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Observation record / Hacker News
C++ futures part 1: The mental model
First seen 10/21, 22:19 · Last observed 10/21, 23:21 · Source data is current
Read the original source ↗Title-based outlineC++ futures part 1: The mental model
Why it mattersReal snapshots show a rank rise within this source, indicating changing discussion, not verified facts.
30 minutesRank movement+3
Baseline observed 10/21, 22:49
1 hourRank movement+11
Baseline observed 10/21, 22:19
24 hoursRank movement—
Building history
Source rank history
7 observationsMomentum 48/100 = max(0, 1h rank gain) ÷ baseline rank × 100. Platform metrics are not combined.
Official public API · linked titles only· Author ibobev
View original observation times and ranks
| Observation time (Beijing) | Source position |
|---|---|
| 10/21, 23:21 | 12 |
| 10/21, 23:11 | 13 |
| 10/21, 22:59 | 10 |
| 10/21, 22:49 | 15 |
| 10/21, 22:39 | 24 |
| 10/21, 22:29 | 23 |
| 10/21, 22:19 | 23 |
Daily aggregate history
| 日期 | Best daily position | Last daily position | Observations |
|---|---|---|---|
| 2026-10-21 | 10 | 12 | 7 |