file to ensure that they are welcomed and they should not make requests too frequently. But, before you consider writing a robot take a look at <URL:http://info.webcrawler.com/mak/projects/robots/robots.html>. When you use a LWP::RobotUA as your user agent, then you do not really have to think about these things yourself. Just send requests as you do when you are using a normal LWP::UserAgent and this special agent will make sure you are nice. METHODS
The LWP::RobotUA is a sub-class of LWP::UserAgent and implements the same methods. In addition the following methods are provided: $ua = LWP::RobotUA->new($agent_name, $from, [$rules]) Your robot's name and the mail address of the human responsible for the robot (i.e. you) are required by the constructor. Optionally it allows you to specify the WWW::RobotRules object to use. $ua->delay([$minutes]) Set the minimum delay between requests to the same server. The default is 1 minute. $ua->use_sleep([$boolean]) Get/set a value indicating whether the UA should sleep() if requests arrive too fast (before $ua->delay minutes has passed). The default is TRUE. If this value is FALSE then an internal SERVICE_UNAVAILABLE response will be generated. It will have an Retry-After header that indicates when it is OK to send another request to this server. $ua->rules([$rules]) Set/get which WWW::RobotRules object to use. $ua->no_visits($netloc) Returns the number of documents fetched from this server host. Yes I know, this method should probably have been named num_visits() or something like that. :-( $ua->host_wait($netloc) Returns the number of seconds (from now) you must wait before you can make a new request to this host. $ua->as_string Returns a string that describes the state of the UA. Mainly useful for debugging. SEE ALSO
LWP::UserAgent, WWW::RobotRules COPYRIGHT
Copyright 1996-2000 Gisle Aas. This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. libwww-perl-5.65 2001-04-27 LWP::RobotUA(3)

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