Jiacheng bytemain

Obfuscating Python

Obfuscation isn't difficult in most programming languages. It's why we have "good practices" because it is so easy to hide what you mean in badly written code.

Obfuscation tends to be even easier in dynamic languages because of how forgiving they tend to be - and because they tend to give you direct access to the environment so that you can manipulate it.

Today, for fun, I'm going to obfuscate this code:

def _(n):

if n <= 0:

Treat git log as a book, exec git next or git prev to checkout the next or the previous commit.

Please check hutusi/git-paging for updates.

Dockerized: V2ray + WebSocket + TLS + Web

also see: https://toutyrater.github.io/advanced/wss_and_web.html

Server side sontents:

Caddyfile
config.json
docker-compose.yml

Client side contents:

How to Setup dnsmasq with dnscrypt-proxy and Cloudflare DNS on macOS

Using Laravel Valet for localhost development, So it installs dnsmasq with it. dnsmasq runs on port 53, The default DNS port. So we setup dnscrypt-proxy on port 5300 with the default config files in this gist.

dnscrypt-proxy Installation

brew install dnscrypt-proxy

	Total: 1~5
	下面各项得分的平均分

	Experience: 1~5
	过往项目的客户群（ToB or ToC）、项目规模、项目中担当的角色、是否有突出贡献等等

	Skill: 1~5
	开发基础、设计能力、能否攻克中大型开发难题，能否担当 full stack 任务等等

	[...]

	let fs = require("fs-extra");

	webpackConfig.plugins.push({
	apply(compiler) {
	console.log(`Valid hook names: ${Object.keys(compiler.hooks)}`);
	//compiler.hooks.beforeRun.tap("CopyPlugin_Custom", params=>{
	compiler.hooks.shouldEmit.tap("CopyPlugin_Custom", params=>{
	console.log(`Copying some difficult files (eg. *.wasm) from "node_modules/..." to "Resources/FromNodeModules/...".`);

	Key Sublime Text 3.2.1 Build 3207
	----- BEGIN LICENSE -----
	Member J2TeaM
	Single User License
	EA7E-1011316
	D7DA350E 1B8B0760 972F8B60 F3E64036
	B9B4E234 F356F38F 0AD1E3B7 0E9C5FAD
	FA0A2ABE 25F65BD8 D51458E5 3923CE80
	87428428 79079A01 AA69F319 A1AF29A4
	A684C2DC 0B1583D4 19CBD290 217618CD


	export type TraversePath = Array<string\|number> \| undefined;
	export type TraverseVisitor = (parent: any, key: string \| number, val: any, path: TraversePath) => void;

	export function traverse(obj: any, visit: TraverseVisitor, path: TraversePath) {
	function perNode(key: string \| number, val: any) {
	const path1 = path ? path.concat([key]) : undefined;
	visit(obj, key, val, path1);
	traverse(val, visit, path1);
	}

	from dataclasses import dataclass, fields as datafields
	from ujson import dumps, loads
	# Note: ujson seamlessly serializes dataclasses, unlike stdlib's json

	@dataclass
	class Point:
	x: float
	y: float

	# Shallow dataclass can be rebuilt from dict/json:

	import asyncio
	from gino import Gino
	from sqlalchemy import Column

	db = Gino()


	class Node(db.Model):
	__tablename__ = 'node'
	id = Column(db.Integer, primary_key=True)