Author Archives: chaikalis

How to untrack files in Git

We all know how to add a file under Git tracking. But what can we do to untrack a file or directory? To untrack a file: git rm –cached filename To untrack a directory (recursively) git rm -r –cached dir_name … Continue reading

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Useful Git image

Everybody gets confused with this, so I added a useful memo image                     Credits  

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Bug in Magnetice Resonance Imaging (MRI) Software invalidates results of last 15 years!

Scientists led by Anders Eklund from Linköping University in Sweden recently announced a bug in the software that transalates results from MRI machines. The bug is related to a specific type of exam, called ‘functional MRI’. In this exam, the patient … Continue reading

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Frequently Forgotten Fundamental Facts about Software Engineering

A few day ago, I ran into a very interesting article by Robert L. Glass, published on 2001 at the IEEE Software Among other very interesting facts, it highlights maintenance costs: Maintenance M1. Quality and maintenance have an interesting relationship. M2. … Continue reading

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