Blog Archives
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Power of SQL as a productivity tool

There are times where you need to generate “INSERT” SQL statements from existing data. For example, you may have a production release ready “Delete” SQL statement as shown below to remove some existing records.

For this script, you need to have a rollback script to insert the values back in.

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QuickFix Java example sending and recieving FIX messages

If you like to work on trading applications, you need to know the  FIX protocol and a FIX  engine like QuickFIX/J.  This extends our simple QuickFIX Java example tutorial. This assumes that you understand the first QuickFIX Java tutorial. … Read more ›...

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Remote debugging in Java with Java Debug Wire Protocol (JDWP)

What is remote debugging? It is increasingly essential with the globalization to be able to debug a Java application that is deployed remotely, in another country or city. You will come across scenarios where an application might be running fine in your sandbox (i.e. local desktop), but might be buggy...

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RESTful Web Service Tutorial with Apache CXF, Maven, and Eclipse

Nowadays, it is more common to work with RESTful Web Service than with SOAP based Web service. This RESTful Web Service using the Apache CXF library assumes that 1) You have set up you Java, Maven, and Eclipsr 2) You have set up your Tomcat Server 3) You Have gone...

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RESTful Web Service Tutorial with RESTEasy, Spring, Maven, and Eclipse

Nowadays, it is more common to work with RESTful Web Service than with SOAP based Web service. This RESTful Web Service using the RESTEasy library assumes that 1) You have set up you Java, Maven, and Eclipse 2) You have set up your Tomcat Server 3) You Have gone through...

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Setting up Groovy beginner tutorial with eclipse & command-line

Groovy is a general purpose scripting language which runs on the JVM, and can be viewed as a superset of Java. There are jobs requiring Java and Groovy skills. Any “.java” file can be renamed to “.groovy” and run via the groovy. Java needs two step process like “javac” to compile and “java”

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SOAP Web Service Tutorial with Apache CXF, Maven, and Eclipse

This is an extension RESTful service with Apache CXF . This tutorial modifies the same one for SOAP based Web Service. 1) You have set up you Java, Maven, and Eclipsr 2) You have set up your Tomcat Server 3) You Have gone through the Simple Web tutorial 4) You...

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Splunk to analyse Java logs and other machine data

Q1. What is Splunk and where will you use it?
A1. Splunk is an enterprise-grade software tool for collecting and analyzing “machine data” like log files, feed files, and other big data in terra bytes. You can upload logs from your websites and let Splunk index them,

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Spring 3.0 tutorial – Part 1 (Setter DI )

This is a very simple Spring setter DI (depenendency injection tutorial). This assumes that you have gone through the “Setting up Java, Maven and Eclipse” tutorial. To recap:

1) Java, Maven, and eclipse are set up.
2) You have run the Maven archetype:generate command to create a skeleton structure.

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Spring 3.0 tutorial – Part 2 (Constructor DI )

This is a very simple Spring constructor DI (depenendency injection tutorial). This assumes that you have gone through the “Setting up Java, Maven and Eclipse” tutorial. To recap: 1) Java, Maven, and eclipse are set up. 2) You have run the Maven archetype:generate command to create a skeleton structure. …...

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Spring 3.0 tutorial – part 3 (Setter DI with annotations)

This is a very simple Spring setter DI (dependency injection tutorial) using annotations. This assumes that you have gone through the “Setting up Java, Maven and Eclipse” tutorial. To recap:

1) Java, Maven, and eclipse are set up.
2) You have run the Maven archetype:generate command to create a skeleton structure.

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Spring 3.0 tutorial – part 4 (Setter DI with annotations and Java Config instead of XML)

This is a very simple Spring setter DI (dependency injection tutorial) using annotations. This is using a Java based Spring configuration with @configuration annotation as opposed to an XML based file. This assumes that you have gone through the “Setting up Java, Maven and Eclipse” … Read more ›...

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Spring 3.0 tutorial – part 5 (Setter DI with Spring AOP and AspectJ)

This is a very simple Spring AOP tutorial using AspectJ. This assumes that you have gone through the “Setting up Java, Maven and Eclipse” tutorial and the other Spring tutorials 1 to 3. This annotation profiles the time taken to execute the annotated methods.

You need to have a project structure as shown below with the relevant artifacts.

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