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Bibliographic Details
Format:	Recurso educativo Open Access
Language:	en
Published:	1973
Subjects:	Cable Television Community Education Educational Innovation Educational Media Educational Policy Educational Technology Educational Television Extension Education Guides Library Services Programing (Broadcast) Technological Advancement
Online Access:	https://eric.ed.gov/?id=ED077197
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Cable Television: A Challenge for Educators.
by: Selinger, Kenneth R.
Published: (1979)

Television and the Public Library: A Study of the State of the Art as Revealed by Library Literature.
by: Stevenson, Mona L. D.
Published: (1975)

The Wired Public Library; Who Needs It? What Will It Cost? Who Will Pay For It?
Published: (1973)

Video and Cable Communications; Guidelines for Librarians.
by: Kenney, Brigitte L., et al.
Published: (1975)

Possible Uses of CATV at the University of Illinois, Urbana-Champaign in the Period 1973-1980.
by: Mullally, Donald P.
Published: (1973)

Video and Cable: Emerging Forms of Library Service.
by: Genova, B. K. L.
Published: (1979)

The Problems and Successes of Instructional Television in Elementary and Secondary Schools in New York State 1966-68.
by: Knirk, Frederick G.
Published: (1969)

The Telecommunications Revolution and Its Impact on Education.
by: Willis, Bernice H., Ed.
Published: (1981)

Mobile and the Cable
by: Sager, Donald J.
Published: (1973)

Marion in the Satellite Age.
by: Diebler, Mary
Published: (1984)

The Development of Electronic Distance Education Delivery Systems in the United States. Recurring and Emerging Themes in History and Philosophy of Education.
by: Buckland, Michael, et al.
Published: (1991)

PROGRAM PLANNING GUIDE FOR INSTRUCTIONAL TELEVISION.
Published: (1961)

The Impact of Television on Public Environmental Knowledge Concerning the Great Lakes.
by: Brothers, Christine C.
Published: (1990)

Increasing Educational Efficiency Through Technology (Commission Discussion and Background Materials).
Published: (1981)

Using Satellite Technology to Increase Professional Communications Among Teachers: a Report of Experiments Conducted by the National Education Association.
Published: (1975)

Direct Broadcast Satellites: An Interview with Hartford Gunn.
Published: (1984)

One Week of Educational Television. Number Three. April 19-25, 1964.
Published: (1964)

Distance Education: The Virtual Classroom Updated.
by: Barron, Daniel D.
Published: (1994)

The Community College of Maine Annual Report, Year Two, 1990-1991.
Published: (1991)

A Community Video Center for Memphis.
by: Wallis, C. Lamar
Published: (1974)

Exceptional Cable Television.
by: Hunt, Edmund B., et al.
Published: (1987)

Educational Television. The Library of Education.
by: Gordon, George N.
Published: (1968)

Technology as a Factor in Library Development and Educational Change.
by: Katz, Ruth M.
Published: (1981)

The College Facilities Thing. Impressions of an Airborne Seminar and a Guide for Junior College Planners.
by: Reed, Bob H., et al.
Published: (1968)

Video and Computer Technologies for Extended-Campus Programming.
by: Sagan, Edgar L., et al.
Published: (1995)

Telelibrary.
by: Hurley, Michael F.
Published: (1980)

Hands-On Workshop Presented at the Educational Media and Technology Conference, University of Wisconsin-Stout, Menomonie, Wisconsin 54751, July 21-23, 1975.
by: Tiffany, Connie J.
Published: (1975)

Library Clout in Local Cable.
by: Smith, Don R.
Published: (1981)

Instructional Television in California. A Status Report.
by: Noel, Elizabeth S., et al.
Published: (1968)

ITV: Helping Teachers Teach and Students Learn. Staff Development Resources, 1988-89.
Published: (1988)

NORTHEAST REGIONAL INSTRUCTIONAL TELEVISION LIBRARY PROJECT.
by: BIGGY, VIRGINIA
Published: (1963)

Application of Interactive Educational Technology for Learning Experiences.
by: Zukowski, Angela Ann
Published: (1988)

Factsheets Describing National Membership and Service Organizations Concerned with Educational Communications.
Published: (1972)

Emory Medical TV Network Offers Continuing Education to Medical Professionals.
Published: (1983)

Cable TV: Guide to Public Access.
by: Bender, Eileen T., Ed., et al.
Published: (1979)

C-SPAN Networks: Professors' Guide.
Published: (1993)

Will Information Technologies Help Learning: An Analysis of Some Policy Issues.
by: Oettinger, Anthony G., et al.
Published: (1971)

The Program Year in Review; Annual Report 1974-75. Volume 2.
Published: (1975)

The Sky's the Limit: A Technology Primer.
by: Wilson, Savan
Published: (1987)

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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