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Bibliographic Details
Main Author:	Julio Alejandro Pinzón Núñez
Format:	Artículo científico
Language:	es
Published:	Universidad Libre 2011
Subjects:	Ingeniería Desarrollo Innovación Investigación Software libre Arquitectura Empresarial
Online Access:	https://www.redalyc.org/articulo.oa?id=757979592010
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Modelo de evaluación del potencial de desarrollo, investigación e innovación basado en software libre, en programas académicos de Ingeniería de Sistemas – El Framework PDII Julio Alejandro Pinzón Núñez Pablo Emilio Santamaría Acevedo Ingeniería Desarrollo Innovación Investigación Software libre Arquitectura Empresarial Este articulo describe un modelo para evaluar el potencial de desarrollo, investigación e innovación de un programa académico basando dicho potencial, en la filosofía del Software Libre (SL). Esta propuesta se enfoca a programas académicos en ciencias de la computación y se divide en tres áreas de evaluación para poder determinar los tres aspectos es decir, el desarrollo, la investigación y la innovación. La primer área de evaluación es el escenario de aplicaciones computacionales que apoyan el trabajo de los docentes y administrativos del programa académico, la segunda es el segmento académico que determina el potencial de los docentes para innovar en sus actividades académicas según su preparación en software libre, finalmente se evalua el área de investigación que determina la productividad en software libre del programa académico. 2011 artículo científico 2619-6581 https://www.redalyc.org/articulo.oa?id=757979592010 es http://www.redalyc.org/revista.oa?id=7579 Avances application/pdf Universidad Libre Avances (Colombia) Num.2 Vol.8

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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