A Virtual "Hello": A Web-Based Orientation to the Library.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Borah, Eloisa Gomez
Format:	Recurso educativo Open Access
Language:	en
Published:	1997
Subjects:	Academic Libraries Business Administration Education Databases Graduate Study Higher Education Information Sources Internet Library Instruction Library Services Research Methodology Search Strategies Virtual Reality World Wide Web
Online Access:	Acceder al recurso
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author	Borah, Eloisa Gomez
author_facet	Borah, Eloisa Gomez Borah, Eloisa Gomez
collection	Education Resources Information Center
contents	A Virtual "Hello": A Web-Based Orientation to the Library. Borah, Eloisa Gomez Academic Libraries Business Administration Education Databases Graduate Study Higher Education Information Sources Internet Library Instruction Library Services Research Methodology Search Strategies Virtual Reality World Wide Web Describes the development of Web-based library services and resources available at the Rosenfeld Library of the Anderson Graduate School of Management at University of California at Los Angeles. Highlights include library orientation sessions; virtual tours of the library; a database of basic business sources; and research strategies, including help with Internet searches. (LRW)
format	Recurso educativo Open Access
id	eric_EJ563007
institution	ERIC Institute of Education Sciences
language	en
publishDate	1997
record_format	eric
spellingShingle	A Virtual "Hello": A Web-Based Orientation to the Library. Borah, Eloisa Gomez Academic Libraries Business Administration Education Databases Graduate Study Higher Education Information Sources Internet Library Instruction Library Services Research Methodology Search Strategies Virtual Reality World Wide Web A Virtual "Hello": A Web-Based Orientation to the Library. Borah, Eloisa Gomez Academic Libraries Business Administration Education Databases Graduate Study Higher Education Information Sources Internet Library Instruction Library Services Research Methodology Search Strategies Virtual Reality World Wide Web Describes the development of Web-based library services and resources available at the Rosenfeld Library of the Anderson Graduate School of Management at University of California at Los Angeles. Highlights include library orientation sessions; virtual tours of the library; a database of basic business sources; and research strategies, including help with Internet searches. (LRW)
title	A Virtual "Hello": A Web-Based Orientation to the Library.
topic	Academic Libraries Business Administration Education Databases Graduate Study Higher Education Information Sources Internet Library Instruction Library Services Research Methodology Search Strategies Virtual Reality World Wide Web
url	https://eric.ed.gov/?id=EJ563007

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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