It Takes a Library To Support Distance Learners.

Fuente: ERIC Institute of Education Sciences

Enregistré dans:

Détails bibliographiques
Auteurs principaux:	Buehler, Marianne, Dopp, Elizabeth, Hughes, Kerry A., Thompson, Jen
Format:	Recurso educativo Open Access
Langue:	en
Publié:	2001
Sujets:	Academic Libraries Computer Assisted Instruction Copyrights Courseware Databases Distance Education Evaluation Methods Guides Higher Education Interlibrary Loans Library Instruction Library Materials Library Role Library Services Plagiarism Programmed Tutoring Reference Materials Student Surveys
Accès en ligne:	Acceder al recurso
Tags:	Ajouter un tag Pas de tags, Soyez le premier à ajouter un tag!

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author	Buehler, Marianne Dopp, Elizabeth Hughes, Kerry A. Thompson, Jen
author_facet	Buehler, Marianne Dopp, Elizabeth Hughes, Kerry A. Thompson, Jen Buehler, Marianne Dopp, Elizabeth Hughes, Kerry A. Thompson, Jen
collection	Education Resources Information Center
contents	It Takes a Library To Support Distance Learners. Buehler, Marianne Dopp, Elizabeth Hughes, Kerry A. Thompson, Jen Academic Libraries Computer Assisted Instruction Copyrights Courseware Databases Distance Education Evaluation Methods Guides Higher Education Interlibrary Loans Library Instruction Library Materials Library Role Library Services Plagiarism Programmed Tutoring Reference Materials Student Surveys Describes library services available to distance learners at the Rochester Institute of Technology's library. Highlights include courseware products; subject specialists; electronic course reserves; interlibrary loan; research databases; online library instruction, including online guides, streamed instruction, and computer based training for online tutorials; copyright and plagiarism issues; and assessment by electronic surveys. (LRW)
format	Recurso educativo Open Access
id	eric_EJ635411
institution	ERIC Institute of Education Sciences
language	en
publishDate	2001
record_format	eric
spellingShingle	It Takes a Library To Support Distance Learners. Buehler, Marianne Dopp, Elizabeth Hughes, Kerry A. Thompson, Jen Academic Libraries Computer Assisted Instruction Copyrights Courseware Databases Distance Education Evaluation Methods Guides Higher Education Interlibrary Loans Library Instruction Library Materials Library Role Library Services Plagiarism Programmed Tutoring Reference Materials Student Surveys It Takes a Library To Support Distance Learners. Buehler, Marianne Dopp, Elizabeth Hughes, Kerry A. Thompson, Jen Academic Libraries Computer Assisted Instruction Copyrights Courseware Databases Distance Education Evaluation Methods Guides Higher Education Interlibrary Loans Library Instruction Library Materials Library Role Library Services Plagiarism Programmed Tutoring Reference Materials Student Surveys Describes library services available to distance learners at the Rochester Institute of Technology's library. Highlights include courseware products; subject specialists; electronic course reserves; interlibrary loan; research databases; online library instruction, including online guides, streamed instruction, and computer based training for online tutorials; copyright and plagiarism issues; and assessment by electronic surveys. (LRW)
title	It Takes a Library To Support Distance Learners.
topic	Academic Libraries Computer Assisted Instruction Copyrights Courseware Databases Distance Education Evaluation Methods Guides Higher Education Interlibrary Loans Library Instruction Library Materials Library Role Library Services Plagiarism Programmed Tutoring Reference Materials Student Surveys
url	https://eric.ed.gov/?id=EJ635411

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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