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anirudh jagithyala

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since Dec 07, 2010

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Recent posts by anirudh jagithyala

Can we sort using a single loop?

where 'x' is the integer array name, 'n' is the number of elements in 'x'.
This for loop sorts the elements of the array in ascending order. To sort in descending order, change "if ( x[ i ] < x[ i + 1 ] )" to "if ( x[ i ] > x[ i + 1 ] )"

I have no way of testing all of these, but I'm pretty sure they'll work.

12 years ago

Programming Diversions

Be the Compiler

the code in the first case executes the finally block

try{
//some code
return;
}finally{

}

12 years ago

Programming Diversions

Problem reading a file

Hey Dom,

Your code works fine for me..
i get the output as that of the file.
your output is obtained only when there is a space in the file. You could check comparing the output with space.

Please try out with some other files to read...... and i feel its the error is with the file you read.

12 years ago

Java in General

Problem reading a file

hi R Dom,

Could you post the entire code.....?
Might be you are printing some blank space.........

12 years ago

Java in General

Benefits of Increment Operator

Agree.

Further (Adding to the explanation which i came across in my early days when i was learnin C++)

if we observe

i=i+1;--> 2 operations i.e, mathematical addition operation and then assignment operation.

i++ or ++i ----> only one operation i.e, increment

I guess these operators existed in C and C++ because some microprocessors have instructions for exactly these operations. A compiler has an easy job when it finds one of these operators in your source code, because it can then just convert the code to those machine language instructions directly. I think any modern C or C++ compiler nowadays would be smart enough to also optimize a statement like i = i + 1 to an efficient, single machine language instruction, but really old C compilers of the 1970's might not have such optimizations built-in.

This number of operations also effect the processing time, processing efficiency and also the complexity,
We would be more clear if we think the same in view of cpu processing.

This is also one of the reason but is not the only reason.. as there may be many other factors effecting the processing capabilities....

13 years ago

Adding parameter on select statement

hey Caleb,
where are you getting the errors.... Isit for your code or the code which i gave
Did you try the code with prepared statement..

please ellaborate

13 years ago

JDBC and Relational Databases

Adding parameter on select statement

you can also try the concept of prepared statement

i am not clear with the question, might be this would help....

13 years ago

JDBC and Relational Databases

problems validation.xml in struts 2

Hey Manish,

After observing your files closely i found a mistake.....
Mostly that might cause the error

First remove all the error tags { sorry for that}
then check yout EmployeeLogin.jsp withe the validation.xml file

EmployeeLogin.jsp

</head> <body> <div id="global"> <h3 align="center">Employee Login</h3> <s:form action="Login" validate="true"> <table align="center"> <tr> <td><s:textfield name="userName" label="User Name" </td> </tr> <tr><td><s:password name="password" label="Password" /></td></tr> <tr><td><s:submit/></td> </tr> </table> </s:form> </div> </body> </html>

login-validation.xml

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE validators PUBLIC 'PUBLIC:-//OpenSymphony Group//XWork Validator 1.0.2//EN' "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd"> <validators> <field name="userNAME"> <field-validator type="required"> <message>User Name is required </message> </field-validator> </field> <field name="password"> <field-validator type="required"> <message>Password is required </message> </field-validator> </field> </validators>

The name in the login.jsp and the validator.xl must be the same ,,, here you user "userName" in login.jsp and "userNAME" in validator.xml they are different.........

Hope this helps

13 years ago

problems validation.xml in struts 2

check the tld file for each kind of the error tags as below............{please read the previous messages in details}

<s:errors/> tag { it needs to be used in EmployeeLogin .jsp}.......???
with an taglib statement in the begining as: <%@taglib uri="/WEB-INF/struts-html.tld" prefix="s" %>

On the top of your jsp page you can have some like this:
view plaincopy to clipboardprint?
<%@ taglib uri="taglib.tld" prefix="s" %>

<s:forEachError>
<br><%=errorProperty%> : <%=errorMessage%>
</s:forEachError>

13 years ago

problems validation.xml in struts 2

<%@ taglib uri="/struts-tags" prefix="s"%>

On the top of your jsp page you can have some like this:

13 years ago

problems validation.xml in struts 2

Please edit your first post with code tags....

i feel the EmployeeLogin.jsp is not complete.....

where did you use the <s:errors/> tag { it needs to be used in EmployeeLogin .jsp}.......???
with an taglib statement in the begining as: <%@taglib uri="/WEB-INF/struts-html.tld" prefix="s" %>

13 years ago

problems validation.xml in struts 2

Welcome to Ranch..

Please use code tags to post any kind of code

Now, about your question did you try to refer and use the error tags
<html:errors/>

in your case try to insert the tag <s:errors/> ---------- this tag is used to display all the error messages
if you need to display the error message for each and every property at different positions <s:errors property="propertyname"/>

Hope it helps

13 years ago

Declaration of static members

If the array is given with some value before using it then it would work....

13 years ago

Declaration of static members

Might be a "NullPointerException" or "ArrayIndexOutOfBoundsException"..........
Did you try to execute the same....?

13 years ago

Check file size with Javascript before uploading

Try to experiment with other options in the security tab....
Mostly this error would be due to "Initializing and Script Activex controls not marked as safe"-----

if that doen't work try out this

http://forums.devx.com/showthread.php?threadid=5092

13 years ago

HTML Pages with CSS and JavaScript