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February 08, 2010

Hello Jenny!

This is Jenny.

Jenny

Jenny just moved in with my parents on saturday. She's an 8 week old Golden Retriever puppy that got born on December 10th and her favourite pastime currently is sleeping… lots of sleeping.



She prefers the place in front of the porch door over anywhere else for her naps. Probably because that's where she can also keep an eye on us and make sure no one suddenly disappears.

When she's not dreaming of running and playing she spends her waking hours chewing on anything she can get her fangs on (most of which she is not supposed to gnaw on, but she's learning that), rummaging through the garden and playing with her two-legged mates.

She is very energetic and managed to keep me and my parents on our toes for the last days very well (and I'm still quite alert even though I'm now back at home with no dog in sight), but she's also a major cutie. I'm looking forward to the years to come :-)

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by foosel at February 08, 2010 09:36 PM

Personas - Poor Man's Firefox Themes

After upgrading my Arch desktop, I suddenly had a brand new Firefox version installed. One of the new features in Firefox 3.6 is a thing called “Personas”.

After reading a bit I found it to be a *very* simple way to build your very own Firefox theme. All you need to create are two images. That's it.

Of course I had to try it. And what's better than tentacles? Right, tentacles in your browser!

Get the Tentacle Theme now and enjoy a browser matching the one and only website:

Tags:
personas,
firefox,
themes,
tentacles
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Copyright © 2010 Andreas Gohr
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by Andi at February 08, 2010 09:22 PM

Avatar 3D

avatar.jpg

Okay, I'm probably one of the last people who went to see the Avatar movie. But I had really try hard for this one.

First friends asked us go go with them, but in the last moment we found out they had tickets for the German version only. I didn't want to spoil the fun with German dubbing. Then I tried to preorder some tickets but that didn't work so we went to the cinema on good luck. Of course we had none and it was sold out. The next day we wanted to go, the movie wasn't scheduled. So we finally got tickets for Sunday night. Not ideal but I really wanted to see that movie.

And boy, am I glad I did!

This was exactly as I always thought cinema would be in the year 2010. The 3D simply blew me away.

You probably read a lot about the Avatar story elsewhere so I will not bore you about it. It's not the exactly the most innovative story you've ever heard, but it isn't bad either. But the graphics of Avatar on the other hand are fantastic.

And that's not just that is in 3D. It would still be a graphically overwhelming film in 2D. The creatures and plants of the alien world Pandora are so full of details. The animal's movements are extremely realistic. But the most fascinating thing was that I could no longer tell how something in the movie was created. I mean, I couldn't tell if something was classical matte painting, 3D animation, real cinematography or painted models. All these techniques fused together to create an amazing experience.

So if you haven't seen this movie yet - go see it. There will be a lot more 3D movies over the next years, but this one is the start of a new era of cinema and you really should not miss it!

Tags:
avatar,
3d,
cinema,
movies
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Copyright © 2010 Andreas Gohr
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All contents (especially texts and images) are protected by copyright law and may not be republished outside of splitbrain.org or planet.dokuwiki.org without prior consent. Texts may be quoted in extracts under fair use policy. [digital fingerprint: sb97741286f601b4a0d496dc8bae242e6d]

by Andi at February 08, 2010 12:29 AM

February 05, 2010

Caching domain logon credentials for EAP PEAP/MSCHAP authentication: Security considerations


Recently, I have been investigating potential security implications when allowing windows supplicants to use the user's domain credentials (login/password) to preform EAP/802.1X authentication with the wireless infrastructure. This article outlines my findings and explains a security implications to take in consideration when deploying PEAP/MSCHAP.

by CodeAlias at February 05, 2010 03:53 AM

February 04, 2010

Wer braucht schon Multitasking?

Auch wenn ich mich ganz gern als Apple Fan abstempeln lasse (ja ich finde viele Apple Produkte wirklich sehr brauchbar) übertreiben es die “wirklichen” Fanboys leider viel zu oft mit ihrer Götzenverehrung. “Multitasking is Overrated” tönt es da aus theappleblog.com

Seit den frühen 60er Jahren war es ein Ziel Betriebssysteme Multitasking – fähig zu machen. Warum?
1) Um den Prozessor was zu tun zu geben
2) um MEHR ALS EIN PROGRAMM GLEICHZEITIG LAUFEN ZU LASSEN

Genau das ist der Grund für Multitasking, und zwar nicht, wie es von Apple auf dem iP(ap/hone/od Touch) vorgeführt wird (da “dürfen” nur ein paar (von Apple) ausgewählte Programme Multitasken) sondern das freie kombinieren bzw. laufen lassen beliebig vieler (zumindest solange die Hardware mitspielt) Programme. Niemand sollte mir aufzwingen können, welche Programme ich gleichzeitig benutzen kann!

Jetzt kann man natürlich damit argumentieren, dass der Otto-normal-Verbraucher total vom Konzept Multitasking überfordert ist und sowieso nicht zwischen den aktiven Fenstern unterscheiden kann. Aber auch Otto-normal-Bürohengst will gleichzeitig einen Wikipedia Artikel im Browser offen haben und die Definitionen daraus in sein Word hineinkopieren – vielleicht will er ja nebenbei noch Musik hören?

Apple hat es irgendwie geschafft eine so loyale Fangemeinde um sich herum aufzubauen die vehement alle Designentscheidungen (und Schwächen!) verteidigt und immer neuere und kreativere Argumente findet warum die bei anderen Herstellern seit Jahren übliche Praxis eigentlich eh kein Mensch braucht und nur Apple hat es erkannt und macht es richtig.
Apple Fanboys: Nicht alles was Apple macht ist gut! Lasst euch nicht ständig blenden und versucht nicht alle Designschwächen schön zu reden!

by xarumanx at February 04, 2010 08:14 AM

Declaring and initializing an array of structures in C


Under certain circumstances, you might need to work with an array of structures. The classic way to do this is to define the structure type, then instantiate and initialize an array of these structures after entering the main function. The C language offers other ways to work on arrays of structures. The following example shows how to build and initialize an array of structures in C in one instruction.

by CodeAlias at February 04, 2010 12:11 AM

February 03, 2010

Security of 1024bit RSA cryptography in the mid-term


The security of RSA cryptography relies on the integer factorization problem. Since the invention of the RSA algorithm, research on integer factorization has gained interest from governments and research institutions due to the consequences at stake should the security of the RSA algorithm becomes compromised.

by CodeAlias at February 03, 2010 01:24 AM

February 01, 2010

Snow

I don't like Winter or snow. But with several layers of clothing and the snow being white and powdery instead of gray and muddy I can appreciate its beauty.

Kaddi and me spent a long weekend in Braunlage (Harz) and enjoyed a marvelous “Winter Wonder World”.

It was wonderful, but I'm looking forward to Spring, now ;-).

Tags:
vacation,
photos,
snow,
winter
Similar posts:

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Copyright © 2010 Andreas Gohr
This feed is for personal, non commercial use in the subscriber's feedreader only.
All contents (especially texts and images) are protected by copyright law and may not be republished outside of splitbrain.org or planet.dokuwiki.org without prior consent. Texts may be quoted in extracts under fair use policy. [digital fingerprint: sb97741286f601b4a0d496dc8bae242e6d]

by Andi at February 01, 2010 08:45 PM

Austria Game Jam 2010

Austria Game Jam Logo Global Game Jam Logo

Vom 29. bis 31.1.2010 fand der Austria Game Jam in Wien statt, und spielend-programmieren1) war mit einem gesponserten Team von 4 KursteilnehmerInnen Theresa, Mira, Markus, Raphael dabei.

Aufgabe war es, zu einem vorgegebenem Thema innerhalb von 48 Stunden ein Computerspiel zu erstellen. Alle Einreichungen nahmen gleichzeitig am internationalen Global Game Jam teil.

Das fertige Spiel namens Monkey Döner (bestehend aus einem Adventurespiel, einem Actionspiel und einem Bonusspiel) steht sowohl auf der Homepage vom Global Game Jam als auch auf der Games-Seite von spielend-programmieren zum Download bereit.

Mein spezieller Dank gilt an dieser Stelle den Organisatoren Jürgen Musil, David Schwingenschlögl, Michel Doblhofer und Roland Moritz vom Austria Game Jam, die für einen sehr harmonischen & netten und Ablauf der Veranstaltung sorgten. Wie von anderen Organisatoren prophezeit kamen sie vor lauter Arbeit selber nicht zum „jammen“. Vielleicht nächstes Jahr.

Das spielend-programmieren Team fand während der Veranstaltung noch Zeit zur Erstellung eines Videos und von Pressefotos.
Video:

Das Adobe Flash Plugin wird benötigt, um diesen Ihnalt anzuzeigen.

Die Fotos in höhere Auflösungen gibt es auf http://www.flickr.com/photos/horstjens/sets/72157623326268356/ bzw einfach auf das Bild unten klicken:
Fotoset Austria Game Jam 2010 auf Flickr

Medienberichte

Links

Kommentar

1) in Gestalt von Kursleiter Horst JENS

by Horst JENS at February 01, 2010 12:46 PM

Primeiro, o macroscópico

Primeiro, o macroscópico

Uma vitória do hexacampeão brasileiro e com injustamente um homem a menos. Sem problemas, campeão é para isto mesmo. Nem vou botar a imagem do Império do Amor, mas parece que o Conca já sabia que os cinco gols na defesa, até então virgem, iriam calar (a menor) parte do Maracanã conca.jpg

Amanhã, eu conto como funciona meu microscópio USB, da primeira compra na DealExtreme.

by tjpp at February 01, 2010 11:40 AM

January 31, 2010

Someplace Else

Loneliness to the world,
Shunned by the people you loved.
Hopelessness to the future,
Stunned by the people you knew.

Not feeling wanted,
Saddened more than ever before.
Regretting decisions made,
Feeling depressed, feeling blue.

Wishing you were someplace else?
In a different type of place.
Wish you were someplace else?
Devoid of the human race?

Life is terrifying,
Each of us is all alone.
What is the truth in life, we ask,
As the two-faced people around us always lie.

Proud to yourself,
Being hurt by the people you trusted.
Thoughts no ever considered,
Downtrodden and hurt, you cry.

Wishing you were someplace else?
Not in this rat race.
Wish you were someplace else?
Devoid of the human race?

There’s no need to fear,
You don’t fit in here anyway.
Look up to the heavens,
Its someplace else beyond the sky.

Dreaming of a better future,
End the present failure.
Becoming the person you were born to be,
Leave the others behind to cry.

Wishing you were someplace else?
Wish of some place.
Wish you were someplace else,
Devoid of the human race!

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© Monjo.com

by monjo at January 31, 2010 09:03 PM

January 29, 2010

Benutzeridentifizierung 2.0

Wir wissen ja inzwischen alle: Google ist böse. Zumindest ein wenig. Google sammelt Benutzerdaten wo es nur möglich ist. Dazu verwendet man gerne ein paar Javascripts um die Klickgewohnheiten der Benutzer zu analysieren und kann sich so schön langsam ein umfassendes Bild des einzelnen Users machen. Wer einen Google – Account hat (und mal ehrlich, wer hat noch keinen?) macht es Google da noch viel einfacher, da können die gewonnenen Daten direkt einem Benutzernamen zugeordnet werden (ja, auch die Daten die Google sammelt wenn ihr nicht angemeldet seid beim Big Brother).

Die EFF hat nun ein sehr eindrucksvolles Beispiel online gestellt, wie man mit ein paar Javascripts den Browser selbst relativ eindeutig zuordnen kann. Durch die Auswertung der Daten, die ein Browser freiwillig her gibt (wie zum Beispiel die Anzahl der installierten Plugins samt Version und genauer Bezeichnung, Bildschirmauflösung, Installierten Schriftarten und so weiter) kann ein Browser recht eindeutig identifiziert und damit natürlich auch im Netz aufgespürt werden.

image

Wer gerne mal ausprobieren mag, wie einzigartig seine Browserkonfiguration ist: https://panopticlick.eff.org

(via Basic Thinking)

by xarumanx at January 29, 2010 12:39 PM

January 27, 2010

What is an implicit certificate?


As with conventional or “explicit” certificates, implicit certificates are made up of three parts: identification data, a public key and a digital signature which binds the public key to the user’s ID data and verifies that this binding is accepted by an authority (or trusted-third-party).

by CodeAlias at January 27, 2010 07:07 AM

January 26, 2010

Tentacle Pr0n

@tante asked for a logo for his new podcast named tentaclepr0n and this was just an opportunity for a ridiculous blog post title that was too good to pass ;-).

Here's the Inkscape SVG file: tentaclepr0n.svg – licensed under CC-BY-SA.

Tags:
tentaclepr0n,
logo,
svg

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Copyright © 2010 Andreas Gohr
This feed is for personal, non commercial use in the subscriber's feedreader only.
All contents (especially texts and images) are protected by copyright law and may not be republished outside of splitbrain.org or planet.dokuwiki.org without prior consent. Texts may be quoted in extracts under fair use policy. [digital fingerprint: sb97741286f601b4a0d496dc8bae242e6d]

by Andi at January 26, 2010 11:05 PM

January 23, 2010

pygame Vortrag im Metalab

Es war die erste öffentliche Probelesung vom PythonGameBook: Am 17.2.2010 hielt ich im Wiener Metalab einen Vortrag vor der Python User Group Austria (PYUGAT) zum Thema pygame-programmierung. Nach anfänglichen Problemchen mit Beamer und Grafikauflösung gelang es mir die Seiten vom PythonGameBook direkt per Beamer zu projezieren und praktisch vorzulesen. Mein extra zu Demonstrationszwecken gebautes Fang-den-Dieb-Spiel verhielt sich leider nicht wie geplant: trotz zahlreicher erfolgreicher Probespiele vor dem Vortrag gelang es mir nicht, den Dieb (ein rotes Dreieck) mit Hilfe der Polizei (ein blauer Kreis) beim Vortrag live einzufangen. Vielleicht sollte ich einen Anfängermodus mit vereinfachter Steuerung implementieren. Mein Verdacht dass meine cleanrect-Methode nicht ganz sauber programmiert war bestätigte sich leider: Während der Vorführung zeigten sich hässliche Linienartefakte.

Umso mehr freut es mich dass direkt im Anschluss an den Vortrag ein Zuhörer sein eigenes Breakout/Pong Spiel entwickelte.

Die pygame-sprite-Demo ist zwar (noch) kein eigenständiges Spiel, funktioniert aber sehr schön und entwickelt sich sicher noch zu einer Blaupause für pygame-Spiele.

Screenshot vom Fang-den-Dieb Spiel aus dem pythongamebook Screenshot der spritesdemo aus dem pythongamebook
Das Fang den Dieb-Spiel Die Spritedemo

Kottan

Für das fang-den-Dieb Spiel habe ich als Spielfläche einen Wien-Stadtplan vom openstreetmaps-Projekt verwendet. Kurz danach erstand ich käuflich eine DVD-Box mit allen Kottan-Filmen. Und jetzt, beim genüsslichen schwelgen in alten Fernseherinnerungen fällt es mir wie Schuppen von den Augen: Es gibt noch kein offizielles Kottan-Computerspiel !

Möglicherweise baue ich mein catch-the-thief Spiel zu einem Kottan-Spiel aus (die vertrackte indirekte Steuerung erinnert immerhin ein wenig an Schremser und Schramml) und man bedenke was für herrliche Bossgegner die Fernsehserie hergibt: Präsident Pichl, sein Kaffeeautomat, Stubenfliegen, Horrak …)

Bis es soweit ist sei auf die Fan-Seite http://www.kottan-ermittelt.at verwiesen, auf der man sich schon einmal in Stimmung schmökern kann.


Werbung:
Amazon.de Widgets


Austria Game Jam

Austria Game Jam Logo Sehr freue ich mich schon auf die Teilnahme am Austria Game Jam nächste Woche: Gafiker, Soundkünstler und Programmierer treffen sich und bilden Gruppen um innerhalb von 48 Stunden ein Spiel zu programmieren. Das Spiel wird dann eingereicht als Wettbewerbsbeitrag zum Global Game Jam. Global Game Jam Logo

Kommentar

by Horst JENS at January 23, 2010 07:42 AM

January 21, 2010

RSA keys and certificates with OpenSSL: Frequently used commands


This is a simple howto for manipulating PKI SSL certificates using Openssl. RSA public/private keys for testing Create a bundled public/private key pair openssl genrsa -des3 -out private-3des-2048.pem 2048 Decrypt a 3des encrypted PEM key and convert it to DER openssl rsa -in private-3des-2048.pem -outform DER -out private-2048.der PKI CA operations Creating a PKI CA * Install openssl

January 21, 2010 06:47 AM

Kerberos/OpenLDAP guides on the net


This is a list of online guides for setting up Kerberos with LDAP back-end. List of Kerberos/OpenLDAP guides Deploying a secure Kerberos/LDAP system is probably the most challenging task a system administrator can have. This page contains a list of reliable resources on how to configure a Kerberos system with OpenLDAP back-end.

by CodeAlias at January 21, 2010 02:09 AM

January 19, 2010

Denial of service in public key protocols


Denial of service (DoS) means the prevention of authorized access to resources or delaying of time-critical operations”. During the last couple of years, network denial of service attacks—which deny or degrade access to some network service—have become a problem on the Internet. The most publicized attacks have been against well-known web sites such as Yahoo and Amazon. Pasi Eronen in his paper published by in 2000, presents a survey of the literature on this topic and provides his recomme…

by CodeAlias at January 19, 2010 06:05 AM

January 18, 2010

Windows logon in wireless networks implementing 802.11i


The windows domain logon procedure starts by the user providing login and password information to the operating system through the login interface. The credentials are used by the operating system to build a Kerberos authentication request which is then sent to the domain controller. The domain controller authenticates the request and issues authorization materials (Ticket Granting Ticket) which the operating system of the local device stores in memory for later use. The operating system then in…

by CodeAlias at January 18, 2010 06:17 AM

January 17, 2010

ArduinoBoy (WRT54G Edition)

Today I finished my very first Arduino project :-).

It's an ArduinoBoy. Basically it's a device that lets me sync my GameBoy to a sequencer (I'm using Renoise using MIDI. On the GameBoy itself runs Nanoloop1). This was my first ever electronics project and it went really well. I only soldered one wrong connection which I luckily found after some debugging (de-soldering a IC sucks though :-/).

After I finished the breadboard version of the ArduinoBoy I began to think about a fitting enclosure. It turned out that finding something appropriate was the most difficult part of all. I finally decided to have a look into the WRT54G router I use solely for distributing wireless OSC messages via either my Nintendo DS and DSMI or TouchOSC on my iPhone. And to my surprise it had exactly that much space left which I would need for putting an extra Arduino inside :-D.

Getting all that stuff in there was a delicate thing to do though. I have to remember to open the thing with care should I ever have to. Unfortunately I'm not that good at drilling holes, that's why the holes for the LEDs look a bit ugly. However, I'm happy with the final result, especially because it took only one weekend to finish which makes me less worried regarding my plans to build an Arduinome (I have all parts except the PCB :-/).

Okay, now I have to make some nice GameBoy 8bit music :-).

farm5.static.flickr.com_4072_4281491359_db7348ee5d_b.jpg

1) a Tracker for the GameBoy

This blog post was created on 2010-01-17 at 19:02 and last modified on 2010-01-17 at 19:05 by Michael Klier. It is tagged with 8bit, arduino, gameboy, hacking, projects.

January 17, 2010 06:02 PM


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