Technology

A deep dive into how the LLVM project exposed a class of bugs that experienced engineers had written confidently for years, and what that teaches us about trusting our own mental models.

The padlock icon gets all the credit. The real work happens in the cryptographic handshake most people have never heard of.

Caching is supposed to make your app faster. But a misconfigured cache doesn't just slow things down — it serves confidently wrong answers to the users who matter most.

A crash tells you something is wrong. A silent bug lets you keep shipping broken software for months before anyone notices.

A notorious NASA software failure shows what happens when programmers assume the machine understands intent. It never does.

The machines that look idle are frequently the ones keeping everything else alive. Here's why infrastructure that sits quiet earns its keep.

The internet doesn't know your name. It knows your numbers. Here's how five layers of addressing get data from a server in Frankfurt to the right tab in your browser.

Removing a feature is technically simple and organizationally brutal. Basecamp has done it more deliberately than almost anyone. Here's what they learned.

Adding features is celebrated. Removing them is agonizing. Here's why deletion is the most underrated skill in software.

Most web applications experience peak traffic for a tiny fraction of each day. The servers running them don't care. Here's the economics of that mismatch.

Engineers obsess over load balancers while their actual bottlenecks hide in databases, connection pools, and application code. Here's where to actually look.

Adding features is celebrated. Removing them is politically toxic, technically treacherous, and almost never done well. Here's why, and what teams get wrong.

Most API latency problems aren't in the API. They're in assumptions developers carry about how networks actually behave under real conditions.

A major streaming platform's 2021 outage traced back to a single bastion host. The lesson isn't about redundancy. It's about what we decide doesn't count as infrastructure.

A nanosecond is meaningless until you understand what your code does a million times per second. Here's the mental model that changes how you build systems.

Static analysis tools catch real errors before a single line runs. The software industry largely ignores them anyway. Here's why, and what it costs.

Clever code is a liability dressed up as a virtue. The programmer who writes it is optimizing for the wrong audience.

A green test suite is not proof that software works. It's proof that software works the way you imagined it would. Those are different things.