Transform table by creating columns out of row groups...

Program memory footprint for different interpreters/compilers...

Extended Metadata...

KDB/k: Functional form to create a table variable...

how to create bulk object with char arrays for KDB+...

Keeping your code in L1 cache...

How can express this imperative function in a functional, array-based language like K (or Q)?...

Are there any open source projects written in APL?...