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object-fit and object-position: Controlling Images Like a Pro

object-fit and object-position: Controlling Images Like a Pro

Every content-driven site eventually hits the same problem. The design calls for a neat grid of identical thumbnails, but the images coming out of th

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BEM Naming Convention: Writing Maintainable CSS Class Names

BEM Naming Convention: Writing Maintainable CSS Class Names

Naming things is famously one of the hard problems in programming, and CSS makes it harder than most languages. Every class name lives in one global

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How to Respect prefers-reduced-motion for Accessible Animations

How to Respect prefers-reduced-motion for Accessible Animations

Animation is one of the best tools we have for making an interface feel responsive and alive. A card that lifts on hover, a menu that slides into pla

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Regular Expression Queries in MongoDB: Power and Pitfalls

Regular Expression Queries in MongoDB: Power and Pitfalls

Sooner or later, an exact match isn't enough. You need every SKU that starts with LMP-, every email at a particular domain, or every log line that

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TTL Indexes in MongoDB: Automatically Expiring Old Data

TTL Indexes in MongoDB: Automatically Expiring Old Data

A lot of data has a shelf life. Login sessions should vanish after a day of inactivity. Password reset tokens should be useless after an hour. Rate l

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MongoDB Time Series Collections: Storing IoT and Metrics Data Efficiently

MongoDB Time Series Collections: Storing IoT and Metrics Data Efficiently

Measurements arrive fast and never stop. A fleet of 5,000 sensors reporting every ten seconds produces over 43 million readings a day. Store each rea

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