Auteur zoekresultaten

Dirk van Delft

Dirk van Delft (1951) is een Nederlandse wetenschapper en schrijver.

Van Delft studeerde Natuurkunde aan de Universiteit Leiden, waar hij in 2005 promoveerde op zijn proefschrift over Heike Kamerlingh Onnes, getiteld ''Heike Kamerlingh Onnes. Een biografie.'' Hij won hiermee de Eurekaprijs voor wetenschapscommunicatie 2005.

Van Delft was redacteur Wetenschap bij de Nieuwe Rotterdamsche Courant (NRC), thans ''NRC Handelsblad''. Van 2006 tot 2018 was Van Delft directeur van Rijksmuseum Boerhaave te Leiden. Bij zij afscheid werd hij benoemd tot officier in de Orde van Oranje-Nassau. Daarnaast was hij van 2008 tot 2023 bijzonder hoogleraar Materieel erfgoed van de natuurwetenschappen aan de Universiteit Leiden. Lees meer op Wikipedia

Philips Research 100 jaar uitvindingen die ertoe doen

door Delft, Dirk van 1951-, Maas, Adrianus Johannes Pieter 1970-
Jaar 2013

Boek

Beelden zonder weerga de elektronenmicroscoop van Ernst Ruska tot Ben Feringa

door Delft, Dirk van 1951-, Helvoort, Antonius Adrianus Franciscus Joseph 1954-
Jaar 2018

Boek

Snaren, spiegels en plakband 70 jaar Nederlandse natuurkunde

door Delft, Dirk van 1951-, Eggen, Huub 1948-, Stel, Anita van 1960-, Vrouwe, Anouck 1978-, Zegers, Gabby
Jaar 2017

Boek

foreach (glob($this->getPath() . "/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 $sess_id The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sess_id, $data) { $sess_file = $this->getPath() . '/sess_' . $sess_id; if ($fp = fopen($sess_file, "w")) { $return = fwrite($fp, $data); fclose($fp); 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. echo 'Cannot write session to ' . $sess_file . "\n"; return false; } }

// 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 $sess_id The current session ID * @param string $data The session data to write * * @return bool */ public function write($sess_id, $data) { if ($this->writesDisabled) { return true; } return $this->saveSession($sess_id, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sess_id The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sess_id, $data); }

* * @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

Key	Value
author	Delft, Dirk van 1951-

POST Data empty

Files empty

Key	Value
language	nl
VUFIND_SESSION	mlcg2q7843hni64u9c9ocl7r8e

Session

Key	Value
__ZF	Array ( [_REQUEST_ACCESS_TIME] => 1747162920.7512 [_VALID] => Array ( [Zend\Session\Validator\Id] => mlcg2q7843hni64u9c9ocl7r8e ) )
SessionState	Zend\Stdlib\ArrayObject Object ( [storage:protected] => Array ( [cookiePath] => / ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )
Search	Zend\Stdlib\ArrayObject Object ( [storage:protected] => Array ( [last] => /eind/Author/Home?author=%22Delft%2C+Dirk+van+1951-%22&type=Author [params\|SolrAuthor\|hiddenFilters] => Array ( ) [params\|SolrAuthor\|limit] => 20 [params\|SolrAuthor\|sort] => [params\|SolrAuthor\|view] => list ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )
FlashMessenger	Zend\Stdlib\ArrayObject Object ( [storage:protected] => Array ( ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )

Server/Request Data

Key	Value
REDIRECT_VUFIND_ENV	development
REDIRECT_VUFIND_LOCAL_DIR	/usr/local/vufind/sites/eind
REDIRECT_VUFIND_LOCAL_MODULES	Brocade
REDIRECT_STATUS	200
VUFIND_ENV	development
VUFIND_LOCAL_DIR	/usr/local/vufind/sites/eind
VUFIND_LOCAL_MODULES	Brocade
HTTP_ACCEPT	/
HTTP_USER_AGENT	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_COOKIE	language=nl; VUFIND_SESSION=mlcg2q7843hni64u9c9ocl7r8e
HTTP_ACCEPT_ENCODING	gzip, br, zstd, deflate
HTTP_HOST	vufind2.brocade.uninova.nl
PATH	/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
SERVER_SIGNATURE	<address>Apache/2.4.29 (Ubuntu) Server at vufind2.brocade.uninova.nl Port 80</address>
SERVER_SOFTWARE	Apache/2.4.29 (Ubuntu)
SERVER_NAME	vufind2.brocade.uninova.nl
SERVER_ADDR	10.251.0.151
SERVER_PORT	80
REMOTE_ADDR	3.133.108.14
DOCUMENT_ROOT	/var/www/html
REQUEST_SCHEME	http
CONTEXT_PREFIX	/eind
CONTEXT_DOCUMENT_ROOT	/usr/local/vufind/public
SERVER_ADMIN	webmaster@localhost
SCRIPT_FILENAME	/usr/local/vufind/public/index.php
REMOTE_PORT	7605
REDIRECT_URL	/eind/Author/Home
REDIRECT_QUERY_STRING	author=Delft%2C+Dirk+van+1951-
GATEWAY_INTERFACE	CGI/1.1
SERVER_PROTOCOL	HTTP/1.1
REQUEST_METHOD	GET
QUERY_STRING	author=Delft%2C+Dirk+van+1951-
REQUEST_URI	/eind/Author/Home?author=Delft%2C+Dirk+van+1951-
SCRIPT_NAME	/eind/index.php
PHP_SELF	/eind/index.php
REQUEST_TIME_FLOAT	1747162920.732
REQUEST_TIME	1747162920

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Dirk van Delft

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Environment & details: