Vasantha Ganesh Kanniappan vasanthaganeshk

via: http://www.webupd8.org/2014/05/install-popcorn-time-in-ubuntu-or.html

To add the WebUpd8 Popcorn Time PPA and install the app in Ubuntu / Linux Mint (and elementary OS along with Ubuntu derivatives: Xubuntu, Kubuntu, etc.), use the following commands:

$ [sudo] add-apt-repository ppa:webupd8team/popcorntime
$ [sudo] apt-get update
$ [sudo] apt-get install popcorn-time

Build Emacs-w64 with MSYS2/MinGW-w64 with Native Compilation

Instructions are modified from emacs-w64 Wiki page by zklhp. Many thanks for sharing!

Download the latest MSYS2 from this download page.
Install MSYS2 to, for example, C:\msys2 (make sure no space in path to avoid unwanted problems).
Optionally prettify the MSYS2 console mintty with ~/.minttyrc to make it more pleasing to eyes. Thanks to this awesome theme!

Basic unit type:

λ> replTy "()"
() :: ()

Basic functions:

Quick and Dirty Ceph Cluster

This is a bare-bones guide on how to setup a Ceph cluster using ceph-ansible

This guide assumes:

Ansible is installed on your local machine
Eight Centos 7.2 nodes are provisioned and formatted with XFS
You have ssh and sudo access to your nodes

Ansible Setup

Find & Replace within an Entire Directory or Git Repo with sed

If replacing within a directory:

grep -rl 'apples' /dir_to_search_under | xargs sed -i 's/apples/oranges/g'

Or, within an entire git repository:

	# Compiled source #
	###################
	*.com
	*.class
	*.dll
	*.exe
	*.o
	*.so

	# Packages #

	module DepthFirstSearch where

	import Data.Foldable (asum)
	import Data.List ((\\))

	dfs :: (Eq a) => (a -> [a]) -> a -> a -> Maybe [a]
	dfs next start goal = dfs' [] start
	where dfs' path current
	\| current == goal = Just . reverse $ goal : path
	\| null nexts = Nothing