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Detalles Bibliográficos
Autor principal:	Lucía Santa Ana Lozada
Formato:	Artículo científico
Lenguaje:	es
Publicado:	Universidad Nacional Autónoma de México 2023
Materias:	Arquitectura higiene siglo XX escuelas Ventilación tratados de arquitectura
Acceso en línea:	https://www.redalyc.org/articulo.oa?id=773782614007 https://www.redalyc.org/journal/7737/773782614007/ https://www.redalyc.org/journal/7737/773782614007/html/ https://www.redalyc.org/journal/7737/773782614007/773782614007.epub https://www.redalyc.org/journal/7737/773782614007/movil
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Aire limpio para las escuelas de educación básica en Ciudad de México en la primera mitad del siglo XX Lucía Santa Ana Lozada Perla Santa Ana Lozada Arquitectura higiene siglo XX escuelas Ventilación tratados de arquitectura La pandemia causada por el SARS-Cov-2 en 2020 y la enfermedad que provoca, el COVID-19, permite reflexionar sobre la influencia que las enfermedades causadas por virus y/o bacterias han tenido sobre el ser humano y en específico sobre los espacios arquitectónicos. El resultado de esta pandemia fue un escenario similar al que se desarrolló en las primera décadas del siglo XX, por lo que el análisis de la aplicación de los principios científicos y médicos de la época en el diseño de edificios de educación básica en Ciudad de México nos permitirá entender la necesidad de crear espacios higiénicos y cómo considerar la utilización de estos principios nuevamente permitiría la creación de aulas en las que se mitigue la transmisión de enfermedades por vía área. 2023 artículo científico 2594-083X https://www.redalyc.org/articulo.oa?id=773782614007 https://www.redalyc.org/journal/7737/773782614007/ https://www.redalyc.org/journal/7737/773782614007/html/ https://www.redalyc.org/journal/7737/773782614007/773782614007.epub https://www.redalyc.org/journal/7737/773782614007/movil 10.22201/fa.2007252Xp.2023.14.28.87240 es http://www.redalyc.org/revista.oa?id=7737 Academia XXII application/pdf Universidad Nacional Autónoma de México Academia XXII (México) Num.28 Vol.14

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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