最近突发奇想,想对所掌握的python知识进行总结一下,目前其实还停留在python层面如何使用,还没有深入到虚拟机部分,如果下面有哪些错误,欢迎指出。
OJ(Online judge, 在线编程测评提交代码到后台运行检查)网站一般都允许各种各样的代码提交,其中很有可能包含python3,于是决定尝试通过python3的代码执行,进行沙箱逃逸,以及绕过各种限制。
我随便找了一个OJ网站,这个站点的python3有如下限制
import { writeFile } from 'fs/promises' | |
const DRAW_THINGS_URL = 'http://127.0.0.1:7860/sdapi/v1/txt2img' | |
const BATCH_COUNT = 5 | |
const IMG_SIZE = 512 | |
const MAX_FILE_NAME_LEN = 30 | |
const prompt = 'bunch of carrots' | |
const params = { |
/* | |
/* Theme custom css start | |
/* https://raw.githack.com/dracula/logseq/master/custom.css | |
*/ | |
@import url("https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400;500;700&family=Fira+Sans:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,500;1,700&display=swap"); | |
:root { | |
--background: #282a36; | |
--light-background: #343746; |
{ | |
# Enable Debug mode | |
debug | |
# Disable admin API | |
admin off | |
} | |
localhost { | |
# https://caddyserver.com/docs/caddyfile/directives/push |
Mute these words in your settings here: https://twitter.com/settings/muted_keywords | |
ActivityTweet | |
generic_activity_highlights | |
generic_activity_momentsbreaking | |
RankedOrganicTweet | |
suggest_activity | |
suggest_activity_feed | |
suggest_activity_highlights | |
suggest_activity_tweet |
#!/usr/bin/env bash | |
# Author: Sasha Nikiforov | |
# source of inspiration | |
# https://stackoverflow.com/questions/41293077/how-to-compile-tensorflow-with-sse4-2-and-avx-instructions | |
# Detect platform | |
if [ "$(uname)" == "Darwin" ]; then | |
# MacOS |
Past August 2024, Authy stopped supported the desktop version of their apps:
See Authy is shutting down its desktop app | The 2FA app Authy will only be available on Android and iOS starting in August for details.
And indeed, after a while, Authy changed something in their backend which now prevents the old desktop app from logging in. If you are already logged in, then you are in luck, and you can follow the instructions below to export your tokens.
If you are not logged in anymore, but can find a backup of the necessary files, then restore those files, and re-install Authy 2.2.3 following the instructions below, and it should work as expected.
# Install tmux on rhel/centos 7 | |
# install deps | |
yum install gcc kernel-devel make ncurses-devel | |
# DOWNLOAD SOURCES FOR LIBEVENT AND MAKE AND INSTALL | |
curl -OL https://github.com/libevent/libevent/releases/download/release-2.0.22-stable/libevent-2.0.22-stable.tar.gz | |
tar -xvzf libevent-2.0.22-stable.tar.gz | |
cd libevent-2.0.22-stable | |
./configure --prefix=/usr/local |
# Redis Cheatsheet | |
# All the commands you need to know | |
redis-server /path/redis.conf # start redis with the related configuration file | |
redis-cli # opens a redis prompt | |
# Strings. |