Luis Colunga's Blog
Latest posts
What's actually inside a dental CBCT scan
I was going through old backups when I found a folder from a dental appointment: a cone beam CT from early 2024. The clinic had given me the scan on a CD, I’d backed it up at some point and mostly forgot about it. The zip was 696 MB. For a single dental scan that felt wrong, so I …
What Actually Compresses CPAP Data Best
I backed up an SD card from a ResMed AirSense 10 last week: three and a half years of sleep data, 1.6 GB of EDF files. Before copying it anywhere I wanted to compress it, good excuse to benchmark instead of defaulting to whatever I usually reach for. My usual default is 7z + …
Factory Droid Wants OpenAI Mode: Fixing VibeProxy and CLIProxyAPI
Factory (Droid) recently started pushing the openai provider for GPT models instead of the old generic-chat-completion-api. Even though most guides still say to use generic for everything, I tried switching. It broke instantly. Here’s why: Factory has three provider types. openai …
The Fireworks Kimi + Factory Droid Hack: Use the Anthropic API
I’ve been testing the new Fireworks Firepass, which gets you zero per-token costs for reasoning models like Kimi K2.5 Turbo ($7/week). I started with OpenCode, but my real goal was to use Kimi as a worker for complex “missions” in Factory Droid. The catch is that Factory’s …
588x Faster SQLite Ingestion With an Autoresearch Loop
I have a personal ETL pipeline that pulls financial data from a remote source, parses it, and writes it into SQLite. One market (USA), single Python process, runs on a schedule. It has worked decent enough for the few weeks it has been live. A few weeks ago I saw Karpathy’s …
tls_checker: Quick TLS Checks for a List of Hosts
tls_checker is a command-line tool for running concurrent TLS checks against a list of hosts. It resolves DNS, completes the TLS handshake, reports the negotiated version, checks ALPN, probes HTTP/2 when it makes sense, and can also attach ASN information to the result. Origin …