porcow

Programming Achievements: How to Level Up as a Developer

This gist is part of a blog post. Check it out at:

http://jasonrudolph.com/blog/2011/08/09/programming-achievements-how-to-level-up-as-a-developer

porcow

#!/usr/bin/env sh

##
# This is script with usefull tips taken from:
#   https://github.com/mathiasbynens/dotfiles/blob/master/.osx
#
# install it:
#   curl -sL https://raw.github.com/gist/2108403/hack.sh | sh
#

porcow

def PrimeIter(num):                                                                                                                                                             
    seq = [ i for i in xrange(num) ]
                                                                                                                                            
    def gen():                                                                                                                                                                  
        for n in seq:                                                                                                                                                           
            if 2<=n<=num/2:                                                                                                                                            
                yield n                                                                                                                            

porcow

## {{{ http://code.activestate.com/recipes/474088/ (r1)
#!/usr/bin/env python2.4
# This program shows off a python decorator(
# which implements tail call optimization. It
# does this by throwing an exception if it is 
# it's own grandparent, and catching such 
# exceptions to recall the stack.

import sys

porcow

./configure  \
--prefix=/usr  \
--mandir=/usr/share/man  \
--infodir=/usr/share/info  \
--sysconfdir=/private/etc  \
--with-apxs2=/usr/sbin/apxs  \
--enable-cli  \
--with-config-file-path=/etc  \
--with-libxml-dir=/usr  \
--with-openssl=/usr  \

porcow

(define (fib n)
  (define (even? n)
    (= (remainder n 2) 0))
  (define (square n)
    (* n n))
  (define (double n)
    (+ n n))
  (define (fib-iter a b p q count)
    (cond ((= count 0) b)
          ((even? count) (fib-iter a

porcow

#ctrl a
set -g prefix ^a
unbind ^b
bind a send-prefix
#此类配置可以在命令行模式中输入show-options -g查询
#set-option -g base-index 1                        #窗口的初始序号；默认为0，这里设置为1
set-option -g display-time 5000                   #提示信息的持续时间；设置足够的时间以避免看不清提示，单位为毫秒
set-option -g repeat-time 1000                    #控制台激活后的持续时间；设置合适的时间以避免每次操作都要先激活控制台，单位为毫秒
set-option -g status-keys emacs                      #操作状态栏时的默认键盘布局；可以设置为vi或emacs
set-option -g status-right "#(date +%H:%M' ')"    #状态栏右方的内容；这里的设置将得到类似23:59的显示

porcow

#!/bin/bash
#
# chkconfig: 35 90 12
# description: Foo server
#
# For CentOS and RedHat run the following command as root :
# /sbin/chkconfig FOO on
#
# Get function from functions library
. /etc/init.d/functions

porcow

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porcow

Python Number Conversion Chart

From	To	Expression