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Bibliographic Details
Main Author:	Pablo Dalle
Format:	Artículo científico
Language:	es
Published:	Universidad de la República 2015
Subjects:	Sociología cohortes clases populares oportunidades estructurales desigualdad de clase persistente Movilidad social intergeneracional
Online Access:	https://www.redalyc.org/articulo.oa?id=453644798008
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MOVILIDAD SOCIAL INTERGENERACIONAL EN ARGENTINA. OPORTUNIDADES SIN APERTURA DE LA ESTRUCTURA DE CLASES Pablo Dalle Sociología cohortes clases populares oportunidades estructurales desigualdad de clase persistente Movilidad social intergeneracional El artículo analiza tendencias de movilidad social intergeneracional en Argentina, a través de co-hortes de nacimiento, haciendo hincapié en las oportunidades de movilidad ascendente desde orígenes de clase popular. Los datos provienen de integrar seis encuestas probabilísticas entre 2003 y 2010 dirigidas por el Dr. Raúl Jorrat (Instituto de Investigaciones Gino Germani - Universi-dad de Buenos Aires). La estrategia de análisis consiste en describir tasas absolutas de movi-lidad social y aplicar modelos log-lineales de tres vías. Las pautas observadas sugieren que la estructura de clases es bastante abierta, comparada con otros países de la región, en relación con las oportunidades estructurales de movilidad ascendente desde las clases populares a la clase de servicios. Al controlar la movilidad estructural y considerar las cohortes, se observa pre-valencia de desigualdad constante de oportunidades y, de haber habido cambios, la tendencia fue hacia un mayor peso del origen de clase, más marcada en los varones. 2015 artículo científico 0797-5538 https://www.redalyc.org/articulo.oa?id=453644798008 es http://www.redalyc.org/revista.oa?id=4536 Revista de Ciencias Sociales application/pdf Universidad de la República Revista de Ciencias Sociales (Uruguay) Num.37 Vol.28

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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