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1. Verfasser:	José Luis Gutiérrez Sánchez
Format:	Artículo científico
Sprache:	es
Veröffentlicht:	Universidad Autónoma Metropolitana 2000
Schlagworte:	Estudios Culturales
Online-Zugang:	https://www.redalyc.org/articulo.oa?id=26701303
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

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El sueño de Isaac Asimov o ¿son matematizables las ciencias de lo humano? José Luis Gutiérrez Sánchez Estudios Culturales A partir de una serie de novelas utópicas de Isaac Asimov, se discuten las posibilidades de representarmatemáticamente la realidad social. Se aborda, primero, la cuestión de qué es la matemática yqué significa matematizar. Se parte de la crítica al mecanicismo reduccionista, enfoque hegemónico en pensamiento científico hasta nuestros días, que habría provocado varios intentos fallidos de uso de lamatemática en las ciencias sociales y, finalmente, se presentan diversos avances de matematización en lingüística,antropología cultural e historia. 2000 artículo científico 0188-7742 https://www.redalyc.org/articulo.oa?id=26701303 es http://www.redalyc.org/revista.oa?id=267 Política y Cultura application/pdf Universidad Autónoma Metropolitana Política y Cultura (México) Num.13

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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