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Bibliographic Details
Format:	Recurso educativo Open Access
Language:	en
Published:	1992
Subjects:	Computer Networks Computer Software Equipment Manufacturers Equipment Standards Information Networks Library Networks Library Planning
Online Access:	https://eric.ed.gov/?id=ED351017
Tags:	Add Tag No Tags, Be the first to tag this record!

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

Laser Disks at the Library Door: The Microsoft First International Conference on CD-ROM.
by: Miller, David C.
Published: (1986)

Uncovering the 'Spy' Network: Is Spyware Watching Your Library Computers?
by: Ferrer, Daniel Fidel, et al.
Published: (2003)

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

Resource Sharing of Micro-Software, or, What Ever Happened to All That CP/M Compatibility?
by: DeYoung, Barbara
Published: (1984)

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

Libraries and Industry; Background Study for Use by the National Advisory Commission on Libraries.
by: North, J., et al.
Published: (1967)

Standards for Library Automation and ISAD's Committee on Technical Standards for Library Automation (TESLA)
Published: (1974)

How Much Security Does Your Library Need?
by: Banerjee, Kyle
Published: (2003)

An Overview of Videodisc Technology and Some Potential Applications in the Library, Information, and Instructional Sciences.
by: Wood, R. Kent, et al.
Published: (1980)

Toward Some Standards for the Library Card Catalog Tray
by: Boudreau, Allan, et al.
Published: (1972)

Planning Academic and Research Library Buildings.
by: Metcalf, Keyes D.
Published: (1965)

Computer and Network Security in Small Libraries: A Guide for Planning.
by: Williams, Robert L.
Published: (2001)

Software for Microcomputers in Libraries and Information Units.
by: Tedd, Lucy A.
Published: (1983)

Videotex: Options for Libraries. Report Number Five of the Electronic Text Report Series.
by: Appleman, Merrie
Published: (1984)

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)

Microcomputers for Libraries: Features, Descriptions, Evaluations.
by: Warden, William H., et al.
Published: (1983)

A European View of Micros for Information Management.
by: Noerr, Peter L., et al.
Published: (1984)

Microcomputer-Based Library Catalog Software.
by: Lundeen, Gerald, et al.
Published: (1984)

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

Library Environmental Design: Physical Facilities and Equipment.
by: Evans, G. Edward, et al.
Published: (1971)

Maintenance of Automated Library Systems.
by: Epstein, Susan Baerg
Published: (1983)

Photocopying Equipment.
Published: (1982)

Automated Circulation Systems in Public Libraries.
by: Simpson, George A.
Published: (1978)

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

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

Y2K for Librarians: Exactly What You Need To Do.
by: Doering, William
Published: (1999)

Collection Development Statement.
Published: (1982)

Control Equipment
Published: (1977)

Dishing It Out: Satellite Services in Public Libraries.
by: Amdursky, Saul J.
Published: (1985)

How to Set Up a Telefacsimile Network--The Pennsylvania Libraries' Experience and Is There a FAX in Your Future?
by: Wilson, Mark, et al.
Published: (1988)

A Statistical Profile of Micro-Based Software.
by: Chen, Ching-chih, et al.
Published: (1984)

How to Buy School Seating.
by: Summerville, D.G.
Published: (1966)

Research Report on an Overview of a Proposed Monitoring Facility for the Large-Scale, Network-Based OCLC On-Line System.
by: Dominick, Wayne D., et al.
Published: (1980)

The Electronic Librarian
by: Nunes, John L.
Published: (1972)

Purchasing Telefax Equipment: How to Begin.
by: Piper, Michael
Published: (1988)

Local Area Networking for the Small Library. A How-To-Do-It Manual. How To Do It Manuals for Librarians, Number 67. Second Edition.
by: Howden, Norman
Published: (1997)

Managing Mission-Critical Infrastructure
by: Breeding, Marshall
Published: (2012)

Migration, a Moving Experience.
by: Simpson, Carol
Published: (1999)

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
VUFIND_SESSION	"fc42717b8032321ca4caf89989227809"
ui	"standard"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1784864859.7535 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "fc42717b8032321ca4caf89989227809" ]`]
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	"VUFIND_SESSION=fc42717b8032321ca4caf89989227809; ui=standard; language=en"
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	"16342"
REDIRECT_URL	"/Record/eric_ED351017/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED351017/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1784864859.749
REQUEST_TIME	1784864859

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
VUFIND_SESSION	"fc42717b8032321ca4caf89989227809"
ui	"standard"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1784864859.7535 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "fc42717b8032321ca4caf89989227809" ]`]
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	"VUFIND_SESSION=fc42717b8032321ca4caf89989227809; ui=standard; language=en"
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	"16342"
REDIRECT_URL	"/Record/eric_ED351017/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED351017/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1784864859.749
REQUEST_TIME	1784864859

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

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