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Bibliographic Details
Main Author:	Rader, Hannelore B.
Format:	Recurso educativo Open Access
Language:	en
Published:	1977
Subjects:	College Instruction College Libraries Community Colleges Information Needs Library Instruction Two Year College Students Two Year Colleges
Online Access:	https://eric.ed.gov/?id=ED152331
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Table of Contents:

Instructing the Community College Library User: The Michigan Experience. Rader, Hannelore B. College Instruction College Libraries Community Colleges Information Needs Library Instruction Two Year College Students Two Year Colleges In addition to supporting instructional services, a major function of the community college library or learning resources center (LRC) is satisfying the widely differing information and communication needs of students enrolled in four basic types of programs: (1) preparatory courses for transfer to four-year institutions; (2) vocational-technical programs; (3) general education programs ending with an associate degree; and (4) continuing education programs. However, the LRC is often under-utilized. Since one of the major reasons for this is the students' lack of library skills, library instruction programs should be designed to meet real information needs of students in specific courses. Librarians are advised to plan programs based on need-related objectives, develop closer faculty cooperation, and investigate the possibilities of obtaining program grants. The appendix provides a directory to 32 community college libraries in Michigan and describes their 1977 library instruction activities, ranging from none to comprehensive programs. (BBM)

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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