henrik

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

marktheunissen

This playbook has been removed as it is now very outdated.

nyuichi

;;;; **deep binding**


;;; look up
(cdr (assq 'the-symbol *the-stack*))


;;; funcall
; wind...
(loop for arg  in args

chaitanyagupta

Reader Macros in Common Lisp

This post also appears on lisper.in.

Reader macros are perhaps not as famous as ordinary macros. While macros are a great way to create your own DSL, reader macros provide even greater flexibility by allowing you to create entirely new syntax on top of Lisp.

Paul Graham explains them very well in [On Lisp][] (Chapter 17, Read-Macros):

The three big moments in a Lisp expression's life are read-time, compile-time, and runtime. Functions are in control at runtime. Macros give us a chance to perform transformations on programs at compile-time. ...read-macros... do their work at read-time.

djoreilly

Add LOG.debug() statements

Most OpenStack modules have a global variable LOG defined already, e.g. in Neutron:

from neutron.openstack.common import log
LOG = log.getLogger(__name__)

use prettyprint to format complex data structures

from pprint import pformat

croepha

// This will open up a prompt for text to send to a console session on digital ocean
//  Useful for long passwords
(function () {        
        var t = prompt("Enter text to be sent to console, (This wont send the enter keystroke)").split("");
        function f() {
                
                var character = t.shift();
                var i=[];
                var code = character.charCodeAt();
                var needs_shift = "!@#$%^&*()_+{}:\"<>?~|".indexOf(character) !== -1

samiraguiar

Note for newcomers:

In the shortcuts below, "C" stands for CTRL and "A" stands for "ALT". This is a convention
used in the Midnight Commander documentation and was kept here.

You can also use "ESC" instead of "ALT", which is useful on Macbooks.

Main View
---------------------------------------------------------------
- File/directory operations

xcodebuild

;; org-archive-subtree-hierarchical.el
;; modified from https://lists.gnu.org/archive/html/emacs-orgmode/2014-08/msg00109.html

;; In orgmode
;; * A
;; ** AA
;; *** AAA
;; ** AB
;; *** ABA
;; Archiving AA will remove the subtree from the original file and create

bbuyukkahraman

Install Homebrew OS X package manager:
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Install ffmpeg with x265 support:
brew install ffmpeg --with-fdk-aac --with-ffplay --with-freetype --with-libass --with-libquvi --with-libvorbis --with-libvpx --with-opus --with-x265

Convert video to x265:
ffmpeg -i input -c:v libx265 -preset medium -crf 28 -c:a aac -b:a 128k output.mp4

Uninstall ffmpeg:

Fuco1

(defadvice org-archive-subtree (around fix-hierarchy activate)
  (let* ((fix-archive-p (and (not current-prefix-arg)
                             (not (use-region-p))))
         (afile (org-extract-archive-file (org-get-local-archive-location)))
         (buffer (or (find-buffer-visiting afile) (find-file-noselect afile))))
    ad-do-it
    (when fix-archive-p
      (with-current-buffer buffer
        (goto-char (point-max))
        (while (org-up-heading-safe))