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Core Java
Abstract Factory Design Pattern Explained
Abstract Factory Design Pattern is another flavor of Factory Design Pattern. This pattern can be considered as a “super factory”…
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Core Java
JavaOne 2012 Coverage
JavaOne, the annual Java extravaganza conference, took place from 30 September to 4 October in San Francisco. Numerous interesting presentations…
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Agile
Transition to Agile, Large Technical Debt, Small Project
Many months ago, Rebecca asked an interesting question about technical debt in projects. She asked, How to start when there’s…
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Software Development
You can’t Refactor your way out of every Problem
Refactoring is a disciplined way to clarify, retain or restore the design of a system as you make changes, and…
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Enterprise Java
JavaEE Revisits Design Patterns: Decorator
This time last year I wrote a series of blog posts on JavaEE implementation of design patterns. Roughly after a…
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Android Core
Android – Select multiple photos from Gallery
Today i am going to discuss about implementation of selecting multiple photos from Photo Gallery. You know, i have searched…
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Groovy
Logging Hibernate SQL
There are two well-known ways to log Hibernate SQL in Grails; one is to add logSql = true in DataSource.groovy…
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Enterprise Java
Introduction to PostgreSQL PL/java
Modern databases allow stored procedures to be written in a variety of languages. One commonly implemented language is java.N.B., this…
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Software Development
What is HMAC Authentication and why is it useful?
To start with a little background, then I will outline the options for authentication of HTTP based server APIs with…
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