It is estimated $3 trillion in daily commerce flows through COBOL systems, while 95% of ATM swipes and 80% of in-person banking transactions rely on COBOL code.
26 April 2020
18 April 2020
16 February 2020
Frank O'Brien explains, in exceptional detail, the hardware problem that vexed the Apollo 14 mission, and the dance of software fixes that kept the Moon landing on track. TIL about core rope memory.
08 December 2019
05 October 2019
- Jeremy Gayed at al. of the Times Open Team explains how to replace an API in flight without bringing it down to the ground. It starts with a "dark rollout."
- John D. Cook goes back to Unix basics (and goes deeper with cut). awk has been my friend for years, but no one ever told me about cut.