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Autore principale:	Elías Rosales Escalante
Natura:	Artículo científico
Lingua:	es
Pubblicazione:	Instituto Tecnológico de Costa Rica 2005
Soggetti:	Ingeniería bajo consumo ecosaneamiento proyecto piloto Tratamiento doméstico tecnologías alternativas
Accesso online:	https://www.redalyc.org/articulo.oa?id=699878337003
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Ecosaneamiento Elías Rosales Escalante Ingeniería bajo consumo ecosaneamiento proyecto piloto Tratamiento doméstico tecnologías alternativas El ecosaneamiento es un nuevo enfoque de la Ingeniería sanitaria que tiene como propósito no utilizar agua o las menores cantidades posibles de ese recurso para la evacuación de desechos. Con este documento se presentan aspectos relacionados con la utilización de artefactos para el bajo consumo de agua, como sobre trabajos encaminados hacia la utilización de inodoros que funcionan sin agua. Pasar de una sociedad que consume grandes cantidades de agua por día a una sociedad consciente del uso del agua, será una verdadera necesidad de nuestros pueblos en no muchos años. Por ello, las acciones para la validación de tecnologías alternativas para no usar agua y el desarrollo de estrategias para la transferencia de estas se convierten en tema prioritario. Se requiere un cambio radical de hábitos. No es posible que continuemos tirando a los cursos de agua materiales que pertenecen a la tierra y de esa manera se siga con el HIDROCIDIO que se ha venido provocando. Se comenta sobre la filosofía del ecosaneamiento y del proyecto piloto, donde se levantarán casas mediante la aplicación de estos principios; es decir, utilizando tecnologías alternativas tanto para la evacuación en las casas como para el tratamiento. 2005 artículo científico 2215-3241 https://www.redalyc.org/articulo.oa?id=699878337003 es http://www.redalyc.org/revista.oa?id=6998 Tecnología en marcha application/pdf Instituto Tecnológico de Costa Rica Tecnología en marcha (Costa Rica) Num.2 Vol.18

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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