• .bashrc
  - history.  HISTFILESIZE, HISTSIZE, histappend...
  - nice prompt for git/hg
     https://github.com/milkbikis/powerline-bash
     function _update_ps1() { export PS1="$(~/Scripts/powerline-bash.py --cwd-only $?)" }
  - export PROMPT_COMMAND="history -a; _update_ps1"
  - use CDPATH, can cd subdir in anywhere.
     export  CDPATH='.:~:~/project'
  
  
• CLI hotkey
  - emacs mode. seach, move to start/end, <alt> + .
  - vi mode. set -o vi
  - work on python shell, mysql shell, mongo shell, etc...

• window manager, backend is tmux/screen
• teamocil + tmux  Link: preview, repo
  
  
  

• check site packages
  - yolk   or   'pip freeze --local'
• virtualenvwrapper
  - dynamic load
  - tips and tricks
  - alias v='workon'
     alias v.mk='mkvirtualenv --distribute'
  - error. import random... execute mkvirtualenv name
• cache
  export PIP_DOWNLOAD_CACHE=$HOME/.pip/DIR
  sudo  visudo, add:
  Defaults        env_keep += "PIP_DOWNLOAD_CACHE"
  

• script  ps_mem.py    download @github
  
• hibernate
• fab
• select clip access
• one more script?

• window capture. wmctrl?
  
• 番茄钟 / workrave
  

• Django debug case
  ImportError: No module named urls
  strace
  
  
• oneliners
  $ echo '{"foo": "lorem", "bar": "ipsum"}' | python -mjson.tool | pygmentize -l json
  

Counting, without counting, in Python: Brandon Rhodes

# Creates one million integers

for i in range(1000000):
    print

# Creates them one at a time

for i in xrange(1000000):
    print

      简单的测试 (1 ms = 1000 us = 1000,000 ns) wiki

$ python -m timeit \
>  -s 'from itertools import repeat' \
>  'for x in repeat(None, 1000000): pass'

100 loops, best of 3: 16.8 msec per loop

• teamviewer: remote control
  
• mining pool. p2pool
  
• blockchain
• key

• 51% attack
• 庞氏骗局?
  
• GPU vs CPU

• minor mode
  
• buffer
• keyboard flow
  
• remote edit
• macros 
  Emacs（源自Editor MACroS，宏编辑器）
• <alt+x> execute function
• extension (package)
• customize?
  scp case
  stardict integrate

• desktop
  
• magit.el
  
• ido
  
• flymake
  
• Org-mode (with MobileOrg)
  
• info and help
  
• pymacs + rope
  
• yasnippet
  
• sqlplus.el

• python spec. align line
  
• better project
  
• navigator
  
• python shell
• window switch