The APL Orchard

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8:01 AM

⎕←(⊣,⊣-∘(⍳∘|××)-)

TryAPL

@pVCaecidiosporeadduced
┌─┼───┐
⊣ , ┌─┼─┐
    ⊣ ∘ -
    ┌─┴─┐
    - ┌─┼─┐
      ∘ × ×
     ┌┴┐
     ⍳ |

Stack Exchange Feeds

8:48 AM

Q: Alexa. The new APL language and Google-Spreadsheet

After Alexa's recent switch from the older Display interface to the new APL language, I’m no longer able to use the Google-Spreadsheet library to connect to spreadsheets. What do I have to do to be able to use Google-Spreadsheet again? Thanks for your help and sorry for my incorrect English

2 hours later…

pVC aecidiospore adduced

10:28 AM

⎕←≢1 2 3

TryAPL

@pVCaecidiosporeadduced 3

pVC aecidiospore adduced

10:39 AM

@Adám are there preview builds for APL 18.1?

Adám

@pVCaecidiosporeadduced There's a non-public beta programme for 18.2. May I ask why?

pVC aecidiospore adduced

just asking; i have switched drives and i want to wait till 18.1 releases

Adám

It might still be a while before 18.2 releases. Hopefully this year.

pVC aecidiospore adduced

whats the difference between 18.1 and 18.2?

Adám

18.2 is the new 18.1 :-)

pVC aecidiospore adduced

10:52 AM

Adám

18.2 is based on 17.0 while 18.1 was based on 18.0.

2 hours later…

pVC aecidiospore adduced

12:49 PM

@Adám oh ok

i will just get 18.2 when it comes out ig

4 hours later…

Master Quiz

4:27 PM

What about this solution to last @code_report 's video?

+/⍎∘(⍕1,⍨2∘⊃)¨

Adám

4:45 PM

@MasterQuiz Cute but obviously horribly inefficient. How about {(⍎∊2('+',⊃)¨⍵)1}

Master Quiz

5:02 PM

@Adám Can't understand how does this work after 2('+',⊃)¨⍵. Also why is mine inefficient? Is it the ⍕1,⍨?

Also why in the tree view of this (at least in TRYapl) the format doesn't appear? (⍎∊2⊃¨⊢). It also should be a function

Adám

@MasterQuiz ∊ flattens to a character vector, e.g. 'X++' 'X--' 'X++' becomes +++-++ which ⍎ evaluates to a 6-train (although the leftmost + doesn't matter). It then is applied to 1, giving +(+1)+(-1)+(+1). Yours does a bunch of executes, which are heavy.

@MasterQuiz Because TryAPL isn't so good at hiding the fact that ⍎ is replaced by a cover function.

Hm, the comment there "(allows only numbers)" isn't true any more. It now allows all code regarded as safe.

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