start new:
tmux
start new with session name:
tmux new -s myname
# Enter your code here. Read input from STDIN. Print output to STDOUT | |
class Node: | |
def __init__(self,value,point): | |
self.value = value | |
self.point = point | |
self.parent = None | |
self.H = 0 | |
self.G = 0 | |
def move_cost(self,other): | |
return 0 if self.value == '.' else 1 |
Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
# Install Bash 4 using homebrew | |
brew install bash | |
# Or build it from source... | |
curl -O http://ftp.gnu.org/gnu/bash/bash-4.2.tar.gz | |
tar xzf bash-4.2.tar.gz | |
cd bash-4.2 | |
./configure --prefix=/usr/local/bin && make && sudo make install | |
# Add the new shell to the list of legit shells |
ಠ_ಠ | |
( ͡° ͜ʖ ͡°) | |
¯\_(ツ)_/¯ | |
(╯°□°)╯︵ ┻━┻ | |
http://www.fileformat.info/convert/text/upside-down.htm | |
WRTTN http://wrttn.me/30dbfd/ | |
Unicode Emoticons |
class FullPaths(argparse.Action): | |
"""Expand user- and relative-paths""" | |
def __call__(self, parser, namespace, values, option_string=None): | |
setattr(namespace, self.dest, os.path.abspath(os.path.expanduser(values))) | |
def is_dir(dirname): | |
"""Checks if a path is an actual directory""" | |
if not os.path.isdir(dirname): | |
msg = "{0} is not a directory".format(dirname) | |
raise argparse.ArgumentTypeError(msg) |
# 0 is too far from ` ;) | |
set -g base-index 1 | |
# Automatically set window title | |
set-window-option -g automatic-rename on | |
set-option -g set-titles on | |
#set -g default-terminal screen-256color | |
set -g status-keys vi | |
set -g history-limit 10000 |