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Reducing memory consumption by 20x

This is going to be another story sharing our recent experience with memory-related problems. The case is extracted from a recent customer support case, where we faced a badly behaving ...
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MongoDB to CSV

Every once in a while, I need to give a non-technical user (like a business analyst) data residing in MongoDB; consequently, I export the target data as a CSV file (which they can presumably ...
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5 Reasons to use Guava

Guava is an open source library containing many classes for Java and written by Google. It’s a potentially useful source of miscellaneous utility functions and classes that I’m ...
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Goodbye Guvnor. Hello Drools Workbench.

Many things are changing for Drools 6.0. Along with the functional and feature changes we have restructured the Guvnor github repository to better reflect our new architecture. Guvnor ...
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Android listview background row style: Rounded Corner, alternate color

One aspect we didn’t consider in the previous posts is how we can apply style or background to the Listview items (or row). We can customize the look of the ListView in the way we ...
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Choosing between a Pen Test and a Secure Code Review

Secure Code Reviews (bringing someone in from outside of the team to review/audit the code for security vulnerabilities) and application Pen Tests (again, bringing a security specialist ...
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JPA 2 | EntityManagers, Transactions and everything around it

Introduction One of the most confusing and unclear thing for me, as a Java Developer has been the mystery surrounding the Transaction Management in general and how JPA handles transaction ...
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ElasticMQ 0.7.0: long polling, non-blocking implementation using Akka and Spray

ElasticMQ 0.7.0, a message queueing system with an actor-based Scala and Amazon SQS-compatible interfaces, was just released. It is a major rewrite, using Akka actors at the core and ...
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Getting started with PhoneGap in Eclipse for Android

Android development with PhoneGap can be done in Windows, OS X, or Linux Step 1: Setting up Android Tools ADT Bundle – Just a single step to setup android development environment Step ...
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Creating Internal DSLs in Java, Java 8- Adopting Martin Fowler’s approach

Currently I am reading this wonderful book on DSLs- Domain Specific Languages by Martin Fowler. The buzz around the DSLs, around the languages which support creation of DSLs with ease, ...
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