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Dr Mabuse's scribblings

...some notes on stuff

Grünschnabel

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Im Leben ist man oft ein Grünschnabel. Zum Beispiel wenn man einem Verein beitritt und dessen Mitglieder erst kennenlernt oder wenn man in eine noch unbekannte Situation hineingerät. Je nachdem wie sich der Grünschnabel verhält, wird er auch eingeschätzt – you never get a second chance to make the first impression.

Ganz anders geht es dem Grünschnabel, der in die unerwartete Situation hineingeraten ist. Sein soziales Umfeld kennt ihn bereits. Er hat bereits seinen Eindruck hinterlassen und ist sich dessen meist auch bewusst. Seine Reaktion auf die ungewohnten Umstände, hängt aber von seiner Persönlichkeit ab: Ist er selbstsicher und selbstbewusst, so wird er die Situation mit großer Wahrscheinlichkeit meistern. Vielleicht wird er kurz straucheln, sich dann aber wieder fangen und “ganz der alte” sein.

Ist der Situations-Grünschnabel allerdings ein Unsicherer, so kann die Reaktion völlig unterschiedlich ausfallen. Eventuell sucht er sogleich Hilfe bei umstehenden Personen, weil er denkt, es nicht selbst schaffen zu können. Oder er wird nervös, gerät in Panik und muss von den anderen beruhigt werden. Oder er war früher schon, bei anderen ungewohnten Situationen, als unsicher aufgefallen, gerät jetzt wieder in die Rolle des Unsicheren und hudelt sich irgendwie durch. Hinterher ist er jedenfalls froh, alles überstanden zu haben, ohne sich noch ein zweites blaues Auge einzufangen. Sein verletzter Stolz wird ihn allerdings noch einige Zeit beschäftigen.

Man wird dem unsicheren Grünschnabel nicht zutrauen, mit kritischen Situationen umgehen zu können und das ist sein Pech. Denn wer Verantwortung übernehmen will, muss sich auch in unerwarteter Lebenslage zurechtfinden können. Was kann er also tun?

Die Antwort ist: Trainieren. Der unsichere Grünschnabel hat womöglich schon sehr oft den Eindruck hinterlassen, es “nicht zu bringen” und ist vorsichtig geworden, also zurückhaltend. Er beobachtet oft andere Menschen, um ihr Verhalten zu “kopieren”, sollte er jemals in deren Lage geraten. Ihm fällt dabei auf, dass selbst das oft nicht gelingt. Er muss also eigene Erfahrung sammeln. Er begibt sich deshalb absichtlich in neue Situationen und versucht, diese zu meistern. Am leichtesten ist es für ihn, wenn ihm die dabei anwesenden Personen vollkommen unbekannt sind. Besser gesagt, wenn diese ihn noch nicht kennen. So kann er, unbeeinflusst von deren Meinung über ihn, sein Verhalten ausprobieren und mit der Zeit sein Selbstvertrauen zurückgewinnen.

Scott's Choice

A fine method for finding the optimal width of bins (or clusters) in histograms is called "Scott's Choice". I can say that it really really solved my issue with extremely "undistributed" values. The algorithm works as following:



PS: Sigma is the standard deviation.

Cross-Flash succeeded

Some time ago, I looked for a firmware update for my DVD-ROM drive, which is an OEM-variant of an LG GSA-H30N drive, the LG GSA-H31N to be more detailed. Unfortunately, and that was the first time ever this happened to me, the firmware update froze after around half of the work was done. Then I ordered another DVD drive online (I'm afraid, Blu-ray is still too expensive) and for a couple of days I haven't thought about that much.

Well, some days later, I wanted to rip a CD and when the drive's drawer came out, I realized that the firmware update must have been successful nevertheless. Therefore, I decided to give a firmware-cross-upgrade a try. I stumbled upon a forum where that topic had been discussed before. I knew it will work with my drive as well. And it worked like a charm!









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Another Job Well Done...

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Some days ago, I achieved my target to share some amount of my CPU's capacity with some interesting BOINC projects. Since the early days of BOINC there has been much work done, at least on the client program. So installation and setup are now very easy. BOINC stands for Berkely Open Infrastructure for Network Computing and is a platform for Distributed Computing. With Distributed Computing (also known as Grid Computing) a complex computer task can be split up into small parts, which then can be handled by ordinary personal computers. Normally, you would need a mainframe to complete those complex tasks in acceptable time.

With the BOINC software, you are able to participate in projects which all have many complex tasks to be done and cover different topics. You can choose for whom you want your computer to do work: People fighting cancer, people fighting malaria, scientists working with the Large Hadron Collider at CERN and so on. There's a list of projects at the BOINC homepage.

As your computer does work for the projects you chose, you gain credit points. These are called Cobblestones and represent the amount of time your computer(s) spent computing for BOINC. Apart from that, they're worth nothing :wink: but you will see that collecting Cobblestones is very addictive! Statistics about you are automatically generated (e.g. at BOINCStats) and allow you to compare with others around the world using similar hardware, living in your country and so on.

In order to be finished with BOINC someday, I set myself amounts of Cobblestones as targets for each project I participated in. Some days ago, I achieved the last of my targets. This satisfies me especially because computers produce a lot of heat when working for BOINC and this surely does not help me during this hot summer. :wink: You can compare your own statistics with mine if you want, see my banner above.

Happy computing, :spock:

drmabuse

One point zero!!!

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School's out forever

Alice Cooper

Not that I am really thinking of having done with school for the rest of my life. But for the moment, I have done, doner, donest with it.

:happy:

That's because I successfully passed it, finished my studies with average grades and - most important of all - made a Bachelor Thesis which brought me the best score for the first time ever during my studies: My Thesis has been marked with "1,0" (which is equivalent to an "A")! Now this is awesome!

Proudly yours

drmabuse

Thesis Abstract

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Now, that I'm finally done with my Bachelor Thesis crap :wink: , I want to post its abstract here as my last words about it. Next, I will head on for new adventures, full speed ahead!

Read more...

JSP/JSF/TagLib development

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Property Editor not registered with the PropertyEditorManager

Maybe you encountered this error once after having created a tag for your JSP/JSF developments. There are some JIRA issues guessing a problem with the Tomcat versions 5.x and 6.x. Well, that's right in some way but it's not the reason for the error. The problem is rather that newer versions of Tomcat expect your tag library descriptors (TLDs) to comply with version 2.1 of the TLD schema. This means that there's a significant difference between TLD schema version 2.0 and 2.1 which you have to take care of. Look here:

TLD schema version 2.0 TLD schema version 2.1
<tag>
  <description>
    Sample tag description for TLD schema 2.0.
  </description>
  <name>myCustomTag</name>
  <tag-class>org.me.tag.myCustomTag</tag-class>
  <body-content>empty</body-content>
  <attribute>
    <name>myAttribute</name>
    <required>true</required>
    <type>java.lang.String</type>
    <description>
      In TLD schema 2.0 the type is declared without a surrounding <deferred-value> tag.
    </description>
  </attribute>
</tag>


   
<tag>
  <description>
    Sample tag description for TLD schema 2.1.
  </description>
  <name>myCustomTag</name>
  <tag-class>org.me.tag.myCustomTag</tag-class>
  <body-content>empty</body-content>
  <attribute>
    <name>myAttribute</name>
    <required>true</required>
    <deferred-value>
      <type>java.lang.String</type>
    </deferred-value>
    <description>
      In TLD schema 2.1 the type is declared with a surrounding <deferred-value> tag.
    </description>
  </attribute>
</tag>
   

As you can see, in TLD schema v2.1 you have to declare the type of your attributes in a <deferred-value> tag. That's the reason why Tomcat runs into an error when executing your JSPs. Since Tomcat is also the Servlet/JSP container of some application servers (e.g. JBossAS), this error will also appear there.

Hope this can help you.

Goodbye Mabuse

Don't tell anyone!

Land of plenty again?





Today I registered my thesis - there are now two weeks left before final final deadline. I will make it, I'm sure now :yes: . I'm thinking about a countdown on this site...

But now, what I wanted to tell...

I've just looked for a very rare album and couldn't find it on ebay and some German online cd store. So I gave Amazon a try. There it was, costing about 188,00 € (240,00 US$) for a new one and 140,00 € for a used one. :yikes:

I thought that maybe some guy wants to sell his old discs, so I tried google and ha! There it was, posted on a blog and downloadable via mediafire! This isn't like Napster, eDonkey and so on - this is even better. Though downloading such a precious piece of great old music is like a sacrilege and is not as "magic" as buying it for a whole lot of money... :bandit:


Ooooh, but it sounds like vanilla cream...:star: :star: :star: :star: :star: :whistle:

Another song of the day

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Music was my first love and it will be my last.

John Miles

I just saw an interesting blog which showed it's author's song of the day. I want to copy that and respond to it at the same time with my own song of the day! :smile:

Hope you're not too angry about that, josephnepomucin... :whistle:



Happy listening :star: :sing: :star:

Mabuse
December 2009
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