I put it at http://165.194.17.5/~june/jref2.pdf
On 3/30/06, Henry Rich <[EMAIL PROTECTED]> wrote: > Right, thanks. > > What I posted are just notes - the final version will be more usable, > or at least more compact. > > Your attachment didn't get to me. > > Henry Rich > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of June Kim > > Sent: Wednesday, March 29, 2006 11:04 AM > > To: Programming forum > > Subject: Re: [Jprogramming] Proposal for J Reference Card > > > > Hi > > > > Thank you for the great reference card. > > > > I think I found a typo: > > > > (3 4;2 2) u;._3 selects <approp part of 8x8 abc mtx> > > > > Shouldn't it be instead: > > > > (3 4,:2 2) u;._3 selects <approp part of 8x8 abc mtx> > > > > I made a 2-column pdf version of your raw file and attached it just > > for experimentation. > > > > > > On 3/29/06, Henry Rich <[EMAIL PROTECTED]> wrote: > > > I am working on a one-sheet reference card for J. It looks > > like it will fit > > > on front & back of an 8.5x11 sheet if I use an 8-point > > font. I have a first > > > pass at what I want to include, attached to this email as a > > text file. I > > > would like comments from interested users before I go > > through the pain of > > > cramming it onto a page. > > > > > > The intended user has a reading knowledge of J but may need > > some reminding > > > about what the primitives do. My goal is to include one > > example of all the > > > important idioms of J so that the interested user can look > > it up in more detail > > > if he finds it promising. The advanced reader who is > > trying to become expert in > > > J should feel that he has been exposed to most of the > > language once he has finished > > > reading the reference card. Coders trying to remember a > > form should find enough to > > > jog their memory. > > > > > > I am going to group the J facilities by function: > > partitions, math, selection, etc. > > > > > > For each form, I have an example, my mnemonic, and a > > result. If the result > > > is an array it's not shown in the text file. The operands > > A and B are > > > a character array and a complex boxed structure which will > > be shown in the > > > legend. > > > > > > I don't really expect anyone to review the attached notes > > in detail, but > > > if y'all would think a minute about what features you have > > found yourself > > > forgetting, or some feature you didn't find out about for > > years but now love, > > > let me know if you don't find it listed. I say nothing > > about useful verbs > > > from the J scripts and I welcome suggestions about what to mention. > > > > > > Henry Rich > > > > > > > > > > > > > > > > > ---------------------------------------------------------------------- > > > For information about J forums see > > http://www.jsoftware.com/forums.htm > > > > > > > > > > > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
