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Bibliographic Details
Format:	Recurso educativo Open Access
Language:	en
Published:	1991
Subjects:	Computers Database Design Databases Dropout Prevention Dropout Research Elementary Secondary Education Online Searching Reference Services Search Strategies
Online Access:	https://eric.ed.gov/?id=ED347268
Tags:	Add Tag No Tags, Be the first to tag this record!

Dropout Prevention & Attrition Rates. IDRA Focus.
Published: (1994)

Characteristics of At-Risk Youth and the Library's Role in Dropout Prevention.
by: Coleman, J. Gordon, Jr.
Published: (1990)

Oversight Hearing on Successful Education Programs Relating to Illiteracy, Bilingual Education and Dropout Prevention. Hearing before the Subcommittee on Elementary, Secondary, and Vocational Education of the Committee on Education and Labor, House of Representatives, Ninety-Ninth Congress, First Session (Los Angeles, CA, November 25, 1985).
Published: (1986)

Hidden Youth: Dropouts from Special Education. Exceptional Children at Risk: CEC Mini-Library.
by: MacMillan, Donald L.
Published: (1991)

Curriculum Model for Preventing Dropouts, Grades 9-12.
Published: (1972)

The Numbers Are Astounding: The Role of the Media Specialist in Dropout Prevention
by: Jones, Jami Biles
Published: (2006)

Online Database Use in Psychology: A Survey of Academic Libraries.
by: Perdue, Bob, et al.
Published: (1990)

ERIC: Online, Offline & Without Line. A Summary and a Report on the Staff Interaction Seminar [at the Institute of Education Library] (Singapore, January 18, 1986).
by: Ho, Soo Miang
Published: (1986)

Guidelines for Integrating Online Database Information into Bibliographic Instruction.
by: Lincove, David, et al.
Published: (1988)

Chapter 2 Formula. 1992-93 Final Report.
by: Marable, Paula, et al.
Published: (1993)

The RLIN Database: Current Status, Work in Progress, Future Developments.
by: Bales, Kathleen, et al.
Published: (1988)

Identification of Problems in Search Strategies in Cochrane Reviews
by: Franco, Juan Víctor Ariel, et al.
Published: (2018)

A Practitioner's Guide to Student Retention: A College-Wide Responsibility.
by: Farmer, John E.
Published: (1980)

Madonna, Brahms, and President Clinton: Reference Use of the OCLC Authority File.
by: Olszewski, Lawrence J.
Published: (1994)

The Utlas Database: Design, Content and Services.
by: Jones, Sydney, et al.
Published: (1988)

Searching for Current Information Online. . . How High School Library Media Centers in Montgomery County, Maryland, Are Solving an Information Problem by Using DIALOG.
by: Pruitt, Ellen, et al.
Published: (1985)

Medline and Index Medicus for the Health Science Librarian.
by: Homan, J. Michael, et al.
Published: (1985)

dBASE Tip--Matching Downloaded Citations to Local Journal Holdings.
by: Mahoney, Dan
Published: (1991)

The Research Potential of the Electronic OED Database at the University of Waterloo: A Case Study.
by: Berg, Donna Lee
Published: (1991)

Reach for Reference. Science Online
by: Safford, Barbara Ripp
Published: (2004)

A Database Selection Expert System Based on Reference Librarian's Database Selection Strategy: A Usability and Empirical Evaluation.
by: Ma, Wei
Published: (2002)

Spying on Search Strategies
by: Tenopir, Carol
Published: (2004)

Access to Current Information Online.
by: White, Marilyn Domas
Published: (1989)

Nonreturning Students. Project Follow-Up Report No. 5. Research Report 3.
by: Montemayor, J. Joaquin, et al.
Published: (1985)

Children's Use of an Interactive Science Library: Exploratory Research.
by: Borgman, Christine L., et al.
Published: (1990)

Reference Resources on the Web.
by: Sherman, Chris
Published: (2000)

End-User Searching in a Large Library Network: A Case Study of Patent Attorneys.
by: Vollaro, Alice J., et al.
Published: (1986)

Online Retrieval: A Dialogue of Theory and Practice. Database Searching Series.
by: Walker, Geraldene, et al.
Published: (1993)

ERIC-IRCD Resources on the School Dropout. ERIC-IRCD Urban Disadvantaged Series. Number 14.
by: Jablonsky, Adelaide
Published: (1970)

Online Searching in Schools.
by: Tenopir, Carol
Published: (1986)

Use of InfoTrac in a University Library.
by: Beltran, Ann Bristow
Published: (1986)

ERIC [Instructional Guide for Use of the Dialog OnDisc Version of ERIC on CD-ROM].
by: Lynn, Patricia D.
Published: (1988)

The Myth of the Expert Searcher.
by: Anderson, Charles
Published: (1986)

Chapter 1 ECIA Migrant Education Evaluation Report. Fiscal Year 1983.
by: Reeves, Carolyn M., et al.
Published: (1983)

End-User Database Aides: How to Create Guides That Get Used.
by: Worrell, Diane
Published: (1993)

The Optimization of Online Searches through the Labelling of a Dynamic, Situation-Dependent Information Need: The Reference Interview and Online Searching for Undergraduates Doing a Social-Science Assignment.
by: Cole, Charles, et al.
Published: (1996)

STRATEGIES FOR REDUCING MALE DROPOUT IN SECONDARY SCHOOLS IN ENUGU STATE
by: Asogwa, Solomon Chinago (Ph.D), et al.
Published: (2025)

WILSONLINE: Online Power for Every Library.
by: O'Leary, Mick
Published: (1986)

Zero Result Searches. . . How to Minimize Them.
by: Atkinson, Steve
Published: (1986)

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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