Debugging Memo

🌐 Website Building

Problem 1 — Token expired, cannot `git push`

Click to reveal solution

Flush stale credential with:
git credential-osxkeychain erase protocol=https host=github.com
…then run hexo d and paste the new PAT.

🧠 Deep Learning

Problem 1 — CUDA out-of-memory during model training

Fig. 2 GPU utilisation spike causing OOM.

Click to reveal solution

1️⃣ Add torch.cuda.empty_cache() between epochs.
2️⃣ Use gradient accumulation (smaller mini-batches).
3️⃣ Check pin_memory ≠ True on dataloader when unnecessary.

🌐 Website Building

Problem 1 — Token expired, cannot git push

🧠 Deep Learning

Problem 1 — CUDA out-of-memory during model training

Problem 1 — Token expired, cannot `git push`