Here are some of the high voted answers:
How to pass parameters on onChange of html select
Remove substring from the string
Difference between plugins and Ruby gems?
java.sql.SQLException: No suitable driver found for jdbc:microsoft:sqlserver
Adding one month to current date?
On StackOverflow - focusing (or atleast that's the intention) on :
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Android Mobile Platform: Android SDK (https://groups.google.com/forum/?fromgroups#!forum/android_learning)
Functional Programming: Groovy
SOA: Web Services (SOAP/REST), Spring REST and related stuff
Front End: Java FX, Java Web-Mobile Components, MVC (Spring, Struts), Ajax, HTML5, JavaScript, JFreeChart, RIA, Jquery, CSS, JSON, JSTL, Tag Libraries.
Networking,Administration: Linux Kernel Services/Configuration, Linux Filesystem/Package/Account Management, TCP/IP, NFS, Clustering, Opsview.
Big Data: Hadoop
Data Science: Github
Cloud: AWS
No SQL: MongoDb
Algorithms: Divide & Conquer, Graphs, Data structures(Heaps, Hash tables, Search trees), Randomized algorithms
Scripting: Bash, Shell, Excel VBA.
Search Engine Technology: Lucene
Project Management: Agile, Scrum.
OS: Ubuntu, Windows.
SCM: Configuration Management(Maven ,Ant), Continuous Integration.
Other: XML Technologies, Apache Libraries

Interested in learning more about JVM Languages/Functional Programming(Scala, Closures), No-Sql Databases, Search Engine technologies(SolR), Cloud Computing, Web 2.0 Frameworks (RubyOnRails, Groovy On Grails, Play Framework), Mobile Development\Frameworks (Apache Cordova), Agile/Scrum.

Oct
22
revised trying to grasp basic thread synchronisation in java
added 6 characters in body; edited tags
Oct
21
comment why clonning of Object's object is not possible?
What is your use-case?
Oct
20
answered How do I read in a String from a file that may or may not be there?
Oct
20
comment Getting the reciprocal in a number exception in Java
Change to equals for sure
Oct
20
comment Getting the reciprocal in a number exception in Java
@sam_rox: == operator compares the object reference however string literals return true when compared to each other using == operator as they point to the same Object
Oct
20
comment Getting the reciprocal in a number exception in Java
@sam_rox: Same! +1
Oct
20
revised Getting the reciprocal in a number exception in Java
added 47 characters in body
Oct
20
answered Getting the reciprocal in a number exception in Java
Oct
19
answered Java, class member or method-local variable: which one is better for performance?
Oct
19
reviewed Approve suggested edit on how to install Stratos 1.5.2
Oct
19
reviewed Approve suggested edit on Applying the use of Functions and Procedures
Oct
19
reviewed Approve suggested edit on Android Search View
Oct
17
awarded Yearling
Oct
16
reviewed Approve suggested edit on c# get existing values in datagrid combobox items
Oct
16
reviewed Approve suggested edit on How to use bundler with dojo in .Net MVC4
Oct
16
reviewed Approve suggested edit on Runing class method multiple times parallel in Python
Oct
16
reviewed Approve suggested edit on MySQL multiple subquery
Oct
16
reviewed Approve suggested edit on From VB6 checking if date exist in holiday table in access
Oct
16
reviewed Approve suggested edit on POST request in AJAX on the same page on laravel
Oct
16
reviewed Approve suggested edit on pagify.js and reloading / refreshing div
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