圖像來源，Dan McKenzie
Notice how the highlighted region shrinks at each step. The algorithm never examines points outside the narrowing window. In a balanced tree with nnn points, this takes about log4(n)\log_4(n)log4(n) steps. For a million points, that's roughly 10 steps instead of a million comparisons.
，这一点在91视频中也有详细论述
Numbers and symbols are on the layer above my base layer. Navigation keys, like arrow keys and mouse keys, are on the next layer up. I've made the arrow keys more powerful with tap dance. Tap for left arrow, hold for Ctrl + Left to go back a whole word, tap and hold for Home to go to the beginning of the line, for example.
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반려견놀이터에 ‘낚싯바늘 빵’ 던져놓은 60대…“개 짖는 소리 시끄러워”，更多细节参见爱思助手下载最新版本
Jack Dorsey just halved the size of Block’s employee base — and he says your company is next