La mécanique du vol : Performances des avions et des engins

Detalles Bibliográficos
Autor Principal:	George, L.
Otros autores o Colaboradores:	Vernet, Jean-Francois
Formato:	Libro
Lengua:	francés
Datos de publicación:	Paris : Librarie Polytechique, 1960.
Temas:	MECANICA DE VUELO PERFORMANCE DE AVIONES PERFORMANCE DE MOTORES AERODINAMICA MOTORES TURBORREACTORES TURBOHELICE FUERZAS AERODINAMICAS PERFILES AERODINAMICOS PLANTA ALAR VUELO TRANSONICO VUELO SUPERSONICO ATMOSFERA STANDAR SUSTENTACION PERFORMANCE POTENCIA REQUERIDA CARACTERISTICAS DE VUELO VUELO CURVILINEO PLANEO VUELO EN ASCENSO ATERRIZAJE DESPEGUE AUTONOMIA AVIONES DE TRANSPORTE VUELO EN MANIOBRA ESTABILIDAD
Descripción Física:	p. 464

MARC


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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'

Environment & details:

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La mécanique du vol : Performances des avions et des engins

MARC

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