User Portlet User Portlet

Victor Kryukov
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The url gives me a 404 error.
Note: `DatasetFromList` is a small utility function: DatasetFromList[header_, rows_] := Dataset[AssociationThread[header,#]&/@rows]
![enter image description here][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=3476hero.png&userId=20103 [2]: https://www.wolframcloud.com/obj/06cd34c1-87fd-4778-a885-912a5300fb09
Something is wrong with FileNames - I’m getting problem listing large number of files even for local folders: https://community.wolfram.com/groups/-/m/t/3140952
Hello, FindFileNames is a little wrapper around Unix find utility to generate a list of filenames matching a certain pattern (or list of patterns). I wrote it when I realized that the FileNames function has a few limitations. First, it takes...
&[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/ecfb420d-f28b-4f71-bb2e-c9b1f1febd52
FullSimplify[(1/(2^ j) ((k*Gamma[5 + 2 j] Gamma[ 1 + l] HypergeometricPFQ[{1, 5/2 + j, 3 + j}, {3 + j + l/2, 7/2 + j + l/2}, -1])/ Gamma[6 + 2 j + l] + ((k + m) Gamma[7 + 2 j]...
E.g. In[5]:= ParallelTable[{a, b}/c /. # & /@ Solve[a^2 + b^2 == c^2 && a
Happy to help! As [@Brad Klee][at0] pointed out, `Nothing` is a pre-defined symbol in Wolfram Language, so your reformulation might still be confusing. I would say something like "the set of elements at level 1 for expression `g[]` is empty, so...
`PersistentSymbol` doesn't do what you think it does in this case. It created a persistent symbol with a string name > "$UserDocumentsDirectory" which has nothing to do with the the variable named > $UserDocumentsDirectory Instead, you...