4 ms·
A company I used to work had an Algol system running until 2005. A rewrite had begun in the 1990s and went live in 2001 and the two systems were run side by sid
by jamesfinlayson 3y ago
A company I used to work had an Algol system running until 2005.
A rewrite had begun in the 1990s and went live in 2001 and the two systems were run side by side until to make sure the new system was correct.