Code With Wilson

A system called LingBot-Map turns a single moving camera into a live 3D map, a point cloud plus the camera's path through space, at roughly 20 frames per second and staying coherent across sequences of 10,000-plus...

A raw model call is stateless and blind — it can't remember you, can't look anything up, and can't act. An agent is that model wrapped in the parts that fix each gap: tools, instructions, memory, knowledge, storage, and...

Turning one photo into an on-model video clip is not one model doing something clever. It is two models chained together: Whisk makes a consistent still image, and Veo animates it into about eight seconds of motion. The...

The naive scaling law says more tokens equals more intelligence. The smarter move is to scale on three axes at once: token efficiency, context length, and agent swarms. And here's the reframe that ties it together...

A single language model, asked to judge a hard decision, quietly averages every perspective it could hold into one cautious "on one hand, on the other hand" answer. An agent swarm refuses that. You spin up several...

There are always two versions of your program: the one you wrote and the one the machine runs. A processor understands only a tiny menu of operations — read bytes, write bytes, do math, jump around the instruction list...

Computer architecture is not the wiring. It's a layer of abstraction sitting in the middle of a stack that runs from Python at the top down to silicon at the bottom. Its whole job is to look both up at what software...

The single most important idea: giant Mixture-of-Experts models activate only a tiny fraction of their weights per token, so most of the model is idle dead weight at any instant. KTransformers exploits this by putting...

Memorizing architecture diagrams is table stakes. What actually marks someone as senior is the ability to walk into an ambiguous problem, name the constraints out loud, make a defensible call, and say plainly what they...

Day 2, Problem 1 of LeetCode's Top Interview 150. This is one of those rare problems where the *natural* solution is fine, the *clever* solution is good, and the *optimal* solution is famously elegant — to the point of...

Day 1, Problem 3 of LeetCode's Top Interview 150. The headline lesson of this episode: **problem qualifiers like "sorted" aren't decoration. They're optimization unlocks.** This problem reuses the slow/fast two-pointer...

Day 1, Problem 2 of LeetCode's Top Interview 150. This is the cleanest possible introduction to a pattern called **slow/fast two-pointer** — also known as the "read pointer, write pointer" idiom. It looks deceptively...

This is the first problem in LeetCode's official "Top Interview 150" list — Day 1, Problem 1. If you can think clearly about this one, you have the foundation for roughly 30 other problems in the same family. This...

You're given an array and asked to find all unique triplets `(a, b, c)` where `a + b + c = 0`. Naive: three nested loops, O(n³). NeetCode's optimal: **sort the array, then for each `a`, run two pointers on the rest...

Whenever a problem asks for the longest (or shortest) **subarray or substring** with some property, the answer is **sliding window**. Two pointers — `left` and `right` — define a window over the input. The right pointer...