← Back to radar

Observation record / Hacker News

Bbtree: Fastest Ordered Map

First seen 10/25, 06:22 · Last observed 10/25, 09:43 · Source data is current

Read the original source ↗

Title-based outlineBbtree: Fastest Ordered Map

Why it mattersA discussion on this source’s current list. Verify details in the original; rank does not establish reliability.

Published 10/25, 02:22

30 minutesRank movement—

Building history

1 hourRank movement0

Baseline observed 10/25, 08:43

24 hoursRank movement—

Building history

Source rank history

20 observations

Momentum 0/100 = max(0, 1h rank gain) ÷ baseline rank × 100. Platform metrics are not combined.

233010/25, 06:22 · 30 places10/25, 06:32 · 30 places10/25, 06:42 · 28 places10/25, 06:52 · 27 places10/25, 07:02 · 26 places10/25, 07:12 · 27 places10/25, 07:22 · 28 places10/25, 07:32 · 28 places10/25, 07:42 · 29 places10/25, 07:53 · 30 places10/25, 08:13 · 29 places10/25, 08:23 · 27 places10/25, 08:33 · 26 places10/25, 08:43 · 24 places10/25, 08:53 · 24 places10/25, 09:03 · 23 places10/25, 09:13 · 28 places10/25, 09:23 · 27 places10/25, 09:33 · 25 places10/25, 09:43 · 24 places10/25, 06:2210/25, 09:43
Official public API · linked titles only· Author aoli-al
View original observation times and ranks
Observation time (Beijing)Source position
10/25, 09:4324
10/25, 09:3325
10/25, 09:2327
10/25, 09:1328
10/25, 09:0323
10/25, 08:5324
10/25, 08:4324
10/25, 08:3326
10/25, 08:2327
10/25, 08:1329
10/25, 07:5330
10/25, 07:4229
10/25, 07:3228
10/25, 07:2228
10/25, 07:1227
10/25, 07:0226
10/25, 06:5227
10/25, 06:4228
10/25, 06:3230
10/25, 06:2230
Daily aggregate history
日期Best daily positionLast daily positionObservations
2026-10-25232420