E-Government, Government Documents, and School Libraries

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Velasquez, Diane L.
Format:	Recurso educativo Open Access
Language:	en
Published:	2010
Subjects:	Government Publications Electronic Publishing School Libraries Web Sites Federal Government
Online Access:	Acceder al recurso
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author	Velasquez, Diane L.
author_facet	Velasquez, Diane L. Velasquez, Diane L.
collection	Education Resources Information Center
contents	E-Government, Government Documents, and School Libraries Velasquez, Diane L. Government Publications Electronic Publishing School Libraries Web Sites Federal Government This chapter discusses the use of electronic government sources and documents for school media specialists, teachers, and children in K-12 education. Ninety-seven percent of all government information is online, resulting in rich and free source of authoritative material that can enrich the electronic sources of the school media center (GPO, 2002). The ability to easily add sources for curriculum support as well as to expand general source material is something no library should overlook. Annotated e-government sources are included in this chapter along with lists of children's and teachers' government web sites. [For the complete volume, "Educational Media and Technology Yearbook, Volume 35," see ED598751.]
format	Recurso educativo Open Access
id	eric_ED598836
institution	ERIC Institute of Education Sciences
language	en
publishDate	2010
record_format	eric
spellingShingle	E-Government, Government Documents, and School Libraries Velasquez, Diane L. Government Publications Electronic Publishing School Libraries Web Sites Federal Government E-Government, Government Documents, and School Libraries Velasquez, Diane L. Government Publications Electronic Publishing School Libraries Web Sites Federal Government This chapter discusses the use of electronic government sources and documents for school media specialists, teachers, and children in K-12 education. Ninety-seven percent of all government information is online, resulting in rich and free source of authoritative material that can enrich the electronic sources of the school media center (GPO, 2002). The ability to easily add sources for curriculum support as well as to expand general source material is something no library should overlook. Annotated e-government sources are included in this chapter along with lists of children's and teachers' government web sites. [For the complete volume, "Educational Media and Technology Yearbook, Volume 35," see ED598751.]
title	E-Government, Government Documents, and School Libraries
topic	Government Publications Electronic Publishing School Libraries Web Sites Federal Government
url	https://eric.ed.gov/?id=ED598836

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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