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<title>Sebastian's blog</title>
<link>http://blog.kickino.org</link>
<description>Live in a world of chaos and ideology</description>
<dc:language>en-us</dc:language>
<dc:creator>Sebastian Wieseler</dc:creator>
<dc:date>2008-08-22T04:39:00+02:00</dc:date>
<admin:generatorAgent rdf:resource="http://nanoblogger.sourceforge.net" />
<item>
<link>http://blog.kickino.org/archives/2008/08/22/T04_38_54/</link>
<title>C++ for Runaways</title>
<dc:date>2008-08-22T04:38:54+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>
<dc:subject>projects/programming</dc:subject>
<description><![CDATA[<p>
Because of <a href="http://en.wikipedia.org/wiki/Neuroinformatics">neuroinformatics</a>
I try to write a little neural network in <a href="http://en.wikipedia.org/wiki/C++">C++</a>.
I am not a big C++ expert so I had to review some things.
</p>

<p>
If you would like to stream a file C++-like with <em>std::ifstream file(filepath);</em>
and you put it into a function which needs the filepath as an argument you
need to use <em>char* filepath</em> instead of <em>std::string filepath</em>.
That surprised me much because <em>char*</em> is bad C++ style somehow.
</p>

<p>
Another problem was the output of <a href="http://en.wikipedia.org/wiki/Real_number">real numbers</a>.
Firstly I used <em>std::cout</em> to print these using the <em>float</em> type. But it shows me only
six <a href="http://en.wikipedia.org/wiki/Arithmetic_precision">decimal places</a>. <br />
Then I tried the C style with
<a href="http://www.cplusplus.com/reference/clibrary/cstdio/printf.html"><em>printf</em></a>.
The solution was, to use <em>double</em> (it is really enough for our purposes) and
<em>printf(&quot;%.10E\n&quot;, input);</em>. <br />
That surprised me, too, because I used a C element just another time instead of C++.
</p>

<p>
After it I've done a really bad mistake. I used the <em>&lt;&lt;</em> operator together
with an <em>ifstream</em> variable. But it is not defined with that. I had to use <em>ofstream</em>
of course.
</p>

<p>
Another thing was that you cannot declare a variable <em>y1</em> and <em>y2</em> if you
use <em>math.h</em>, because they were already declared there. Interesting. I didn't know
that...
</p>]]></description>
</item>
<item>
<link>http://blog.kickino.org/archives/2008/08/16/T15_39_54/</link>
<title>Believing</title>
<dc:date>2008-08-16T15:39:54+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>
<dc:subject>personal notes</dc:subject>
<description><![CDATA[<p>
<a href="http://en.wikipedia.org/wiki/Believing">Believing</a>: Who believes in me?
Who trusts in me? Anybody?
</p>

<p>
Sometimes I don't know where I should go - what to do next. Sometimes I feel
alone. Why cannot anybody show me the right way?
</p>]]></description>
</item>
<item>
<link>http://blog.kickino.org/archives/2008/07/27/T22_23_04/</link>
<title>Return to tomorrow</title>
<dc:date>2008-07-27T22:23:04+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>
<dc:subject>personal notes</dc:subject>
<description><![CDATA[<p>
Can somebody please show me the <i>return</i> button of life? Somehow
I would like to skip my current life and return to the beginning.
Maybe I would do some things again, but maybe I would change
something.
</p>
<p>
Somehow I lost my priorities. Somehow I don't know what is importand and what isn't.
Somehow I lost myself. <br />
Is a passed exam important? Friendship? Realtionship? Education? Joy? Fun?
Tomorrow could change <i>everything</i>. What should I do today if there
wouldn't be a tomorrow? Should I learn? Should I go out and enjoy the nature?
Feel the world? Meet some friends? What?
</p>
<p>
There will be tomorrow. There will be tomorrow almost always. Why should I
take time to do joyfull things? Why should I wait until tomorrow?
Why shouldn't I wait?
</p>
<p>
Will be tomorrow the same if we take our time to do useful things or would
it change if we waste it with hanging around? What if <i>we</i> change? What is
if the <i>world</i> around us changed? Will we ever notice?
</p>
<p>
It is a strange feeling. Some time ago I've got fears. Now there are only empty feelings.
My head is empty.
</p>

	<p style="text-align:center;">
	   <i>Tomorrow is a different day.</i> (I'm not ready.)
	</p>]]></description>
</item>
<item>
<link>http://blog.kickino.org/archives/2008/05/18/T04_24_34/</link>
<title>6th newcomer festival</title>
<dc:date>2008-05-18T04:24:34+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>
<dc:subject>events</dc:subject>
<description><![CDATA[<p>
Yesterday I was on the <a href="http://ilmenau-festival.de/">6th newcomer festival</a> in <a href="http://en.wikipedia.org/wiki/Ilmenau">Ilmenau</a> called <i>VORSICHT! Band</i>. It was a very loud event.<br />

There were a lot of students, known faces and other rock people. The styles of the bands differed a lot. They played rock, hip hop, funky styles and many more on three stages. We all had a lot of fun and danced all the time. The bands rocked the house (ehm, our <a href="http://en.wikipedia.org/wiki/Mensa">cafeteria</a> ;))
</p>

<p>
My absolut favourite was the band <a href="http://www.good-mourning.de/">Good Mourning</a>. They come from <a href="http://en.wikipedia.org/wiki/Erfurt">Erfurt</a> and played a good mix of low and loud accords.
The female voice was really nice. The band got the second jury award.
</p>

<p>
After the festival we went to the <a href="http://bd-club.de/">BD club</a> because the
<a href="http://bh-club.de/">bhc</a> closed because of to less people. So a lot of people
celebrated the aftershow party in the BD. It was very very hot there. But we had fun nevertheless.
</p>

<p>
All in all a great night, too. And now after the long day, time to sleep for me.
</p>]]></description>
</item>
<item>
<link>http://blog.kickino.org/archives/2008/05/18/T03_35_15/</link>
<title>21</title>
<dc:date>2008-05-18T03:35:15+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>

<description><![CDATA[<p>
Two days ago I was in our <a href="http://www.twk.cn/ilmenau/">local cinema</a> to watch
the movie <a href="http://en.wikipedia.org/wiki/21_%282008_film%29">21</a>. 
It is based on a true story of the <a href="http://en.wikipedia.org/wiki/MIT_Blackjack_Team">MIT Blackjack Team</a>. <br />
Students of the MIT went to casinos to play there <a href="http://en.wikipedia.org/wiki/Blackjack">blackjack</a> and to count probabilities of 
<a href="http://en.wikipedia.org/wiki/Card_game">cards</a><a href="http://en.wikipedia.org/wiki/Card_counting">*</a>. So they made a lot of money in Vegas.
</p>

<p>
It was a nice movie with a very good and interesting story. It fascinates me much that
it is based on a true story. <br />
The other point is, that it was the first time that I was in our local cinema. It is a really
sweet and small one. It was a nice evening together with my girlfriend. It was fun
to watch the film.
</p>]]></description>
</item>
<item>
<link>http://blog.kickino.org/archives/2008/05/03/T13_24_15/</link>
<title>Sunset</title>
<dc:date>2008-05-03T13:24:15+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>

<description><![CDATA[<p>
Yesterday on the way home I had a look at a wonderful
<a href="http://en.wikipedia.org/wiki/Sunset">sunset</a>. It was like
magic. It was a great feeling to look into this red light.
</p>

<p>
Sometimes it couldn't get better. And sometimes, it gets better. I hate
the raining days if I can have more of these special days. <br />
I miss you, darling.
</p>]]></description>
</item>
<item>
<link>http://blog.kickino.org/archives/2008/03/24/T17_17_55/</link>
<title>The Wave</title>
<dc:date>2008-03-24T17:17:55+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>
<dc:subject>video</dc:subject>
<description><![CDATA[<p>
Some time ago I was in the <a href="http://cinestar.de/de/kinos-lokal/erfurt-cinestar/startseite/">cinema</a> together with Astrid and watched the movie
<a href="http://de.wikipedia.org/wiki/Die_Welle_%282008%29">The Wave</a>. It is based
on the social experiment
<a href="http://en.wikipedia.org/wiki/The_Third_Wave">The Third Wave</a>, which has been done in 1967 on the Cubberley High School in <a href="http://en.wikipedia.org/wiki/Palo_Alto">Palo Alto</a>.
</p>

<p>
The main question is:
&quot;Is another <a href="http://en.wikipedia.org/wiki/Dictatorship">dictatorship</a> in Germany again possible now?&quot; <br />
There is a teacher and his pupils in a project week and they are supposed to work together
on the topic <a href="http://en.wikipedia.org/wiki/Autocracy">autocracy</a>. <br />
It begins as a little <i>game</i> between the teacher and the pupils but soon everybody
loses control of the experiment. It becomes clearer and clearer that a dictatorship
is also possible in the present.
</p>

<p>
It's a great movie about that topic. You feel a 
little bit involved into the plot. I'm happy that I saw <i>The Wave</i>. 
</p>]]></description>
</item>
<item>
<link>http://blog.kickino.org/archives/2008/03/14/T00_47_21/</link>
<title>Pi Day</title>
<dc:date>2008-03-14T00:47:21+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>
<dc:subject>general</dc:subject>
<description><![CDATA[<p>
Like every year - today is <a href="http://en.wikipedia.org/wiki/Pi_Day">Pi Day</a>.
No need to say more. ;-) <br />
Happy birthday, <a href="http://en.wikipedia.org/wiki/Albert_Einstein">Albert</a>.
</p>]]></description>
</item>
<item>
<link>http://blog.kickino.org/archives/2008/03/06/T21_05_11/</link>
<title>rdiff-backup</title>
<dc:date>2008-03-06T21:05:11+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>
<dc:subject>*nix</dc:subject>
<description><![CDATA[<p>
Today I installed <a href="http://www.nongnu.org/rdiff-backup/">rdiff-backup</a> to
handle my backups. It is an interesting project which can handle incremental
backups. It works like rsync over a ssh connection. So you needn't to up/download everything
everytime. Furthermore it preserves all information, it is space and bandwidth efficient and
you can backup several operating systems with it.
</p>

<p>
It has got a good <a href="http://www.nongnu.org/rdiff-backup/docs.html">documentation</a>
and there're <a href="http://arctic.org/~dean/rdiff-backup/unattended.html">step-per-step
instructions</a> to set up a <i>&quot;push up&quot;</i> solution.
</p>

<p>
But I needed a <i>&quot;pull down&quot;</i> solution. It wasn't very hard to set something like
this up. But you should be careful with <a href="http://www.semicomplete.com/articles/ssh-security/"><i>shell=/bin/false</i></a>.
</p>]]></description>
</item>
<item>
<link>http://blog.kickino.org/archives/2008/03/03/T20_58_25/</link>
<title>Chemnitzer Linux Days 2008</title>
<dc:date>2008-03-03T20:58:25+02:00</dc:date>
<dc:creator>Sebastian Wieseler</dc:creator>
<dc:subject>events</dc:subject>
<description><![CDATA[<p>
On Saturday I was on the <a href="http://chemnitzer.linux-tage.de/2008/">Chemnitzer Linux Days 2008</a>. It was hard to travel there and travel back, because of <a href="http://en.wikipedia.org/wiki/Emma_%28storm%29">Emma</a>.
But it was cool as usual. I listened to one presentation about software licenses and then
went around and talked to some people - for example to the <a href="http://www.symlink.ch/">Symlink</a> guys and to the <a href="https://www.cacert.org/index.php">CACert</a> guys and
to many others. It was fun. All in all a very good event - since 10 years.
</p>

<p>
If you would like, you can even have a look at my <a href="http://gallery.kickino.org/v/chemnitzer_linux_tage_2008/">pictures of the CLT 08</a>. <br />
Maybe I see you in the next year there, too. :-)
</p>]]></description>
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