Don't Watch Gladiator II

November 15, 2024 Reading time: ~1 minute

Don't waste your time and money watching this movie. It does not have a good story, and the plot's events are not well connected.

The most out-of-context, hilarious, unbelievable, scene was the vessels battle in the Colosseum, which was filled with water and sharks circulating in the surrounding water. At that point, the movie dropped to 5/10 for me.


Convert Video to Share on Whatsapp

November 10, 2024 Reading time: ~1 minute

ffmpeg -i broken.mp4 -c:v libx264 -profile:v baseline -level 3.0 -pix_fmt yuv420p working.mp4

What is the normal blood pressure?

November 10, 2024 Reading time: ~1 minute

It's hard to know the right blood pressure levels for your age. How do people deal with so much contradicted information? Pills are also scary, as living on them for many years might generate other health problems.

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Create Self-signed Certificate

November 9, 2024 Reading time: ~1 minute

Generate key

openssl genrsa -des3 -out server.key 2048

Generate certificate

openssl req -new -key server.key -sha256 -out server.csr

Sign the certificate

openssl x509 -req -days 365 -in server.csr -signkey server.key -sha256 -out server.crt


Convert Video File Suitable for Plex Direct Play

November 9, 2024 Reading time: ~1 minute

A command to convert a video to a format suitable for Plex directly play (no overhead transcode performed by Plex to play the video)

ffmpeg -i inputvideo.mkv -crf 18 -map 0 -acodec copy -scodec copy -c:v libx264 -threads 0 -preset veryslow outputfile.mkv

Why Math

November 8, 2024 Reading time: ~1 minute

Mathematics, often dubbed the "language of the universe," is a discipline that encompasses the study of numbers, shapes, patterns, and structures. It serves as a foundational tool in various fields, from engineering and physics to economics and social sciences. One of the most significant branches is calculus, which deals with the concepts of change and motion through limits, derivatives, and integrals. Another vital area is algebra, which focuses on the manipulation of symbols and equations to solve for unknowns. Geometry explores spatial relationships and properties of figures, while statistics provides methods for analyzing data and making informed decisions. The beauty of mathematics lies in its ability to model real-world phenomena and solve complex problems, showcasing the elegance and intricacy of logical reasoning. As technology evolves, so does the application of mathematics, leading to advancements in areas like data science, cryptography, and artificial intelligence.


The Rise of Renewable Energy: A Sustainable Future

November 8, 2024 Reading time: ~1 minute


As the world grapples with the pressing challenges of climate change and dwindling fossil fuel reserves, renewable energy has emerged as a beacon of hope and innovation. Technologies such as solar power, wind energy, and hydropower are witnessing unprecedented growth, driven by advancements in efficiency and declining costs. In the last decade, the global investment in renewables has surged, reflecting a collective commitment to a sustainable future.

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