Discover gists

File Magic Numbers

Magic numbers are the first bits of a file which uniquely identify the type of file. This makes programming easier because complicated file structures need not be searched in order to identify the file type.

For example, a jpeg file starts with ffd8 ffe0 0010 4a46 4946 0001 0101 0047 ......JFIF.....G ffd8 shows that it's a JPEG file, and ffe0 identify a JFIF type structure. There is an ascii encoding of "JFIF" which comes after a length code, but that is not necessary in order to identify the file. The first 4 bytes do that uniquely.

This gives an ongoing list of file-type magic numbers.

Image Files

解决 Git 在 windows 下中文乱码的问题

原因

中文乱码的根源在于 windows 基于一些历史原因无法全面支持 utf-8 编码格式，并且也无法通过有效手段令其全面支持。

解决方案

安装

	# Compiled source #
	###################
	*.com
	*.class
	*.dll
	*.exe
	*.o
	*.so

	# Packages #

	import json
	import csv
	import sys
	import datetime
	import os


	def make_reader(in_json):

	# Open location history data

	#!/bin/bash
	# Author: Casper Pedersen (github.com/casperghst42)
	# License: GPL2

	wget https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-generic-amd64.qcow2
	virt-customize -a debian-12-generic-amd64.qcow2 --install qemu-guest-agent --install resolvconf --install systemd-resolved --update --run-command 'mkdir -p /etc/network/interfaces.d' --run-command 'echo "auto ens18" >> /etc/network/interfaces.d/ens18' --run-command 'echo "iface ens18 inet manual" >> /etc/network/interfaces.d/ens18'

	qm create 100000 --name "debian12-cloudinit-template" --memory 2048 --net0 virtio,bridge=vmbr0
	qm importdisk 100000 debian-12-generic-amd64.qcow2 local-lvm -format qcow2

	import sys

	import numpy as np
	import yt

	import yt_idv

	# yt reminder: phi is the polar angle (0 to 2pi)
	# theta is the angle from north (0 to pi)

	import os
	from dotenv import load_dotenv

	dotenv_path = os.path.join(os.path.dirname(__file__), '.env')
	if os.path.exists(dotenv_path):
	load_dotenv(dotenv_path)


	class Config(object):

	#!/bin/bash
	# Just Setup Script
	#chmod +x filename.sh
	#COLORS
	Color_Off='\033[0m' # Text Reset
	# Regular Colors
	Red='\033[0;31m' # Red
	Green='\033[0;32m' # Green
	Yellow='\033[0;33m' # Yellow
	Purple='\033[0;35m' # Purple

	########################
	# UUID for SQLite hack #
	########################

	from sqlalchemy.types import TypeDecorator, CHAR
	from sqlalchemy.dialects.postgresql import UUID
	import uuid


	class GUID(TypeDecorator):

	NetLimiter 3
	Registration name: Peter Raheli
	Registration code: C99A2-QSSUD-2CSBG-TSRPN-A2BEB

	NetLimiter 4
	Registration Name: Vladimir Putin #2
	Registration Code: XLEVD-PNASB-6A3BD-Z72GJ-SPAH7

	https://www.netlimiter.com/download
	# Netlimiter Full Netlimiter Activated Netlimiter cracked Netlimiter Full Version Netlimiter Serial Netlimiter keygen Netlimiter crack Netlimiter 4 serial Netlimiter 4 Crack Netlimiter 4 register Netlimiter 4 patch Netlimiter full Full version Netlimiter 4 Activated Netlimiter 4 Cracked Netlimiter Pro