About Łukasz Grela

I am an actionscript programmer on daily basis, I am doing it for 10 years now and still doesn't have enough:) I also like to take pictures but it is so amateurish that I hardly ever show it to anyone:) I like to read, sci-fi mostly and fantasy (LOTR), and whenever I have time I am doing it, the problem is time:) I love music, but not just music but The Music, I have my preferences i.e. rock but if it is The Music then gender doesn't matter.


On this day in 1941 during the “Adolphus” operation for the first time to the occupied Poland the Special Operations Paratroops “Cichociemni” (the “Silent Unseen”) were dispatched. With them in this drop was the courier of the Delegatury Rządu na Kraj (Government Delegation for Poland) Mr Czesław Raczkowski. They’ve jumped over the Włoszczowa area.

Chrome Extension with React – gotcha

I’m rebuilding my Chrome Extension Tab List to use ReactJS (as part of my learning trip) and encountered following error:

Uncaught EvalError: Refused to evaluate a string as JavaScript because ‘unsafe-eval’ is not an allowed source of script in the following Content Security Policy directive: “script-src ‘self’ blob: filesystem: chrome-extension-resource:”.

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