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How do I get whole and fractional parts from double in JSP/Java?
...0e100 you will get 0. A lot of the times you need the double value simply "floored" for which there is floor(). If you want both integral and fraction parts use modf(). Really, this is a bad answer.
– mojuba
Jan 22 '16 at 20:07
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JSP tricks to make templating easier?
... work I've been tasked with turning a bunch of HTML files into a simple JSP project. It's really all static, no serverside logic to program. I should mention I'm completely new to Java. JSP files seem to make it easy to work with common includes and variables, much like PHP , but I'd like to kn...
Strip whitespace from jsp output
How can I strip out extra whitespace from jsp pages' output? Is there a switch I can flip on my web.xml? Is there a Tomcat specific setting?
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Include another JSP file
I am currently trying to learn JSP. My question is, at present I used to include the header and footer of the page using:
6...
Migrating from JSF 1.2 to JSF 2.0
...view technology which you are currently using and which you want to use.
JSP 2.x to JSP 2.x = Almost no effort.
Facelets 1.x to Facelets 2.0 = Little effort.
JSP 2.x to Facelets 2.0 = Lot of effort. Double this if you also have custom components.
Basic changes
Regardless of the view technolog...
doGet and doPost in Servlets
...t. I.e. doing some business stuff before presenting the HTML output from a JSP, such as gathering data for display in a table.
@WebServlet("/products")
public class ProductsServlet extends HttpServlet {
@EJB
private ProductService productService;
@Override
protected void doGet(Htt...
How to convert number to words in java
...e = "12345.67" ;
Float num = new Float( phrase ) ;
int dollars = (int)Math.floor( num ) ;
int cent = (int)Math.floor( ( num - dollars ) * 100.0f ) ;
String s = "$ " + EnglishNumberToWords.convert( dollars ) + " and "
+ EnglishNumberToWords.convert( cent ) + " cents" ;
Another way to us...
How to get parameters from the URL with JSP
In JSP how do I get parameters from the URL?
9 Answers
9
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Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
... in sending emails
Velocity's template language syntax is far simpler than JSP EL or tag libraries
Strict separation of view logic from any other sort of logic - no possible option to drop down to using scriptlet tags and doing nasty things in your templates.
Placeholders - do velocity/freemak...
Learning Ant path style
... regexp [a-z]+ as a path variable named "spring"
Some examples:
com/t?st.jsp - matches com/test.jsp but also com/tast.jsp or com/txst.jsp
com/*.jsp - matches all .jsp files in the com directory
com/**/test.jsp - matches all test.jsp files underneath the com path
org/springframework/**/*.jsp - matc...