If you are reading this, you have a computer. How do you use it? I bet your computer can do much more that you think. And I want to present…

Really good explanations of algorithms at https://cp-algorithms.com (I recently went through https://cp-algorithms.com/data_structures/segment_tree.html, so my opinion is mostly based on that article). “Nothing is more responsible for ‘good old days’ then…

There is a fascinating talk on youtube: https://www.youtube.com/watch?v=H62hZJVqs2o It’s rare thing to see system working for so long completely remotely. Worth watching! I’m usually curios about how did it happen.…

Objective I wanted to have few goals met when connecting to my VPN:1. Devices connected to VPN must use custom 10.10.10.10 DNS server2. Some kind of filtering must be available…

Performance matters This is a talk I like and it really gave me a better understanding of “measurement bias”. The improvement (or not) can be simply because of a specific…

I like to keep my gmail inbox clean. Separating email into multiple tabs greatly helps with this. Keeping the inbox clean is a best way to avoid re-reading (or just…

This happens e.g. when you scroll in the Chrome browser (or usually very often if you just move the mouse). It’s certainly related to the processor in some way; there’s…

RabbitMQ is a message broker which is very popular. It is written in Erlang. You can find out more about it from the webpage: http://www.rabbitmq.com/ In this post, I’m going to…

Niedawno natrafiłem na książkę Charliego Mungera: https://www.amazon.co.uk/Poor-Charlies-Almanack-Charles-Munger/dp/1578645018/. Munger był partnerem legendarnego inwestora Warrena Buffeta. Stawia on na wielo-dziedzinowość, i modele mentalne czyli najważniejsze pomysły, które mają zastosowanie w wielu dziedzinach. Takim…

SSH is a secure shell which is very useful when we want to use remote servers. We can connect to host_a with simple command: ssh host_a What if there are…