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cffi and pointers help
Hi I'm having some troubles using from within cffi a function that returns a pointer. Please see below maybe you can give me ideas: ;;the C function that will become pointer.dll #ifdef BUILD_DLL #define EXPORT __declspec(dllexport) #else #define EXPORT __declspec(dllimport) #endif #include <stdio.h> #include... 28 Nov 2009 04:42
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duplicate chunks of code with small change
A function I'm writing has a section like this: (dolist (x long-list) (do-some-stuff) (push (if fn (funcall fn x) x) new-list)) Which is fine, but if long-list is actually long, it's silly and possibly slow to evaluate the "(if fn..." stuff every time. I came up with the following 2.5 alter... 28 Nov 2009 16:45
declaring 'ignore' inside a loop using destructuring
Here's a question for the loopers. Say I'm using loop destructuring like this: (defun foo (some-list) (loop for (a b c) in some-list do ;; code that uses a and c, but not b: (print a) (print c))) (compile 'foo) -> Warning: Variable b is never used. I know that in a destructuring-bind or a m... 25 Nov 2009 12:37
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clTcl: yet another interface to Tcl/Tk
Hi everybody I've finally found some time to wrap up my clTcl package. See http:// www.cliki.net/clTcl. The clTcl package provides an interface to Tcl/Tk via embedded scripts. It is similar to lisp2wish but more robust. It might be useful if you don't mind working with old-fashioned technology. Any feedb... 17 Nov 2009 08:21
grabbing key presses
Hi, I didn't give up yet. I was a bit busy with my day job so didn't have chance to post anything for a while. At the moment I am trying to write a Linux console application. I already have worked out how to do few things in Lisp, but I couldn't find answer to the following question: How do I grab key press... 17 Nov 2009 12:51
Remembering information during compilation
Spiros Bousbouras <spibou(a)gmail.com> writes: I'm trying to construct a macro called memory. (defparameter *cell* 0) (define-symbol-macro cell *cell*) (defmacro memory (&rest body) `(let ((*cell* (1+ *cell*))) ,@body))) C/USER[100]> (memory (format t "CELL has value ~a~%" ... 27 Nov 2009 12:10
Lisp sucks!
There's no way to funcall a setter! FUNCTION does not take variables! Python can do it! kt ... 7 Nov 2009 21:46
How to set the value?
Hi All, I have been programming in LISP for couple of months now. Today, came across a new notation and had a question on that. Let me give an example: I have an access to an "object" [i don't know what the technical term is for a variable of this data-type]. (setq some_var data.some_val) by doing the ab... 15 Nov 2009 06:45
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