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Bibliographic Details
Main Author:	Liuris Rodríguez Castilla
Format:	Artículo científico
Language:	es
Published:	University of Pittsburgh 2013
Subjects:	Ciencias de la Información Cuba Evaluación Posgraduación Alfabetización informacional Universidad de las Ciencias Informáticas
Online Access:	https://www.redalyc.org/articulo.oa?id=16133047006
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Impacto del programa de alfabetización informacional en la Universidad de las Ciencias Informáticas Liuris Rodríguez Castilla Ciencias de la Información Cuba Evaluación Posgraduación Alfabetización informacional Universidad de las Ciencias Informáticas La investigación describe la evaluación y el impacto de la Alfabetización Informacional en la Universidad de las Ciencias Informáticas, a partir de la aplicación de un programa de formación en cursos de posgrado. Para la obtención de los resultados se utilizaron las técnicas de la encuesta, el análisis estadístico y la constatación, seleccionando una muestra de 84 involucrados en los cursos, clasificados en egresados y capacitadores. La evaluación de los resultados se divide en dos etapas: antes y después de impartir el programa de alfabetización informacional, a partir de un conjunto de indicadores. Los cursos han tenido gran aceptación en la universidad, considerándose muy útil y necesario tanto para estudiantes como para capacitadores. 2013 artículo científico 1562-4730 https://www.redalyc.org/articulo.oa?id=16133047006 es http://www.redalyc.org/revista.oa?id=161 Biblios application/pdf University of Pittsburgh Biblios (Estados Unidos de América) Num.53

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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