The quadtree is the two-dimensional case of a broader family of space-partitioning data structures. Octrees extend the same idea to three dimensions (splitting cubes into eight children), KD-trees use alternating axis-aligned splits (splitting along x, then y, then x again), and R-trees group nearby objects into bounding rectangles. Each variant makes different tradeoffs between construction time, query speed, and update cost.
BBC Middle East correspondent Hugo Bachega reports from the Iranian-Armenian border as internet shutdown continues following deadly protests.
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3 Strictly speaking, the slope is continuous everywhere except for the data points themselves. ↑
// Synchronous consumption — no promises, no event loop trips
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