"Information Power": A Transforming Document and the Statistics That Make It Necessary.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Weathers, Barbara
Format:	Recurso educativo Open Access
Language:	en
Published:	1990
Subjects:	Access to Information Catholic Schools Cultural Differences Elementary Secondary Education Flexible Scheduling Guidelines Learning Resources Centers Library Automation Library Networks Library Services Library Standards School Libraries Shared Library Resources Social Change Technological Advancement
Online Access:	Acceder al recurso
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author	Weathers, Barbara
author_facet	Weathers, Barbara Weathers, Barbara
collection	Education Resources Information Center
contents	"Information Power": A Transforming Document and the Statistics That Make It Necessary. Weathers, Barbara Access to Information Catholic Schools Cultural Differences Elementary Secondary Education Flexible Scheduling Guidelines Learning Resources Centers Library Automation Library Networks Library Services Library Standards School Libraries Shared Library Resources Social Change Technological Advancement Discusses "Information Power" and its effects on school libraries. Topics discussed include social changes and cultural diversity; technological changes; networking and resource sharing; the access, evaluation, and use of information; partnerships between librarians, principals, and teachers; flexible scheduling; and statistics for Catholic school libraries. (eight references) (LRW)
format	Recurso educativo Open Access
id	eric_EJ433262
institution	ERIC Institute of Education Sciences
language	en
publishDate	1990
record_format	eric
spellingShingle	"Information Power": A Transforming Document and the Statistics That Make It Necessary. Weathers, Barbara Access to Information Catholic Schools Cultural Differences Elementary Secondary Education Flexible Scheduling Guidelines Learning Resources Centers Library Automation Library Networks Library Services Library Standards School Libraries Shared Library Resources Social Change Technological Advancement "Information Power": A Transforming Document and the Statistics That Make It Necessary. Weathers, Barbara Access to Information Catholic Schools Cultural Differences Elementary Secondary Education Flexible Scheduling Guidelines Learning Resources Centers Library Automation Library Networks Library Services Library Standards School Libraries Shared Library Resources Social Change Technological Advancement Discusses "Information Power" and its effects on school libraries. Topics discussed include social changes and cultural diversity; technological changes; networking and resource sharing; the access, evaluation, and use of information; partnerships between librarians, principals, and teachers; flexible scheduling; and statistics for Catholic school libraries. (eight references) (LRW)
title	"Information Power": A Transforming Document and the Statistics That Make It Necessary.
topic	Access to Information Catholic Schools Cultural Differences Elementary Secondary Education Flexible Scheduling Guidelines Learning Resources Centers Library Automation Library Networks Library Services Library Standards School Libraries Shared Library Resources Social Change Technological Advancement
url	https://eric.ed.gov/?id=EJ433262

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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