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Harleqin

WITH-HTML-OUTPUT has two required parameters, but you provided only one.

Harleqin

Drakma can be used to get the page, and Closure HTML to parse it.

Harleqin

I don't know C# enough to tell you how to implement this, but I'll try to explain what these functions do. I believe that you would use different data structures in C# (and in modern Common Lisp, too, actually). (defun COUNT-HIGHEST (lists) "Returns the highest occuring pattern in its arg."...

Harleqin

I guess that your problem is the "*.*". While a special significance is often assigned to the last dot in a filename (the part after it being treated as an "extension"), for naming purposes this is irrelevant---EXCEPT in some operating systems like DOS (and Windows, which is base...

Harleqin

dmitry_vk wrote:
subhuman wrote:seems as if debian isn't much lisp-a-lized, is it? i'll have to install cl-gtk2 manually. anyway, many thx for the links.
The only Lisp-friendly Linux distributive is Gentoo at the moment. Usually, Gentoo contains latest versions of most Lisp libraries.

Yes, with the lisp overlay.

Harleqin

Minato wrote:this is my code:

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(defun nivel (l k)
  (cond
    ((null (cdr l)) k)
    ((> (nivel (cadr l) (+ k 1))
        (nivel (caddr l) (+ k 1)))
     (nivel (cadr l) (+ k 1)))
    (t (nivel (caddr l) (+ k 1)))))

Formatted. You can use

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 tags for that.

Harleqin

the problem is that i cannot use the setq function,and I can't figure out how to store the value of the deepest level found at a certain moment You don't need to store it. Either the right subtree of a node is deeper, or the left one is. So return the greater of the two. And how do you do that for ...

Harleqin

Perhaps you'd like to look at these hints again. The problem isn't too hard.

Harleqin

Jasper wrote: 2) Sometimes need lets or flets in some specific order, causing more nesting.

Why don't you use LET* and LABELS then?

Harleqin

To start with Emacs, just use the built-in tutorial (C-h t). I then printed out some Emacs Cheat Sheet and put it on the wall beside my working place. I think that I saw a SLIME Cheat Sheet somewhere, too. Both also have a quite complete manual, don't be afraid to read them.

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