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Bibliographic Details
Main Authors:	Wood, R. Kent, Woolley, Robert D.
Format:	Recurso educativo Open Access
Language:	en
Published:	1980
Subjects:	Diagrams Diffusion Educational Technology Equipment Manufacturers Equipment Utilization Information Science Library Science Video Equipment Videodisc Recordings
Online Access:	https://eric.ed.gov/?id=ED206328
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Information Technology.
by: Marcum, Deanna, et al.
Published: (1981)

Micrographics, Reprography, and Graphic Communications in 1981.
by: Saffady, William, et al.
Published: (1982)

Developments in Micrographics, "Fair Use," and Video Technology, 1982.
by: Nadeski, Karen, et al.
Published: (1983)

Videodiscs: A Revolution That Isn't.
Published: (1982)

The Videodisc Revolution: What's Ahead for Libraries?
by: Sneed, Charles
Published: (1980)

The Videodisc as a Library Tool.
by: Sonnemann, Sabine S.
Published: (1983)

Micrographics, Reprography, and Graphic Communications in 1980.
by: Saffady, William, et al.
Published: (1981)

Vid/Tele-Reference: The New Frontier.
by: Gothberg, Helen M.
Published: (1982)

A SURVEY OF MICROFICHE READERS AND READER-PRINTERS CURRENTLY MANUFACTURED IN THE UNITED STATES.
by: TATE, VERNON D., et al.
Published: (1967)

Video Technology: Conveying Information Visually.
by: Bardes, D'Ellen
Published: (1985)

Photocopying Equipment.
Published: (1982)

Library Security Systems Come of Age.
by: Knight, Nancy H.
Published: (1978)

LJ's Annual Buyers' Guide 1982.
Published: (1982)

1970 Supplement to the Guide to Microreproduction Equipment.
by: Ballou, Hubbard W., Ed.
Published: (1970)

Things the Teacher of Your Media Utilization Course May Not Have Told You.
by: Ekhaml, Leticia
Published: (1995)

A DEMONSTRATION OF THE IMPACT OF CERTAIN INSTRUCTIONAL CHANGES ON THE ATTITUDES AND PRACTICES OF BOTH STUDENTS AND FACULTY. FINAL REPORT.
by: NORTH, R. STAFFORD
Published: (1967)

Dot Matrix Impact Printers: An Overview and Guide.
by: Warden, William H., et al.
Published: (1983)

[Problems Inherent in Attempting Standardization of Libraries.]
by: Port, Idelle
Published: (1975)

Authoring Systems: The Key to Widespread Use of Interactive Videodisc Technology.
by: Sinnett, Dennis, et al.
Published: (1984)

Control Equipment
Published: (1977)

Reducing Noise in a College Library.
by: Luyben, Paul D., et al.
Published: (1981)

Telecommunication Technologies, Networking and Libraries. Proceedings of a Conference on Telecommunication Technologies, Networking and Libraries. (Gaithersburg, MD, June 3, 1977).
by: Knight, Nancy H., Ed.
Published: (1981)

Set up and Operation of Video Cassette Recorders or "...How Do I Work This Thing???"
Published: (1985)

Portable Microfiche Readers.
by: Zybura, Edward L.
Published: (1980)

Wide Screen Television Projection Systems.
by: LeClercq, Angie
Published: (1983)

Monitoring Instruments
Published: (1977)

Peter Piper Picked a Porta-Pak
by: Simmons, Beatrice, et al.
Published: (1976)

Opening Up "Open Systems": Moving toward True Interoperability among Library Software. DataResearch Automation Guide Series, Number One.
Published: (1992)

Advances in Scientific Investigation and Automation.
by: Abt, Jeffrey, et al.
Published: (1987)

Idea Bank--A Library of IDEAS for Science Teachers
by: Talesnick, Irwin, Ed.
Published: (1974)

The Chair Tables the Motion: An American Libraries Report on Contemporary Furniture.
by: Brawner, Lee B., et al.
Published: (1988)

Standards for Speakers.
by: Storm, William D.
Published: (1981)

A Primer of Projectuals
by: Eisler, H. Michael
Published: (1974)

Equipment: Suppliers Adjusting to Hard Times
by: Surridge, Owen
Published: (1978)

Idea Bank--A Library of IDEAS for Science Teachers
by: Talesnick, Irwin, Ed.
Published: (1974)

The Audiovisual Supplier: Dealing with Dealers and Distributors
by: Hingers, Edward J.
Published: (1976)

Selecting Initial Media Equipment for New Facilities
by: Shaver, Johnny M.
Published: (1974)

Moveable Compact Shelving: The Current Answer.
by: Gorman, Michael
Published: (1987)

There's a Videodisc in Your Future
by: Rice, James Jr.
Published: (1978)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
ui	"standard"
language	"en"
VUFIND_SESSION	"fa738d6491802388f700b15c7bbcc471"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1784855465.29 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "fa738d6491802388f700b15c7bbcc471" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1583}
SessionHelper	Laminas\Stdlib\ArrayObject {#1773}

Server/Request Data

Key	Value
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REDIRECT_HTTPS	"on"
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REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"ui=standard; language=en; VUFIND_SESSION=fa738d6491802388f700b15c7bbcc471"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.217.169"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"15621"
REDIRECT_URL	"/Record/eric_ED206328/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED206328/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1784855465.2847
REQUEST_TIME	1784855465

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
ui	"standard"
language	"en"
VUFIND_SESSION	"fa738d6491802388f700b15c7bbcc471"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1784855465.29 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "fa738d6491802388f700b15c7bbcc471" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1583}
SessionHelper	Laminas\Stdlib\ArrayObject {#1773}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"ui=standard; language=en; VUFIND_SESSION=fa738d6491802388f700b15c7bbcc471"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.217.169"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"15621"
REDIRECT_URL	"/Record/eric_ED206328/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED206328/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1784855465.2847
REQUEST_TIME	1784855465

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

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