Javier Tiniaco Leyba personal blog about life, career and software.
Internet vs. intranet: same web technology, two opposite missions: one built to connect the whole world, the other built to keep your organization running securely behind closed doors.
Hyperspecialization: The world's greatest mathematicians often can't understand each other's work. And that's exactly why your GPS, MRI, and phone encryption exist.
Discover how modern tools like Python, MATLAB and Mathematica turn equations into code, simulations and insight. And when you should use mathematical software instead of writing everything from scratch.
This post walks you from basic Big-O notation to P vs NP, and tractability showing with concrete examples why some algorithms stay fast while others explode into intractable territory.
We might judge decisions by results, but life isn’t chess with perfect information. Instead, it’s poker with hidden cards and bad beats. This post uses simple games to explore uncertainty, luck, and why a “good” choice can still end badly in careers, science, and relationships.
Bugs are where most real learning in software happens, from toy projects to production systems. This post shows how to turn those bugs into growth while still keeping your users safe.
“Text vs binary” sounds obvious —until it quietly breaks your configs, logs, or data formats. This post demystifies what actually separates them and gives practical rules for when to pick each in real-world systems.
Ever wondered why “é” sometimes shows up as “é” or why emojis break text? This a short guide to characters, Unicode, encodings, and mojibake—with Python examples you can run.
Open file formats quietly decide who really controls your data. This post explains how they differ from proprietary formats and how choosing them can boost your digital freedom.
Learn how mastering summarization beyond just letting AI or apps do it for you, can radically sharpen your thinking, learning, and decision‑making in a world of information overload.