Introducción a la ciencia de materiales para ingenieros

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Detalles Bibliográficos
Autor Principal:	Shackelford, James F.
Formato:	Libro
Lengua:	español
Datos de publicación:	Madrid : Pearson Educación, 2005.
Edición:	6ta. ed
Temas:	MATERIALES ESTRUCTURA CRISTALINA DEFECTOS CRISTALINOS ESTRUCTURA NO CRISTALINA DIFUSION PROPIEDADES MECANICAS PROPIEDADES TERMICAS ANALISIS DE FALLOS PREVENCION DE FALLAS DIAGRAMAS DE FASES CINETICA METALES CERAMICOS VIDRIOS POLIMEROS MATERIALES COMPUESTOS CONDUCCION ELECTRICA COMPORTAMIENTO OPTICO SEMICONDUCTORES MATERIALES MAGNETICOS
Notas:	Acompaña al libro (620.2 SHA 6°)
Descripción Física:	2 CD-Roms
ISBN:	8420544515

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// 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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Introducción a la ciencia de materiales para ingenieros

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