https://tutorials.ubuntu.com/tutorial/tutorial-create-a-usb-stick-on-ubuntu#0
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"""Download with automatic resume. | |
2018-06-28 v1.0 by Cees Timmerman | |
2018-07-09 v1.1 Added If-Unmodified-Since header for consistency.""" | |
import os, shutil, sys, time | |
import requests # python -m pip install requests | |
def download_file(url, local_filename=None): | |
if not local_filename: | |
local_filename = url.split('/')[-1] | |
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# -*- coding: utf-8 -*- | |
# Copyright (C) 2016, Maximilian Köhl <[email protected]> | |
""" | |
Python interface to the ModelSim simulator. The simulator is instrumented using FIFO pipes | |
such that it becomes fully controllable from within Python using TCL commands. | |
""" | |
import contextlib |
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Perl and PHP Regular Expressions | |
PHP regexes are based on the PCRE (Perl-Compatible Regular Expressions), so any regexp that works for one should be compatible with the other or any other language that makes use of the PCRE format. Here are some commonly needed regular expressions for both PHP and Perl. Each regex will be in string format and will include delimiters. | |
All Major Credit Cards | |
This regular expression will validate all major credit cards: American Express (Amex), Discover, Mastercard, and Visa. | |
//All major credit cards regex | |
'/^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6011[0-9]{12}|622((12[6-9]|1[3-9][0-9])|([2-8][0-9][0-9])|(9(([0-1][0-9])|(2[0-5]))))[0-9]{10}|64[4-9][0-9]{13}|65[0-9]{14}|3(?:0[0-5]|[68][0-9])[0-9]{11}|3[47][0-9]{13})*$/' |