高清無用！

當人人都「講」高清時，我發看很多人其實都將Windows的display解像度set得比native低（可能使用者有老花？），見MSDN Blog Follow-up on High DPI resolution


從圖可見，只有55%的人用native resolution，可悲！

Quick Building a Web service client using Axis

After some studies, to my surprise, building a web service client using the Axis library (not the web service itself) is in fact very easy. I would like to summarize my experience in this blog.

1. Download Axis from the Apache web site and expand the zip file (Remark: in fact the whole package includes the server code. To build a client, only the jar files are needed. But for simplicity and because of the limited extra hard disk space, I recommend to expand the whole package).
   In my example, I have downloaded Axis version 1.1 and put it at /home/craft/whc/axis-1-1
   


2. Download the WSDL file of the web service. In this case, I have chosen the free stock quote example at webservicex at http://www.webservicex.net/stockquote.asmx?wsdl and store it in /home/craft/whc/StockQuote.wsdl
   


3. Use the WSDL2Java tool from Axis to crate the stub codes. Since we need to refer to the jar files in the Axis, I have built a script with classpath set appropriately
   

   #!/bin/sh java -classpath "/home/craft/whc/axis-1_1/lib/axis.jar: /home/craft/whc/axis-1_1/lib/log4j-1.2.8.jar: /home/craft/whc/axis-1_1/lib/commons-logging.jar: /home/craft/whc/axis-1_1/lib/commons-discovery.jar: /home/craft/whc/axis-1_1/lib/wsdl4j.jar: /home/craft/whc/axis-1_1/lib/jaxrpc.jar: /home/craft/whc/axis-1_1/lib/saaj.jar" org.apache.axis.wsdl.WSDL2Java StockQuote.wsdl

   The resultant files will be created at /home/craft/whc/NET/webserviceX/www
   


4. Create the simple client code (StockClient.java) as follows (I have hard-coded MSFT (Microsoft) for the stock code)
   

   import java.net.URL; import org.apache.axis.client.Service; import org.apache.axis.client.Call; public class StockClient { public static void main(String[] args) throws Exception { NET.webserviceX.www.StockQuote service = new NET.webserviceX.www.StockQuoteLocator(); NET.webserviceX.www.StockQuoteSoap port = service.getStockQuoteSoap(); String result = port.getQuote("MSFT"); System.out.println("Result = "+result); } }

   
   
5. Compile the client code with a script as follows (Please note that I have deliberately omitted the wsdl4j.jar because the wsdl file is no longer processed at run time and ass a dot (current directory in the classpath)
   

   #!/bin/sh javac -source 1.5 -classpath "/home/craft/whc/axis-1_1/lib/axis.jar: /home/craft/whc/axis-1_1/lib/log4j-1.2.8.jar: /home/craft/whc/axis-1_1/lib/commons-logging.jar: /home/craft/whc/axis-1_1/lib/commons-discovery.jar: /home/craft/whc/axis-1_1/lib/jaxrpc.jar: /home/craft/whc/axis-1_1/lib/saaj.jar:." StockClient.java

   
   
6. Run the complied class file (again, I have used a script to add the classpath. Moreover, since we need a http proxy to access the internet, I have defined these properties in during invoking the JVM using the -D switch
   

   #!/bin/sh java -classpath "/home/craft/whc/axis-1_1/lib/axis.jar: /home/craft/whc/axis-1_1/lib/log4j-1.2.8.jar: /home/craft/whc/axis-1_1/lib/commons-logging.jar: /home/craft/whc/axis-1_1/lib/commons-discovery.jar: /home/craft/whc/axis-1_1/lib/jaxrpc.jar: /home/craft/whc/axis-1_1/lib/saaj.jar:." -Dhttp.proxySet=true -Dhttp.proxyHost="10.36.250.25" -Dhttp.proxyPort=8080 StockClient

   
   The result is follows:
   
   [craft:/home/craft/whc (465)] run_client.sh
   Result = <StockQuotes><Stock><Symbol>MSFT</Symbol><Last>23.81</Last><Date>8/5/2009</Date><Time>4:00pm</Time><Change>+0.04</Change><Open>23.93</Open><High>24.25</High><Low>23.79</Low><Volume>53310240</Volume><MktCap>212.2B</MktCap><PreviousClose>23.77</PreviousClose><PercentageChange>+0.17%</PercentageChange><AnnRange>14.87 - 28.50</AnnRange><Earns>1.619</Earns><P-E>14.68</P-E><Name>Microsoft Corpora</Name></Stock></StockQuotes>
   

老年十忌

新開幕的時候，曾到過中央圖書館，但發覺很吵鬧，所以也沒有再去了。

近日心血來潮，去打打書釘，發覺環境清淨了很多，真是可喜可賀！

見到國寶季老季羨林的新書《真話能走多遠》，有一篇【老年十忌】，以季老９０多年歲寫這題目，特別有份量，同時亦覺得他的開明！

以下其十忌（其實只有九忌）

1. 說話太多


2. 倚老賣老（還有一很傳神的翻譯 To take advantage of out's seniority or old age）
   


3. 思想僵化


4. 不服老


5. 無所事事


6. 提當年勇


7. 自我封閉


8. （不見了）


9. 老想到死


10. 憤世嫉俗

希望自己老的時候還記的季老的教誨！