Dyalog Forums

In 1995 John Scholes and Pete Donnelly visited SunGard Capital Markets in Philadelphia. In the meeting they were told that Dyalog would have to implement Control Structures and that they would have to be identical to APL*2000's (for SunGard to use Dyalog), following which Dyalog implemented the ...

An adverb takes a noun or verb to create a derived verb. So if I understand correctly in 3 0 1∘/ we are creating a derived verb which itself is used with the operator ¨ . Many years ago, in one of an articles I read a long time ago it said that the left operand of / is everything that is to the left ...

I was perusing an old issue of Zark and came across this

      ⍴3 0 1/2
4
  ⍴3 0 1/¨2
(empty)

  M←2 3 ⍴⍳6
  ⍴3 0 1/M
2 4
  ⍴3 0 1/¨M
2 3

Dyalog APL does not produce these results. Has the behavior or definition of / changed over the decades? Is ⎕ML responsible?

With the Covid-19 lockdown I finally have had some time to catch up on some programming knowledge. It appears that it is no longer sufficient to know Dyalog APL only to create software applications that can be used by a wide audience, for e.g., applications such as Evernote or Tableau on Desktop, or ...

You ask people and see where you can add value.

I am an Employer and can provide "a" perspective, my own. Find "somebody" who is doing something worthwhile and write code for them, for free if necessary. There is nothing better to sell yourself than have your code be a running application serving a purpose and providing a value to society. If the ...

That was 6 years ago. By now the patient is dead and cremated.

8 GB

I started looking at the JSON I-beams and my very first sample did not work. Here it is A {"first_name" : "Neeraj", "last_name" : "Gupta", "stocks" : [ {"S1":"IBM"}, {"S2":"MSFT"} ] } j←0 (7159⌶) A j.stocks.⎕nl 2 S1 S2 j.stocks.S1 VALUE ERROR j.stocks.S1 ∧