OERI Directory of Computer Data Files.

Fuente: ERIC Institute of Education Sciences

Saved in:

Bibliographic Details
Main Author:	Smallwood, Imelda H., Comp.
Format:	Recurso educativo Open Access
Language:	en
Published:	1990
Subjects:	Adult Education Computer Storage Devices Elementary Secondary Education Library Surveys Longitudinal Studies National Surveys Postsecondary Education Public Libraries School Surveys Statistical Data Vocational Education
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

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author	Smallwood, Imelda H., Comp.
author_facet	Smallwood, Imelda H., Comp. Smallwood, Imelda H., Comp.
collection	Education Resources Information Center
contents	OERI Directory of Computer Data Files. Smallwood, Imelda H., Comp. Adult Education Computer Storage Devices Elementary Secondary Education Library Surveys Longitudinal Studies National Surveys Postsecondary Education Public Libraries School Surveys Statistical Data Vocational Education This document provides brief nontechnical descriptions of the major computerized data tape files from the library of survey data which the National Center for Education Statistics of the U.S. Department of Education Office of Educational Research and Improvement has been collecting for over 20 years. A total of 74 tapes are listed in the following categories: Elementary Secondary Education; Postsecondary Education; Vocational and Adult Education; Libraries; and Longitudinal Studies. Ordering and price information is included. (MES)
format	Recurso educativo Open Access
id	eric_ED321772
institution	ERIC Institute of Education Sciences
language	en
publishDate	1990
record_format	eric
spellingShingle	OERI Directory of Computer Data Files. Smallwood, Imelda H., Comp. Adult Education Computer Storage Devices Elementary Secondary Education Library Surveys Longitudinal Studies National Surveys Postsecondary Education Public Libraries School Surveys Statistical Data Vocational Education OERI Directory of Computer Data Files. Smallwood, Imelda H., Comp. Adult Education Computer Storage Devices Elementary Secondary Education Library Surveys Longitudinal Studies National Surveys Postsecondary Education Public Libraries School Surveys Statistical Data Vocational Education This document provides brief nontechnical descriptions of the major computerized data tape files from the library of survey data which the National Center for Education Statistics of the U.S. Department of Education Office of Educational Research and Improvement has been collecting for over 20 years. A total of 74 tapes are listed in the following categories: Elementary Secondary Education; Postsecondary Education; Vocational and Adult Education; Libraries; and Longitudinal Studies. Ordering and price information is included. (MES)
title	OERI Directory of Computer Data Files.
topic	Adult Education Computer Storage Devices Elementary Secondary Education Library Surveys Longitudinal Studies National Surveys Postsecondary Education Public Libraries School Surveys Statistical Data Vocational Education
url	https://eric.ed.gov/?id=ED321772

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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VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
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HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
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REQUEST_METHOD	"GET"
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