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//Regular Expressions List

//Short Tutorial 

\	// the escape character - used to find an instance of a metacharacter like a period, brackets, etc.
.	// match any character except newline
x	// match any instance of x
^x	// match any character except x
[x]	// match any instance of x in the bracketed range - [abxyz] will match any instance of a, b, x, y, or z
|	// an OR operator - [x|y] will match an instance of x or y

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import argparse
from multiprocessing import Process
import logging
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
from scapy.all import *
import signal
import threading
from sys import platform

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Raspberry Pi VPN Router

This is a quick-and-dirty guide to setting up a Raspberry Pi as a "router on a stick" to PrivateInternetAccess VPN.

Requirements

Install Raspbian Jessie (2016-05-27-raspbian-jessie.img) to your Pi's sdcard.

Use the Raspberry Pi Configuration tool or sudo raspi-config to:

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from __future__ import print_function
import time

def query_10k(cur):
    t = time.time()
    for _ in range(10000):
        cur.execute("SELECT 1,2,3,4,5")
        res = cur.fetchall()
        assert len(res) == 1
        assert res[0] == (1,2,3,4,5)

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import sys
from PyQt5 import QtCore, QtWidgets


class MainWindow(QtWidgets.QWidget):

    switch_window = QtCore.pyqtSignal(str)

    def __init__(self):
        QtWidgets.QWidget.__init__(self)

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"""
Check Combo Box
---------------

A QComboBox subclass designed for multiple item selection.

The combo box popup allows the user to check/uncheck multiple items at
once.

"""

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from PyQt4.QtCore import QEvent, Qt
from PyQt4.QtGui import QLineEdit

class MyLineEdit(QLineEdit):
    def __init__(self, *args, **kwargs):
        QLineEdit.__init__(self, *args, **kwargs)
        
        self.completions = [] # All available completions
        self.partials = [] # Parsed completions according to partially typed word
        

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#!/usr/bin/env python
# -*- coding: utf-8 -*-

import htmlentitydefs
import re


entity_re = re.compile(r'&(%s|#(\d{1,5}|[xX]([\da-fA-F]{1,4})));' % '|'.join(
    htmlentitydefs.name2codepoint.keys()))

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Learning Aid - Top Base64 Encodings Table

MITRE ATT4CK - T1132 - Data Encoding

Base64 Code	Mnemonic Aid	Decoded*	Description
JAB	🗣 Jabber	$.	Variable declaration (UTF-16)
TVq	📺 Television	MZ	MZ header
UEs	🏬 Upper East Side	PK	ZIP, Office documents
SUVY	🚙 SUV	IEX	PowerShell Invoke Expression

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Installing Python 3.7 from source on Ubuntu 18.04

# update system
sudo apt update && sudo apt upgrade -y

# install build tools and python prerequisites
sudo apt install build-essential libssl-dev zlib1g-dev libncurses5-dev libncursesw5-dev libreadline-dev libsqlite3-dev libgdbm-dev libdb5.3-dev libbz2-dev libexpat1-dev liblzma-dev tk-dev libffi-dev

# download and extract python