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Bibliographic Details
Main Author:	Pedro José Angulo
Format:	Artículo científico
Language:	es
Published:	Universidad de los Andes 2006
Subjects:	Educación educación matemática enseñanza de la matemática didáctica de la matemática y proceso versus resultado matemático
Online Access:	https://www.redalyc.org/articulo.oa?id=35603318
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La enseñanza de la matemática: proceso versus resultado Pedro José Angulo Educación educación matemática enseñanza de la matemática didáctica de la matemática y proceso versus resultado matemático La enseñanza de la matemática es un ensayo prolongado de un camino que sepiensa durante el proceso mismo. Es un desafío, una travesía, una estrategia que seexperimenta para llegar a la reflexión del discurso formal. Su metodología no tieneestándares universales. Sin embargo, el presente artículo da cuenta de dos escenariosen estudio: ingenieros y matemáticos. Cada cual, con su objeto de estudio y sumodo de abordarlo. Más allá de la frontera de una lógica rigurosa, la enseñanza de lamatemática reclama dimensiones de complementariedad y transdisciplinariedad queposiblemente logren fusionar fuerzas didácticas aparentemente distintas pero epistemológicamenteunidas. 2006 artículo científico 1316-4910 https://www.redalyc.org/articulo.oa?id=35603318 es http://www.redalyc.org/revista.oa?id=356 Educere application/pdf Universidad de los Andes Educere (República Bolivariana de Venezuela) Num.33 Vol.10

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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