Sixth IASLIC Seminar Papers. Part I: Reference Service-in-Action. Part II: Processing & Servicing of Special Materials in Libraries.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Format:	Recurso educativo Open Access
Language:	en
Published:	1970
Subjects:	Audiovisual Aids Classification Indexing Information Processing Information Retrieval Information Storage Librarians Library Materials Library Services Library Technical Processes Periodicals Reference Services Standards
Online Access:	Acceder al recurso
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_version_	1867180839197999104
collection	Education Resources Information Center
contents	Sixth IASLIC Seminar Papers. Part I: Reference Service-in-Action. Part II: Processing & Servicing of Special Materials in Libraries. Audiovisual Aids Classification Indexing Information Processing Information Retrieval Information Storage Librarians Library Materials Library Services Library Technical Processes Periodicals Reference Services Standards Part I contains 22 papers covering all aspects of the library reference services including sources of reference materials, an evaluation of reference sources, building a reference collection, training a reference librarian, and the needs of the industrial and medical communities for reference services. All the papers are slanted toward the special needs in India. The 20 papers in Part II contain information about the processing of special library materials such as theses and dissertations, research reports, patents, off-prints, audiovisual materials, trade literature and periodicals. (NH)
format	Recurso educativo Open Access
id	eric_ED047750
institution	ERIC Institute of Education Sciences
language	en
publishDate	1970
record_format	eric
spellingShingle	Sixth IASLIC Seminar Papers. Part I: Reference Service-in-Action. Part II: Processing & Servicing of Special Materials in Libraries. Audiovisual Aids Classification Indexing Information Processing Information Retrieval Information Storage Librarians Library Materials Library Services Library Technical Processes Periodicals Reference Services Standards Sixth IASLIC Seminar Papers. Part I: Reference Service-in-Action. Part II: Processing & Servicing of Special Materials in Libraries. Audiovisual Aids Classification Indexing Information Processing Information Retrieval Information Storage Librarians Library Materials Library Services Library Technical Processes Periodicals Reference Services Standards Part I contains 22 papers covering all aspects of the library reference services including sources of reference materials, an evaluation of reference sources, building a reference collection, training a reference librarian, and the needs of the industrial and medical communities for reference services. All the papers are slanted toward the special needs in India. The 20 papers in Part II contain information about the processing of special library materials such as theses and dissertations, research reports, patents, off-prints, audiovisual materials, trade literature and periodicals. (NH)
title	Sixth IASLIC Seminar Papers. Part I: Reference Service-in-Action. Part II: Processing & Servicing of Special Materials in Libraries.
topic	Audiovisual Aids Classification Indexing Information Processing Information Retrieval Information Storage Librarians Library Materials Library Services Library Technical Processes Periodicals Reference Services Standards
url	https://eric.ed.gov/?id=ED047750

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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