111 Places to see in Düsseldorf, Part 2

Five years ago, I got the book 111 Düsseldorfer Orte, die man gesehen haben muss (English: 111 Places to see in Düsseldorf). I posted an article detailing to which of these places I had already been at the time.

Today I decided to revisit that list and travel around town to see a few of those I hadn’t been to before. Pictures from today’s trip are at the end of this post. I’ve also created the hashtag #111DüsseldorferOrte on Instagram to tag pictures I take whenever I visit a place from the list.

Below is the list where I have marked all the places that as of 07-Nov-2016

  1. I have seen: 75 (up from 46 in 2011),
  2. I know or have at least heard of but haven’t seen: 17 (down from 24 in 2011),
  3. I have only read about in the book: 19 (down from 41 in 2011).
1 Ackerstraße Been there
2 Alte Golzheimer Friedhof Been there
3 Apsis von St. Margareta Know of
4 Aschlökchen Know of
5 Atelierhaus Walzwerkstraße Never heard of
6 Berger Kirche Been there
7 Bilker Sternwarte Been there
8 Blumenlädchen am Barbarossaplatz Been there
9 Blutkapelle Never heard of
10 Bolkerstraße Been there
11 Bootshafen am Unterbacher See Know of
12 Botanischer Garten Been there
13 Burghof-Mauer Been there
14 Carlsplatz Been there
15 Carsch-Haus Been there
16 Düsseldorfer Malerschule im museum kunst palast Been there
17 Düsselquelle Know of
18 Ecke Tußmann- und Moltkestraße Been there
19 Eisstadion an der Brehmstraße Been there
20 Ende der Zollstraße Been there
21 Engländerwiese Been there
22 Esskastanienallee Been there
23 Fähre nach Zons Been there
24 Filmmuseum und die Black Box Been there
25 Flinger Broich Know of
26 Frauensteine Never heard of
27 Fußgängerbrücke im Medienhafen Been there
28 Galerie Simonis Never heard of
29 GAP 15 Been there
30 Gehry-Bauten Been there
31 Gnadenauge der Maxkirche Never heard of
32 Goethe-Museum im Schloss Jägerhof Been there
33 Goldene Brücke im Hofgarten Been there
34 Grabbeplatz Been there
35 Grabmal Wilhelm des Reichen Been there
36 Greifweg Never heard of
37 Hand von St. Suitbertus Been there
38 Haus der Ey Been there
39 Haus Zum Neuen Schelfisch Never heard of
40 Heine Haus Been there
41 Hetjens-Museum Been there
42 Am Heyebad Know of
43 Himmelgeister Kastanie Been there
44 Hungerturm Been there
45 Hunsrückstraße 16 Know of
46 Internationale Bushaltestelle Been there
47 Japan Store Never heard of
48 “Junges Rheinland” im Stadtmuseum Never heard of
49 K20 Been there
50 K21 Been there
51 Kaiserpfalz Been there
52 Kaiserswerther Deich Been there
53 Karlrobert-Kreiten-Stolperstein Know of
54 Killepitsch-Stube Know of
55 KIT Been there
56 Kölner Straße Been there
57 Konrad Fischer Galerie Know of
58 Konsortium Never heard of
59 Kreuzherreneck Know of
60 Kreuzstation am Lindenplatz Been there
61 Kunstakademie Know of
62 Kunsthalle Been there
63 Lantz’scher Park Been there
64 Lassalle-Gedächtnisstätte Been there
65 Malkasten-Park Know of
66 marokkanische Viertel Know of
67 Mausoleum in der Andreaskirche Been there
68 Münstertherme Been there
69 Napoleonsecke im Schiffchen Never heard of
70 Neandertal Been there
71 Nitribitt-Grab Never heard of
72 NRW-Forum im Ehrenhof Been there
73 Oberbilker Markt Been there
74 Park am Spee’schen Graben Been there
75 Rahmenmuseum Been there
76 Ratinger Straße Been there
77 Ratinger Tor Been there
78 Raum 20 Never heard of
79 Reeser Platz Been there
80 Reinraum Never heard of
81 Reiterstandbild auf dem Marktplatz Been there
82 Rheinuferpromenade Been there
83 Rheinwiesen Been there
84 Rochuskirche Been there
85 Salon des Amateurs Know of
86 Schloss in Benrath Been there
87 Schloss Mickeln Been there
88 Schlosstreppe Been there
89 Schlossturm Been there
90 Schöne Aussicht Been there
91 Schwanenmarkt Been there
92 Schwarzwald-Christel Never heard of
93 Seufzer-Allee im Hofgarten Been there
94 Siedlung Freie Erde im Eller Forst Never heard of
95 Souterrain im Cafè Muggel Been there
96 Stadterhebungsmonument Been there
97 Stindermühle Never heard of
98 Stoffler Kapellchen Never heard of
99 Stresemannplatz Been there
100 Tausendfüßler Been there
101 Trödelmarkt am Aachener Platz Been there
102 Uerige Know of
103 Urdenbacher Kämpe Been there
104 Volksgarten Been there
105 Volkshaus Been there
106 Yede-Gör Been there
107 zakk Know of
108 ZERO-Atelier Never heard of
109 Zicke Been there
110 Zoo Been there
111 Zwischen Luegplatz und Belsenplatz Been there

One of the stranger places on the list is Reeser Platz which is this huge square that is unused except it has on one side a memorial erected by the Nazis in 1939 glorifying soldiers and the wars they went off to fight in.

Reeser Platz (2)

Reeser Platz (1)

Not a whole lot of traffic this morning.

Leere Straße

Lantz’scher Park, with its old trees, numerous sculptures and well-designed lines of sight would would be a beautiful place to relax, if it wasn’t for the thunder of planes every two minutes to and from Düsseldorf airport.

Lantz'scher Park Klein

Kapelle Lantz'scher Park

Passing the by Kaiserpfalz in Kaiserswerth.

An der Kaiserpfalz Klein

Schloss Kalkum reflecting in its water-filled moat.

Schloss Kalkum

The Case of the Not Enough Storage Error in a Delphi Application

The Problem

After a few weeks Delphi applications running on Windows Server (2008 or later) will fail to start or create new windows with error 8: Not enough storage is available to process this command.

Possible Cause 1: Desktop Heap Exhaustion

Session 0 which service applications are running in gets allocated substantially less desktop heap than interactive sessions, so you might be running out of it. There is a system event log entry with event ID 243 or 244 when the desktop heap gets exhausted.

By increasing the values in the SharedSection part of the data in registry value “Windows” in key “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\SubSystems”, you can allocate more to the service session, as described in this Microsoft support article or this Stack Overflow answer.

Note that Microsoft’s Desktop Heap Monitor tool no longer works on current versions of Windows Server.

Possible Cause 2: Atom Leak

Applications compiled with Delphi XE2 or earlier call RegisterWindowMessage in the initialization section of Controls.pas to allocate a unique window message ID. This takes up one slot in the session’s atom table. Unfortunately, there are only around 16 000 slots in the atom table. With no way to unregister a window message, you will eventually run out of them. It has been said that on earlier versions of Windows, the counter wrapped around so you never ran out as slots got overwritten/reused.

For more details, see this bug report on Embarcadero’s Quality Central and this Stack Overflow answer.

I fixed this by editing the Controls.pas unit replacing this line

RM_GetObjectInstance := RegisterWindowMessage(PChar(ControlAtomString));

with this one

RM_GetObjectInstance := RegisterWindowMessage(PChar('DelphiRM_GetObjectInstance'));

This way all Delphi applications share the same atom instead of creating their own. There is also a more involved fix by Andreas Hausladen, but this solution sufficed for me.

Analyzing the Atom Leak

Jordi Corbilla has written the super useful Atom Table Monitor which dumps entries from the atom table. I made a C# version of it, the Atom Table Dumper, because (a) I didn’t want to diagnose issues with my Delphi applications using another Delphi application that had the same issue and (b) I needed an easier to read and process output format.

Note that your analysis tool has to run in the same session as the application getting the error.

Further note that not all of the atoms listed under RegisteredWindowMessage were necessarily allocated by RegisterWindowsMessage. RegisterClass is another function that allocates atoms in this table. However, as the documentation points out “All window classes that an application registers are unregistered when it terminates.“ so having many of them (temporarily) isn’t necessarily a problem.

Museum Insel Hombroich (again)

After my previous visit to Museum Insel Hombroich was cut short by rain, I went again this week when the weather was nicer.

Obviously, it was a much more enjoyable visit. Museum Insel Hombroich just has this wonderful combination of art…

Statuen

Quader

…architecture…

Außenansicht Ecke

Rundes Haus

Fenster Klein

…and nature.

Fluss

Stufen

Teich

Powerlines I came across while walking back to Neuss. #symmetry

Strommast Totale

Strommast Klein

Museum Insel Hombroich

The museum Insel Hombroich is a large park with several sculpture, installations and architecturally interesting buildings housing artwork. Even though it is not far from Düsseldorf, it’s a bit difficult to reach by public transportation, so until yesterday I had never been there.

Ausblick

Unfortunately, I picked the worst possible time to go. The weather was OK when I got there, but once I had gone past the first building, what started as a drizzle soon turned into a downpour.

Außenansicht Ecke

Decke (1)

Decke Klein

I walked around for a while, but couldn’t really enjoy it as I was getting soaked by the rain.

WP_20161003_10_57_02_Pro

I eventually went back to the bus stop, and only then did the rain stop and the sun came out. Since there is only one every other hour, I called it a day and decided to come back some other time. Even from what little I’d seen, it’s definitely worth another visit.

Straße

Pictures from Milan Part 3

After part 1 City Center and part 2 Modern Architecture, here is part 3 with the remaining pictures from last week’s trip to Milan.

Pirelli HangarBicocca

HangarBicocca is an old factory that a few years back was transformed into an impressive exhibition space. It features a permanent installation by Anselm Kiefer called The Seven Heavenly Palaces.

Hangar Bicocca Entrance

These pictures really don’t do it justice. It’s just so impressive to be standing in a huge darkened hangar amid these 14-18m high houses. Interestingly, the paintings work both from afar, when you can take them in as a whole, as well as from up close, when they reveal a totally different layer of detail.

Hangar Bicocca Bild Klein

Central Station

Despite the massive size of Milan’s Central Station, a lot of attention was paid to getting the details right as well.

Central Station Klein

Central Station (4)

Central Station (2)

Central Station (3)

Central Station (5)

Pictures from Milan Part 2: Modern Architecture

The part of Milan that made the biggest impression on me was no doubt the Porta Nuova district consisting of modern skyscrapers and high-rise residential buildings such as Bosco Verticale (“vertical forest”) and the UniCredit Tower.

We first went there on Saturday evening as the sun was setting and live-music was playing on the Piazza Gae Aulenti. It was a wonderful scene. I came back on sunny Monday morning to capture these beautiful shots.

Bosco Verticale & UniCredit Klein

UniCredit Tower Klein

Piazza Gae Aulenti Skyscraper Klein

Porta Nuova Park

The elegant Grattacielo Pirelli (Pirelli Tower) reflecting the morning sun.

Grattacielo Pirelli