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function tobignum(v, f, step)
   -- 自带tonumber遇到大整数溢出
   -- v is a md5 hexdigest value, f is base format like binary or hex, use step to slice v 
   if f == nil then
      f = 16
   end
   if step == nil then
      step = 8
   end
   local len = string.len(v)

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# -*- coding: utf-8 -*-
# requirements: cryptography==1.4
from cryptography.hazmat.primitives import serialization, hashes
from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.backends import default_backend
from cryptography.exceptions import InvalidSignature
from collections import OrderedDict
import json
from base64 import b64decode, b64encode

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from bs4 import BeautifulSoup
'''
format table with rowspan or colspan to [[]] two dimension lists with the same number td in tr.
html表格格式化，有合并单元格的表格拆分出来，组成td元素个数一致的规整表格。
'''
def test_rowspan():
    html_data_row = '''<table border="1">    
    <tr>    <td>Montd</td>    <td>Savings</td>    <td>Savings for holiday!</td>  </tr>  
    <tr>    <td>January</td>    <td>$100</td>    <td rowspan="2">$50</td>  </tr>  
    <tr>    <td>February</td>    <td>$80</td>  </tr>    </table>'''

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# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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# coding: utf-8
import os
import time

from django.contrib.auth.hashers import make_password
from django.conf import settings
settings.configure()
algo = 'pbkdf2_sha256'
ps = 'SecLists/Passwords'

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macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options: