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	<title>ABurakC</title>
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	<description>Gözüme Takılanlar</description>
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		<title>ABurakC</title>
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		<item>
		<title>Java ile Pixel Bazında İşlemler</title>
		<link>http://aburakc.wordpress.com/2010/03/23/java-ile-pixel-bazinda-islemler/</link>
		<comments>http://aburakc.wordpress.com/2010/03/23/java-ile-pixel-bazinda-islemler/#comments</comments>
		<pubDate>Tue, 23 Mar 2010 08:56:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[java]]></category>
		<category><![CDATA[pixel]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2010/03/23/java-ile-pixel-bazinda-islemler</guid>
		<description><![CDATA[Yüksek Lisans&#8217;da bir ödev için pixel değerlerine erişim ve değiştirme yapma ihtiyacım oldu. Bunun için kullanılacak en basit yol, BufferedImage class&#8217;ının getRGB() ve setRGB() metodları. Öncelikle bir imajı BufferedImage olarak almak için http://www.exampledepot.com/egs/java.awt.image/Image2Buf.html adresinden bulduğum metodları kullandım. Daha sonra BufferedImage.getRGB(x,y) ile istediğim pixel değerini okunabiliyor. Fakat burada dikkat edilmesi gereken nokta, bu değerin RGB için [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=78&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Yüksek Lisans&#8217;da bir ödev için pixel değerlerine erişim ve değiştirme yapma ihtiyacım oldu. Bunun için kullanılacak en basit yol, BufferedImage class&#8217;ının getRGB() ve setRGB() metodları.
<div></div>
<div>Öncelikle bir imajı BufferedImage olarak almak için <a href="http://www.exampledepot.com/egs/java.awt.image/Image2Buf.html">http://www.exampledepot.com/egs/java.awt.image/Image2Buf.html</a> adresinden bulduğum metodları kullandım. </div>
<div></div>
<div>Daha sonra BufferedImage.getRGB(x,y) ile istediğim pixel değerini okunabiliyor. Fakat burada dikkat edilmesi gereken nokta, bu değerin RGB için toptan verilmiş olması. O yüzden ya Color(int rgb) yi kullanarak, her bir değeri ayrı ayrı almak yada elimizde değeri bitwise operatörü ile kaydırarak tek tek değerleri elde etmemiz gerekiyor.</div>
<div></div>
<div>Color color = new Color(bufferedImage.getRGB());</div>
<div></div>
<div>color.getRed();</div>
<div></div>
<div>bunun ile red, green ve blue varsa Alpha değerlerine ulaşabiliriz. Ayrıca</div>
<div></div>
<div>
<div>int alpha = (value &gt;&gt; 24) &amp; 0xff;</div>
</div>
<div>int red = (value &gt;&gt; 16) &amp; 0xff;</div>
<div>int green = (value &gt;&gt; <img src='http://s0.wp.com/wp-includes/images/smilies/icon_cool.gif' alt='8)' class='wp-smiley' /> &amp; 0xff;</div>
<div>int blue = value  &amp; 0xff;</div>
<div></div>
<div>değerlerine ulaşılabilir. </div>
<div></div>
<div>Aynı şekilde BufferedImage.setRGB(x,y,value) ile yine pixel değerini vermek mümkün.</div>
<div></div>
<div></div>
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			<media:title type="html">aburakc</media:title>
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		<title>SunSPOT</title>
		<link>http://aburakc.wordpress.com/2010/03/23/sunspot/</link>
		<comments>http://aburakc.wordpress.com/2010/03/23/sunspot/#comments</comments>
		<pubDate>Tue, 23 Mar 2010 08:50:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[java]]></category>
		<category><![CDATA[sunspot]]></category>
		<category><![CDATA[wireless sensor networks]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2010/03/23/sunspot</guid>
		<description><![CDATA[SunSPOT java ile geliştirilebilen bir &#8220;Wireless Sensor Network&#8221; toolkit&#8217;i. Bir geliştirme seti de var fakat herhalde üretimi, gönderimi falan askıda. Ayrıca Sun, Oracle&#8217;a geçince belki proje rafa kalkmıştır bilmiyorum. Fakat için de bir emulatör ile geliyor. Yani geliştirme yapıp denemek içinde idaal bir ortam gibi duruyor. http://www.sunspotworld.com/<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=77&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>SunSPOT java ile geliştirilebilen bir &#8220;Wireless Sensor Network&#8221; toolkit&#8217;i. Bir geliştirme seti de var fakat herhalde üretimi, gönderimi falan askıda. Ayrıca Sun, Oracle&#8217;a geçince belki proje rafa kalkmıştır bilmiyorum. Fakat için de bir emulatör ile geliyor. Yani geliştirme yapıp denemek içinde idaal bir ortam gibi duruyor.
<div></div>
<div><a href="http://www.sunspotworld.com/">http://www.sunspotworld.com/</a>
<div></div>
<div></div>
</div>
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			<media:title type="html">aburakc</media:title>
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	</item>
		<item>
		<title>Pardus&#8217;da Adobe AIR</title>
		<link>http://aburakc.wordpress.com/2010/03/01/pardusda-adobe-air/</link>
		<comments>http://aburakc.wordpress.com/2010/03/01/pardusda-adobe-air/#comments</comments>
		<pubDate>Mon, 01 Mar 2010 13:14:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[pardus]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2010/03/01/pardusda-adobe-air</guid>
		<description><![CDATA[Malum Adobe AIR sadece .dev ve .rpm destekli Linux sürümlerini destekliyor. Fakat SDK&#8217;sı öyle değil. SDK&#8217;sını indirdikten sonra. adl -nodebug &#8230;path&#8230;/uygulama/META-INF/AIR/application.xml ..path../uygulama şeklinde çalıştırılıyor. Pardus 2009.1 &#8216;de komut satırında su &#8211; ile root yetkisi olarak giriş yapmak gerekiyor.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=76&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Malum Adobe AIR sadece .dev ve .rpm destekli Linux sürümlerini destekliyor. Fakat SDK&#8217;sı öyle değil.
<div></div>
<div>SDK&#8217;sını indirdikten sonra.</div>
<div></div>
<div>adl -nodebug &#8230;path&#8230;/uygulama/META-INF/AIR/application.xml ..path../uygulama </div>
<div></div>
<div>şeklinde çalıştırılıyor. Pardus 2009.1 &#8216;de komut satırında su &#8211; ile root yetkisi olarak giriş yapmak gerekiyor.</div>
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			<media:title type="html">aburakc</media:title>
		</media:content>
	</item>
		<item>
		<title>Pardus&#8217;da Dell 1397 Wireless</title>
		<link>http://aburakc.wordpress.com/2010/03/01/pardusda-dell-1397-wireless/</link>
		<comments>http://aburakc.wordpress.com/2010/03/01/pardusda-dell-1397-wireless/#comments</comments>
		<pubDate>Mon, 01 Mar 2010 13:12:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[pardus]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2010/03/01/pardusda-dell-1397-wireless</guid>
		<description><![CDATA[Uzun denemeler, driver kurmaya çalışmalardan sonra aslında basit bir şekilde çalıştırmayı başardım&#8230; sudo modprobe wl bu kadar&#8230;<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=75&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Uzun denemeler, driver kurmaya çalışmalardan sonra aslında basit bir şekilde çalıştırmayı başardım&#8230;
<div>sudo modprobe wl</div>
<div></div>
<div>bu kadar&#8230;</div>
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			<media:title type="html">aburakc</media:title>
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	</item>
		<item>
		<title>Ubuntu&#8217;da Admin haklarına sahip yeni kullanıcı ekleme</title>
		<link>http://aburakc.wordpress.com/2009/12/16/ubuntuda-admin-haklarina-sahip-yeni-kullanici-ekleme/</link>
		<comments>http://aburakc.wordpress.com/2009/12/16/ubuntuda-admin-haklarina-sahip-yeni-kullanici-ekleme/#comments</comments>
		<pubDate>Wed, 16 Dec 2009 12:19:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2009/12/16/ubuntuda-admin-haklarina-sahip-yeni-kullanici-ekleme</guid>
		<description><![CDATA[sudo useradd -d /home/kullanici -m -k /etc/skel/ -g admin kullanici<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=73&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><b>sudo useradd -d /home/kullanici -m -k /etc/skel/ -g admin kullanici</b></p>
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			<media:title type="html">aburakc</media:title>
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		<title>Oracle&#8217;da Objeleri Listeleme</title>
		<link>http://aburakc.wordpress.com/2009/05/22/oracleda-objeleri-listeleme/</link>
		<comments>http://aburakc.wordpress.com/2009/05/22/oracleda-objeleri-listeleme/#comments</comments>
		<pubDate>Fri, 22 May 2009 00:20:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[oracle]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2009/05/22/oracleda-objeleri-listeleme</guid>
		<description><![CDATA[Kullanıcının objeleri için select * from user_objects; Tüm objeler için ise select * from all_objects;<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=72&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Kullanıcının objeleri için</p>
<p>select * from user_objects;</p>
<p>Tüm objeler için ise</p>
<p>select * from all_objects;</p>
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		<title>Oracle bir kullanıcıya ait tüm sessionları öldürmek</title>
		<link>http://aburakc.wordpress.com/2009/05/21/oracle-bir-kullaniciya-ait-tum-sessionlari-oldurmek/</link>
		<comments>http://aburakc.wordpress.com/2009/05/21/oracle-bir-kullaniciya-ait-tum-sessionlari-oldurmek/#comments</comments>
		<pubDate>Thu, 21 May 2009 22:45:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[oracle]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2009/05/21/oracle-bir-kullaniciya-ait-tum-sessionlari-oldurmek</guid>
		<description><![CDATA[begin ALTER SYSTEM ENABLE RESTRICTED SESSION;for x in(select Sid, Serial# from v$session where username = 'DBUSER') loopexecute immediate 'Alter System Kill Session '''&#124;&#124; x.Sid&#124;&#124; ',' &#124;&#124; x.Serial# &#124;&#124; ''' IMMEDIATE'; end loop;end;<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=71&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<pre class="prettyprint"><code><span class="kwd">begin</span><span class="pln">  ALTER SYSTEM ENABLE RESTRICTED SESSION</span><span class="pun">;</span><span class="pln"></span><span class="kwd">for</span><span class="pln"> x </span><span class="kwd">in</span><span class="pun">(</span><span class="pln"></span><span class="kwd">select</span><span class="pln"> </span><span class="typ">Sid</span><span class="pun">,</span><span class="pln"> </span><span class="typ">Serial</span><span class="com">#</span><span class="pln"> </span><span class="kwd">from</span><span class="pln"> v$session </span><span class="kwd">where</span><span class="pln"> username =</span><span class="pln"> </span><span class="str">'DBUSER'</span><span class="pln"></span><span class="pun">)</span><span class="pln"> loopexecute immediate </span><span class="str">'Alter System Kill Session '''</span><span class="pun">||</span><span class="pln"> x</span><span class="pun">.</span><span class="typ">Sid</span><span class="pln"></span><span class="pun">||</span><span class="pln"> </span><span class="str">','</span><span class="pln"> </span><span class="pun">||</span><span class="pln"> x</span><span class="pun">.</span><span class="pln">Serial</span><span class="com"># || ''' IMMEDIATE';  </span><span class="pln"></span><span class="kwd">end</span><span class="pln"> loop</span><span class="pun">;</span><span class="pln"></span><span class="kwd">end</span><span class="pun">;</span><span class="pln"></span><span class="str"></span></code></pre>
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		<title>Güzel Sözler</title>
		<link>http://aburakc.wordpress.com/2009/05/20/guzel-sozler/</link>
		<comments>http://aburakc.wordpress.com/2009/05/20/guzel-sozler/#comments</comments>
		<pubDate>Wed, 20 May 2009 08:09:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2009/05/20/guzel-sozler</guid>
		<description><![CDATA[Erdinç bloğunda, programlama ile ilgili güzel bir yazı yayınlamış. Okumak için buraya tıklayın.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=69&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Erdinç <a href="http://erdinctaskin.blogspot.com/">bloğunda</a>, programlama ile ilgili güzel bir yazı yayınlamış. Okumak için <a href="http://erdinctaskin.blogspot.com/2009/05/guzel-sozler.html">buraya</a> tıklayın.</p>
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		<title>Oracle &#8216;da MView Refresh ve Broken Job&#8217;ları yeniden çalıştırmak</title>
		<link>http://aburakc.wordpress.com/2009/04/21/oracle-da-mview-refresh-ve-broken-joblari-yeniden-calistirmak/</link>
		<comments>http://aburakc.wordpress.com/2009/04/21/oracle-da-mview-refresh-ve-broken-joblari-yeniden-calistirmak/#comments</comments>
		<pubDate>Tue, 21 Apr 2009 06:39:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[materialized view]]></category>
		<category><![CDATA[oracle]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2009/04/21/oracle-da-mview-refresh-ve-broken-joblari-yeniden-calistirmak</guid>
		<description><![CDATA[Meterialized View&#8217;leri el ile aşağıda ki komutla refresh edebilirsiniz. (f : fast ,c: complete)beginDBMS_MVIEW.REFRESH( &#8216;mview123&#8242;,&#8217;f');end; Otomatik olarak güncellenen materialized view&#8217;ler için ayrıca broken hale gelen jobları tekrar çalışır hale getirmek gerekir.SELECT JOB, what, NEXT_DATE, NEXT_SEC, BROKEN FROM DBA_JOBS; bu sql ile broken haldeki jobları görebilir beginDBMS_JOB.BROKEN(job,FALSE);end;(job bir önceki sql deki job column içindeki numara) Bununlada [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=67&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Meterialized View&#8217;leri el ile aşağıda ki komutla refresh edebilirsiniz.</p>
<p>(f : fast ,c: complete)<br />begin<br />DBMS_MVIEW.REFRESH( &#8216;mview123&#8242;,&#8217;f');<br />end;</p>
<p>Otomatik olarak güncellenen materialized view&#8217;ler için ayrıca broken hale gelen jobları tekrar çalışır hale getirmek gerekir.<br />SELECT JOB, what, NEXT_DATE, NEXT_SEC, BROKEN FROM DBA_JOBS;</p>
<p>bu sql ile broken haldeki jobları görebilir</p>
<p>begin<br />DBMS_JOB.BROKEN(job,FALSE);<br />end;<br />(job bir önceki sql deki job column içindeki numara)</p>
<p>Bununlada broken jobları normal hale getirebilirsiniz.</p>
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		<title>ORACLE import&#8217;u hızlandırmak</title>
		<link>http://aburakc.wordpress.com/2009/04/08/oracle-importu-hizlandirmak/</link>
		<comments>http://aburakc.wordpress.com/2009/04/08/oracle-importu-hizlandirmak/#comments</comments>
		<pubDate>Wed, 08 Apr 2009 08:04:00 +0000</pubDate>
		<dc:creator>aburakc</dc:creator>
				<category><![CDATA[oracle]]></category>

		<guid isPermaLink="false">http://aburakc.wordpress.com/2009/04/08/oracle-importu-hizlandirmak</guid>
		<description><![CDATA[Çok yavaş bir import&#8217;un ardından araştırmak zorunda kaldığım bir konu.Yapılması gerekenler; BUFFER = 64000COMMIT=NINDEXES=N Bu parametreler ile indexler açılmadan ve toplu olarak commit edilerek hızlanma sağlanıyor. Fakat indexlerin daha sonra tekrar açılması gerek malum. Bunun için imp komutunu aynı şekilde ve artık olarak INDEXFILE=indexfile ile indexlerin DDL&#8217;lerini içeren bir dosya oluşturması sağlanıyor. Ardından bu dosya [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=aburakc.wordpress.com&amp;blog=6028287&amp;post=66&amp;subd=aburakc&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Çok yavaş bir import&#8217;un ardından araştırmak zorunda kaldığım bir konu.<br />Yapılması gerekenler;</p>
<p>BUFFER = 64000<br />COMMIT=N<br />INDEXES=N</p>
<p>Bu parametreler ile indexler açılmadan ve toplu olarak commit edilerek hızlanma sağlanıyor. Fakat indexlerin daha sonra tekrar açılması gerek malum. Bunun için imp komutunu aynı şekilde ve artık olarak</p>
<p>INDEXFILE=indexfile</p>
<p>ile indexlerin DDL&#8217;lerini içeren bir dosya oluşturması sağlanıyor. Ardından bu dosya çalıştırılarak işlem tamamlanmış olur.</p>
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