GreenFaith

说明：
ulimit -u 10000     #设置各linux 用户的最大进程数
ulimit -n 204800 #每个进程可以打开的文件数目加大到4096，缺省为1024
ulimit -d unlimited #数据段长度
ulimit -m unlimited #最大内存大小
ulimit -s unlimited #堆栈大小
ulimit -t unlimited #CPU 时间
ulimit -v unlimited #虚拟内存
ulimit -c unlimited #core文件的大小

GreenFaith

def simple_app(environ, start_response):
    """Simplest possible application object"""
    status = '200 OK'
    response_headers = [('Content-type', 'text/plain')]
    start_response(status, response_headers)
    return ['Hello world!\n']


class AppClass:
    """Produce the same output, but using a class

GreenFaith

#lang racket

(define (calc exp) 
  (match exp
    [(? number? x) x]
    [(list op e1 e2) 
     (let ([v1 (calc e1)]
           [v2 (calc e2)])
       (match op
         ['+ (+ v1 v2)]

GreenFaith

change caps to ctrl

setxkbmap -option caps:ctrl_modifier

[ wiki ] ('https://wiki.archlinux.org/index.php/Keyboard_configuration_in_Xorg')

GreenFaith

V2EX API Documents

Site

site/stats.json

URL: http://www.v2ex.com/api/site/stats.json

获取社区统计信息。

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import sys, traceback

def run_user_code(envdir):
    source = raw_input(">>> ")
    try:
        exec source in envdir
    except:
        print "Exception in user code:"
        print '-'*60
        traceback.print_exc(file=sys.stdout)

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def run_with_cgi(application):

    environ = dict(os.environ.items())
    environ['wsgi.input']        = sys.stdin
    environ['wsgi.errors']       = sys.stderr
    environ['wsgi.version']      = (1, 0)
    environ['wsgi.multithread']  = False
    environ['wsgi.multiprocess'] = True
    environ['wsgi.run_once']     = True

GreenFaith

List of Chrome URLs

chrome://accessibility
chrome://appcache-internals
chrome://apps
chrome://blob-internals
chrome://bookmarks
chrome://cache
chrome://chrome
chrome://chrome-urls