The challenge Polycarpus works as a DJ in the best Berland nightclub, and he often uses dubstep music in his performance. Recently, he has decided to take a couple of old songs and make dubstep remixes from them. Let’s assume that a song consists of some ... (more…)

The dark oxen that turn the millstones of the world... (more…)

Properties are around since java.  Properties are a persistent form of K/V pair which is mainly used for configuration. Configuration can be... (more…)

Have you ever wanted to know how text editors work? How shell scripts change terminal text colors, update lines without scrolling, or move the cursor around?... (more…)

In this post we’ll go over setting up the popular mitmproxy tool on an external host and configuring your Java programs to proxy traffic through it, allowing you to debug misbehaving HTTP clients and libraries. OverviewOccasionally, you’ll be faced wi...