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	<title>stephenyeong&#039;s blog</title>
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	<link>http://www.stephenyeong.idv.hk/wp</link>
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	<lastBuildDate>Mon, 16 Aug 2010 08:44:31 +0000</lastBuildDate>
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		<title>其實點解用LN2超頻</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/08/ln2overclocking/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/08/ln2overclocking/#comments</comments>
		<pubDate>Mon, 16 Aug 2010 08:41:20 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[超頻]]></category>
		<category><![CDATA[LN2]]></category>
		<category><![CDATA[overclock]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=671</guid>
		<description><![CDATA[LN2 = Liquid N2 (因為 Nitrogen molecule 是兩個Nitrogen Atom 所組成)
由於LN2 的沸點 (Boring point) 是攝氏 -195.79度，
而N2汽化熱 (Heat of vaporization) 是5.56kJ.mod-1。
在理想的情況下

蒸發1公升的LN2所帶走的熱能, 能令2kg的銅下降攝氏208度
要令1kg 的銅由25C 下降至 -180C 只需0.49公升的LN2

計算工式都幾深…..

Nitrogen
Heat of vaporization是5.56kJ.mod-1
Standard atomic weight = 14.00067g.mol-1, N2即大約28g. mol-1。
即是每 28.01g 的 LN2 蒸發就會帶走 5.56kJ的能量。
1 公升LN2 重0.808kg
即是,
蒸發 1L LN2可帶走5.56kJ.mod-1 * (808g/ 28g.mod-1) = 160.45kJ的能量。
蒸發 1kg LN2可帶走5.56kJ.mod-1 * (1000g/ 28g.mod-1) = 198.6kJ的能量。


Copper
銅的Specific heat capacity [...]]]></description>
			<content:encoded><![CDATA[<p>LN2 = Liquid N<sub>2 </sub>(因為 Nitrogen molecule 是兩個Nitrogen Atom 所組成)</p>
<p>由於LN2 的沸點 (Boring point) 是攝氏 -195.79度，<br />
而N<sub>2</sub>汽化熱 (Heat of vaporization) 是5.56kJ.mod<sup>-1</sup>。</p>
<p>在理想的情況下</p>
<ul>
<li>蒸發1公升的LN2所帶走的熱能, 能令2kg的銅下降攝氏208度</li>
<li>要令1kg 的銅由25C 下降至 -180C 只需0.49公升的LN2</li>
</ul>
<p>計算工式都幾深…..</p>
<p>
<strong>Nitrogen</strong><br />
Heat of vaporization是5.56kJ.mod<sup>-1</sup><br />
Standard atomic weight = 14.00067g.mol<sup>-1</sup>, N<sub>2</sub>即大約28g. mol<sup>-1</sup>。<br />
即是每 28.01g 的 LN2 蒸發就會帶走 5.56kJ的能量。<br />
1 公升LN2 重0.808kg<br />
即是,<br />
蒸發 1L LN2可帶走5.56kJ.mod<sup>-1</sup> * (808g/ 28g.mod<sup>-1</sup>) = 160.45kJ的能量。<br />
蒸發 1kg LN2可帶走5.56kJ.mod<sup>-1</sup> * (1000g/ 28g.mod<sup>-1</sup>) = 198.6kJ的能量。
</p>
<p>
<strong>Copper</strong><br />
銅的Specific heat capacity = 24.440J.mol<sup>-1</sup>.K<sup>-1</sup>、atomic weight 63.546g. mol<sup>-1</sup>。<br />
即是Specific heat capacity/kg = ( 1000g / 63.54g. mol<sup>-1</sup> ) * 24.440J.mod<sup>-1</sup>. K<sup>-1</sup><br />
= 384.6J. kg<sup>-1</sup>K<sup>-1</sup>
</p>
<p>
Vaporize 1L LN2 on Copper surface<br />
要令1kg 的銅由25C 下降至 -180C 所需LN2 = (25+180) * 384.6 / 160450 = 0.49Liter
</p>
<p>
<strong>Reference</strong><br />
<a href="http://en.wikipedia.org/wiki/Nitrogen">http://en.wikipedia.org/wiki/Nitrogen</a><br />
<a href="http://en.wikipedia.org/wiki/Copper">http://en.wikipedia.org/wiki/Copper</a><br />
<a href="http://www.uigi.com/nitrogen.html">http://www.uigi.com/nitrogen.html</a></p>
]]></content:encoded>
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		</item>
		<item>
		<title>新機, Sony VAIO P Series P116KG</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/07/sony-vpcp116kg/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/07/sony-vpcp116kg/#comments</comments>
		<pubDate>Mon, 12 Jul 2010 19:21:45 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[新品測試]]></category>
		<category><![CDATA[P116]]></category>
		<category><![CDATA[sony]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=651</guid>
		<description><![CDATA[去日本之前敗了這台NETBOOK.
http://www.sonystyle.com.hk/ss/product/vaio/p115_116/index.jsp
主機不到700克，連火牛應該 不到1KG.
火牛同I/O Adapter 可以結合為一條.
7zip Benchmark 只有1341MIPS, 大約等於E6400 Default 的 1/3, i7 920 @ 4.2G 的1/20.
]]></description>
			<content:encoded><![CDATA[<p>去日本之前敗了這台NETBOOK.</p>
<p><a href="http://www.sonystyle.com.hk/ss/product/vaio/p115_116/index.jsp">http://www.sonystyle.com.hk/ss/product/vaio/p115_116/index.jsp</a></p>
<div id="attachment_656" class="wp-caption alignnone" style="width: 310px"><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1438_S.jpg" title="外觀" rel="lightbox[651]"><img class="size-medium wp-image-656" title="外觀" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1438_S-300x199.jpg" alt="" width="300" height="199" /></a><p class="wp-caption-text">VPCP116KG</p></div>
<p>主機不到700克，連火牛應該 不到1KG.</p>
<div id="attachment_655" class="wp-caption alignnone" style="width: 310px"><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1437_S.jpg" title="火牛和 I/O Adapter 可以結合為一條. " rel="lightbox[651]"><img class="size-medium wp-image-655   " title="火牛和 I/O Adapter 可以結合為一條. " src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1437_S-300x199.jpg" alt="" width="300" height="199" /></a><p class="wp-caption-text">VGP-DA10+VGP-AC10V6</p></div>
<p>火牛同I/O Adapter 可以結合為一條.</p>
<div id="attachment_661" class="wp-caption alignnone" style="width: 310px"><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1468.jpg" title="SONY跟來的一對NC耳機." rel="lightbox[651]"><img class="size-medium wp-image-661 " title="SONY跟來的一對NC耳機." src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1468-300x199.jpg" alt="" width="300" height="199" /></a><p class="wp-caption-text">SONY跟來的一對NC耳機.</p></div>
<div id="attachment_652" class="wp-caption alignnone" style="width: 310px"><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/CPU-Z-7ZIP.png" title="CPU-Z &amp; 7zip, 7zip result 1341MIPS" rel="lightbox[651]"><img class="size-medium  wp-image-652" title="CPU-Z &amp; 7zip, 7zip result 1341MIPS" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/CPU-Z-7ZIP-300x144.png" alt="" width="300" height="144" /></a><p class="wp-caption-text">CPU-Z &amp; 7zip</p></div>
<p>7zip Benchmark 只有1341MIPS, 大約等於E6400 Default 的 1/3, i7 920 @ 4.2G 的1/20.</p>

<a href='http://www.stephenyeong.idv.hk/wp/2010/07/sony-vpcp116kg/cpu-z-7zip/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/CPU-Z-7ZIP-150x150.png" class="attachment-thumbnail" alt="" title="CPU-Z &amp; 7ZIP" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/07/sony-vpcp116kg/_dsc1437_s/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1437_S-150x150.jpg" class="attachment-thumbnail" alt="" title="_DSC1437_S" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/07/sony-vpcp116kg/_dsc1438_s/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1438_S-150x150.jpg" class="attachment-thumbnail" alt="" title="_DSC1438_S" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/07/sony-vpcp116kg/_dsc1468/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1468-150x150.jpg" class="attachment-thumbnail" alt="" title="_DSC1468" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/07/sony-vpcp116kg/_dsc1530/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1530-150x150.jpg" class="attachment-thumbnail" alt="" title="_DSC1530" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/07/sony-vpcp116kg/_dsc1531/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1531-150x150.jpg" class="attachment-thumbnail" alt="" title="_DSC1531" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/07/sony-vpcp116kg/_dsc1536/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1536-150x150.jpg" class="attachment-thumbnail" alt="" title="_DSC1536" /></a>

]]></content:encoded>
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		</item>
		<item>
		<title>日本好多CAT7</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/07/cat7-jp/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/07/cat7-jp/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 03:46:16 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[其他]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=645</guid>
		<description><![CDATA[同事去完日本旅行帶返來的.


Spec.

890yen, 貴左少少

『Made in China』

]]></description>
			<content:encoded><![CDATA[<p>同事去完日本旅行帶返來的.</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1367.jpg" title="_DSC1367" rel="lightbox[645]"><img class="alignnone size-medium wp-image-646" title="_DSC1367" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1367-199x300.jpg" alt="" width="199" height="300" /><br />
</a></p>
<p>Spec.</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1370.jpg" title="_DSC1370" rel="lightbox[645]"><img class="alignnone size-medium wp-image-647" title="_DSC1370" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1370-300x199.jpg" alt="" width="300" height="199" /></a></p>
<p>890yen, 貴左少少</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1372.jpg" title="_DSC1372" rel="lightbox[645]"><img class="alignnone size-medium wp-image-648" title="_DSC1372" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1372-300x199.jpg" alt="" width="300" height="199" /></a></p>
<p>『Made in China』</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1373.jpg" title="_DSC1373" rel="lightbox[645]"><img class="alignnone size-medium wp-image-649" title="_DSC1373" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/07/DSC1373-300x199.jpg" alt="" width="300" height="199" /></a></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>GO OC 2010 中國區決賽</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/06/go-oc-2010-cn/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/06/go-oc-2010-cn/#comments</comments>
		<pubDate>Tue, 29 Jun 2010 01:31:20 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[旅行]]></category>
		<category><![CDATA[超頻]]></category>
		<category><![CDATA[GOOC2010]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=635</guid>
		<description><![CDATA[日期: 2010-06-25
時間: 9:00到, 10:00發硬件, 13:00午飯, 14:00 開始 (實際開始時間約14:20)
硬件
CPU: Intel Core i7 980X ES
RAM: 三條 Corsair CMGTX3 &#8211; DOMINATOR GTX, 2GB (1&#215;2GB), 2400MHz, 9-11-9-27
MB: Gigabyte GA-X58A-UD7
HDD: WD 320GB
Power: Corsair HX1000
Graphics: Zotac ECO GeForce GTS 250
還有&#8230;
大會主持: 兜兜 Blog link
]]></description>
			<content:encoded><![CDATA[<p>日期: 2010-06-25<br />
時間: 9:00到, 10:00發硬件, 13:00午飯, 14:00 開始 (實際開始時間約14:20)</p>
<p>硬件<br />
CPU: Intel Core i7 980X ES<br />
RAM: 三條 Corsair <a href="https://shop.corsair.com/store/item_view.aspx?id=1454418" target="_blank">CMGTX3 &#8211; DOMINATOR GTX, 2GB (1&#215;2GB), 2400MHz, 9-11-9-27</a><br />
MB: Gigabyte <a href="http://www.gigabyte.tw/Products/Motherboard/Products_Overview.aspx?ProductID=3251">GA-X58A-UD7</a><br />
HDD: WD 320GB<br />
Power: Corsair HX1000<br />
Graphics: Zotac ECO GeForce GTS 250</p>
<p>還有&#8230;<br />
大會主持: 兜兜 <a href="http://blog.sina.com.cn/didomm">Blog link</a></p>

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								<img title="dsc0655" alt="dsc0655" src="http://www.stephenyeong.idv.hk/wp/wp-content/gallery/go-oc-2010-china/thumbs/thumbs_dsc0655.jpg" width="100" height="75" />
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								<img title="dsc0657" alt="dsc0657" src="http://www.stephenyeong.idv.hk/wp/wp-content/gallery/go-oc-2010-china/thumbs/thumbs_dsc0657.jpg" width="100" height="75" />
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								<img title="dsc0663" alt="dsc0663" src="http://www.stephenyeong.idv.hk/wp/wp-content/gallery/go-oc-2010-china/thumbs/thumbs_dsc0663.jpg" width="100" height="75" />
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								<img title="dsc0664" alt="dsc0664" src="http://www.stephenyeong.idv.hk/wp/wp-content/gallery/go-oc-2010-china/thumbs/thumbs_dsc0664.jpg" width="100" height="75" />
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								<img title="dsc0665" alt="dsc0665" src="http://www.stephenyeong.idv.hk/wp/wp-content/gallery/go-oc-2010-china/thumbs/thumbs_dsc0665.jpg" width="100" height="75" />
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								<img title="dsc0666" alt="dsc0666" src="http://www.stephenyeong.idv.hk/wp/wp-content/gallery/go-oc-2010-china/thumbs/thumbs_dsc0666.jpg" width="100" height="75" />
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								<img title="dsc0667" alt="dsc0667" src="http://www.stephenyeong.idv.hk/wp/wp-content/gallery/go-oc-2010-china/thumbs/thumbs_dsc0667.jpg" width="100" height="75" />
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]]></content:encoded>
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		<item>
		<title>世界盃2010, HKIX流量達122Gbps</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/06/worldcup2010-hkix/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/06/worldcup2010-hkix/#comments</comments>
		<pubDate>Thu, 17 Jun 2010 08:37:58 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[網絡]]></category>
		<category><![CDATA[hkix]]></category>
		<category><![CDATA[RRD]]></category>
		<category><![CDATA[worldcup2010]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=629</guid>
		<description><![CDATA[今日因為小問題要CHECK一吓HKIX. 突然發覺個Switching Statistics個樣唔同左.
http://www.hkix.net/hkix/stat/aggt/hkix-aggregate.html
`Daily&#8217; Graph (5 Minute Average)
張5分鐘圖成張FLAT左. 之前個Y Axis 是30G &#8211; 120G, 今日個Graph 是30G &#8211; 220G.

再睇Monthly Graph，2小時平均個Peak比兩星期前多了20Gbps (大約多了 20%)
`Monthly&#8217; Graph (2 Hour Average)

一年圖就更加明顯了.
`Yearly&#8217; Graph (1 Day Average)

如果RRD Graph有移動平均線就好了. 可以見到個勢
]]></description>
			<content:encoded><![CDATA[<p>今日因為小問題要CHECK一吓HKIX. 突然發覺個Switching Statistics個樣唔同左.</p>
<p><a href="http://www.hkix.net/hkix/stat/aggt/hkix-aggregate.html">http://www.hkix.net/hkix/stat/aggt/hkix-aggregate.html</a></p>
<p><strong>`Daily&#8217; Graph (5 Minute Average)</strong><br />
張5分鐘圖成張FLAT左. 之前個Y Axis 是30G &#8211; 120G, 今日個Graph 是30G &#8211; 220G.</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/hkix-5min-avg.png" title="hkix-5min-avg" rel="lightbox[629]"><img class="alignnone size-full wp-image-632" title="hkix-5min-avg" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/hkix-5min-avg.png" alt="" width="697" height="288" /></a></p>
<p>再睇Monthly Graph，2小時平均個Peak比兩星期前多了20Gbps (大約多了 20%)<br />
<strong>`Monthly&#8217; Graph (2 Hour Average)</strong></p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/hkix-2hr-chart.png" title="hkix-2hr-chart" rel="lightbox[629]"><img class="alignnone size-full wp-image-631" title="hkix-2hr-chart" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/hkix-2hr-chart.png" alt="" width="697" height="316" /></a></p>
<p>一年圖就更加明顯了.<strong><br />
`Yearly&#8217; Graph (1 Day Average)</strong></p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/hkix-1dayAvg.png" title="hkix-1dayAvg" rel="lightbox[629]"><img class="alignnone size-full wp-image-630" title="hkix-1dayAvg" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/hkix-1dayAvg.png" alt="" width="697" height="316" /></a></p>
<p>如果RRD Graph有移動平均線就好了. 可以見到個勢</p>
]]></content:encoded>
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		</item>
		<item>
		<title>準備去日本，Capture地圖</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/06/%e6%ba%96%e5%82%99%e5%8e%bb%e6%97%a5%e6%9c%ac%ef%bc%8ccapture%e5%9c%b0%e5%9c%96/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/06/%e6%ba%96%e5%82%99%e5%8e%bb%e6%97%a5%e6%9c%ac%ef%bc%8ccapture%e5%9c%b0%e5%9c%96/#comments</comments>
		<pubDate>Sat, 12 Jun 2010 01:55:31 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[旅行]]></category>
		<category><![CDATA[gps]]></category>
		<category><![CDATA[hero]]></category>
		<category><![CDATA[RMaps]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=624</guid>
		<description><![CDATA[為了一份 RMaps用的北海道離線地圖，又要用返Mobile Atlas Creator。

今次Upgrade 了新版1.7 解決了tilestore 太多零碎PNG文件問題，轉用了10MB一個的Cache file。3GB Cache file 只用3百多個檔案，相對前版幾十萬個png 檔好很多。但是memory limit問題和 handle leak 問題還未解決。
要Capture 大地圖就要修改memory limit，將 Start up command 內 Max memory 由預設的512MB改為大過輸出的地圖大小。
javaw -Xms64m -Xmx2048M -jar Mobile_Atlas_Creator.jar
但每下載一片地圖就漏一個Handle問題就未解決。除非每次下載幾萬片地圖就關閉Creator。
以下是昨日Capture 了1.75GB地圖, 共漏了61萬個Handle的printscreen.

]]></description>
			<content:encoded><![CDATA[<p>為了一份 RMaps用的北海道離線地圖，又要用返Mobile Atlas Creator。</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/Atlas-Creator.png" title="Atlas Creator" rel="lightbox[624]"><img class="alignnone size-medium wp-image-626" title="Atlas Creator" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/Atlas-Creator-300x172.png" alt="" width="300" height="172" /></a></p>
<p>今次Upgrade 了新版1.7 解決了tilestore 太多零碎PNG文件問題，轉用了10MB一個的Cache file。3GB Cache file 只用3百多個檔案，相對前版幾十萬個png 檔好很多。但是memory limit問題和 handle leak 問題還未解決。</p>
<p>要Capture 大地圖就要修改memory limit，將 Start up command 內 Max memory 由預設的512MB改為大過輸出的地圖大小。</p>
<p>javaw -Xms64m <span style="color: #ff0000;">-Xmx2048M</span> -jar Mobile_Atlas_Creator.jar</p>
<p>但每下載一片地圖就漏一個Handle問題就未解決。除非每次下載幾萬片地圖就關閉Creator。</p>
<p>以下是昨日Capture 了1.75GB地圖, 共漏了61萬個Handle的printscreen.</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/Atlas-creator-handle-leak.png" title="Atlas creator handle leak" rel="lightbox[624]"><img class="alignnone size-medium wp-image-625" title="Atlas creator handle leak" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/Atlas-creator-handle-leak-300x198.png" alt="" width="300" height="198" /></a></p>
]]></content:encoded>
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		</item>
		<item>
		<title>新玩具, USB CAM</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/#comments</comments>
		<pubDate>Thu, 10 Jun 2010 06:26:52 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[其他]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=597</guid>
		<description><![CDATA[兩百人仔一支

]]></description>
			<content:encoded><![CDATA[<p>兩百人仔一支</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/IMAG0129_s.jpg" title="IMAG0129_s" rel="lightbox[597]"><img class="alignnone size-medium wp-image-604" title="IMAG0129_s" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/IMAG0129_s-300x225.jpg" alt="" width="300" height="225" /></a></p>

<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/0-1/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/0.1-150x150.png" class="attachment-thumbnail" alt="" title="0.1" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/attachment/0/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/0-150x150.png" class="attachment-thumbnail" alt="" title="0" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/resistor/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/resistor-150x150.png" class="attachment-thumbnail" alt="" title="capacitor" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/attachment/1/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/1-150x150.png" class="attachment-thumbnail" alt="" title="1" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/attachment/2/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/2-150x150.png" class="attachment-thumbnail" alt="" title="2" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/attachment/3/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/3-150x150.png" class="attachment-thumbnail" alt="" title="3" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/print/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/Print-150x150.jpg" class="attachment-thumbnail" alt="" title="Print" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/cpu_1/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/CPU_1-150x150.jpg" class="attachment-thumbnail" alt="" title="CPU_1" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/cpu_2/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/CPU_2-150x150.jpg" class="attachment-thumbnail" alt="" title="CPU_2" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/cpu_3/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/CPU_3-150x150.jpg" class="attachment-thumbnail" alt="" title="CPU_3" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/cpu_4/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/CPU_4-150x150.jpg" class="attachment-thumbnail" alt="" title="CPU_4" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/attachment/50/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/50-150x150.jpg" class="attachment-thumbnail" alt="" title="50" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/50_1/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/50_1-150x150.jpg" class="attachment-thumbnail" alt="" title="50_1" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/50_2/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/50_2-150x150.jpg" class="attachment-thumbnail" alt="" title="50_2" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/50_4/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/50_4-150x150.jpg" class="attachment-thumbnail" alt="" title="50_4" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/50_5/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/50_5-150x150.jpg" class="attachment-thumbnail" alt="" title="50_5" /></a>
<a href='http://www.stephenyeong.idv.hk/wp/2010/06/usb-microscope/imag0129_s/' ><img width="150" height="150" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/IMAG0129_s-150x150.jpg" class="attachment-thumbnail" alt="" title="IMAG0129_s" /></a>

]]></content:encoded>
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		</item>
		<item>
		<title>Type T thermocouple</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/06/t-thermocouple/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/06/t-thermocouple/#comments</comments>
		<pubDate>Thu, 10 Jun 2010 04:36:16 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[其他]]></category>
		<category><![CDATA[超頻]]></category>
		<category><![CDATA[thermocouple]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=591</guid>
		<description><![CDATA[今日收到了新訂的4條Type T sensor。今次連 Plug 買，貴多$30 ( HKD 80.44一條 )。
但個Plug用料比預期好，原來連接腳也是同樣物料以確保温度準確。

Wikipeida Thermocouple
Type T (copper–constantan)  thermocouples are suited for measurements in the −200 to 350 °C range.  Often used as a differential measurement since only copper wire touches  the probes. Since both conductors are non-magnetic, there is no Curie point and thus no abrupt change in [...]]]></description>
			<content:encoded><![CDATA[<p>今日收到了新訂的4條Type T sensor。今次連 Plug 買，貴多$30 ( HKD 80.44一條 )。</p>
<p>但個Plug用料比預期好，原來連接腳也是同樣物料以確保温度準確。</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/IMAG0128.jpg" title="IMAG0128" rel="lightbox[591]"><img class="alignnone size-full wp-image-592" title="IMAG0128" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/IMAG0128.jpg" alt="" width="640" height="480" /></a></p>
<p><a href="http://en.wikipedia.org/wiki/Thermocouple">Wikipeida Thermocouple</a><br />
Type T (<a title="Copper" href="http://en.wikipedia.org/wiki/Copper">copper</a>–<a title="Constantan" href="http://en.wikipedia.org/wiki/Constantan">constantan</a>)  thermocouples are suited for measurements in the −200 to 350 °C range.  Often used as a differential measurement since only copper wire touches  the probes. Since both conductors are non-magnetic, there is no <a title="Curie point" href="http://en.wikipedia.org/wiki/Curie_point">Curie point</a> and thus no abrupt change in  characteristics. Type T thermocouples have a sensitivity of about  43 µV/°C.</p>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Testing an old Display Card</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/06/testing-an-old-display-card/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/06/testing-an-old-display-card/#comments</comments>
		<pubDate>Fri, 04 Jun 2010 04:31:08 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[超頻]]></category>
		<category><![CDATA[XSPC]]></category>
		<category><![CDATA[水冷]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=587</guid>
		<description><![CDATA[幫人試水冷頭, XSPC D 頭好難上&#8230;..

]]></description>
			<content:encoded><![CDATA[<p>幫人試水冷頭, XSPC D 頭好難上&#8230;..</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/DSC0461.jpg" title="_DSC0461" rel="lightbox[587]"><img class="alignnone size-full wp-image-588" title="_DSC0461" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/06/DSC0461.jpg" alt="" width="643" height="427" /></a></p>
]]></content:encoded>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Koolance Quick Disconnect</title>
		<link>http://www.stephenyeong.idv.hk/wp/2010/05/koolance-quick-disconnect/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2010/05/koolance-quick-disconnect/#comments</comments>
		<pubDate>Mon, 31 May 2010 03:28:48 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[其他]]></category>
		<category><![CDATA[Koolance]]></category>
		<category><![CDATA[水冷]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=581</guid>
		<description><![CDATA[星期六收到德國寄訂返來的水冷毒品, 其中包括了Koolance 的Quick Disconnects Fitting.
點知唔試玩, 試水發現漏水。後來換了另一個, 比之前漏得更快。
原來連接時個角度有差會整壞個O-Ring.
今朝走去旺角買O-Ring, 買左20隻 18&#215;10x2mm (Koolance official 是17&#215;11x1.75mm) 作替代.

]]></description>
			<content:encoded><![CDATA[<p>星期六收到德國寄訂返來的水冷毒品, 其中包括了Koolance 的Quick Disconnects Fitting.</p>
<p>點知唔試玩, 試水發現漏水。後來換了另一個, 比之前漏得更快。</p>
<p>原來連接時個角度有差會整壞個O-Ring.</p>
<p>今朝走去旺角買O-Ring, 買左20隻 18&#215;10x2mm (Koolance official 是17&#215;11x1.75mm) 作替代.</p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/05/IMAG0108.jpg" title="IMAG0108" rel="lightbox[581]"><img class="alignnone size-full wp-image-582" title="IMAG0108" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2010/05/IMAG0108.jpg" alt="" width="599" height="394" /></a></p>
]]></content:encoded>
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		<slash:comments>1</slash:comments>
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