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Enterprise Java
ActiveMQ: Understanding Memory Usage
As indicated by some recent mailing list emails and a lot of info returned from Google, ActiveMQ’s SystemUsage and particularly…
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Enterprise Java
Session Timeout Handling on JSF AJAX request
Session Timeout Handling on JSF AJAX request When we develop JSF application with AJAX behaviour, we may experience the problem…
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Groovy
A very light Groovy based web application project template
A very light Groovy based web application project template You might have heard of the project Grails is a Groovy…
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Core Java
What is a PermGen leak?
What follows is a practical introduction to a specific type of memory problems in Java applications. Namely – we will…
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Software Development
Git: Committing vs Pushing vs Stashing – OR: “what to do if I just want to work locally”
Many people ask me for advice when they’re trying to modify some code locally without the changes finding their way…
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Software Development
Recycle Bin in Database
Oracle introduced in database 10g new feature called ‘Recycle Bin’ to store the dropped database objects. If any table is…
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Android Core
ADT Bundle – Just a single step to setup android development environment
I got many queries from college students and engineers regarding installation and setup of Android development environment, so for them…
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Enterprise Java
Google Guava EventBus and Java 7 WatchService for Event Programming
This post is going to cover using the Guava EventBus to publish changes to a directory or sub-directories detected by…
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Core Java
Using Cryptography in Java Applications
This post describes how to use the Java Cryptography Architecture (JCA) that allows you to use cryptographic services in your…
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