jorgenschaefer

(defun foo ()
  (interactive)       ; To make it a command that can be bound to a key
  (string-rectangle   ; Call this function
   (region-beginning) ; First arg: START
   (region-end)       ; Second arg: END
   "ZZZ"))            ; Third arg: STRING
   

;; More idiomatically:

jorgenschaefer

(let* ((x 1) (y 2)) ...)

===

(setq x-old x)
(setq y-old y)
(setq x 1)
(setq y 2)
...
(setq x x-old)

jorgenschaefer

m = re.match(r'^(?:\s*([0-9]+)\s*x\s+)?(.*)$', line)
if m is None:
    continue
quantity, typename = m.groups()
if quantity is None:
    quantity = 1
...

jorgenschaefer

(global-set-key (kbd "C-c u") 'unfill-paragraph)
(defun unfill-paragraph ()
  (interactive)
  (let ((fill-column (point-max)))
    (fill-paragraph nil)))

jorgenschaefer

;; Save to foo.dot, run dot -Tpng foo.dot -o foo.png, done

(defun eldot ()
  (interactive)
  (let ((nodes (make-hash-table :test #'eq))
        (expr nil))
    (catch 'done
      (save-excursion
        (goto-char (point-min))
        (while t

jorgenschaefer

(defun lyk/close-buffer-on-process-exit ()
  (set-process-sentinel (get-buffer-process (current-buffer))
                        (lambda (proc change)
                          (when (and (string-match "finished" change)
                                     (process-buffer proc))
                            (kill-buffer (process-buffer proc))))))
(add-hook 'comint-exec-hook 'lyk/close-buffer-on-process-exit)

jorgenschaefer

class UpdateOrCreateMixin(object):
    """Mixin-Class for models.Manager subclasses.

    Provide the update_or_create method from Django 1.7 in earlier
    Djangos.

    """
    
    def update_or_create(self, defaults=None, **kwargs):
        """A convenience method for updating an object with the given kwargs,

jorgenschaefer

(when (file-directory-p "~/.emacs.d/site-lisp")
  (add-to-list 'load-path "~/.emacs.d/site-lisp")
  (dolist (dirname (directory-files "~/.emacs.d/site-lisp" t "^[^.]"))
    (when (file-directory-p dirname)
      (add-to-list 'load-path dirname))))

jorgenschaefer

$ cat $PYTHONSTARTUP
try:
    # this add completion to python interpreter
    import readline
    import rlcompleter
    # see readline man page for this
    readline.parse_and_bind("set show-all-if-ambiguous on")
    readline.parse_and_bind("tab: complete")
except:
    pass

jorgenschaefer

(defun circe-command-AKICK (args)
  (circe-command-MSG "ChanServ"
                     (format "AKICK %s ADD %s" circe-chat-target args)))