[dreamcompiler]

To expand a bit, that parent site is about programmable analog computers while the original article is about programmable analog circuits.

Analog computers are indeed built with analog circuits but analog computers are a niche tool for solving differential equations[0] while analog circuits are used literally everywhere.

The "programmability" occurs on two different levels; in the digital realm you program an FPGA by changing the logic of its gates and their interconnections. You program a computer by using Java to build a terrible issue tracker.[1]

The former corresponds to the original article; the latter is about the parent. There is much overlap between the two ideas but that's the gist.

[0] And other tasks like producing music. Analog synthesizers are really just special-purpose analog computers.

[1] sorry couldn't resist