subhadeep chakraborty

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since Jul 29, 2006
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Recent posts by subhadeep chakraborty

Thanks Sudipto, for your detailed suggestion. This will be of much help. Thanks
9 years ago
Thanks Sudipto, Actually I have to attend a interview soon. What should a Java Developer know atleast on Weblogic 10.3 ?
9 years ago
Hi,
I want to learn Weblogic 10.3 from a developer perspective and to some extent about administration. I have the book "Weblogic 8.1 Unleashed". Can I use it to understand the basics ? Where does it mainly differ from 10.3 Please suggest.

Thanks.
9 years ago
Thanks Tim and Bill for your valuable inputs. I have a question for Bill.
Please elaborate your answer. Since I am new to this, please mention particularly which are the technologies(Jaxb, uddi etc) I need to know at the least. Please also mention the book you would like me to follow.
Hope you understand me.

Thanks,
Subhadeep
9 years ago
Hi,
I am new to webservices. How do I prepare for webservices interview. I want to know how most companies the IT industry uses webservices. For eg. do they use Axis ? Or just knowing the basics of webservices will do. Please suggest .

Regards,
Subhadeep
9 years ago
hi,
I am looking for good computer magazines which can give me idea about
1) New computer languages,
2) New computer science discoveries.
3) A java/j2ee magazine.
4) Magazines which I can get as hard copies in India.
5) Your favorite magazines that you would like to suggest.

Regards,
Subhadeep
10 years ago
hi,
I think I will start with Lucene, probably I will be able to understand where each of them fit. Thanks.

Regards,
Subhadeep
10 years ago
hi,
I am struggling to understand the search APIs. Few of them that I know are Lucene and Hibernate Search. Lucene is a text search api(not database) and with hibernate i can search the database.Am I correct ? Please advice me on which search api is good and in which way. What are the other good search APIs in the market. I am a java developer and looking for a search api to search the database.

Regards,
subhadeep
10 years ago
Hi,
I am really sorry for this unavoidable delay. Please don't think otherwise.
I have a small doubt.

if(result != null) // Case another thread altered it
System.out.println("Previous value: " + result);
}



As I understand, this is to understand when element has been added.

and,

But the above is about 250% faster


This is because the above code will call putifAbsent() less frequently.

Is my understanding correct ?

Thanks,
Subhadeep


11 years ago
hi,
I need an ThreadSafe collection.I am unable to understand the difference between unmodifiablexxx() and Singletonxx() of Collections class ,both seem to return immutable objects. So are they threadSafe ?

If I can use immutable object I donot want to use synchronized Collections (synchronizedxxx())
Please Advice.

Thanks,
Subhadeep
11 years ago
hi,
Thanks for you response.My existing application gets the data from session and if I store the data in application
context I shall have to go through the whole application and change.I do not want to do that.

Is it possible to override weblogic 10.3's HttpSession implementation and override getAttribute() to do my work.

Is there a different way?

Thanks,
SUbhadeep
11 years ago
Hi,
I have a situation where on each login huge data is fetched from database and stored into the users session. I do not want the database query to run every time and want to load the data at application startup in applicaion scope thus making session contain less data and also decreasing the database query time. My whole application is getting the data currently from session and I donot want to change it. Is there a way to do this ?
Is it possible to override weblogic 10.3's HttpSession implementation and override getAttribute() to do my work.

Thanks,
Subhadeep
11 years ago
Thanks "Seetharaman". I understand that its difficult to answer these sort of questions and I am not expecting a direct answer.We have people here having a lot of experience and knowledge and if they guide us a bit we can take better decisions.
I have these questions.
1) Can any other language integrated with java be of some help.
OR
2) Do you think that if correctly implemented a satisfactory answer can be found with only java.

Thanks,
Subhadeep.
11 years ago
hi,
I have a doubt whether its better to use pagination logic in jsp and store the data in session or store the same on the persistence layer such as hibernate.

As I understand.
If you are storing in Jsp ,memory use will be high and this is more of model work then view work(storing the data).
If I store it in the persistence layer, the request has to go all the way to get the data.

The scenario is :-
1) User might access any of the pages abruptly and there are lots of pages(100).
2) How does the solution get effected in case of a clustered environment.

Thanks,
Subhadeep
11 years ago
Sorry for answering late. Thank you all for helping me out with the answers,
Just wanted to know is there any book which would give me a better insight into understanding concepts like this. I have read books like scjp1.6 Kathy Sierra, scjp 1.4 khalid Mughal, Complete Reference, Core Java(Vol 1) Sun Press and Effective Java.

Thank you.
11 years ago