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10 things you can do as a developer to make your app secure: #5 Authentication Controls

This is part #5 of a series of posts on the OWASP Top 10 Proactive Development Controls: In the previous post, we covered how important it is to think about Access Control and Authorization ...
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Lambda Expressions and Stream API: basic examples

This blog post contains a list of basic Lambda expressions and Stream API examples I used in a live coding presentation I gave in June 2014 at Java User Group – Politechnica Gedanensis ...
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Graph Degree Distributions using R over Hadoop

There are two common types of graph engines. One type is focused on providing real-time, traversal-based algorithms over linked-list graphs represented on a single-server. Such engines ...
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Code For Maintainability So The Next Developer Doesn’t Hate You

Unless your problem domain includes some specific need for highly optimized code, consider what is your biggest coding priority. I’m going to suggest that you make it maintainability. There ...
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10 things you can do to make your app secure: #4 Access Control

This is #4 in a series on the OWASP Top 10 Proactive Controls: 10 things that developers can do to make sure that their app is secure. Access Control aka Authorization, deciding who ...
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Creating logs in Android applications

For Android applications, logging is handled by the android.util.Log class, which is a basic logging class that stores the logs in a circular buffer for the whole device. All logs for ...
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RESTBucks Evolved

The book REST in Practice: Hypermedia and Systems Architecture uses an imaginary StarBucks-like company as its running example. I think this is a great example, since most people are ...
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Making Unsafe safer

Overview If you use Unsafe directly, you risk crashing the JVM.  This happens when you access a page of memory which hasn’t been mapped and the result on Unix is a SIGSEG (if ...
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The Product Owner’s Guide to the Sprint Retrospective

Summary The sprint retrospective is the key mechanism in Scrum to improve the way people work. Some product owners believe though that they should not attend the meeting, and if they ...
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Test Data Builders and Object Mother: another look

Constructing objects in tests is usually a painstaking work and usually it produces a lot of repeatable and hard to read code. There are two common solutions for working with complex ...
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