Blog

From OFFSET arithmetic to tuple cursors: why deep pages get slower, how a total sort order turns a cursor into a seek, and a minimal keyset pagination playbook.

From memorization to generalization: when models overfit, how regularization constrains capacity toward simpler solutions, and a minimal validation playbook.

From accuracy illusions to cost-aware decisions: when classifiers meet imbalanced data, how weighting and thresholds reshape learning, and a minimal imbalance playbook.

From full-table scans to B-trees: when queries need indexes, how query-driven index design shapes execution plans, and a minimal indexing playbook.

From redundant computation to layered caches: when web architectures need caching, how cache patterns balance freshness and load, and a minimal cache design playbook.

From parametric memory to external knowledge: when LLMs need retrieval, how RAG architecture grounds generation, and a minimal retrieval pipeline playbook.

From instruction to optimization: when LLMs need prompt engineering, how effective prompts unlock capability, and a minimal few-shot prompting playbook.