A Mini-Guide to ERIC.

Fuente: ERIC Institute of Education Sciences

Saved in:

Bibliographic Details
Main Author:	Simmons, Robert M.
Format:	Recurso educativo Open Access
Language:	en
Published:	1974
Subjects:	Databases Education Guides Information Systems Library Guides Library Instruction Microfiche Microform Readers
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

A Library User's Guide to ERIC.
by: Simmons, Robert M.
Published: (1975)

Buyer's Guide to Microfilm Equipment, Products and Services.
Published: (1973)

The Fifty Dollar Reading Machine and Other Micromarvels
by: Spaulding, Carl
Published: (1976)

A Library User's Guide to ERIC. Revised Edition.
by: Simmons, Robert M.
Published: (1978)

Small Office Microfilm (SOM) Products: A Survey for Libraries
by: Saffady, William
Published: (1976)

Microforms; Catalog of Publications 1972-1973.
Published: (1972)

A Library User's Guide to ERIC. 1980 Edition.
by: Simmons, Robert M.
Published: (1980)

High-Reduction Microfiche for Libraries: An Evaluation of Collections from the National Cash Register Company and Library Resources, Inc.
by: Evans, Charles W.
Published: (1972)

Program Guide: Microforms in the VA Library System.
Published: (1972)

Micrographic Systems.
by: Costigan, Daniel M.
Published: (1975)

Micro Media in the Library: A Once Over Lightly
by: Rochlin, Phillip
Published: (1973)

A Guide to Research Collections in Microform in the University of Toronto Library. Reference Series No. 19.
by: Wagle, Iqbal, Comp.
Published: (1974)

Library of American Civilization Demonstration. Final Report.
by: Napier, Paul A., et al.
Published: (1973)

Meeting Library Space Needs.
by: Youngren, Ralph P.
Published: (1976)

Microform Readers--The Librarians Dilemma.
by: Tate, George F.
Published: (1972)

Guidelines for the Handling of Microforms in the Yale University Library (Parts I and II).
by: Walker, Gay, et al.
Published: (1980)

Guidelines for the Handling of Microforms in the Yale University Library (Parts III and IV).
by: Walker, Gay, et al.
Published: (1980)

The Use of a Microfiche Catalog for Public Service and On-Line Retrieval of Bibliographic Data.
by: Griffith, C. C., et al.
Published: (1976)

Library Circulation of ERIC Microfiche Documents and Portable Viewers.
by: Jamison, Martin
Published: (1989)

Cutting Documents Down to Size
by: Spang, Lothar
Published: (1977)

The Invisible Medium: The State of the Art of Microform and a Guide to the Literature.
by: Spigai, Frances G.
Published: (1973)

Microforms, Microform Equipment and Microform Use in the Educational Environment
by: Veit, Fritz
Published: (1971)

Color Microfiche as a Replacement for Slides.
by: Schwarz, Philip
Published: (1976)

Guide to Microforms in Print: 1971.
by: Diaz, A. J., Ed.
Published: (1971)

Microform Applications Within the City of London Polytechnic.
by: Pritchard, Alan
Published: (1973)

Procédure pour l'utilisation du lecteur Microfilm Scanner 300
by: Boutet, Laurence
Published: (2025)

Microfiche Readers: A Purchase and Allocation Formula.
by: Clark, Susan M.
Published: (1984)

Microform Centralization Project: A Survey of Current Practice and Possible Application in Bizzell Library.
by: Guilfoyle, Marvin C.
Published: (1976)

Determination of the Environmental Conditions Required in a Library for the Effective Utilization of Microforms. Interim Report.
by: Holmes, Donald C.
Published: (1970)

Microfilm: The Librarians' View, 1976-77.
by: Dranov, Paula
Published: (1976)

An Investigation of the Environment for Educational Microform Utilization. Phase I, "Student Use of Classroom Microform in Support of a Survey Course." Final Phase Report.
by: Grausnick, Robert, et al.
Published: (1971)

An Investigation of the Environment for Educational Microform Utilization. Phase II. "Student Use of Classroom Microform in Support of a Content Course." Final Phase Report.
by: Kottenstette, James P., et al.
Published: (1971)

Microform Systems. A Handbook for Educators.
by: Lee, Thomas Graham
Published: (1970)

Microreadings; Easing Obstacles to Library Distribution of Information.
by: West, Martha W., et al.
Published: (1974)

Transforming the Libraries: From Paper to Microfiche
by: Starr, Paul
Published: (1974)

A Study of Microfiche as an Alternative to the Reserve Room Function.
by: Ficke, Eleanore R.
Published: (1974)

Library Studies I Workbook.
by: Frost, William J.
Published: (1987)

Bibliographic Access to Curriculum Guides.
by: Beck, Sara Ramser
Published: (1980)

University of New Mexico General Libraries Guide to the Microform Collections.
by: Lewis, Linda K.
Published: (1978)

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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