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Bibliographic Details
Main Author:	Adriana Rocío Lizcano Dallos
Format:	Artículo científico
Language:	es
Published:	Universidad Pedagógica Nacional 2010
Subjects:	Educación matemáticas números naturales software educativo
Online Access:	https://www.redalyc.org/articulo.oa?id=413635664005
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Prototipo de objeto virtual de aprendizaje para la ejercitación en matemáticas de primer grado de educación básica Adriana Rocío Lizcano Dallos Educación matemáticas matemáticas números naturales números naturales software educativo El artículo presenta los avances obtenidos en el desarrollo del proyecto de investigación Objeto Virtual de Aprendizaje para matemáticas de primer grado de educación básica primaria. Se incluye una descripción del proyecto de investigación, del prototipo funcional y los resultados obtenidos en la prueba piloto realizada con 13 niños del Instituto INEM, Sede D de la ciudad de Bucaramanga. Los hallazgos señalan la importancia de proporcionar variación de los estímulos en los niños a través del menú de actividades, considerando el poco tiempo de atención que dedican a una actividad, además de considerar la variabilidad en el nivel del acercamiento tecnológico de los niños. Palabras clave Educación básica primaria, matemáticas, objeto virtual de aprendizaje, software educativo, números naturales. 2010 artículo científico 0120-3916 https://www.redalyc.org/articulo.oa?id=413635664005 es http://www.redalyc.org/revista.oa?id=4136 Revista Colombiana de Educación application/pdf Universidad Pedagógica Nacional Revista Colombiana de Educación (Colombia) Num.58

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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