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Bibliographic Details
Main Author:	Letizia Caronia
Format:	Artículo científico
Language:	es
Published:	Grupo Comunicar 2002
Subjects:	Comunicación familia metodología Investigación tecnologías de la información y la comunicación
Online Access:	https://www.redalyc.org/articulo.oa?id=15801803
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Investigando sobre los medios: una reflexión sobre la metodología Letizia Caronia André H. Caron Comunicación familia metodología Investigación tecnologías de la información y la comunicación Este trabajo muestra algunas reflexiones sobre las cuestiones metodológicas surgidasen la investigación actual sobre la apropiación y uso cotidiano de las tecnologías de lainformación y la comunicación. Los autores argumentan la necesidad de unir marcosteóricos, hipótesis y herramientas metodológicas sugiriendo que los instrumentos metodológicosnunca son puros desde el momento en que reflejan los compromisos delinvestigador con un nivel más profundo que el de las ideas teóricas. El propósito deeste estudio era sobre todo la construcción subjetiva del significado que la gente confierea las tecnologías y a sus usos en el contexto cotidiano. 2002 artículo científico 1134-3478 https://www.redalyc.org/articulo.oa?id=15801803 es http://www.redalyc.org/revista.oa?id=158 Comunicar application/pdf Grupo Comunicar Comunicar (España) Num.18

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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