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Bibliographic Details
Main Author:	Beatriz F. Díaz González
Format:	Artículo científico
Language:	es
Published:	Facultad Latinoamericana de Ciencias Sociales 2016
Subjects:	Multidisciplinarias (Ciencias Sociales) Cuba agroecología Agricultura industrial
Online Access:	https://www.redalyc.org/articulo.oa?id=552377259010
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La conversión agroecológica de la agricultura cubana ante nuevos escenarios Beatriz F. Díaz González Multidisciplinarias (Ciencias Sociales) Cuba agroecología Agricultura industrial El artículo aborda lo ocurrido cuando una profunda crisis económica y social vinculada a la inserción internacional del país hizo colapsar en Cuba la agricultura industrial, altamente dependiente de importaciones. Esto determinó el desarrollo de un nuevo enfoque y procedimientos agroecológicos cuyos resultados han obtenido merecido reconocimiento internacional. Varios factores influyeron en el desarrollo de este proceso, entre ellos la activa participación de actores sociales. Sin embargo, nuevos escenarios pueden considerarse como riesgos potenciales para la transformación agroecológica de Cuba, por lo que en el artículo se analizan y discuten posibles fortalezas, amenazas y su capacidad de resiliencia. 2016 artículo científico 2308-0132 https://www.redalyc.org/articulo.oa?id=552377259010 es http://www.redalyc.org/revista.oa?id=5523 Estudios del Desarrollo Social: Cuba y América Latina application/pdf Facultad Latinoamericana de Ciencias Sociales Estudios del Desarrollo Social: Cuba y América Latina (Cuba) Vol.4

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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