Difference between revisions of "Notes"

Latest revision as of 18:02, 31 December 2007

links to look at :

http://www.alexa.com/site/ds/top_500 ( global website ranking based on traffic?)
http://www.studivz.net/ (german student net)
http://flickr.com/ (photos)

job

social net

http://www.orkut.com/About.aspx?page=keep
http://myspace.com/
http://digg.com/ (technology news)

screencasting

misc

http://happypenguin.org/show?Project%20LRNJ%3A%20Slime%20Forest (japanese learning game)
http://happypenguin.org/show?BitRock%20InstallBuilder (bitrock crossplatform installer builder)

linux

mail on commit : die config wird in /etc/svnmailer.conf gemacht, wenn das commit-hook skript in dem repos aktiv ist (=ohne .tmpl endung oder so).

the net is vast and infinite

ebisu : jap. glücksgott

@@ Line 4: / Line 4: @@
 * http://www.studivz.net/ (german student net)
 * http://flickr.com/ (photos)
+== job ==
+* http://meacon.de
+* http://www.godesys.de
 === social net ===
@@ Line 21: / Line 26: @@
 * http://happypenguin.org/show?BitRock%20InstallBuilder (bitrock crossplatform installer builder)
-=== print ===
+=== linux ===
+* mail on commit : die config wird in /etc/svnmailer.conf gemacht, wenn das commit-hook skript in dem repos aktiv ist (=ohne .tmpl endung oder so).
-<pre></nowiki>
-<?php
-require("cryptutils.php");
-// Nr17
-/// returns true if bit is set
-/// (1 << n) == 2^n   (shiftleft)
-function TestBit ($mask,$bitnum) { return ($mask & (1 << $bitnum)) != 0; }
-/// condition ? value_if_true : value_if_false
-function F($x) {
-	$mask = $x*($x+1);
-	$res = 0;
-	for ($i=0;$i<=4;++$i) $res += TestBit($mask,$i+1) ? (1 << $i) : 0;
-	return $res;
-}
-/// $C is the subset that is being tested,  $C[$i] is x_i of the subset
-function SubsetIsCycle ($C) {
-	$r = count($C);
-	if (F($C[$r-1]) != $C[0]) return false;
-	for ($i=1;$i<$r;++$i) if (F($C[$i-1]) != $C[$i]) return false;
-	return true;
-}
-function AsBitString10 ($x) { return strrev(sprintf("%010b",$x)); }
-function AsBitString5 ($x) { return strrev(sprintf("%05b",$x)); }
-/*
-bruteforce
-*/
-$F_x_arr = array();
-for ($x=0;$x<32;++$x) {
-	$bitstring = AsBitString10($x*($x+1));
-	// F(x)
-	$tmp = 0;
-	for ($i=0;$i<=4;++$i) $tmp += intval($bitstring{$i+2})*(1<<$i);
-	$F_x_arr[$x] = $tmp;
-	//echo "x=$x  x*(x-1)=".$bitstring." $tmp\n";
-}
-function GenerateChain ($x_0) {
-	global $F_x_arr;
-	$chain = array( 0=>$x_0 );
-	while (1) {
-		$Fx = $F_x_arr[$chain[count($chain)-1]];
-		if (in_array($Fx,$chain)) break;
-		$chain[] = $Fx;
-	}
-	return $chain;
-}
-//echo implode(",",$F_x_arr);
-$checklist = array();
-$cycle = array();
-$domain = array();
-for ($x=0;$x<32;++$x) {
-	$chain = GenerateChain($x);
-	//echo "$x : ".implode(",",$chain)."\n";
-	//$last = $chain[0];
-	$last = $chain[count($chain)-1];
-	$key = array_shift(array_keys($chain,$last));
-	// domains
-	for ($i=0;$i<count($chain);++$i)
-		if (!in_array($chain[$i],$checklist))
-			$domain[$last][] = $chain[$i];
-	// cycles
-	for ($i=$key;$i<count($chain);++$i)
-		if (!in_array($chain[$i],$checklist))
-			$cycle[$last][] = $chain[$i];
-	// checklist
-	for ($i=0;$i<count($chain);++$i)
-		if (!in_array($chain[$i],$checklist))
-			$checklist[] = $chain[$i];
-}
-foreach ($cycle as $i=>$vals) {
-	sort($domain[$i]);
-	$chain = GenerateChain($i);
-	echo "C = {".implode(",",$chain)."}\n";
-	echo "A(C) = {".implode(",",$domain[$i])."}\n";
-	echo "\n";
-}
-/*
-Nr.17 a) output :
-C = {0}
-A(C) = {0,1,2,6,10,11,15,23,25,26,27,28,29}
-C = {3}
-A(C) = {3}
-C = {24,22,30,8,18,21,19,31}
-A(C) = {4,5,7,8,9,12,14,16,17,18,19,20,21,22,24,30,31}
-C = {13}
-A(C) = {13}
-*/
-?>
+=== the net is vast and infinite ===
-</nowiki></pre>
+[http://www.lostgarden.com/ http://lostgarden.com/uploaded_images/Ebisu-small3-702547.jpg] ebisu : jap. glücksgott

Difference between revisions of "Notes"

Latest revision as of 18:02, 31 December 2007

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job

social net

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linux

the net is vast and infinite

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