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Dettagli Bibliografici
Autore principale:	Jorge A. Sábato
Natura:	Artículo científico
Lingua:	es
Pubblicazione:	Universidad Nacional de Quilmes 1997
Soggetti:	Sociología
Accesso online:	https://www.redalyc.org/articulo.oa?id=90711303004
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Bases para un régimen de tecnología Jorge A. Sábato Sociología En el interior de la problemática tecnología-sociedad, uno de los temas centrales es el de la definición, diseño e instrumentación de una política tecnológica y sus relaciones con otras políticas que operan simultáneamente en la sociedad, en particular con la política económica en el sentido amplio, y con la política científica stricto sensu. Diferentes países han ensayado diversas soluciones para enfrentar dicho problema. El análisis de estas experiencias permite inferir que la insatisfacción por los resultados obtenidos reside en el mismo esquema conceptual que fundamenta la estrategia empleada. En particular, porque pretende introducir la tecnología en el proceso productivo de "afuera hacia adentro", casi como si fuera un "aposito" colocado sobre el proceso mismo. En este trabajo se propone una solución basada en un esquema conceptual distinto y que pretende introducir la tecnología desde "adentro hacia afuera". Para tal fin, se presenta una respuesta al siguiente problema específico: dada una política industrial inscripta en el marco de una cierta política económica, cómo utilizar la tecnología en forma de asegurar que su comportamiento contribuya de manera óptima a alcanzar los objetivos propuestos por la política industrial dada. 1997 artículo científico 0328-3186 https://www.redalyc.org/articulo.oa?id=90711303004 es http://www.redalyc.org/revista.oa?id=907 Redes application/pdf Universidad Nacional de Quilmes Redes (Argentina) Num.10 Vol.4

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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