Ingeniería ante el desafío espacial

Detalles Bibliográficos
Autores Corporativos:	UNLP. Facultad de Ingeniería. Departamento de Aeronáutica. Grupo de Ensayos Mecánicos Aplicados, UNLP. Facultad de Ingeniería. Departamento de Aeronáutica. Laboratorio de Capa Límite y Fluidodinámica Ambiental
Otros autores o Colaboradores:	Lunardelli, Damián, García Saínz, Mariano, Scuto, Daniel, Espada Poppe, Juan Manuel, Richard, Agustín, Hernández, Sebastián, Bonet, Gastón, Greco, Axel, Algozino, Santiago, Bacchi, Federico
Formato:	Artículo
Lengua:	español
Datos de publicación:	La Plata : Facultad de Ingeniería, 2014
Temas:	SATELITES COHETES CONAE GEMA LACLYFA VEX1A PROYECTOS TRONADOR II INDUSTRIA FACULTAD DE INGENIERIA ARGENTINA
Acceso en línea:	https://ing.unlp.edu.ar/wp-content/uploads/acordeon/multimedia/revistas/010_Ingeniar/009_Ingeniar%20Nro%20009%20(Abril%202014).pdf
Notas:	Especial Tronador. La Facultad participó del ensayo de prueba del lanzador experimental Vex1A, el primer vehículo construido en el marco del proyecto Tronador II. Un ambicioso plan espacial nacional que tiene como objetivo colocar satélites en órbita.
Descripción Física:	p. 22-39 : il.
Frecuencia de Publicación:	Frecuencia variada

https://ing.unlp.edu.ar/wp-content/uploads/acordeon/multimedia/revistas/010_Ingeniar/009_Ingeniar%20Nro%20009%20(Abril%202014).pdf

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foreach (glob($this->path . '/sess_*') as $filename) { if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); } } return true; } /** * 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 true; } /** * 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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Ingeniería ante el desafío espacial

https://ing.unlp.edu.ar/wp-content/uploads/acordeon/multimedia/revistas/010_Ingeniar/009_Ingeniar%20Nro%20009%20(Abril%202014).pdf

Consultar en el catálogo de Biblioteca FING

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