Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 8 years ago. Improve this question As per this answer here both java objects and primitives go on heap. …
No action mapped error while running Struts 2 app on Netbeans 7.3.1
Trying to build a Struts 2 app which directs the user to a page (Display.jsp) that shows the color of a user defined RGB color configuration. I get the example from the Struts 2 Tutorial by Budi Karniawan. When I manually cut and paste the source code and build the app manually as an NB Web application, it ru…
Could not connect to the database Network error IOException: Connection refused: connect
I am running a SQL Server Express 10.50.4000.0 on my machine. I have enabled on the TCP/IP and made sure the port is set to 1433. I have added an exception in my firewall for 1433. The server service is running. I have tried localhost and the computer name and both give the same error. When i try localhostSQL…
Should the Exception.Message property be shown directly to users? [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 8 years ago. Improve this question That may sound like a silly question but I’d like to gather som…
How to add column on existing table in android SQLite?
how to add column in the existing table LOGIN. here’s my sample code. this is my DataBaseAdapter class: this is my LoginDataBaseAdapter how can I add the columns FIRSTNAME(from TextView), LASTNAME(from TextView), DEPARTMENT(from Spinner). Answer You’ll have to update your SQLite database version f…
Jackson read json in generic List
I’m using Jackson in order to read json messages. One of the values that I’ trying to parse is a List and another value contains the type of the data in the list. This is the structure i ‘ve created in java. Through Class.forName(); I can get the class which represents the data in the list. …
is there anyway to convert from Double to BigInteger?
Is there anyway to convert from double value to BigInteger? I try to cast it but it didn’t work. Answer If you want to store the integral part of the double into a BigInteger, then you can convert it into a BigDecimal and then into a BigInteger:
Redirect to an external URL from controller action in Spring MVC
I have noticed the following code is redirecting the User to a URL inside the project, whereas, the following is redirecting properly as intended, but requires http:// or https:// I want the redirect to always redirect to the URL specified, whether it has a valid protocol in it or not and do not want to redir…
Convert seconds into T1H15M5S (ISO_8601)
I would like to convert a number of seconds into ISO_8601/Duration in Java. http://en.wikipedia.org/wiki/ISO_8601#Durations Are there any existing methods to do it that are already built in? Answer Since ISO 8601 allows for the individual fields in a duration string to overflow, you could just prepend “…
JSP input comes null to servlet
I’m trying to pass parameter to jsp to servlet. And my code is : Server side : JSP side : When i run it on localhost kullanici variable comes null. Any solution ? EDİT : Answer I think you mean that you want to go FROM a jsp TO a servlet. If that’s the case, look the action attribute: If