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Safely Create and Store Passwords

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Nearly every time when it comes to user profiles it is necessary to manage user credentials and thus be able to create and store user passwords. It should be common practice to use hashed and salted passwords to be prepared for database disclosure and hash reversing by the use of rainbow tables. However, it is (sadly) not uncommon to find ...

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A practical solution to the BREACH vulnerability

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Two weeks ago CERT released an advisory for a new vulnerability called BREACH. In the advisory they say there is no practical solution to this vulnerability. I believe that I’ve come up with a practical solution that we’ll probably implement in Play Frameworks CSRF protection. Some background First of all, what is the BREACH vulnerability? I recommend you read the ...

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Looking for Answers at Agile 2013

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I went to Agile 2013 last week in Nashville to look for answers on how Agile development ideas and practices could help more with high integrity, high assurance development; scale to handle large projects and programs; and improve the working environment for mature, high performance teams. The Sessions There was a lot going on, with over 200 sessions, informal workshops, ...

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Apache log4j is the leading logging framework

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According to a survey from Zero Turnaround Apache log4j is the leading Java logging framework. This was actually a very interesting survey. It shows SLF4J is most often used as a logging facade with 61%. But it seems it is most often used with Apache Log4j, which is used by 52% of all survey participants. Just 29% use logback and ...

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Spring MVC: Resources

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One of the most frequent questions which I receive from my blog readers is how to use css and javascript files in application with Spring MVC. So it’s a good opportunity to write an article about usage of resources in Spring MVC. As usually I will use java based configuration approach. In a nowadays it’s hard to imagine web-application which ...

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What if every object was an array? No more NullPointerExceptions!

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To NULL or not to NULL? Programming language designers inevitably have to decide whether they support NULLs or not. And they’ve proven to have a hard time getting this right. NULL is not intuitive in any language, because NULL is an axiom of that language, not a rule that can be derived from lower-level axioms. Take Java for instance, where: ...

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Coach or Consultant? Agile or not? What am I?

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I am: a Software Development Consultant who specialises in Agile techniques Or maybe: I am an Agile Consultant who specialise in Software Development. There was a fascinating thread on Twitter this morning started by Marcin Floryan when he asked: “What are your views on a difference between coaching and mentoring?”. Tweets were coming thick and fast from John McFadyen, Rachel ...

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DI / CDI – Basics

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Introduction (DI/CDI Basics) First of all, I would assume there is a bit of confusion to this, but the truth of the matter is, they are just the same – the difference is that usage and its purpose. DI (Dependency Injection) is the general term  – this feature is basically the one doing the bean discovery and bean wiring process ...

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Almost named method arguments in JDK 8

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Sometimes it would be really nice to have named method parameter in Java, this doesn’t look likely for a long while but there is always another little work around, for example using a builder pattern to get similar behaviour, that will bridge the gap for a little bit. It occurred to me that using the Lambda support in JDK 8 ...

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