← Back to radar
Observation record / Hacker News
Composite objects and C++26 the std:polymorphic type
First seen 10/21, 15:07 · Last observed 10/21, 20:59 · Source data is current
Read the original source ↗Title-based outlineComposite objects and C++26 the std:polymorphic type
Why it mattersA discussion on this source’s current list. Verify details in the original; rank does not establish reliability.
30 minutesRank movement—
Building history
1 hourRank movement—
Building history
24 hoursRank movement—
Building history
Source rank history
35 observationsBuilding history; no inferred heat score.
Official public API · linked titles only· Author jandeboevrie
View original observation times and ranks
| Observation time (Beijing) | Source position |
|---|---|
| 10/21, 20:59 | 29 |
| 10/21, 20:38 | 29 |
| 10/21, 20:28 | 29 |
| 10/21, 20:18 | 28 |
| 10/21, 20:08 | 28 |
| 10/21, 19:58 | 29 |
| 10/21, 19:48 | 29 |
| 10/21, 19:38 | 28 |
| 10/21, 19:28 | 27 |
| 10/21, 19:18 | 26 |
| 10/21, 19:08 | 25 |
| 10/21, 18:58 | 25 |
| 10/21, 18:48 | 25 |
| 10/21, 18:38 | 25 |
| 10/21, 18:28 | 22 |
| 10/21, 18:18 | 23 |
| 10/21, 18:08 | 22 |
| 10/21, 17:58 | 20 |
| 10/21, 17:48 | 19 |
| 10/21, 17:38 | 17 |
| 10/21, 17:28 | 15 |
| 10/21, 17:17 | 13 |
| 10/21, 17:07 | 12 |
| 10/21, 16:57 | 11 |
| 10/21, 16:47 | 10 |
| 10/21, 16:37 | 10 |
| 10/21, 16:27 | 10 |
| 10/21, 16:17 | 10 |
| 10/21, 16:07 | 9 |
| 10/21, 15:57 | 9 |
| 10/21, 15:47 | 12 |
| 10/21, 15:37 | 15 |
| 10/21, 15:27 | 24 |
| 10/21, 15:17 | 23 |
| 10/21, 15:07 | 21 |
Daily aggregate history
| 日期 | Best daily position | Last daily position | Observations |
|---|---|---|---|
| 2026-10-21 | 9 | 29 | 35 |