Problemas de diseño de elementos de máquinas

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Detalles Bibliográficos
Autor Principal:	Faires, Virgil Moring
Otros autores o Colaboradores:	Wingren, Roy M.
Formato:	Libro
Lengua:	español
Datos de publicación:	Barcelona : Montaner y Simon, 1980.
Edición:	2a.ed
Temas:	ELEMENTOS DE MAQUINARIAS DISEÑO DE ELEMENTOS TENSIONES MATERIALES TOLERANCIAS CARGAS VARIABLES CONCENTRACION DE ESFUERZOS TORNILLOS REMACHES RESORTES COLUMNAS PARA CARGA CENTRADA ESFUERZOS SIMPLES ARBOLES EJES DISEÑO DE EJES MUÑONES COJINETES RODAMIENTO DE VOLAS RODILLOS ENGRANAJES CILINDRICOS ENGRANAJES HELICOIDALES ENGRANAJES CONICOS ENGRANAJES DE TORNILLOS SINFIN FRENOS UNIONES SOLADURAS
Descripción Física:	184 p.
ISBN:	8427404824

Consultar en el catálogo de Biblioteca FING

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'

Environment & details:

GET Data empty

POST Data empty

Files empty

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language	"es"
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REQUEST_SCHEME	"https"
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SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
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Registered Handlers

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Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
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language	"es"
VUFIND_SESSION	"0l4kja6h6v9omqodguljuos0v5"

Session

Key	Value
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REMOTE_ADDR	"18.191.205.149"
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REQUEST_SCHEME	"https"
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SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"47860"
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GATEWAY_INTERFACE	"CGI/1.1"
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SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1738373760.7236
REQUEST_TIME	1738373760

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Problemas de diseño de elementos de máquinas

Consultar en el catálogo de Biblioteca FING

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Environment & details:

Environment & details: