Lisp on Lorenzo Bolla

Flycheck checker for Erlang dialyzer

Sat, 09 May 2015 00:00:00 +0000

Emacs Erlang mode misses the definition of a flycheck checker using dialyzer. Just add these lines to your .emacs to enable it:

I prefer to use it after the normal Erlang checker, so I define the following, too:

(flycheck-add-next-checker 'erlang 'erlang-dialyzer)

I also wrote another Flycheck checker if you are interested.

Enjoy!

Flycheck checker for Flow

Wed, 19 Nov 2014 00:00:00 +0000

Yesterday Facebook open sourced Flow, a static type checker for Javascript. If you use Emacs, you can use Flycheck to check your .js files on the fly using Flow.

Here is the checker definition I use:

I prefer to use Flow after gjslint, so I define the following, too:

(flycheck-add-next-checker 'javascript-gjslint 'javascript-flow)

I also wrote another Flycheck checker if you are interested.

Enjoy!

Find hyperlinks with lisp

Sun, 24 Oct 2010 00:00:00 +0000

Here is a quick-and-dirty script to extract all the unique links from a web page.

It uses cl-ppcre to extract the hyperlinks-like strings from a target string. Tested using drakma as web client.

(asdf:oos 'asdf:load-op :drakma)
(asdf:oos 'asdf:load-op :cl-ppcre)

(defparameter *url-re* "href *= *['"](\S+)['"]")

(defun find-links (str)
 (let ((urls '()))
 (ppcre:do-register-groups
 (u) (*url-re* str nil :start 0 :sharedp t)
 (pushnew u urls :test #'equalp))
 (nreverse urls)))

(print
 (find-links (drakma:http-request "http://lbolla.wordpress.com")))

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