Thursday, May 28, 2009

Microsoft to replace its live search engine with a new decision based engine “ Bing”


In order to compete with the giant search engine, Google, Microsoft has unveiled its new search engine, Bing. On May 28, 2009, Microsoft CEO Steve Ballmer has announced the new incarnation of live search as Bing, formerly code-named "Kumo". Bing is fully available from June 3, 09.
Microsoft has claimed that Bing is not only the search engine but a Decision Engine, designed to empower people to gain insight and knowledge from the Web, moving more quickly to important decisions.
“Today, search engines do a decent job of helping people navigate the Web and find information, but they don’t do a very good job of enabling people to use the information they find,” said Steve Ballmer, Microsoft CEO. “When we set out to build Bing, we grounded ourselves in a deep understanding of how people really want to use the Web. Bing is an important first step forward in our long-term effort to deliver innovations in search that enable people to find information quickly and use the information they’ve found to accomplish tasks and make smart decisions.”

Microsoft has aimed to gun down Google with Bing. Microsoft has already announced an $80 to $100 Million ad campaign for Bing. Google has spent about $25 million on all its advertising last year with $11.6 million for recruiting.
As show in the graph Microsoft search market share has been lowering down with just an 8.2% share of the market for core search compared to 64.2% for Google and 20.4% for Yahoo. Microsoft has been struggling to for improving its search advertisement revenue. Last year only Microsoft has offered more than $47 billion dollar bid. They might come up with another Microsoft-yahoo search deal by mid July.
Good luck to the Microsoft for the new product!






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Friday, January 30, 2009

Read Environment Variables with Groovy

Environment variables can be easily accessed with Groovy with getenv() method as shown below.


def env = System.getenv()
//Print all the environment variables.

env.each{
println it
}
// You can also access the specific variable, say 'username', as show below
String user= env['USERNAME']


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Tuesday, November 4, 2008

Spring’s JDBC Template Set Up for a Grail Application

To take an advantage of the Spring JDBC Template for any Grail application, the first thing you need to do, is to define the DataSource bean in resources.groovy , Don’t forget to have the jdbc driver(.jar) corresponding to your backend database server under the lib folder of your grail application.

For example ,resources.groovy is shown as below,

import org.springframework.jdbc.core.JdbcTemplate
import org.apache.commons.dbcp.BasicDataSource




beans = {
myDataSource(BasicDataSource) {
driverClassName = "oracle.jdbc.OracleDriver"
url ="jdbc:oracle:thin:@ . . . . . “
username = "myUser"
password = "myPass"
}
jdbcTemplate(JdbcTemplate)
{
dataSource=myDataSource
}

}




If you have used MS SQL server as your back end database, the driver class name and the url format is as follow.

myDataSource(BasicDataSource) {
driverClassName = "com.microsoft.jdbc.sqlserver.SQLServerDriver"
url = "jdbc:microsoft:sqlserver://myDataBaseServerURL"
}

Similarly for MYSQL database server, the driver class name and the url format could be as follows :

dataSource {
driverClassName = "com.mysql.jdbc.Driver"
url = "jdbc:mysql:// myDataBaseServerURL "
username = "myUser"
password = "myPass"
}

Once its set up you can simply make a query as follows
myResult = jdbcTemplate.queryForList (myQuery)

where myQuery is the query that needs to be execute on the remoteDatabase.
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Wednesday, July 16, 2008

Generate Random Alphanumeric Random String of N Characters with Groovy or Java

I was googling for a Alpha-numeric Random String generation. I come up with two solution. One option is to generate Random Alphanumeric Strings with RandomStringUtils available on Apache Common . The following section of code is borrowed from java2s.com


import org.apache.commons.lang.RandomStringUtils;
public class RandomStringUtilsTrial {
public static void main(String[] args) {

//Random 8 chars string where letters are enabled while numbers are not.
System.out.print("8 char string using letters but no numbers >>>");
System.out.println(RandomStringUtils.random(8, true, false));

}
}


Other Option can be using the Java Uitil class Random as shown below. You don’t have to worry about Apache Common API. The following code section (written for Groovy) generates 100 '32 characters' long Alphanumeric Random string.



private static String validChars ="ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890_"
private int IDlength=32
int maxIndex = validChars.length()
for(i in 0..99)
{ String resultID = ""
java.util.Random rnd = new java.util.Random(System.currentTimeMillis()*(new java.util.Random().nextInt()))
for ( i in 0..IDlength ) {
int rndPos = Math.abs(rnd.nextInt() % maxIndex);
resultID += validChars.charAt(rndPos)
number=resultID
}

println resultID
}



Good luck !
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Thursday, July 10, 2008

cURL , A command line tool with URL Support !

One of my co-worker introduced a tool named cURL to me today. It a quite handy command line tool for transferring files with URL Syntax supporting most of the interner protocols like FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, LDAP, LDAPS and FILE. curl supports SSL certificates, HTTP POST, HTTP PUT, proxy tunneling , HTTP form based upload, proxies, cookies, user+password authentication (Basic, Digest, NTLM, Negotiate, Kerberos and many more)

You can download cURL from http://curl.haxx.se/ . It’s a free and open software tools.

For example curl http://nepalnews.com : return a html version of your web page in your console window. Its detail tutorial and example can be found at http://curl.haxx.se/docs/httpscripting.html

I have use curl on the following
curl -X POST -H 'Content-type: text/xml' -d @ http://myserver.com/process.gsp < firstfocus.xml

Here I am sending an xml file, firstfocus.xml, to the server myserver.com . process.gsp do calls the controller which helps in the business logic at the back end and return the result on my console window. It’s a pretty good tool for testing and development environment.
Thanks to Joshua for letting me know about this tool and its usage.
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Saturday, June 7, 2008

Free Java Technology Cources!

Dear Readers,
If you are interested with free online courses on java technologies, http://www.javapassion.com/ could be a good platform for you. Shan Shin teaches the courses. Sang Shin is presently working for Sun Microsystems as a Technology architect, consultant, and evangelist. After a successful completion of any courses you are awarded with the Certificate from java passion. I suggest you all to register for at least one source at a time. Detail about the schedule and courses can be seen at the course home page. Currently he is offering the following courses and all are totally free.

  • Java Programming (with Passion!)
  • Performance, Debugging, Testing, Monitoring, and Management (with Passion!)
  • Java EE Programming (with Passion!)
  • Ajax Programming (with Passion!)
  • Web Services Programming (with Passion!)
  • Sun Java System Identity Manager (with Passion!)
  • Java FX Programming (with Passion!)
  • JRuby on Rails (with Passion!)
  • Groovy and GRails (with Passion!)
  • Java ME Mobility Programming (with Passion!)

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Friday, May 9, 2008

How to read a Java Session Back bean of a JSF page from JSP pages

In this section I am describing about accessing a JSF back bean from a JSP page.
Lets us take an example of a java back bean ServerInfo for a JSF page

// File Name : ServerInfo.java
package thomson.com;
public class ServerInfo {
String server;
String environment;

public String getServer() {
return server;
}

public void setServer(String server) {
this.server = server;
}
}

Bean is defined on faces-config.xml as following

<navigation-rule>
<from-view-id>/index.jsp</from-view-id>
<navigation-case>
<to-view-id>/process.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<managed-bean>
<managed-bean-name>ServerInfoBean</managed-bean-name>
<managed-bean-class>thomson.com.ServerInfo</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>

Now lets take an example of JSF page section that sets up the java bean ServerInfoBean from the input text of the form as shown below

//File name: index.jsp
<f:view>
<h:form id="serverForm">
<h:outputLabel for="serverName">
<h:outputText value="Enter the Server Name"/>
</h:outputLabel>
<h:inputText id="serverName" value="#{ServerInfoBean.server}" required="true"/>
<h:message for="serverName"/>
<br>
<h:outputLabel for="environment">
<h:outputText value="Select Environment"/>
</h:outputLabel>
</h:form>
</f:view>

Now in process.jsp the back bean can be accessed as shown below

File name : process.jsp
..
<%
ServerInfo mbean = (ServerInfo) request.getSession().getAttribute("ServerInfoBean");
String server = mbean.getServer();
Out.print(“server name read from the jsf back bean =” +server)

%>

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