VHDL : lenguaje para síntesis y modelado de circuitos /

Contenido: 1. Metodología de diseño. 2. Descripción del diseño. 3. Introducción al lenguaje VHDL. 4. Elementos sintácticos del VHDL. 5. Descripción del flujo de datos. 6. Descripción comportamental algorítmica. 7. Descripción estructural. 8. Poniendo orden: subprogramas, paquetes y bibliotecas. 9. C...

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Detalles Bibliográficos
Autor Principal:	Pardo Carpio, Fernando (autor)
Outros autores:	Boluda Grau, José A. (autor) (autor)
Formato:	Libro
Idioma:	Lingua castelá
Publicado:	México : Madrid, España : Alfaomega ; Ra-Ma, 2000, c2000
Temas:	VHDL - > Tema Principal Lenguajes de Programación - > Tema Principal Programación (Software) Circuitos Electrónicos Componentes (Hardware) Arquitectura de Computadoras Ingeniería Computacional Ingeniería Electrónica
Etiquetas:	Engadir etiqueta Sen Etiquetas, Sexa o primeiro en etiquetar este rexistro!

Detalle de Existencias desde IT2
Número de Clasificación:	621. 392 PAR V. 2
Ejemplar 0500234091	Disponible Préstamo 7 días a 90	Colección: CDs de computadora préstamo externo	Notas: Solicitar en Nivel 2 Sur Área de Audiovisuales y Periódicas
Ejemplar 0500234080	Disponible Préstamo 7 días a 90	Colección: CDs de computadora préstamo externo	Notas: Solicitar en Nivel 2 Sur Área de Audiovisuales y Periódicas

Detalle de Existencias desde IT1
Número de Clasificación:	621. 392 PAR V. 1
Ejemplar 0500234076	Disponible Préstamo 7 días a 90	Colección: Colección General	Notas: Ubicar en Nivel 1 Área de Colección General

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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VHDL : lenguaje para síntesis y modelado de circuitos /

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