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Created by James on August 05, 2014 13:35:05 Last update: August 05, 2014 13:36:15
This demo page shows how to fade text in the end of an abstract with a "Learn more..." link to the full text. This technique could be helpful when you want to display an RSS feed abstract in a fixed height element and provide a link to the full-length article at the bottom.
<html> <head> <title>Learn More</title> <...
Created by Fang on March 30, 2012 10:07:25 Last update: March 08, 2013 13:41:57
After a user resets a password, I want to force the user to change the password before she gets access to secured content. This is usually done with a servlet filter. But with Spring MVC, you can also use a HandlerInterceptor . According to Spring JavaDoc: HandlerInterceptor is basically similar to a Servlet 2.3 Filter, but in contrast to the latter it just allows custom pre-processing with the option of prohibiting the execution of the handler itself, and custom post-processing. Filters are more powerful, for example they allow for exchanging the request and response objects that are handed down the chain. Note that a filter gets configured in web.xml, a HandlerInterceptor in the application context. As a basic guideline, fine-grained handler-related preprocessing tasks are candidates...
Created by Fang on November 10, 2011 09:26:12 Last update: November 10, 2011 09:26:12
Syntax highlighted XML schema for JSF 2.0 Application Configuration Resource File ( faces-config.xml ). Almost 3000 lines!
<?xml version="1.0" encoding="UTF-8"?> <xsd:sch...
Created by Fang on September 07, 2009 20:44:15 Last update: November 03, 2011 14:43:19
Step 1: Repackage a web app as EAR A Java EE application is a multimodule Maven project. At the very least you'll need to package a WAR and an EAR. To get started, I'll simply re-package the simple webapp as an EAR. Create a directory named javaee-app Copy the webapp from here to javaee-app . Rename struts1app to webapp . Create pom.xml under javaee-app :
<project> <modelVersion>4.0.0</modelVersion>...Create a directory named ear under javaee-app . Create pom.xml under ear :
<project> <modelVersion>4.0.0</modelVersion>...Modify pom.xml in the webapp directory so that it looks like this:
<project> <modelVersion>4.0.0</modelVersion> ...Build with " mvn package " in the javaee-app directory. You can see that ear-1.0.ear is successfully generated in javaee-app/ear/target . Maven successfully resolves dependencies between the sub-projects....
Created by Dr. Xi on June 22, 2011 07:33:45 Last update: June 22, 2011 11:57:54
Demo code for CSV parsing with OpenCSV . Java code:
import java.io.*; import au.com.bytecode.opencs...Test with a simple CSV file:
psmith01,CLASS2B,Peter Smith 1,YEAR2,1,N,ADVANCED,...The parser worked correctly:
Line 1 has 11 values: |psmith01| |CLASS2B|...Test with a more complicated CSV file:
"psmith01 abc", "CLASS2B " , " Peter...Result:
Line 1 has 4 values: |psmith01 abc| |CLASS...The parser: Escaped quote and backslash correctly Ignored spaces before the quotation mark - sometimes (see below) Counted spaces after the right quotation mark till the comma as content, including the right quotation mark (bug). Ignored improperly quoted item - silently (third line) Indeed, the OpenCSV parser has a problem with spaces: Input:
"Smith, Jack", "210-345-8888" "Smith, J...Result:
Line 1 has 2 values: | Smith, Jack| |210-3......
Created by James on February 14, 2011 12:10:19 Last update: February 14, 2011 20:22:05
I have long noticed that IE8 displays a "broken page" icon while showing my web pages, but didn't pay much attention. Since the world in general considers IE to be broken, it's not so unlogical for IE to see much of the world as broken. Until one day I noticed that the Google home page was not "broken". Then I thought may be I should fix my pages also. So I moused over the "broken page" icon, and this is what I saw: Compatibility View: websites designed for older browsers will often look better, and problems such as out-of-place menus, images, or text will be corrected. Very descriptive indeed! Older browsers? Such as Firefox 1.5? When it comes to MS products, I often had better...
Created by James on July 19, 2009 20:51:23 Last update: January 11, 2011 20:14:18
If CSS3 border-image is properly supported, making a rounded corner box is very easy. You just need a round corner image like this: The following markup:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ...would render like this (try it in Firefox 3.5 and Google Chrome): However, IE as of version 8.0 does not support border-image . So until border-image is reliably supported in all major browsers, we still have to rely on tried and true tricks to make it work. In general, I found three general categories of tricks to make rounded corners: Good old tables. This trick creates a table of 9 cells and uses the 8 cells on the perimeter to render the borders and rounded corners. The central cell is used for...
Created by Dr. Xi on October 26, 2010 04:47:37 Last update: January 11, 2011 20:00:36
<!doctype html> <html> <head> <style typ...
Created by nogeek on December 31, 2010 11:56:25 Last update: December 31, 2010 11:56:25
These are the steps to create a JBoss 5.1.0 configuration with Tomcat from the built-in minimal configuration. Change directory to $JBOSS_HOME/server . Make a copy of the minimal configuration.
cp -R minimal tomcatonlyCopy bindingservice.beans from the default configuration.
cp -R default/conf/bindingservice.beans tomcatonly...Copy login-config.xml from the default configuration.
cp default/conf/login-config.xml tomcatonly/conf/Edit tomcatonly/conf/jboss-service.xml : Add jars from the common/lib directory:
<!-- Load all jars from the JBOSS_DIST/serv...Add the JAAS security manager section (copy from the default profile, and yes, JBoss tomcat can't live without the JBoss JAAS manager).
<!-- JAAS security manager and realm mappin...Copy the Tomcat (JBoss web) deployer from the default configuration.
cp -R default/deployers/jbossweb.deployer tomcaton...Copy metadata-deployer-jboss-beans.xml and security-deployer-jboss-beans.xml from the default profile.
Created by Fang on August 10, 2010 21:37:36 Last update: October 25, 2010 20:18:47
The tags <fmt:formatNumber> Format a numeric value as number , currency or percentage - controlled by the type attribute (defaults to number if type is missing). Syntax:
<fmt:formatNumber value="numericValue" [type="...Attributes: Name Dynamic? Type Description value true String or Number Numeric value to be formatted. type true String Specifies whether the value is to be formatted as number, currency, or percentage. pattern true String Custom formatting pattern, must follow the pattern syntax specified by the class java.text.DecimalFormat . currencyCode true String ISO 4217 currency code. Applied only when formatting currencies (i.e. if type is equal to "currency"); ignored otherwise. currencySymbol true String Currency symbol. Applied only when formatting currencies (i.e. if type is equal to "currency"); ignored otherwise. It is used only when currencyCode is...
Created by Fang on April 04, 2010 04:12:14 Last update: July 21, 2010 14:52:58
The tags <c:if> The <c:if> tag may be used with or without body content:
<!-- Without body content, used to export vari...In my opinion, the version without body content is pretty much useless (the <c:set> tag is a lot more meaningful for this purpose). If body content exists, it is inserted into the page if the testCondition is true . Optional attributes var and scope may be specified. If var is specified, a variable whose name is the value of var is exported to the associated scope ( pageScope if no scope is specified). The type of the exported variable is Boolean and its value is the value of the testCondition . <c:choose>, <c:when>, <c:otherwise> These tags imitate the Java control structure if...else...