Networked Resources: The Internet.

Fuente: ERIC Institute of Education Sciences

Saved in:

Bibliographic Details
Main Author:	Nickerson, Gord
Format:	Recurso educativo Open Access
Language:	en
Published:	1991
Subjects:	Cataloging Futures (of Society) Government Publications Interlibrary Loans Internet Library Automation Library Instruction Library Services Problems Reference Services Serials Teleconferencing Users (Information)
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

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author	Nickerson, Gord
author_facet	Nickerson, Gord Nickerson, Gord
collection	Education Resources Information Center
contents	Networked Resources: The Internet. Nickerson, Gord Cataloging Futures (of Society) Government Publications Interlibrary Loans Internet Library Automation Library Instruction Library Services Problems Reference Services Serials Teleconferencing Users (Information) This new column describes Internet and provides a guide to its resources for new users. The hierarchical organization of Internet is explained; library applications including cataloging, bibliographic instruction, government documents, interlibrary loan, reference, and serials are described; access to Internet is explained; common problems are explored; and topics of future columns are announced. (six references) (LRW)
format	Recurso educativo Open Access
id	eric_EJ434705
institution	ERIC Institute of Education Sciences
language	en
publishDate	1991
record_format	eric
spellingShingle	Networked Resources: The Internet. Nickerson, Gord Cataloging Futures (of Society) Government Publications Interlibrary Loans Internet Library Automation Library Instruction Library Services Problems Reference Services Serials Teleconferencing Users (Information) Networked Resources: The Internet. Nickerson, Gord Cataloging Futures (of Society) Government Publications Interlibrary Loans Internet Library Automation Library Instruction Library Services Problems Reference Services Serials Teleconferencing Users (Information) This new column describes Internet and provides a guide to its resources for new users. The hierarchical organization of Internet is explained; library applications including cataloging, bibliographic instruction, government documents, interlibrary loan, reference, and serials are described; access to Internet is explained; common problems are explored; and topics of future columns are announced. (six references) (LRW)
title	Networked Resources: The Internet.
topic	Cataloging Futures (of Society) Government Publications Interlibrary Loans Internet Library Automation Library Instruction Library Services Problems Reference Services Serials Teleconferencing Users (Information)
url	https://eric.ed.gov/?id=EJ434705

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'

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Environment & details:

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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=ace90ee26ee075b300518ae8b23057dc"
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"
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REMOTE_ADDR	"216.73.216.170"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
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SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"22549"
REDIRECT_URL	"/Record/eric_EJ434705/Details"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_EJ434705/Details"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789086023.2744
REQUEST_TIME	1789086023

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

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