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Hledger 1.50

Transaction balancing is now done in a more robust way, using local precisions only (like Ledger) #2402. Until now, a transaction was required to balance using its commodities's global display precisions. Small imbalances were tolerated by configuring display precisions for the whole journal (with commodity directives). Now, a transaction is required to balance using the precisions in its journal entry only. This means each entry can use the precision it needs, and balancing precision and di

The power of two random choices (2012)

My name is Marc Brooker. I've been writing code, reading code, and living vicariously through computers for as long as I can remember. I like to build things that work. I also dabble in machining, welding, cooking and skiing.I'm currently an engineer at Amazon Web Services (AWS) in Seattle, where I work on databases, serverless, and serverless databases. Before that, I worked on EC2 and EBS.All opinions are my own. The power of two random choices In many large-scale web services, multiple laye

The power of two random choices

My name is Marc Brooker. I've been writing code, reading code, and living vicariously through computers for as long as I can remember. I like to build things that work. I also dabble in machining, welding, cooking and skiing.I'm currently an engineer at Amazon Web Services (AWS) in Seattle, where I work on databases, serverless, and serverless databases. Before that, I worked on EC2 and EBS.All opinions are my own. The power of two random choices In many large-scale web services, multiple laye

Mesmerizing Hypnoloid, a Kinetic Desktop Sculpture

This Hypnoloid object is sort of the opposite of a spinning top. Whereas a top contacts the surface it's balancing on only at its point, the Hypnoloid contacts the surface with every square millimeter of its surface area. The shape is called an oloid, and it's a bit difficult to understand. The 20th-century German sculptor, inventor and mathematician Paul Schatz, who discovered it, describes it thusly: "If the distance of two centers of disk is equal to the radius, then the convex hull produce