Daniel Kaplan

Export in fabric_drawing()

4

There's an export button connected to the canvas produced by `fabric_drawing()`, and I can see in the source code that the click method invokes `saveAs()`. But I don't know how...

When capturing a formula with `check_blanks`, what get's captured is actually the call to generate the formula, not the formula itself. You need to evaluate the formula-call before you can...

Have `pre_check()` do the step by step evaluation instead of `for_checkr()`. Right now there's redundancy: both functions are doing it. Add an argument to `for_checkr()` with the solution code, so...

Failure mode to be avoided

6

Recall that I implemented a variation on learnrhash and have been using it in a large course at the US Air Force Academy. The main difference is that my hash...

Horizontal layout option for `question_radio()`

4

Motivation: Pedagogically, it can sometimes be useful to provide a long list of distractors. It's also helpful to be able to ask many short questions. Regrettably, the question options in...