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Most developers learn flexbox by copying flex: 1 onto a few elements and watching them share space. That works until it doesn't. Two items with `fl

Spacing items evenly sounds like the simplest thing in CSS, yet for a long time it was surprisingly awkward. Put a margin on every item and you get u

"MongoDB doesn't do joins" is one of those things people say that stopped being true a long time ago. Good document design reduces how often you need

When you run updateOne in MongoDB, the previous value is gone. That's fine for a page view counter, but it's a real problem for a contract, a produ

$CSS calc(): Doing Math in Your Stylesheets$

For years, one of the most common frustrations in CSS was simple arithmetic. You wanted a sidebar that was "the full width minus 300 pixels," or a co

Sooner or later, every team running MongoDB has the same conversation. Someone looks at the Atlas invoice, compares it to the price of a few virtual