online since 1994 https://heikkisiltala.net/wiki/ 2026-04-03T23:11:09+00:00 https://heikkisiltala.net/wiki/ https://heikkisiltala.net/wiki/_media/wiki/logo.png text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/biolife/lahdekoodi?rev=1676936233&do=diff Biolife-elämäsimulaattorin lähdekoodi Lue lisää Biolife-elämäsimulaattorista. {Biolife -ohjelman lähdekielinen koodi (Turbo Pascal 5.5).} {Ohjelmoinut Heikki Siltala 1994 The Game of Life -pelin pohjalta.} program BIOLIFE; uses crt; {Ohjelma käyttää Crt -modulia kuvaruudun ohjaukseen.} type param=array [1..10] of byte; field=array [2..56,4..21] of byte; {Määrittelee pelikenttätaulukon mallin.} suku=integer; const ukko='@'; {Pelinappulan merkki määritetään tässä.} x… text/html 2025-09-20T12:54:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/u?rev=1758372847&do=diff Music: U A part of my music collection listing. Listing updated 2025-09-20. Music: T<<<<<< Music: V>>>>>> Artist Album Format Date Origin U.N.IT Dreamdance CD 19.7.2002 Veljekset Keskinen Tuuri UDO Animal House CD UDO Holy CD Anttila Itäkeskus Helsinki UDO Mean Machine text/html 2023-02-26T05:17:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/viitenumerolaskenta?rev=1677388652&do=diff Viitenumerolaskenta Pascal-kielinen ohjelma vuodelta 1995, joka laskee viitenumeron viimeisen tarkistenumeron. program VIITENUMEROLASKENTA(input,output); uses crt; const l1='H'; l2='E'; l3='I'; l4='K'; l5='S'; l6='L'; l7='T'; l8='A'; var viite:array[1..20] of integer; c:char; vl:integer; rullaa:boolean; turha,tx,ty:integer; saako:boolean; procedure NOLLAA; var l:integer; begin for l:=1 to 20 do viite[l]:=-1; end; … text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/nytech_nd_4020?rev=1677105451&do=diff Nytech ND-4020 This review and in-depth description was created 2004 - 2007. The latest update was done in July 2015. See for more details. See some photos shot with Nytech ND-4020! Nytech ND-4020 was my first digital camera. I purchased it June 2004 and used it very actively for three months. During that time I shot about 5 000 photos with it. The enthusiasm of photography spread like a fire and so the camera got replaced with text/html 2025-09-20T12:54:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/udo?rev=1758372847&do=diff UDO A part of my music collection listing. Listing updated 2025-09-20. An artist page is available for artists having at least 5 items in the collection. Artist Album Format Date Origin UDO Animal House CD UDO Holy CD Anttila Itäkeskus Helsinki UDO Mean Machine text/html 2023-02-24T21:55:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/service_management?rev=1677275704&do=diff Catz service management Latest update 2022-07-16. This page contains short process descriptions, notes and checks for Catz application engine management and for version upgrades. This page is provided as public to show an example how a Perl- and Mojolicious-based application can be managed. This also gives me online access to the notes. text/html 2025-01-15T01:56:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/musiikki/kuuntelussa_20_levyllista_elvista/levyt_ja_kappaleet?rev=1736906165&do=diff The Perfect Elvis Presley Soundtrack Collection Sivulla 20 levyllistä Elviksen elokuvamusiikkia kuunneltu kokoelma on The Perfect Elvis Presley Soundtrack Collection. Tällä sivulla on eritelty tarkemmin kokoelman sisältö. Elokuvat Luettelo elokuvista on sivulta <https://www.levykauppax.fi/artist/presley_elvis/the_perfect_elvis_presley_soundtrack_collection/>. * Loving You (1957) text/html 2023-02-22T20:42:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/c_ohjelmointi?rev=1677098558&do=diff C-ohjelmoinnin harjoitustyö C-ohjelmoinnin harjoitustyö syksyltä 1994. Tämä ohjelma ilmeisesti ... tekee jotakin :-D /* C-Ohjelmointi, syksy 1994 Heikki Siltala Harjoitustyo, tehtava 5 Ohjelman kaytto: NIMI tiedosto1 tiedosto2 sivunpituus Kaikki parametrit on aina annettava !!! Tiedosto1 on tiedosto, jossa olevien sanojen mukaan lista laaditaan. Tiedosto2 on tiedosto, josta katsotaan sanojen esiintymispaikat. Sivunpituus ilmoittaa, montako rivia on sivussa. Jos tama parametri on <=0 kayt… text/html 2023-02-24T21:59:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/inside_sotkanet?rev=1677275965&do=diff Inside SOTKAnet This article was written in 2005. SOTKAnet indicator bank is a public accessible web information service that publishes detailed information on well-being and health in Finland. SOTKAnet was launched by STAKES, the National Research and Development Centre for Welfare and Health, on Monday 14th March 2005 at text/html 2023-02-22T20:37:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/kulttuuri/kesaolympialaiset2020/katseluloki?rev=1677098224&do=diff Olympialaisten katseluloki 9.8.2021: Katseluloki on valmis. Asetin tavoitteekseni seurata jokaista Tokion kesäolympialaisten urheilulajia vähintään kerran. Tämä oli mahdollista netin välityksellä, sillä Suomessa suoratoistopalvelu Discovery+ kertoi näyttävänsä kaikki olympiatapahtumat. text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/framework_comparison?rev=1676936233&do=diff Perl MVC frameworks: Catalyst, Dancer, Mojolicious Written in 2010. I used all the three Perl MVC frameworks (Catalyst, Dancer and Mojolicious) during this project. I started the project with Catalyst and implemented some of the core features and content pages with it. Then I started a side project to test Dancer framework. When the project started I found Mojolicious not to be mature enough for this system. But it developed a lot and later I decided to switch from Catalyst to Mojolicious. The… text/html 2023-10-11T17:51:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/mixing_static_and_dynamic?rev=1697046717&do=diff Building a website mixing static and dynamic techniques An ongoing writing process. Started 2021-07-12. Latest update 2023-10-11. From where do we start I'm a content creator, maintainer, developer and webmaster of a few websites purely as a hobby. text/html 2023-02-23T23:54:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/the_zeus_malware_incident?rev=1677196489&do=diff The ZeuS malware incident This report was written in 2014, latest update 2017-10-22. Summary in Finnish. My Windows 7 desktop computer was hit by ZeuS malware or some variant of it. It wasn't detected by virus scanners and so it lived on the computer at least over a month, maybe much longer. Here is the full story. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/waldorf_rocket?rev=1677105451&do=diff Waldorf Rocket Written in 2013, latest update 2014. Waldorf Rocket is a modern analog-sounding hardware monosynth created and made by a German company Waldorf. Pros * Strong sound for leads and basses. This thing has a virtual analog oscillator and a true analog filter. The combination sounds very analog. text/html 2023-02-14T15:25:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/kuvat_kumollaan?rev=1676388341&do=diff Kumollaan olevien valokuvien korjaus Ongelman syy löydetty, ohjelmanpätkä kirjoitettu, kuvat korjattu ja teksti kirjoitettu 7.2.2023. Palvelun catza.net joissakin valokuvissa oli tapahtunut muutos. Kuvat olivat kääntyneet pystyasennosta kyljelleen itsestään, vaikka julkaisuhetkellä ne olivat oikeassa asennossa. Mikään ei ollut muuttunut kuvatiedostoissa eikä palvelun ohjelmakoodisa. Syyn täytyi siis olla jossain muualla. text/html 2025-09-20T12:54:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/start?rev=1758372847&do=diff My music collection List initially created 1996. Latest update 2025-09-20. Music collection The items are listed according to the first letter of the artist's name. Music: AMusic: BMusic: CMusic: DMusic: EMusic: FMusic: GMusic: HMusic: IMusic: JMusic: KMusic: LMusic: MMusic: NMusic: OMusic: PMusic: QMusic: RMusic: SMusic: TMusic: UMusic: VMusic: WMusic: XMusic: YMusic: Z On these subpages you will find all titles in my music collection. The tables contain all music DVDs, CDs, LPs and casse… text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_stuff/kenko_ef_extension_tubes?rev=1677105451&do=diff Kenko EF Extension Tubes Written in 2012. I have a set of Kenko extension tubes to be used with my EF/EOS lenses. These tubes do have EF electronics coupling so the camera will at least try to focus automatically. These same tubes are available under different brands. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/panasonic_lumix_dmc_fz1000?rev=1677105451&do=diff Panasonic Lumix DMC-FZ1000 Initial impressions based on test shots. Written in 2014. Panasonic FZ1000 is right now the hottest camera on the planet. I have a principle to avoid anything that is very hot and wait a while to let it cool down. But this time I made an exception and decided to give FZ1000 a go as a replacement and update for text/html 2023-02-23T23:45:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/kulttuuri/kesaolympialaiset2020/urheilun_supersunnuntai?rev=1677195957&do=diff Urheilun supersunnuntai 25.7.2021 Sivu kirjoitettu 26.7.2021, viimeisin viilaus 3.8.2021. Osana Tokion olympialaisten katselua sunnuntaista 25.7.2021 tuli varsinainen penkkiurheilun supersunnuntai. Seurasin sunnuntain 24 tunnin aikana 24 eri urheilulajia. Lapset, älkää kokeilko tätä kotona! text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/dedicated_or_virtual_server?rev=1677105451&do=diff A dedicated server or a virtual server These are my notes on choosing between Hetzner's Dedicated Server EQ 4 and Virtual Private Server VQ 19. This was written in 2011 so this may not reflect the current similarities and differences between the two server types. text/html 2023-09-22T21:31:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/one_disk_nas?rev=1695418296&do=diff Creating a small NAS server based on OpenMediaVault The initial version written 2020-07-15. Latest update 2020-08-01. See a separate page for long-term impressions. My goal was to create a small and simple network attached storage (NAS) server to serve as a file sharing server between devices connected to home network. The performance requirements for this system were low. I wanted to file storage to be encrypted. text/html 2023-02-23T23:55:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/opera_tor_malware?rev=1677196510&do=diff Opera browser wild on opening sockets and listening on port 9050 The strange behavior of Opera browser described in this text happened in 2013 and was caused by ZeuS malware that dynamically injected its code to Opera process. I might be that there was nothing wrong with Opera browser itself. text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/practical_linux?rev=1676936233&do=diff Practical Linux The year of origin of this page is 2007. Lue suomeksi. You have invested 300 000 € to new Linux servers and willing to set them up quickly? Here's a practical guide how you do it and enter production in no time! Unloading First step is to unload the cardboard boxes from the truck. There are plenty of them so take your time. text/html 2023-02-26T05:16:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/seagate_external_hardrive_issues?rev=1677388611&do=diff Seagate Expansion Desktop performance issues and fixes Page created 2018-01-04. Last updated 2018-01-05. I had some issues with a brand new Seagate Expansion Desktop 4TB USB 3 hard drive (STEB4000200). Here are the issues and how they were fixed. Issue 1: Drive is extremely slow right from the beginning text/html 2023-10-11T17:13:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/the_nas_power_consumption?rev=1697044405&do=diff The small NAS server: about power consumption The measurements were made and the writing started 2023-09-23. Writing completed 2023-10-11. Why measure the power consumption As power consumption of ICT equipment and power consumption in general have became popular subjects I decided to measure the power consumption of text/html 2023-02-24T21:57:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/ingo_weidner_analog_vs_digital_waldorf_blofeld?rev=1677275869&do=diff Ingo Weidner's Analog vs. Digital Soundset for Waldorf Blofeld Written in 2014. * The soundset reviewed: Ingo Weidner's “Analog vs. Digital” Soundset for Waldorf Blofeld synthesizer * Sounds: 128 (one Blofeld bank) * Price: 30 € including VAT text/html 2023-02-22T20:31:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/musiikki/mikrofonia_ostamassa?rev=1677097871&do=diff Mikrofonia ostamassa Kirjoitettu 2016. Totesin kevätkesällä 2016, että tarvitsen hyvän mikrofonin puheäänelleni. Siitä alkaa tämä tarina. Taustani Olen tehnyt aikoinaan hieman liveääni- ja studioäänihommia harrastusmielessä. Silloin oli tilanne se, että käytettiin niitä mikrofoneja, mitä sattui olemaan. Kaikki mikrofonit olivat yleensä dynaamisia. Kondensaattorimikit olivat kalliita harvinaisuuksia, joita oli lähinnä vain ammattilaisilla, ja niitä piti käsitellä varoen.… text/html 2023-02-26T17:32:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/system_description?rev=1677432730&do=diff About the design and implementation of Catz Written in 2011 so may contain outdated information. The key attributes * The service is stateless: the HTTP GET request's URL identifies the resource requested. There are no cookies nor sessions. * The public access is dynamic but read only. All data is loaded offline by a loader sumsystem. text/html 2025-09-20T12:54:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/d?rev=1758372847&do=diff Music: D A part of my music collection listing. Listing updated 2025-09-20. Music: C<<<<<< Music: E>>>>>> Artist Album Format Date Origin DGM Change Direction CD 18.8.2001 Veljekset Keskinen Tuuri DJ 2000 Häkkinen on ykkönen SD 1/2002 Anttila Asematunneli Helsinki DJ Bobo text/html 2025-09-20T12:54:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/deep_purple?rev=1758372847&do=diff Deep Purple A part of my music collection listing. Listing updated 2025-09-20. An artist page is available for artists having at least 5 items in the collection. Artist Album Format Date Origin Deep Purple Abandon CD 1999 Mere Tallinn Deep Purple Burn LP 31.8.2017 text/html 2025-09-20T12:54:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/l?rev=1758372847&do=diff Music: L A part of my music collection listing. Listing updated 2025-09-20. Music: K<<<<<< Music: M>>>>>> Artist Album Format Date Origin LOCA El Chocha Loca SD 1/2002 Anttila Asematunneli Helsinki La Bamba Original Motion Picture Soundtrack MC Labyrinth Labyrinth CD text/html 2025-09-20T12:54:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/w?rev=1758372847&do=diff Music: W A part of my music collection listing. Listing updated 2025-09-20. Music: V<<<<<< Music: X>>>>>> Artist Album Format Date Origin WASP Helldorado CD 2000 Veljekset Keskinen Tuuri WASP The Last Command MCR WASP WASP MCR 28.1.1984 Waltari Decade CD Stockmann Tampere text/html 2025-09-20T12:54:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/y?rev=1758372847&do=diff Music: Y A part of my music collection listing. Listing updated 2025-09-20. Music: X<<<<<< Music: Z>>>>>> Artist Album Format Date Origin YLE Radioteatteri Knalli ja sateenvarjo 12 (Paljastuksia puistossa, Kemiallista sodankäyntiä) CD YLE Radioteatteri Knalli ja sateenvarjo 14 (Ilmojen valtiaat, Crum-joen silta) text/html 2025-09-20T12:54:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/yle_radioteatteri?rev=1758372847&do=diff YLE Radioteatteri A part of my music collection listing. Listing updated 2025-09-20. An artist page is available for artists having at least 5 items in the collection. Artist Album Format Date Origin YLE Radioteatteri Knalli ja sateenvarjo 12 (Paljastuksia puistossa, Kemiallista sodankäyntiä) text/html 2023-02-22T22:33:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_bodies/canon_eos_40d?rev=1677105210&do=diff Canon EOS 40D Review created 2007, latest update 2009. catza.net photos: Canon EOS 40D Canon EOS 40D was my primary camera body from October 2007 to October 2009. It was a very good camera for my use. Changing from Canon 20D to 40D was partially an accident. I had a friend who needed a camera body at the same time when I was thinking whether to go with 20D for a year or so or to start looking for an upgrade. When the possiblity opened I decided to sell the 20D and then needed a replacement. T… text/html 2023-02-22T22:33:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_bodies/canon_eos_300d?rev=1677105187&do=diff Canon EOS 300D Review created 2005, latest update 2012. catza.net photos: Canon EOS 300D Canon EOS 300D (aka Digital Rebel, Digital Kiss) was the first SLR and DSLR body I have ever owned. I used it from September 2004 to December 2005 was very satisfied with it. It was great first DSLR and I took a huge leap forward with it as a photographer. Canon 300D had wonderful image quality and low noise to compared to the standards of that time. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/lensbaby_composer?rev=1677105451&do=diff Lensbaby Composer Review of Lensbaby Composer special lens. Review created 2010, latest update 2013. * catza.net photos: Lensbaby Composer & Double Glass Optic * catza.net photos: Lensbaby Composer & Single Glass Optic * catza.net photos: Lensbaby Composer & Soft Focus Optic Facts * the strangest lens: strange to use and you get strange results * text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/fujifilm_x_s1?rev=1677105451&do=diff Fujifilm X-S1 This Fujifilm X-S1 review was initially created May 2013 and was last updated September 2015. My general rating: recommended for those who need all-in-one camera with good ergonomics. * General photos shot with Fujifilm X-S1 * Naisten Kymppi 25.5.2014 with Fujifilm X-S1 * Roosters - Butchers 6.9.2014 with Fujifilm X-S1 Pros * Nice all-in-one camera for walkaarounds, trips and holidays. text/html 2023-02-23T23:27:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/kodak_advantix_f300?rev=1677194830&do=diff Kodak Advantix F300 The year of origin of this review is 2005. Tästä sivusta on suomenkielinen versio. The only film camera that I've ever owned was Kodak Advantix F300. It was in my active roster from 1999 to 2002. Before that I used to borrow cameras from friends and used one-time-use -cameras. Kodak Advantix was very cheap. If I can remember correctly it cost 179 FIM at Anttila sale. The camera was a fixed-focus point-and-shoot camera, but was based on APS film so it was by far the easiest … text/html 2024-07-14T19:07:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/200504_helsinki_stockholm_helsinki/93?rev=1720984078&do=diff Photo 93: Gun This photo is here only to prove that the Swedes do have guns! Photo 92: M/S Mariella<<<<<< Photo 94: Boat>>>>>> Page 4 · Full size · Vaihda kieli suomeksi [Gun] Photo 92: M/S Mariella<<<<<< Photo 94: Boat>>>>>> Page 4 · Full size · Vaihda kieli suomeksi text/html 2024-07-14T19:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/valokuvaus/valokuvat/200504_helsinki_stockholm_helsinki/93?rev=1720984082&do=diff Kuva 93: Tykki This photo is here only to prove that the Swedes do have guns! Kuva 92: M/S Mariella<<<<<< Kuva 94: Vene>>>>>> Sivu 4 · Täysi koko · Switch language to English [Tykki] Kuva 92: M/S Mariella<<<<<< Kuva 94: Vene>>>>>> Sivu 4 · Täysi koko · Switch language to English