Sharat Buddhavarapu

A 12th grader scoring a “238” has about the same knowledge as a 5th grader scoring “238”.

She invited a small number of neighbourhood kids (including her two) into a makeshift microschool that ran two intense, teacher‐led academic “sprints” each morning, then “life‐skills” projects after lunch.

The world has arrived at an age of cheap complex devices of great reliability; and something is bound to come of it.

where individuals were given a monetary reward for showing up but not for completing the puzzles, it’s argued that the monetary reward was not experienced by participants as a means of controlling their behaviour

The Alto was fabulously efficient because its approach to how its real CPU (the microcode engine) interacted with the available memory bandwidth (including the use of multiple program counters for zero overhead low-level task switching and avoiding interrupts).

Whereas the commercial CPU architectures had very poor notions of how to use memory and... See more

A really interesting design was the first ARM — which was a pretty clean RISC and tidy in size. It could have been used as an emulator by wrapping it with fast instruction memory, but wasn’t. I think this was a “point of view” disconnect. It was a very good design for the purpose of its designers, and there wasn’t enough of a VHLL culture to see... See more

Collections work only with object types, so primitives must be wrapped when stored in them.

if you want to ensure that your application produces exactly the same results on different platforms, you can use the special keyword strictfp as a class modifier on the class containing the floating-point manipulation