Makima

Results 3 issues of Makima

编号为Stanford CS142,本学期video不可见,但slides开放 课程主页说课程回放会放在Stanford该课程的Canvas,即不对外开放 ![image](https://user-images.githubusercontent.com/74698401/148322713-b80e0247-da12-405c-9dab-ea2ef6261827.png) 编号为MIT WebLab(6.148),回放课程主页可见,会延后大约三天。(比如昨天看不到回放,今天能看见1.3第一节课的回放)

### Rationale for this change see https://github.com/apache/arrow/issues/46677 ### What changes are included in this PR? see https://github.com/apache/arrow/issues/46677 ### Are these changes tested? Yes ### Are there any user-facing changes? No...

Component: C++
awaiting committer review

A simple wrapper on python's `mmap.madvise`, as requested in https://github.com/numpy/numpy/issues/13172 I've seen the long-stalled PR https://github.com/numpy/numpy/pull/24489 addressing similar functionality. I'm eager to contribute more to NumPy, and if the original...

01 - Enhancement
triage review