As a third lockdown traps millions of British schoolchildren at home, free tablets and televised lessons are being touted as alternative ways to learn in a lockdown.

Abstract: Programming tutorials demonstrate programming tasks with code examples. However, our study of Stack Overflow questions reveals the low utilization of high-quality programming tutorials, ...

Abstract: Software programming requires both API reference (know-what) knowledge and programming task (know-how) knowledge. Lots of programming know-what and know-how knowledge is documented in text, ...

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