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def factorize(n):
    '''Adapted from http://www.math.utah.edu/~carlson/notes/python.pdf'''
    if n < 2:
        return '本函数仅适用于不小于2的正整数'
    d = 2
    factors = []
    while not n % d:
        factors.append(d)
        n /= d
    d = 3

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"自动缩进
set autoindent
"类似C语言风格的缩进
set cindent
"智能缩进:每一行都和前一行有相同的缩进量,
"同时这种缩进形式能正确的识别出花括号,当遇到右花括号（}）,
"则取消缩进形式。此外还增加了识别C语言关键字的功能。
"如果一行是以#开头的(比如宏)，那么这种格式将会被特殊对待而不采用缩进格式
set smartindent
"For Python Programmers

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from mmap import mmap
def tail(fn, count=10):
    with open(fn,'r+') as f:
        data = mmap(f.fileno(), 0)
        pos = len(data)
        for _ in range(count):
            pos = data.rfind('\n', 0, pos)
            if pos == -1: 
                pos = 0
                break

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人人的登录改版后，采用RSA加密后传输密码，该项目用于解决这种情况下人人的模拟登录

使用前先 pip install requests

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What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Element

Box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
• elem.clientLeft, elem.clientTop, elem.clientWidth, elem.clientHeight
• elem.getClientRects(), elem.getBoundingClientRect()

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Bash Shell启动方式与rc脚本

Shell的不同分类

根据启动Bash Shell的方式不同，对Shell有两种分类方式

登录Shell与非登录Shell

根据Shell的启动方式不同，可以将Shell分为

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# Hello, and welcome to makefile basics.
#
# You will learn why `make` is so great, and why, despite its "weird" syntax,
# it is actually a highly expressive, efficient, and powerful way to build
# programs.
#
# Once you're done here, go to
# http://www.gnu.org/software/make/manual/make.html
# to learn SOOOO much more.

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#!/usr/local/bin/php
<?php
# 注：请注意php路径，并给这个文件执行权限！！！

# 通过原始1024X1024图片来生成各种iphone ios icon，包含Content.json
# 
# 使用说明：
# 1、默认生成到当前目录:   IconMaker 1024.png
# 2、指定路径： IconMaker 1024.png ~/Desktop/icon/