Hervé Pagès

No reason to wait. When reshaping becomes available as a delayed op, all you'll need to do is replace: ``` A

Another request/use case for delayed reshaping here: https://support.bioconductor.org/p/9136602/#9136860 They're also asking if delayed reshaping could increase the number of dimensions e.g. go from 2 x 12 to 2 x 3...

Hmm, that's tricky. My understanding is that with some cluster configurations the nodes don't have access to the `tempdir()` of the head. So the broader question is whether there is...

I could certainly add something like ``` if (getAutoRealizationBackend() == "HDF5Array") { user_data_dir

This got addressed in last February in **HDF5Array** 1.31.4 (https://github.com/Bioconductor/HDF5Array/commit/48ba2888112efa57f4adda7b4b849cb4784a1ff1).

FWIW the `extract_sparse_array()` and `extract_array()` methods for H5SparseMatrixSeed objects use `%in%` to identify the selected non-zero elements in the selected columns (see https://github.com/Bioconductor/HDF5Array/blob/f791304316d13bdfc560b1d7674aa6224dad7ce8/R/H5SparseMatrixSeed-class.R#L385). `%in%` is based on `base::match()` and `base::match()`...

I see, nice! What other sparse in-memory **DelayedArray** backends could benefit from something like that? This kind of precomputed index seems pretty heavy (almost half the size of `y`, the...

I just took a quick look at the work you are doing in [**BPCellsArray**](https://github.com/Yunuuuu/BPCellsArray) and I'm surprised by the number of *Seed classes (38!) that you are defining there. Not...

Hi @Yunuuuu, I'm sorry that I lost track of this. Are you still working on this? The reason the above doesn't work is because BPCellsMatrix needs to extend _both_ BPCellsArray...

Hi @bschilder , I didn't investigate much but this is how `rtracklayer::import()` reads this remote BED file: ``` URL