Description how to prepare and use YubiKey for file encryption and decryption with PIV certificates including use case for encrypted backup.

Opis jak przygotować YubiKey do korzystania z szyfrowania certyfikatami PIV z przykładami użycia do tworzenia zaszyfrowanej kopii zapasowej.

Short introduction to free PGP email encryption that works with all email account providers (in Polish).

Drone shots of Wroclaw city (Poland) from drone point of view (part 4).

Drone shots of Wroclaw city (Poland) from drone point of view (part 3).

Drone shots of Wroclaw city (Poland) from drone point of view (part 2).

Drone shots of Wroclaw city (Poland) from drone point of view.

Description of free try out of automatic AI-based images generator with some parameters explanation and examples of generated images.

Pictures of flamingos I took in Cagliari, Italy.

Analysis of events after and before Russian invasion on Ukraine and why Putin's propaganda appears to be effective on Russian population.

[EN] In this post I would like to share some of my observations on how to improve birds photography basic skills. "Practice makes the master" but maybe some theory I deducted from my practice

[EN] No matter how cold it's outside and how much you hate current weather remember that we're only about 3 months to spring... well at least at northern part of our planet. ;) I'm posting this picture

Wielu z Was pewnie słyszało o tzw. kranikach. To systemy wynagradzające użytkowników za konkretną akcję (najczęściej kryptowalutami). Taką akcją może być oglądanie reklam, filmików, czy rozwiązynie kodów

In this short programming-related article let's consider a Java application where some logic is time-dependent. Examples of such can be: Communication - where a certain action has to be taken after timeout.

Booking.com to popularna platforma wyszukiwania i rezerwacji pobytów w hotelach, hostelach, czy domkach letniskowych. Działa zarówno w Polsce, jak i bardzo wielu innych krajach. Jeśli planujesz podróż

Korporacja Facebook będąca właścicielem zarówno Messenger-a, jak i WhatsApp ma powszechnie znane problemy z prywatnością danych. Wiele skandalów przyzwyczaiło nas już do spokojnego myślenia o strategii

Facebook corporation owning both Messenger and WhatsApp applications has known privacy issues. Multiple scandals actually made us already used to this company strategy. And the strategy is that you are

Notre-Dame is a well-known beautiful gothic cathedral situated in Paris. It's building process started in 1163 A.D. and took many years to achieve it's full splendor. Construction is 130 meters long and

Coinbase to duża amerykańska firma prowadząca regulowany prawnie portfel kryptowalutowy połączony z kantorem i giełdą (to ostatnie znane jest pod nazwą Coinbase Pro). To jedna z poważniejszych firm na

Relational SQL databases offer LIMIT and OFFSET parameters to SELECT queries to retrieve data. Using those parameters user is able to pick a fragment of data from database. Such partial data fetching always