The regex that broke a server

I’ve never thought I would see an unresponsive server due to a bad regex matcher but that’s just happened to…

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Why Unix utilities are worth learning

Why VIM? Sooner or later there comes the day when your easy-to-use IDE becomes useless for handling huge files. There…

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JOOQ Facts: SQL functions made easy

The JDBC API has always  been cumbersome and error-prone and I’ve never been too fond of using it. The first…

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A beginner’s guide to Git feature branches

Why Git The proprietary software shaped the Version Control Systems (VCS) to fit its requirements: the project has a strict…

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Code review best practices

Code review is a great software instrument and you should definitely use it to improve the quality of your code.…

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Hibernate Facts: How to “assert” the SQL statement count

Introduction Hibernate simplifies CRUD operations, especially when dealing with entity graphs. But any abstraction has its price and Hibernate is…

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MongoDB and the fine art of data modelling

Introduction This is the third part of our MongoDB time series tutorial, and this post will emphasize the importance of…

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A beginner’s guide to MongoDB performance turbocharging

Introduction This is the second part of our MongoDB time series tutorial, and this post will be dedicated to performance…

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MongoDB time series: Introducing the aggregation framework

In my previous posts I talked about batch importing and the out-of-the-box MongoDB performance. Meanwhile, MongoDB was awarded DBMS of…

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