Harry Kalogirou’s articles on game engines, graphics, scripting languages, and embedded systems, from Sylphis3D and FlyCraft to picoVM.https://kalogirou.net/https://kalogirou.net/2020/11/25/integrating-blockchain-secured-data-with-node-js-and-ebakusng/https://kalogirou.net/2020/11/25/integrating-blockchain-secured-data-with-node-js-and-ebakusng/A 2020 EbakusNG walkthrough showing database schemas and CRUD operations through a Node.js client, with examples of inserting and querying records.Wed, 25 Nov 2020 11:41:52 GMTUncategorizedHarKalhttps://kalogirou.net/2020/06/18/i-made-a-virtual-machine-interpreter-for-embedded-devices/https://kalogirou.net/2020/06/18/i-made-a-virtual-machine-interpreter-for-embedded-devices/Introducing picoVM, a small virtual machine for embedded devices: its design, instruction set, memory footprint, and a hello-world assembly example.Thu, 18 Jun 2020 11:49:46 GMTUncategorizedHarKalhttps://kalogirou.net/2020/05/18/my-first-contribution-to-the-inav-flight-controller-software/https://kalogirou.net/2020/05/18/my-first-contribution-to-the-inav-flight-controller-software/The new version of iNav flight controller software is coming out soon (currently in RC1) and it will contain some changes I did in order to improve the way iNav…Mon, 18 May 2020 19:45:02 GMTUncategorizedHarKalhttps://kalogirou.net/2018/04/16/ouroboros-casper-and-other-computer-science-masturbation-it-may-feel-good-but-you-dont-actually-get-anything-done/https://kalogirou.net/2018/04/16/ouroboros-casper-and-other-computer-science-masturbation-it-may-feel-good-but-you-dont-actually-get-anything-done/A 2018 opinion piece on blockchain consensus research, Ouroboros, Casper, and the gap between theoretical results and practical systems.Mon, 16 Apr 2018 10:17:12 GMTblockchainHarKalhttps://kalogirou.net/2017/03/30/flycraft-is-out-for-ios-and-android/https://kalogirou.net/2017/03/30/flycraft-is-out-for-ios-and-android/after many-many years the game I created for the October Challenge 2012 finally gets released on iOS and Android.Thu, 30 Mar 2017 13:55:51 GMTUncategorizedHarKalhttps://kalogirou.net/2017/03/27/flycraft-coming-to-ios-and-android-this-thursday/https://kalogirou.net/2017/03/27/flycraft-coming-to-ios-and-android-this-thursday/I know I have promised that a long time ago, but now it's real. After some work on weekends and a lot of back and forth with Apple, I have the game ready to be…Mon, 27 Mar 2017 14:05:52 GMTandroidFlyCraftGame DevelopmentiphoneHarKalhttps://kalogirou.net/2014/07/22/flycraft-herbie-crazy-machines-just-got-released/https://kalogirou.net/2014/07/22/flycraft-herbie-crazy-machines-just-got-released/The July 2014 launch of FlyCraft Herbie: Crazy Machines, a game about flying and crashing vehicles inspired by players’ creations.Tue, 22 Jul 2014 08:08:28 GMTGame DevelopmentHarKalhttps://kalogirou.net/2014/07/18/x-htm/https://kalogirou.net/2014/07/18/x-htm/After a redditor's suggestion I found out about this new service called epocu.com, that helps with marketing your game through a new interesting idea.Fri, 18 Jul 2014 11:08:50 GMTUncategorizedHarKalhttps://kalogirou.net/2014/07/16/new-herbie-adventure-coming-on-july-22/https://kalogirou.net/2014/07/16/new-herbie-adventure-coming-on-july-22/This was one crazy week for me. After so much hard work on the game, and finally submitting to three app stores on June 28, Apple managed to delay the release by…Wed, 16 Jul 2014 21:45:34 GMTUncategorizedHarKalhttps://kalogirou.net/2014/07/09/smart-app-shopper-shutting-down-on-july-17/https://kalogirou.net/2014/07/09/smart-app-shopper-shutting-down-on-july-17/Those of you following around my BlackBerry apps will probably know of my Smart App Shopper app.Wed, 09 Jul 2014 18:40:22 GMTUncategorizedHarKalhttps://kalogirou.net/2014/07/01/flycraft-herbie-crazy-machines-teaser-video/https://kalogirou.net/2014/07/01/flycraft-herbie-crazy-machines-teaser-video/So the new game is "FlyCraft Herbie: Crazy Machines". It is a FlyCraft spin off where you get to fly some premade vehicles that were inspired by players creations.Tue, 01 Jul 2014 11:44:47 GMTUncategorizedHarKalhttps://kalogirou.net/2014/06/16/second-flycraft-mini-game-coming/https://kalogirou.net/2014/06/16/second-flycraft-mini-game-coming/Summer is peaking here in Greece, the heat is becoming unbearable, but game developement is still strong.Mon, 16 Jun 2014 21:45:08 GMTGame DevelopmentHarKalhttps://kalogirou.net/2014/02/21/flappy-herbie-saga-trolls-of-the-forest/https://kalogirou.net/2014/02/21/flappy-herbie-saga-trolls-of-the-forest/Flappy Bird did it. The most simple game ever build at the top of every AppStore.Fri, 21 Feb 2014 01:01:48 GMTBlackBerryGame DevelopmentProgrammingSylphisHarKalhttps://kalogirou.net/2014/02/19/how-the-world-look-with-different-app-stores/https://kalogirou.net/2014/02/19/how-the-world-look-with-different-app-stores/Below are the revenue maps for my apps, from Apple App Store and BlackBerry World.Wed, 19 Feb 2014 12:46:42 GMTBlackBerryiphoneProgrammingSoftwareHarKalhttps://kalogirou.net/2013/10/31/happy-birthday-herbie/https://kalogirou.net/2013/10/31/happy-birthday-herbie/It is amazing how fast time can fly… is was exactly one year ago when FlyCraft was released on BlackBerry World.Thu, 31 Oct 2013 13:43:09 GMTBlackBerryGame DevelopmentiphoneHarKalhttps://kalogirou.net/2013/08/22/the-numbers-the-blackberry-world-and-s4bb/https://kalogirou.net/2013/08/22/the-numbers-the-blackberry-world-and-s4bb/A "scandal" hit the news recently that caused a lot of discussion and even BlackBerry itself was forced to publicly respond.Thu, 22 Aug 2013 14:19:38 GMTBlackBerryHarKalhttps://kalogirou.net/2013/03/13/flycraft-the-success-story/https://kalogirou.net/2013/03/13/flycraft-the-success-story/How FlyCraft went from an idea to release in 30 days: design tradeoffs, rapid iteration, BlackBerry launch sales, and lessons from the October Challenge.Wed, 13 Mar 2013 09:19:36 GMTGame DevelopmentSylphisHarKalhttps://kalogirou.net/2012/11/01/flycraft-got-released-we-have-the-dollar/https://kalogirou.net/2012/11/01/flycraft-got-released-we-have-the-dollar/FlyCraft’s October 2012 release report: completing the Ludum Dare October Challenge and earning the first sales on BlackBerry World.Thu, 01 Nov 2012 11:36:52 GMTGame DevelopmentHarKalhttps://kalogirou.net/2012/10/03/introducing-flycraft-for-the-october-challenge-2012/https://kalogirou.net/2012/10/03/introducing-flycraft-for-the-october-challenge-2012/Good day everyone! I am so glad to announce to you that I am taking part in the Ludum Dare October Challenge 2012!Wed, 03 Oct 2012 07:05:02 GMTGame DevelopmentHarKalhttps://kalogirou.net/2012/08/31/porting-your-ios-game-to-blackberry-playbook-and-future-bb10-phones/https://kalogirou.net/2012/08/31/porting-your-ios-game-to-blackberry-playbook-and-future-bb10-phones/Continuing after my latest post about porting existing iOS games written in C/C++ to the Android platform, here I am again writing about my latest porting endeavor…Fri, 31 Aug 2012 05:48:54 GMTGame DevelopmentiphoneOpenGLPop CornyProgrammingSylphisHarKalhttps://kalogirou.net/2012/08/25/impressed-by-the-new-blackberry-os-or-how-ios-ate-dust/https://kalogirou.net/2012/08/25/impressed-by-the-new-blackberry-os-or-how-ios-ate-dust/Since my last post you must already know that I was porting Pop Corny to Blackberry.Sat, 25 Aug 2012 10:19:58 GMTandroidHardwarePop CornyHarKalhttps://kalogirou.net/2012/08/22/porting-my-game-engine-to-the-playbook/https://kalogirou.net/2012/08/22/porting-my-game-engine-to-the-playbook/A 2012 development report on porting Pop Corny to BlackBerry PlayBook with native C++, OpenGL ES, OpenAL, and the QNX application lifecycle.Wed, 22 Aug 2012 10:42:47 GMTGame DevelopmentOpenGLPop CornyProgrammingSoftwareSylphisHarKalhttps://kalogirou.net/2012/08/01/porting-your-game-from-ios-to-android/https://kalogirou.net/2012/08/01/porting-your-game-from-ios-to-android/Lessons from porting Pop Corny from iOS to Android in 2012, covering the NDK, JNI, input, sound, graphics contexts, and asset loading.Wed, 01 Aug 2012 22:34:14 GMTandroidGame DevelopmentPop CornyProgrammingSoftwareSylphisHarKalhttps://kalogirou.net/2012/07/16/android-pop-corny-true/https://kalogirou.net/2012/07/16/android-pop-corny-true/Yeap it is true! Pop Corny is finaly available on Android devices. It was a huge effort trying to support all those diverse devices, but it is going better than I…Mon, 16 Jul 2012 10:22:38 GMTGame DevelopmentPop CornySylphisHarKalhttps://kalogirou.net/2012/07/02/322/https://kalogirou.net/2012/07/02/322/Successful iOS independent game Pop Corny comes to Android on July 15, 2012Mon, 02 Jul 2012 12:37:57 GMTGame DevelopmentPop CornyHarKalhttps://kalogirou.net/2012/06/18/writing-portable-code-a-process-full-of-gain/https://kalogirou.net/2012/06/18/writing-portable-code-a-process-full-of-gain/Practical lessons from porting a C++ game engine across platforms and compilers, including GCC, MSVC, and the bugs that portability work exposes.Mon, 18 Jun 2012 13:38:07 GMTGame DevelopmentiphonePop CornyProgrammingSoftwareSylphisHarKalhttps://kalogirou.net/2012/05/30/beta-testers-on-android-wanted-ask-inside/https://kalogirou.net/2012/05/30/beta-testers-on-android-wanted-ask-inside/If you follow me online you probably know that the last weeks I have been porting Pop Corny to Android.Wed, 30 May 2012 12:35:08 GMTGame DevelopmentPop CornyProgrammingSoftwareHarKalhttps://kalogirou.net/2012/05/14/c-concurrency-and-parallelism/https://kalogirou.net/2012/05/14/c-concurrency-and-parallelism/One of the blessings and curses of C++ is its Standardization Committee.Mon, 14 May 2012 10:58:29 GMTProgrammingSoftwareHarKalhttps://kalogirou.net/2012/05/11/linkz-things-i-found-interesting/https://kalogirou.net/2012/05/11/linkz-things-i-found-interesting/Links on the origins of ARM, programming, and technology that caught Harry Kalogirou’s attention in May 2012.Fri, 11 May 2012 12:28:38 GMTLinkz of the dayHarKalhttps://kalogirou.net/2012/04/09/launching-on-the-appstore-in-the-year-2012/https://kalogirou.net/2012/04/09/launching-on-the-appstore-in-the-year-2012/Today is somewhat an important day, as it is exactly 60 days since the day I can officially call myself a published indie game developer!Mon, 09 Apr 2012 18:03:59 GMTGame DevelopmentiphonePop CornySylphisHarKalhttps://kalogirou.net/2012/03/30/tag-cloud/https://kalogirou.net/2012/03/30/tag-cloud/I had some free time today and got the idea to create a tag cloud with the english reviews of Pop Corny.Fri, 30 Mar 2012 09:00:04 GMTGame DevelopmentPop CornyHarKalhttps://kalogirou.net/2012/03/22/pop-corny-is-the-free-game-of-the-day/https://kalogirou.net/2012/03/22/pop-corny-is-the-free-game-of-the-day/Yeap! Thats right! Pop Corny if free today thanks to the kind people at OpenFeint's - FGOTD.Thu, 22 Mar 2012 11:16:31 GMTUncategorizedHarKalhttps://kalogirou.net/2012/03/13/status-update-for-pop-corny/https://kalogirou.net/2012/03/13/status-update-for-pop-corny/Pheuuu! That was a long week that passed. Worked all day for most of the last days to get the update for Pop Corny ready, but I think that it was totally worth it.Tue, 13 Mar 2012 20:58:54 GMTUncategorizedHarKalhttps://kalogirou.net/2012/02/08/my-game-design-hat/https://kalogirou.net/2012/02/08/my-game-design-hat/One of the main traits that an indie developer must cultivate is that of wearing many hats.Wed, 08 Feb 2012 09:23:15 GMTGame DevelopmentPop CornyProgrammingSoftwareSylphisHarKalhttps://kalogirou.net/2012/02/03/pop-corny-is-out/https://kalogirou.net/2012/02/03/pop-corny-is-out/I am proud to announce to you the release of my first game "Pop Corny".Fri, 03 Feb 2012 23:55:37 GMTUncategorizedHarKalhttps://kalogirou.net/2012/02/01/pop-corny-trailer-released/https://kalogirou.net/2012/02/01/pop-corny-trailer-released/Yesterday I released the teaser trailer for my upcoming game "Pop Corny". The game is about to hit the AppStore and I really hope you like it!Wed, 01 Feb 2012 17:46:19 GMTUncategorizedHarKalhttps://kalogirou.net/2012/01/26/unveiling-pop-corny/https://kalogirou.net/2012/01/26/unveiling-pop-corny/Honestly I can't really describe how excited I am to finally be able to announce my first game!Thu, 26 Jan 2012 10:36:32 GMTGame DevelopmentiphoneSylphisHarKalhttps://kalogirou.net/2011/08/08/take-your-time-off/https://kalogirou.net/2011/08/08/take-your-time-off/Check out my latest post at: altdevblogadayMon, 08 Aug 2011 09:20:58 GMTGame DevelopmentPersonalHarKalhttps://kalogirou.net/2011/07/22/predictable-garbage-collection-with-lua/https://kalogirou.net/2011/07/22/predictable-garbage-collection-with-lua/A historical Lua GC patch that checks elapsed time between collection steps, with the original diff, timing function, and game-loop usage.Fri, 22 Jul 2011 21:00:32 GMTGame DevelopmentOpen SourceProgrammingSoftwareSylphisHarKalhttps://kalogirou.net/2011/06/25/from-python-to-lua/https://kalogirou.net/2011/06/25/from-python-to-lua/Lessons from moving the Sylphis3D game engine from Stackless Python to Lua on iOS, focusing on memory management and frame-time consistency.Sat, 25 Jun 2011 18:51:23 GMTGame DevelopmentProgrammingSoftwareSylphisHarKalhttps://kalogirou.net/2011/06/14/joined-altdevblogaday/https://kalogirou.net/2011/06/14/joined-altdevblogaday/Yesterday I was accepted to AltDevBlogADay as a writer. For those not familiar with AltDevBlogADay, is a group of game developers (generally found on Twitter) that…Tue, 14 Jun 2011 06:34:21 GMTGame DevelopmentHarKalhttps://kalogirou.net/2011/04/08/sylphis3d-lighting-shadows-physics-demonstration/https://kalogirou.net/2011/04/08/sylphis3d-lighting-shadows-physics-demonstration/This is some "memory lane" kind of post. As you probably already know, I am working on an iOS port of Sylphis3d lately and I have been going through some old videos…Fri, 08 Apr 2011 18:24:47 GMTGame DevelopmentSoftwareSylphisHarKalhttps://kalogirou.net/2011/03/31/something-moving-in-the-shadows/https://kalogirou.net/2011/03/31/something-moving-in-the-shadows/I have been spending quite some time the last months working on a port of the Sylphis3d game engine to the iPhone.Thu, 31 Mar 2011 20:36:19 GMTGame DevelopmentiphoneSylphisHarKalhttps://kalogirou.net/2011/02/19/orientation-film-one-the-autosleep-app/https://kalogirou.net/2011/02/19/orientation-film-one-the-autosleep-app/My dearest of friends, Thanasis Lightbridge, made this awesome cult retro film for AutoSleep.Sat, 19 Feb 2011 20:48:47 GMTiphonePersonalSoftwareHarKalhttps://kalogirou.net/2010/12/22/autosleep-music-timer-hits-the-appstore/https://kalogirou.net/2010/12/22/autosleep-music-timer-hits-the-appstore/I just released a new application on the AppStore and wanted to share the joy!Wed, 22 Dec 2010 12:28:05 GMTiphoneSoftwareHarKalhttps://kalogirou.net/2010/11/28/optimizing-script-language-performance-with-custom-memory-allocators/https://kalogirou.net/2010/11/28/optimizing-script-language-performance-with-custom-memory-allocators/Experiments with Lua/Python memory allocation on desktop and iPhone: why faster allocation alone fell short, and how data locality improved performance.Sun, 28 Nov 2010 22:11:37 GMTGame DevelopmentiphoneProgrammingSoftwareHarKalhttps://kalogirou.net/2010/10/27/having-both-mac-osx-and-iphone-targets-in-xcode/https://kalogirou.net/2010/10/27/having-both-mac-osx-and-iphone-targets-in-xcode/I have a library (guess what that is!) for use in the iPhone. For the library I have an XCode project with two targets.Wed, 27 Oct 2010 10:01:48 GMTiphoneProgrammingHarKalhttps://kalogirou.net/2008/12/10/my-first-contribution-to-django/https://kalogirou.net/2008/12/10/my-first-contribution-to-django/about 2 weeks ago I created a multilingual version slugify for django! You can find the code here.Wed, 10 Dec 2008 13:50:43 GMTUncategorizedHarKalhttps://kalogirou.net/2008/11/21/gmail-themes/https://kalogirou.net/2008/11/21/gmail-themes/Google added themes to GMail! You can access it under the tab "Themes" in the settings.Fri, 21 Nov 2008 12:40:12 GMTUncategorizedHarKalhttps://kalogirou.net/2008/11/13/symfony-ruby-on-rails-and-django-the-unsual-review-part-2/https://kalogirou.net/2008/11/13/symfony-ruby-on-rails-and-django-the-unsual-review-part-2/A 2008 comparison of Rails and Django covering internationalization, Unicode, deployment, migrations, and the development experience on Windows.Thu, 13 Nov 2008 20:40:05 GMTUncategorizedHarKalhttps://kalogirou.net/2008/11/01/symfony-ruby-on-rails-and-django-the-unsual-review-part-1/https://kalogirou.net/2008/11/01/symfony-ruby-on-rails-and-django-the-unsual-review-part-1/I spent the last week trying out web frameworks. I thought it was time to move on from my own hacked PHP scripts to something more elaborate.Sat, 01 Nov 2008 20:57:59 GMTUncategorizedHarKalhttps://kalogirou.net/2008/09/26/the-google-when-it-all-started/https://kalogirou.net/2008/09/26/the-google-when-it-all-started/I was looking for older versions of my home page in the web archive when it occurred to me that I can't remember how the Google search page looked when the project…Fri, 26 Sep 2008 10:39:03 GMTUncategorizedHarKalhttps://kalogirou.net/2008/09/13/hackers-attack-large-hadron-collider/https://kalogirou.net/2008/09/13/hackers-attack-large-hadron-collider/It seems that hackers started to attack the everywhere-in-the-news-collider! According to this article they successfully managed to crack the cmsmon.cern.ch web site!Sat, 13 Sep 2008 09:48:20 GMTUncategorizedHarKalhttps://kalogirou.net/2008/09/02/picasa-with-facial-recognition/https://kalogirou.net/2008/09/02/picasa-with-facial-recognition/According to this post at CNET Google has implemented facial recognition in to the latest version of their photo management software Picasa!Tue, 02 Sep 2008 14:51:21 GMTUncategorizedHarKalhttps://kalogirou.net/2008/09/01/videoclip-for-goddess-released/https://kalogirou.net/2008/09/01/videoclip-for-goddess-released/I am so excited to inform you that the video clip I was talking about earlier was released!Mon, 01 Sep 2008 13:04:15 GMTMusicPersonalHarKalhttps://kalogirou.net/2008/08/01/trying-out-twitter/https://kalogirou.net/2008/08/01/trying-out-twitter/Hola, my dear friends! I'm going to give Twitter a try after all... care to follow?Fri, 01 Aug 2008 07:19:38 GMTPersonalHarKalhttps://kalogirou.net/2008/04/18/python-easter-egg/https://kalogirou.net/2008/04/18/python-easter-egg/A short Python Easter egg from the Thoughts Serializer archive, published in April 2008.Fri, 18 Apr 2008 22:14:40 GMTProgrammingHarKalhttps://kalogirou.net/2008/03/24/hollywood-directors-beware/https://kalogirou.net/2008/03/24/hollywood-directors-beware/With great pleasure I inform you that my first video clip is complete! No I am not singing..Mon, 24 Mar 2008 09:39:16 GMTOpen SourcePersonalHarKalhttps://kalogirou.net/2008/03/22/ray-tracing-into-a-sparse-voxel-octree/https://kalogirou.net/2008/03/22/ray-tracing-into-a-sparse-voxel-octree/Notes on ray tracing with sparse voxel octrees and the possibilities for rendering complex scenes using hierarchical voxel data.Sat, 22 Mar 2008 01:00:39 GMTGame DevelopmentProgrammingHarKalhttps://kalogirou.net/2008/02/05/nvidia-to-acquire-ageia-technologies/https://kalogirou.net/2008/02/05/nvidia-to-acquire-ageia-technologies/According to this press release, nVidia will acquire Ageia Technologies.Tue, 05 Feb 2008 23:05:09 GMTGame DevelopmentHardwareProgrammingUncategorizedHarKalhttps://kalogirou.net/2008/01/25/farewell-anthony/https://kalogirou.net/2008/01/25/farewell-anthony/Its been a week since my dear friend Anthony was forced out of this world by that cursed disease. Nothing is the same. The void is just to big to ever be filled.Fri, 25 Jan 2008 08:42:53 GMTPersonalUncategorizedHarKalhttps://kalogirou.net/2007/10/23/disabling-the-nvidia-system-sentinel-power-indicator/https://kalogirou.net/2007/10/23/disabling-the-nvidia-system-sentinel-power-indicator/If you remember my last post about the power indicator problem I have, with my nVidia based video card, I finally managed to fix it!Tue, 23 Oct 2007 07:25:53 GMTHardwareHarKalhttps://kalogirou.net/2007/10/10/my-brain-is-blue/https://kalogirou.net/2007/10/10/my-brain-is-blue/Of all the brain types, yours is the most mellow. You tend to be in a meditative state most of the time.Wed, 10 Oct 2007 09:56:47 GMTPersonalHarKalhttps://kalogirou.net/2007/10/05/software-engineering-proverbs/https://kalogirou.net/2007/10/05/software-engineering-proverbs/Q: How many QA testers does it take to change a lightbulb? A: QA testers don't change anything. They just report that it's dark.Fri, 05 Oct 2007 21:50:38 GMTProgrammingHarKalhttps://kalogirou.net/2007/10/03/nokia-6300-cant-use-bluetooth-handsfree/https://kalogirou.net/2007/10/03/nokia-6300-cant-use-bluetooth-handsfree/Crap! Remember my post the other day about the bluetooth handsfree (Nokia BH-700) I bought? It turns out that my Nokia 6300 has a major problem with bluetooth handsfrees.Wed, 03 Oct 2007 20:29:15 GMTHardwarePersonalHarKalhttps://kalogirou.net/2007/10/03/iphone-and-usability/https://kalogirou.net/2007/10/03/iphone-and-usability/I was looking at all this ads and videos on YouTube about the iPhone and I must say it is a wonderful gadget!Wed, 03 Oct 2007 07:40:13 GMTHardwarePersonalHarKalhttps://kalogirou.net/2007/09/30/qos-in-technology-shops-in-greece/https://kalogirou.net/2007/09/30/qos-in-technology-shops-in-greece/Is it that the "technology shops" and mobile phone shops hire stupid employees or I'm just too weird in what I want?Sun, 30 Sep 2007 13:49:16 GMTPersonalHarKalhttps://kalogirou.net/2007/09/28/my-ceb2abbler-coldfusion/https://kalogirou.net/2007/09/28/my-ceb2abbler-coldfusion/If you where a compiler and you would like to express yourself about an index that was mistakenly out of bounds what would you say?Fri, 28 Sep 2007 05:31:52 GMTProgrammingUncategorizedHarKalhttps://kalogirou.net/2007/09/27/video-tutorials-about-saving-time/https://kalogirou.net/2007/09/27/video-tutorials-about-saving-time/Today I came across the site waitless.com. Its about saving time from little tasks that you do on everyday life, like taking off a t-shirt or pealing an egg.Thu, 27 Sep 2007 12:47:51 GMTUncategorizedHarKalhttps://kalogirou.net/2007/09/27/double-check-your-excel/https://kalogirou.net/2007/09/27/double-check-your-excel/Do you trust Microsoft Excel to do your financial plans? Do you count on it for business matters? Do you even use it as a calculator?Thu, 27 Sep 2007 07:30:25 GMTProgrammingSoftwareHarKalhttps://kalogirou.net/2007/09/26/my-nvidia-7600-runs-with-a-carburetor/https://kalogirou.net/2007/09/26/my-nvidia-7600-runs-with-a-carburetor/As the days get colder and colder I'm starting to have a problem with my video card.Wed, 26 Sep 2007 13:09:07 GMTHardwareHarKalhttps://kalogirou.net/2007/09/23/trip-to-thessaloniki/https://kalogirou.net/2007/09/23/trip-to-thessaloniki/This weekend I went to Thessaloniki. I have lots of good friends there that is always a pleasure to visit.Sun, 23 Sep 2007 19:01:33 GMTMusicPersonalHarKalhttps://kalogirou.net/2007/09/19/muse-at-athens-terra-vibe/https://kalogirou.net/2007/09/19/muse-at-athens-terra-vibe/Ok.. Muse at Athens. This is something I was waiting(dreaming) for! The band will be appearing at Terra Vibe on the 4th of October.Wed, 19 Sep 2007 08:01:15 GMTMusicPersonalHarKalhttps://kalogirou.net/2007/09/07/my-lastfm/https://kalogirou.net/2007/09/07/my-lastfm/Hello I finally signed up at last.fm! I find this kind of music-social network very interesting after all!Fri, 07 Sep 2007 23:39:39 GMTMusicPersonalHarKalhttps://kalogirou.net/2007/08/28/getting-started-again-true-megatexture/https://kalogirou.net/2007/08/28/getting-started-again-true-megatexture/It been a long time since this blog was updated, I know! Well I was kind of busy lately.Tue, 28 Aug 2007 10:45:45 GMTOpenGLProgrammingSylphisHarKalhttps://kalogirou.net/2007/06/19/f-the-police/https://kalogirou.net/2007/06/19/f-the-police/Some things just make me mad! I got a speeding ticket today that I didn't deserve.Tue, 19 Jun 2007 08:25:48 GMTPersonalHarKalhttps://kalogirou.net/2007/06/07/soldier-at-ease/https://kalogirou.net/2007/06/07/soldier-at-ease/Finally I am a free man! Yesterday, after one whole year, I completed my military service.Thu, 07 Jun 2007 10:33:28 GMTPersonalHarKalhttps://kalogirou.net/2007/06/05/the-last-drive/https://kalogirou.net/2007/06/05/the-last-drive/Even if Greece is full of rock bands, there are very little that get international attension.Tue, 05 Jun 2007 16:27:26 GMTMusicPersonalHarKalhttps://kalogirou.net/2007/06/04/meet-maya/https://kalogirou.net/2007/06/04/meet-maya/I would like to introduce you to my little dog! So people meet Maya. I always wanted to have a dog and now I got the chance.Mon, 04 Jun 2007 13:58:12 GMTPersonalHarKalhttps://kalogirou.net/2007/04/22/farbrausch/https://kalogirou.net/2007/04/22/farbrausch/farbrausch — a post from Harry Kalogirou’s Thoughts Serializer archive.Sun, 22 Apr 2007 12:33:06 GMTDirectXHarKalhttps://kalogirou.net/2007/04/17/down-with-the-flu/https://kalogirou.net/2007/04/17/down-with-the-flu/I'm in bed with the flu today. Such an off-timed thing to happen :( It was probably due to the great weather instability we experience the last days...Tue, 17 Apr 2007 18:46:24 GMTPersonalHarKalhttps://kalogirou.net/2007/04/12/24-hours-and-3gb-later/https://kalogirou.net/2007/04/12/24-hours-and-3gb-later/Its been almost 24 hours since the release of Sylphis3D and the sourceforge shows that 3GBytes were downloaded already about 10 e-mails expressing unbounded…Thu, 12 Apr 2007 12:57:49 GMTOpen SourceSoftwareSylphisHarKalhttps://kalogirou.net/2007/04/11/the-wait-is-over-sylphis3d-is-open-source/https://kalogirou.net/2007/04/11/the-wait-is-over-sylphis3d-is-open-source/I just release the source to Sylphis3D! Check out the story at the Developer Network.Wed, 11 Apr 2007 14:29:59 GMTGame DevelopmentOpen SourceOpenGLProgrammingSoftwareHarKalhttps://kalogirou.net/2007/04/10/tomorrow-the-release/https://kalogirou.net/2007/04/10/tomorrow-the-release/The time has come... tomorrow is the release day of Sylphis3D as an open source project.Tue, 10 Apr 2007 19:58:56 GMTGame DevelopmentOpen SourceProgrammingSoftwareSylphisHarKalhttps://kalogirou.net/2007/04/07/open-sourcing-progress-update/https://kalogirou.net/2007/04/07/open-sourcing-progress-update/As an update, I inform you that I'm pasting the license on the source files and getting the release ready.Sat, 07 Apr 2007 14:21:27 GMTGame DevelopmentProgrammingSylphisUncategorizedHarKalhttps://kalogirou.net/2007/04/05/opensource-license/https://kalogirou.net/2007/04/05/opensource-license/The last days I'm spending most of my time considering open source licenses and what would be the appropriate license for Sylphis3D.Thu, 05 Apr 2007 14:27:05 GMTGame DevelopmentOpen SourceSoftwareSylphisHarKalhttps://kalogirou.net/2007/03/31/no-second-carnival-of-game-programming/https://kalogirou.net/2007/03/31/no-second-carnival-of-game-programming/It's been a month since the last Carnival of Game Programming and unfortunately there is not going to be a second one.Sat, 31 Mar 2007 18:51:09 GMTDirectXGame DevelopmentOpenGLProgrammingHarKalhttps://kalogirou.net/2007/03/27/sylphis3d-goes-open-source-bsd-or-gpl/https://kalogirou.net/2007/03/27/sylphis3d-goes-open-source-bsd-or-gpl/I think this is good news on the doorstep today! Yeap! After long thoughts I came to the decision to finally open the source code of Sylphis3D.Tue, 27 Mar 2007 21:05:34 GMTGame DevelopmentOpen SourceOpenGLProgrammingSoftwareSylphisHarKalhttps://kalogirou.net/2007/03/05/carnival-of-game-programming-no-1/https://kalogirou.net/2007/03/05/carnival-of-game-programming-no-1/Welcome to the first Carnival of Game Programming! This carnival is about anything that game programming can involve.Mon, 05 Mar 2007 14:03:43 GMTUncategorizedHarKalhttps://kalogirou.net/2007/02/26/reminder-the-carnival-of-game-programming/https://kalogirou.net/2007/02/26/reminder-the-carnival-of-game-programming/Hello everybody... I would like to remind you of the upcoming Carnival of Game Programming.Mon, 26 Feb 2007 11:53:59 GMTUncategorizedHarKalhttps://kalogirou.net/2007/02/09/megatexture-hype/https://kalogirou.net/2007/02/09/megatexture-hype/Is it just me, or any other of you think that the Megatexture technology that the advanced DOOM 3 engine is going to provide is just nonsense?Fri, 09 Feb 2007 20:07:46 GMTUncategorizedHarKalhttps://kalogirou.net/2007/02/06/nvidia-unveils-cuba-the-gpu-computing-revolution/https://kalogirou.net/2007/02/06/nvidia-unveils-cuba-the-gpu-computing-revolution/In a recent press release nVidia anounced CUBA. A fundamentaly new architecture for GPU computing that will finally remove the stream computing paradigm!Tue, 06 Feb 2007 23:54:23 GMTUncategorizedHarKalhttps://kalogirou.net/2007/02/06/carnival-of-game-programming/https://kalogirou.net/2007/02/06/carnival-of-game-programming/I would like to inform you that the Carnival of Game Programming was started at Blog Carnival.Tue, 06 Feb 2007 20:27:23 GMTUncategorizedHarKalhttps://kalogirou.net/2007/01/15/carnival-of-game-production/https://kalogirou.net/2007/01/15/carnival-of-game-production/It is my pleasure to announce that my article Stackless Python was included in the first ever published Carnival of Game Production!Mon, 15 Jan 2007 18:52:24 GMTUncategorizedHarKalhttps://kalogirou.net/2006/12/26/happy-holidays/https://kalogirou.net/2006/12/26/happy-holidays/I wish to all of you to have nice and relaxing holidays, with lots of fun and happiness!Tue, 26 Dec 2006 15:09:05 GMTUncategorizedHarKalhttps://kalogirou.net/2006/12/10/ruby-and-the-dont-speek-of-the-devil-culture/https://kalogirou.net/2006/12/10/ruby-and-the-dont-speek-of-the-devil-culture/As a constantly inquiring mind I don’t seem to rest with programming languages.Sun, 10 Dec 2006 13:44:24 GMTUncategorizedHarKalhttps://kalogirou.net/2006/12/02/wordpress-upgraded-and-new-theme/https://kalogirou.net/2006/12/02/wordpress-upgraded-and-new-theme/Today I got in the mood of upgrading. Until now I was running Wordpress 1.5 on this website.Sat, 02 Dec 2006 18:26:43 GMTUncategorizedHarKalhttps://kalogirou.net/2006/11/29/dol-ammad-ocean-dynamics/https://kalogirou.net/2006/11/29/dol-ammad-ocean-dynamics/I normally don't write posts about music. But this is going to change. The last months I got to know a briliantly talented and gifted person : Thanasis Lightbridge.Wed, 29 Nov 2006 22:04:15 GMTMusicHarKalhttps://kalogirou.net/2006/11/22/hdr-procedural-skies/https://kalogirou.net/2006/11/22/hdr-procedural-skies/The under development branch of Sylphis3D is going to support high quality terrain rendering.Wed, 22 Nov 2006 22:20:09 GMTGame DevelopmentOpenGLProgrammingSylphisHarKalhttps://kalogirou.net/2006/10/11/the-new-pc-arrived/https://kalogirou.net/2006/10/11/the-new-pc-arrived/I just got the new PC for the office... Check this specs out :Wed, 11 Oct 2006 12:19:26 GMTGame DevelopmentHardwareUncategorizedHarKalhttps://kalogirou.net/2006/08/08/the-village-i-come-from/https://kalogirou.net/2006/08/08/the-village-i-come-from/Recently the village my father was born in got a web site! The village is located in the Pindus mountains in Epirus, in northwest Greece, 90km north to Ioannina and…Tue, 08 Aug 2006 18:25:03 GMTPersonalHarKalhttps://kalogirou.net/2006/07/15/i-am-back/https://kalogirou.net/2006/07/15/i-am-back/Well for those that noticed my absence, I'm back! I apologize for all this time that the blog was silent. You can go ahead and submit you complaints at http://www.haf.gr.Sat, 15 Jul 2006 21:44:38 GMTPersonalHarKalhttps://kalogirou.net/2006/05/20/how-to-do-good-bloom-for-hdr-rendering/https://kalogirou.net/2006/05/20/how-to-do-good-bloom-for-hdr-rendering/Create broad HDR bloom by combining Gaussian blurs at multiple resolutions. A Sylphis3D rendering walkthrough with original image comparisons.Sat, 20 May 2006 18:32:58 GMTDirectXGame DevelopmentOpenGLProgrammingSylphisHarKalhttps://kalogirou.net/2006/05/15/hdrr-screenshots/https://kalogirou.net/2006/05/15/hdrr-screenshots/Here are some screenshots of the HDRR implementation in Sylphis3D. Sylphis3D is now capable of HDRR on video cards starting from ATI Radeon 9600 and nVidia FX5200 and up.Mon, 15 May 2006 14:06:20 GMTGame DevelopmentOpenGLSylphisHarKalhttps://kalogirou.net/2006/05/12/programmable-gpus-and-the-programming-method/https://kalogirou.net/2006/05/12/programmable-gpus-and-the-programming-method/Working heavily on pixel shaders the last few days, I came to realize some facts about the current way of treating the GPUs and how that way is…Fri, 12 May 2006 07:22:15 GMTDirectXGame DevelopmentHardwareOpenGLProgrammingSoftwareSylphisHarKalhttps://kalogirou.net/2006/05/11/hdr-lighting-possibilities/https://kalogirou.net/2006/05/11/hdr-lighting-possibilities/The sillent blog the last few days is due to the heavy work going on in Sylphis3D...Thu, 11 May 2006 06:29:25 GMTGame DevelopmentOpenGLProgrammingSylphisHarKalhttps://kalogirou.net/2006/05/10/attacked-by-the-spammers/https://kalogirou.net/2006/05/10/attacked-by-the-spammers/The last days my blog is under attack! Comment spammers have targeted it and I get arround 50 spam comments every day.Wed, 10 May 2006 07:40:02 GMTPersonalHarKalhttps://kalogirou.net/2006/05/05/google-photo-management-picasa-2/https://kalogirou.net/2006/05/05/google-photo-management-picasa-2/Having a digital camera at my disposal for the last 4 years, I can tell you: Photographs are a big load of data to manage.Fri, 05 May 2006 17:46:34 GMTSoftwareHarKalhttps://kalogirou.net/2006/04/23/first-there-was-doom-3-then-quake-4-and-now-prey/https://kalogirou.net/2006/04/23/first-there-was-doom-3-then-quake-4-and-now-prey/First there was DOOM 3, then there was Quake 4. You could easily say that Quake 4 was an expansion to DOOM 3.Sun, 23 Apr 2006 22:34:59 GMTGame DevelopmentHarKalhttps://kalogirou.net/2006/04/20/washing-the-car-after-4-months/https://kalogirou.net/2006/04/20/washing-the-car-after-4-months/Of cource you know Murphy's Laws about washing your car. I tell you they are all true.Thu, 20 Apr 2006 16:45:24 GMTPersonalHarKalhttps://kalogirou.net/2006/04/18/running-azureus-with-128mb-ram/https://kalogirou.net/2006/04/18/running-azureus-with-128mb-ram/Do you want to do a fun thing? Try running Azureus on a laptop running Debian with 128MB of RAM...Tue, 18 Apr 2006 22:25:26 GMTOpen SourceProgrammingHarKalhttps://kalogirou.net/2006/04/17/opengl-render-to-texture-problems/https://kalogirou.net/2006/04/17/opengl-render-to-texture-problems/The time 1:52 in the morning and I just had those "OpenGL" moments again!Mon, 17 Apr 2006 22:04:02 GMTGame DevelopmentOpenGLProgrammingHarKalhttps://kalogirou.net/2006/04/16/oblivion/https://kalogirou.net/2006/04/16/oblivion/The last days I have been playing Oblivion... A very good game I must say!Sun, 16 Apr 2006 16:11:47 GMTPersonalHarKalhttps://kalogirou.net/2006/04/04/pypy-python-in-python/https://kalogirou.net/2006/04/04/pypy-python-in-python/It is a common thing in programming languages, and a sign of maturity to implement a language in the language itself.Tue, 04 Apr 2006 18:41:53 GMTOpen SourceProgrammingHarKalhttps://kalogirou.net/2006/03/22/memories-and-the-web-archive/https://kalogirou.net/2006/03/22/memories-and-the-web-archive/I don't know if you are familiar with the web archive. It is a site that archives the internet and allows users to view previous versions of websites or websites that…Wed, 22 Mar 2006 13:54:22 GMTPersonalHarKalhttps://kalogirou.net/2006/03/21/sylphis3d-now-uses-stackless-python-24/https://kalogirou.net/2006/03/21/sylphis3d-now-uses-stackless-python-24/Yesterday I upgraded the Stackless Python used in Sylphis3D. Until now I was using version 2.2.Tue, 21 Mar 2006 19:34:27 GMTGame DevelopmentProgrammingSylphisHarKalhttps://kalogirou.net/2006/03/16/sylphis3d-licensing-program/https://kalogirou.net/2006/03/16/sylphis3d-licensing-program/If you are interested in the licensing program for Sylphis3D you better check out the http://www.sylphis3d.com.Thu, 16 Mar 2006 17:41:52 GMTGame DevelopmentSylphisHarKalhttps://kalogirou.net/2006/03/15/considering-a-licensing-option-for-sylphis3d/https://kalogirou.net/2006/03/15/considering-a-licensing-option-for-sylphis3d/If you follow this blog for more that this post, you probably know the 3D game engine Sylphis3D.Wed, 15 Mar 2006 11:17:56 GMTGame DevelopmentProgrammingSylphisHarKalhttps://kalogirou.net/2006/03/12/googles-paycheck/https://kalogirou.net/2006/03/12/googles-paycheck/Hey I just got my first check from google's adsense program! Even if it's not much it makes hosting this site free!!!Sun, 12 Mar 2006 01:42:24 GMTPersonalHarKalhttps://kalogirou.net/2006/03/11/stackless-python-presentation/https://kalogirou.net/2006/03/11/stackless-python-presentation/Kristján Jónsson from CCP Games did a presentation about their use of Stackless python in their MMORPG game.Sat, 11 Mar 2006 01:55:14 GMTGame DevelopmentProgrammingSylphisHarKalhttps://kalogirou.net/2006/03/10/little-vacation/https://kalogirou.net/2006/03/10/little-vacation/Wondering what the silence is all about the last week? Well since I'm not going to the army for the next months, I decided to spend some time off...Fri, 10 Mar 2006 17:48:57 GMTPersonalHarKalhttps://kalogirou.net/2006/02/27/amazing-games/https://kalogirou.net/2006/02/27/amazing-games/Just try out these flash games... The games are simply brilliant, and really demonstrate the genius of their creator!Mon, 27 Feb 2006 13:15:53 GMTGame DevelopmentHarKalhttps://kalogirou.net/2006/02/26/the-247-internet-experience/https://kalogirou.net/2006/02/26/the-247-internet-experience/My ADSL line got activated yesterday! Until now I used to go online with a 56K modem over a phone line..Sun, 26 Feb 2006 18:16:51 GMTUncategorizedHarKalhttps://kalogirou.net/2006/02/16/multithreading-game-engines-for-multicore-machines/https://kalogirou.net/2006/02/16/multithreading-game-engines-for-multicore-machines/A 2006 design discussion on scaling game engines across CPU cores using worker pools, parallel loops, physics islands, and independent tasks.Thu, 16 Feb 2006 17:27:47 GMTGame DevelopmentProgrammingHarKalhttps://kalogirou.net/2006/02/14/status-update/https://kalogirou.net/2006/02/14/status-update/Ok... the party is over. The last few days was full! First of all I spend the weekend at Kastoria.Tue, 14 Feb 2006 20:52:10 GMTPersonalHarKalhttps://kalogirou.net/2006/02/08/got-it/https://kalogirou.net/2006/02/08/got-it/The race is over! The exams (oups.. presentation) started at 13:30!! It was over at 15:00... This is one hour and a half! The outcome: Success!!!Wed, 08 Feb 2006 18:52:18 GMTMaster ThesisProgrammingHarKalhttps://kalogirou.net/2006/02/08/waiting-for-the-presentation/https://kalogirou.net/2006/02/08/waiting-for-the-presentation/Here I am, waiting for my master's public presentation (which here are Ioannina means examination in public)...Wed, 08 Feb 2006 09:41:31 GMTMaster ThesisPersonalHarKalhttps://kalogirou.net/2006/02/07/game-development-in-greece/https://kalogirou.net/2006/02/07/game-development-in-greece/In the past I remember my self crying out all the time about the lack of game development in Greece.Tue, 07 Feb 2006 10:01:05 GMTGame DevelopmentHarKalhttps://kalogirou.net/2006/02/03/creating-a-benchmark-script-for-sylphis3d/https://kalogirou.net/2006/02/03/creating-a-benchmark-script-for-sylphis3d/Suppose that you want to benchmark a 3D game engine. What do you do? The common solution is:Fri, 03 Feb 2006 19:56:09 GMTSylphisHarKalhttps://kalogirou.net/2006/02/03/the-lake-of-ioannina/https://kalogirou.net/2006/02/03/the-lake-of-ioannina/The city I am about leave behind is the city of Ioannina. I've been living here for two and a half years now and I must say I quite enjoyed it.Fri, 03 Feb 2006 11:12:14 GMTPersonalHarKalhttps://kalogirou.net/2006/02/02/im-going-to-miss-coffee/https://kalogirou.net/2006/02/02/im-going-to-miss-coffee/Now that I'm going to the army, I'm really going to miss moments with friends at cafes.Thu, 02 Feb 2006 08:31:24 GMTPersonalHarKalhttps://kalogirou.net/2006/02/01/john-romero-hypes-it-up-again/https://kalogirou.net/2006/02/01/john-romero-hypes-it-up-again/I found this article today and its about Romero's new super game(again).Wed, 01 Feb 2006 23:15:53 GMTUncategorizedHarKalhttps://kalogirou.net/2006/02/01/happy-february/https://kalogirou.net/2006/02/01/happy-february/Happy February — a post from Harry Kalogirou’s Thoughts Serializer archive.Wed, 01 Feb 2006 12:00:28 GMTUncategorizedHarKalhttps://kalogirou.net/2006/01/30/power/https://kalogirou.net/2006/01/30/power/Many times I try to understand what power does to people. Trying to see what is it that makes people desire it so much and what is that that makes those that gain it…Mon, 30 Jan 2006 14:52:42 GMTPersonalHarKalhttps://kalogirou.net/2006/01/26/a-new-release-of-sylphis3d-is-coming/https://kalogirou.net/2006/01/26/a-new-release-of-sylphis3d-is-coming/I'm going to release a new version of Sylphis3D tomorrow. The new version includes support for the motion blur effect that was only shown on videos until now.Thu, 26 Jan 2006 22:07:36 GMTSylphisHarKalhttps://kalogirou.net/2006/01/25/ohh-ouu-ohh-you-are-in-the-army/https://kalogirou.net/2006/01/25/ohh-ouu-ohh-you-are-in-the-army/Yesterday there were bad news on the door step... The Greek Army decided that I have to serve my country!Wed, 25 Jan 2006 09:36:19 GMTPersonalHarKalhttps://kalogirou.net/2006/01/19/hell-loose-again/https://kalogirou.net/2006/01/19/hell-loose-again/Lately I'm playing DOOM again. Not the original DOOM, nor the famous DOOM 3.Thu, 19 Jan 2006 11:26:45 GMTPersonalHarKalhttps://kalogirou.net/2006/01/17/what-is-the-perl-6/https://kalogirou.net/2006/01/17/what-is-the-perl-6/Unfortunately noone can be told what Perl 6 is... You have to see it for yourself.Tue, 17 Jan 2006 14:07:23 GMTOpen SourceHarKalhttps://kalogirou.net/2006/01/01/happy-new-year/https://kalogirou.net/2006/01/01/happy-new-year/Happy new year my friends! I hope 2006 is going to give us more happiness and health, the rest will come!Sun, 01 Jan 2006 18:09:33 GMTUncategorizedHarKalhttps://kalogirou.net/2005/12/30/ruby-on-rails-first-look/https://kalogirou.net/2005/12/30/ruby-on-rails-first-look/Yes, the hype got me! I don't know if you noticed it, but lately everyone seems to be talking about Ruby on Rails.Fri, 30 Dec 2005 18:54:50 GMTOpen SourceProgrammingHarKalhttps://kalogirou.net/2005/12/28/3d-reconstruction-from-photographs/https://kalogirou.net/2005/12/28/3d-reconstruction-from-photographs/I just realised that all this time I talk about my thesis, while I never took the time to describe what I am doing!Wed, 28 Dec 2005 13:26:57 GMTMaster ThesisHarKalhttps://kalogirou.net/2005/12/26/shopping-for-man-and-woman/https://kalogirou.net/2005/12/26/shopping-for-man-and-woman/First of all... Merry Christmas to you all. I know it is a bit late but better now than never. I was unable to post the last days, since I was on vacation.Mon, 26 Dec 2005 22:53:12 GMTPersonalHarKalhttps://kalogirou.net/2005/12/13/48/https://kalogirou.net/2005/12/13/48/Lately I was forced to study some papers on compiler theory. You know: context-free, context-sensitive, boolean grammars etc.Tue, 13 Dec 2005 14:28:52 GMTPersonalHarKalhttps://kalogirou.net/2005/11/18/no-alarms-and-no-pretty-garden/https://kalogirou.net/2005/11/18/no-alarms-and-no-pretty-garden/A personal music post from the Thoughts Serializer archive, published in December 2005.Fri, 18 Nov 2005 11:02:31 GMTUncategorizedHarKalhttps://kalogirou.net/2005/11/11/exceptions-and-execution-speed/https://kalogirou.net/2005/11/11/exceptions-and-execution-speed/This post was triggered by a comment by Alex Hunsley on the Multithreaded Game Scripting post.Fri, 11 Nov 2005 23:24:04 GMTProgrammingHarKalhttps://kalogirou.net/2005/11/10/long-pause/https://kalogirou.net/2005/11/10/long-pause/Hey! I'm still alive! But a bit buried though... under tons of papers and articles.Thu, 10 Nov 2005 11:14:39 GMTMaster ThesisPersonaladminhttps://kalogirou.net/2005/10/18/southpark/https://kalogirou.net/2005/10/18/southpark/Found this very entertaining site today : South Park Studio. This is a flash application that allows you make South Park characters! The image is me, South Park style!Tue, 18 Oct 2005 11:51:16 GMTPersonalUncategorizedHarKalhttps://kalogirou.net/2005/10/12/zagorohoria/https://kalogirou.net/2005/10/12/zagorohoria/Living in Ioannina has many privileges. One of them is that the city is actually build in nature.Wed, 12 Oct 2005 11:01:45 GMTPersonalHarKalhttps://kalogirou.net/2005/10/06/the-plague-of-pbuffer-is-lifted/https://kalogirou.net/2005/10/06/the-plague-of-pbuffer-is-lifted/I finally got the time to remove the PBuffer support from Sylphis! Since I simply hate BPuffer, I've been planning this for some time now, but I never got the courage…Thu, 06 Oct 2005 07:13:06 GMTOpenGLPersonalHarKalhttps://kalogirou.net/2005/10/03/gcc-vs-msvc-the-rematch/https://kalogirou.net/2005/10/03/gcc-vs-msvc-the-rematch/Resolving the GCC/MSVC template error with the typename keyword required for dependent names in C++, following the original 2005 debugging report.Mon, 03 Oct 2005 20:41:48 GMTProgrammingHarKalhttps://kalogirou.net/2005/10/01/elks-baby-linux-refusing-to-growing-up/https://kalogirou.net/2005/10/01/elks-baby-linux-refusing-to-growing-up/A look back at ELKS, the Embeddable Linux Kernel Subset for 16-bit systems, and Harry Kalogirou’s work on networking and memory management.Sat, 01 Oct 2005 10:58:08 GMTOpen SourceProgrammingHarKalhttps://kalogirou.net/2005/09/28/gcc-vs-msvc/https://kalogirou.net/2005/09/28/gcc-vs-msvc/A 2005 C++ template portability problem between GCC 3.3.5 and MSVC, with the original example and a link to the dependent-name fix.Wed, 28 Sep 2005 20:40:48 GMTProgrammingSylphisHarKalhttps://kalogirou.net/2005/09/26/champions-again/https://kalogirou.net/2005/09/26/champions-again/Yes, it is true... after 18 years Greece gets the gold again at Eurobasket.Mon, 26 Sep 2005 08:45:37 GMTUncategorizedHarKalhttps://kalogirou.net/2005/09/24/edited-article/https://kalogirou.net/2005/09/24/edited-article/Yesterday I opened my e-mailbox and found a message from Tobias Robison.Sat, 24 Sep 2005 17:42:52 GMTPersonalSylphisHarKalhttps://kalogirou.net/2005/09/20/i-need-an-o1-scheduler/https://kalogirou.net/2005/09/20/i-need-an-o1-scheduler/Wow the last days was full! My master thesis is at a point where requires a lot of attention...Tue, 20 Sep 2005 07:48:05 GMTPersonalHarKalhttps://kalogirou.net/2005/09/18/we-were-slashdoted-baby/https://kalogirou.net/2005/09/18/we-were-slashdoted-baby/Woke up this Sunday morning to find out that the post I wrote some time ago about game scripting with stackless python was boldly enjoying a place at Slashdot's main…Sun, 18 Sep 2005 16:59:52 GMTPersonalProgrammingSylphisHarKalhttps://kalogirou.net/2005/09/17/the-army/https://kalogirou.net/2005/09/17/the-army/Recently a friend of mine joined the army. Every man in Greece must spend a year serving the Greek Army.Sat, 17 Sep 2005 08:31:32 GMTPersonalHarKalhttps://kalogirou.net/2005/09/13/illuminati-crap/https://kalogirou.net/2005/09/13/illuminati-crap/Yes they convinced me to read it after all. I'm referring to the book by Dan Braun.Tue, 13 Sep 2005 07:12:26 GMTUncategorizedHarKalhttps://kalogirou.net/2005/09/08/opengl-ranting/https://kalogirou.net/2005/09/08/opengl-ranting/As I said before on an other post, I'm a big bug stumbler. I'm attracted by them.Thu, 08 Sep 2005 09:00:49 GMTOpenGLProgrammingHarKalhttps://kalogirou.net/2005/09/07/c-stl-and-the-lack-of-update-in-heap-implementation/https://kalogirou.net/2005/09/07/c-stl-and-the-lack-of-update-in-heap-implementation/Why updating priorities in a C++ STL heap matters for algorithms such as A*, and the limitations of the standard heap interface.Wed, 07 Sep 2005 06:34:08 GMTOpen SourceProgrammingHarKalhttps://kalogirou.net/2005/09/06/some-things-are-soooo-boring/https://kalogirou.net/2005/09/06/some-things-are-soooo-boring/I can't get used to it. I simply can't. I just finished invigilation for "Computer Networks".Tue, 06 Sep 2005 14:24:09 GMTPersonalHarKalhttps://kalogirou.net/2005/09/05/game-engine-network-architecture/https://kalogirou.net/2005/09/05/game-engine-network-architecture/Lately I'm thinking a lot of implementing the networking part of Sylphis3D.Mon, 05 Sep 2005 09:26:47 GMTPersonalProgrammingHarKalhttps://kalogirou.net/2005/09/04/statistics/https://kalogirou.net/2005/09/04/statistics/This blog is alive for something more that a month now. So I thought is was a good time to run some statistics on the webserver logs -yes, I'm a statistics junkie-.Sun, 04 Sep 2005 16:05:49 GMTUncategorizedHarKalhttps://kalogirou.net/2005/09/03/all-tears-are-bitter/https://kalogirou.net/2005/09/03/all-tears-are-bitter/I must say I'm devastated by the tragedy taking place in the southern east U.S.A.Sat, 03 Sep 2005 08:14:33 GMTUncategorizedHarKalhttps://kalogirou.net/2005/08/28/alexacom/https://kalogirou.net/2005/08/28/alexacom/I don't know if you are familiar with www.alexa.com. I didn't until yesterday.Sun, 28 Aug 2005 19:20:04 GMTUncategorizedHarKalhttps://kalogirou.net/2005/08/26/maple/https://kalogirou.net/2005/08/26/maple/Thank god there is Maple... I was trying to calculate the analytical derivatives of a big function today.Fri, 26 Aug 2005 14:13:36 GMTMaster ThesisHarKalhttps://kalogirou.net/2005/08/24/blender-beast-under-5mb/https://kalogirou.net/2005/08/24/blender-beast-under-5mb/I've been watching closely Blender since it became open source. It was when I was looking for a modeler to be used with Sylphis3D.Wed, 24 Aug 2005 17:39:44 GMTOpen SourceSylphisHarKalhttps://kalogirou.net/2005/08/22/speed-limits-dont-need-them/https://kalogirou.net/2005/08/22/speed-limits-dont-need-them/Ok the driving speed limit problem is solved in Greece. The solution? Gas costing 1 euro per litre!Mon, 22 Aug 2005 13:08:41 GMTPersonalHarKalhttps://kalogirou.net/2005/08/20/quake-iii-engine-source-released/https://kalogirou.net/2005/08/20/quake-iii-engine-source-released/id did it! The source to the famous Quake III engine is out. The ftp site at id software is full of downloaders... get it while its hot!Sat, 20 Aug 2005 07:42:02 GMTOpen SourceProgrammingHarKalhttps://kalogirou.net/2005/08/17/the-trip-to-ithaka/https://kalogirou.net/2005/08/17/the-trip-to-ithaka/I our lives we learn to set goals. Set up bright beacons ahead of us so that we can follow in the dark sea.Wed, 17 Aug 2005 09:42:50 GMTUncategorizedHarKalhttps://kalogirou.net/2005/08/14/project-offset/https://kalogirou.net/2005/08/14/project-offset/Yesterday, I stumbled on Project Offset. It is about a 3D game engine. The released videos and screenshots are very impressive!Sun, 14 Aug 2005 19:29:09 GMTSylphisHarKalhttps://kalogirou.net/2005/08/14/quake-iii-source-to-be-released-under-the-gpl/https://kalogirou.net/2005/08/14/quake-iii-source-to-be-released-under-the-gpl/John Carmack noted at his QuakeCon speech that the source code of Quake III will be released next week!Sun, 14 Aug 2005 08:18:40 GMTOpen SourceProgrammingHarKalhttps://kalogirou.net/2005/08/10/multithreaded-game-scripting-with-stackless-python/https://kalogirou.net/2005/08/10/multithreaded-game-scripting-with-stackless-python/How Sylphis3D used Stackless Python tasklets for game actors, events, actions, and migration, with code examples from the original 2005 design.Wed, 10 Aug 2005 16:19:26 GMTProgrammingSylphisHarKalhttps://kalogirou.net/2005/08/08/river-party/https://kalogirou.net/2005/08/08/river-party/Yesterday I got back from the river party at Nestorio/Kastoria. It is a 4 day party at the banks of the river Aliakmonas.Mon, 08 Aug 2005 17:51:29 GMTPersonalHarKalhttps://kalogirou.net/2005/07/31/everything-that-has-a-beginning-has-an-end/https://kalogirou.net/2005/07/31/everything-that-has-a-beginning-has-an-end/You probably remember that quote from "The Matrix". It is a fact that I hate endings and that quote makes sure you don't forget that whatever begins now, will end…Sun, 31 Jul 2005 11:04:40 GMTPersonalHarKalhttps://kalogirou.net/2005/07/28/the-beach/https://kalogirou.net/2005/07/28/the-beach/I extended my last weekend till Tuesday since there was a festival at my village.Thu, 28 Jul 2005 17:23:12 GMTUncategorizedHarKalhttps://kalogirou.net/2005/07/22/an-other-contribution-to-opensource/https://kalogirou.net/2005/07/22/an-other-contribution-to-opensource/Ok... after a lot of hard work, I managed to implement RQ decomposition in SciPy.Fri, 22 Jul 2005 12:53:01 GMTMaster ThesisOpen SourceHarKalhttps://kalogirou.net/2005/07/21/rq-decomposition/https://kalogirou.net/2005/07/21/rq-decomposition/My master thesis requires a lot of maths and linear algebra. For the purpose I use SciPy.Thu, 21 Jul 2005 08:39:18 GMTMaster ThesisHarKalhttps://kalogirou.net/2005/07/20/migration-from-xfree86-to-xorg/https://kalogirou.net/2005/07/20/migration-from-xfree86-to-xorg/I don't know why but, I always wanted to get rid of xfree. It must be the traumatic childhood with it.Wed, 20 Jul 2005 08:31:03 GMTDebianHarKal