Tag
visibility
- Oct 8, 2026 Secondary Indexes Under MVCC: Version Chasing and Index Write Amplification Why every row version needs its own index entries, how a lookup follows pointers through superseded versions, and what a non-covering index costs in a versioned store. databases
- Sep 27, 2026 Linkage, Symbol Visibility, and the Weak Definition What the linker actually does with an external declaration, how internal and external linkage differ, and the resolution order that makes weak and common symbols dangerous. systems programming
- Jul 19, 2025 Heap Tuple Headers, Transaction Identifiers, and Visibility Rules How a row version records the transaction that created it and the one that deleted it, and how a reader decides whether that version belongs in its snapshot. databases
- Oct 24, 2023 Package Encapsulation and the Leak of Internal Types How languages draw the visibility line around a package, which constructs quietly widen it, and why an exported type in a public signature defeats the boundary it was meant to protect. software architecture