Google Charts tutorial

This short tutorial describes how to create chart using Google charts api

Resolve wrong plugin installation in the Eclipse

Eclipse gives error when I'm trying to open any .properties file -  

"An error has occurred. See error log for more details. 

org/eclipse/jpt/common/utility/Command"

This solution could resolve any wrong plugin installations errors, you could 

revert to your old configuration:

1.  Help -> About Eclipse
2.  Installation Details
3.  Installation History (tab)
4.  Select the last "good" configuration
5.  Press Revert

Ajax file uploading SyntaxError in ExtJs

After submitting the form with file it gives me SyntaxError <pre> </pre>in firefox , cause of this error was content type, it was application/json, to fix problem yous should change it to application/xml ( in java response.setContentType("application/xml"))

Speed up the gwt compiler

1) Add argument to the gwt compiler:
-draftCompile

2) In your *.gwt.xml specify browser, ex:
  <set-property name="user.agent" value="gecko1_8"></set-property>

Spring TaskExecutor and JavaMailSender

Spring has implementation for concurrency tasks based on java concurrency. Next I will create mail sending service (JavaMailSender - is extenden from JavaMail interface MailSender ) using task executor

Spring scheduled annotation

 Spring has nice feature called scheduler. Just simply create class and annotate method with @Scheduled(...) annotation and it's all. You have scheduled task, that wil be executed based on your time expression. Example:

Tomcat remote debugging

You can debug remote server for example from eclipse using JPDA.