HTTP/2 302 server: nginx date: Thu, 07 Aug 2025 22:29:57 GMT content-type: text/plain; charset=utf-8 content-length: 0 x-archive-redirect-reason: found capture at 20101012100735 location: https://web.archive.org/web/20101012100735/https://answers.oreilly.com/rss/tags/QR/ server-timing: captures_list;dur=0.549140, exclusion.robots;dur=0.024117, exclusion.robots.policy;dur=0.014648, esindex;dur=0.010891, cdx.remote;dur=6.723009, LoadShardBlock;dur=297.890178, PetaboxLoader3.datanode;dur=58.800698, PetaboxLoader3.resolve;dur=181.560766 x-app-server: wwwb-app200 x-ts: 302 x-tr: 336 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=1 set-cookie: wb-p-SERVER=wwwb-app200; path=/ x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() HTTP/2 200 server: nginx date: Thu, 07 Aug 2025 22:29:58 GMT content-type: text/xml; charset=UTF-8 content-length: 2029 x-archive-orig-date: Tue, 12 Oct 2010 10:07:36 GMT x-archive-orig-server: Apache/2.2.11 (Unix) mod_ssl/2.2.11 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 PHP/5.2.8 x-archive-orig-x-powered-by: PHP/5.2.8 x-archive-orig-set-cookie: answers_session_id=deleted; expires=Mon, 12-Oct-2009 10:07:35 GMT; path=/; domain=.oreilly.com; httponly x-archive-orig-set-cookie: answers_session_id=deleted; expires=Mon, 12-Oct-2009 10:07:35 GMT; path=/; domain=.oreilly.com; httponly x-archive-orig-expires: Tue 12 Oct 2010 10:07:36 AM GMT GMT x-archive-orig-cache-control: must-revalidate, post-check=0, pre-check=0 x-archive-orig-pragma: public x-archive-orig-content-length: 2029 x-archive-orig-connection: close cache-control: max-age=1800 x-archive-guessed-content-type: text/xml x-archive-guessed-charset: utf-8 memento-datetime: Tue, 12 Oct 2010 10:07:35 GMT link: ; rel="original", ; rel="timemap"; type="application/link-format", ; rel="timegate", ; rel="first memento"; datetime="Tue, 12 Oct 2010 10:07:35 GMT", ; rel="memento"; datetime="Tue, 12 Oct 2010 10:07:35 GMT", ; rel="next memento"; datetime="Mon, 27 May 2013 04:19:46 GMT", ; rel="last memento"; datetime="Mon, 27 May 2013 04:19:46 GMT" content-security-policy: default-src 'self' 'unsafe-eval' 'unsafe-inline' data: blob: archive.org web.archive.org web-static.archive.org wayback-api.archive.org athena.archive.org analytics.archive.org pragma.archivelab.org wwwb-events.archive.org x-archive-src: 52_18_20101012083209_crawl100_IndexOnly-c/52_18_20101012100546_crawl100.arc.gz server-timing: captures_list;dur=1.146270, exclusion.robots;dur=0.047475, exclusion.robots.policy;dur=0.028918, esindex;dur=0.018648, cdx.remote;dur=28.781536, LoadShardBlock;dur=224.327162, PetaboxLoader3.datanode;dur=202.729143, PetaboxLoader3.resolve;dur=402.879922, load_resource;dur=486.861750 x-app-server: wwwb-app200 x-ts: 200 x-tr: 779 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=1 x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() accept-ranges: bytes https://answers.oreilly.com/tag/QR Wed, 07 Jul 2010 03:03:02 +0000 60 https://answers.oreilly.com/topic/1712-what-is-a-qr-code-and-why-you-should-use-them/ Wed, 07 Jul 2010 03:03:02 +0000 https://answers.oreilly.com/topic/1712-what-is-a-qr-code-and-why-you-should-use-them/ https://answers.oreilly.com/topic/1312-how-to-generate-a-qr-code-using-goo-gl/ Wed, 07 Apr 2010 23:12:16 +0000 https://answers.oreilly.com/topic/1312-how-to-generate-a-qr-code-using-goo-gl/ https://answers.oreilly.com/topic/1145-how-to-integrate-augmented-reality-tags-and-qr-codes-with-print-media/ Pablo Arrieta introduces his new book Leyendo Hipertextos: Una aventura desde los papiros hasta los pixeles, which has Augmented Reality tags for chapter headings, hidden chapters accessible via Q... Fri, 05 Mar 2010 20:01:41 +0000 https://answers.oreilly.com/topic/1145-how-to-integrate-augmented-reality-tags-and-qr-codes-with-print-media/