Yudu banyudu

Introducing S.T.A.R as an alternative to S.M.A.R.T objective definition.

Let's start by reviewing what S.M.A.R.T stands for:

S: Specific
M: Measurable
A: Achievable
R: Relevant
T: Time-bound

AES/CBC/PKCS5PADDING - Java/Javascript (Encryption & Decryption)

user-package-stats

I was poking around trying to figure out all the packages I have access to publish and got curious. So I write this little script to determine the download stats for all the packages I have publish access to.

Feel free to try it yourself. Just change the username passed to getUserDownloadStats.

By default, the stats are sorted by their average daily downloads (descending). That should give you an idea of the most "popular" package of a given user relative to how long that package has been around.

You can use it with npx like so:

分辨需要设置的代理

HTTP 形式：

git clone https://github.com/owner/git.git
SSH 形式：

git clone [email protected]:owner/git.git

一、HTTP 形式

走 HTTP 代理

A brief example on how to use npx to run gist based scripts.

Read the article here https://neutrondev.com/npm-vs-npx-whats-the-difference/ or watch it on YouTube https://www.youtube.com/watch?v=fSHWc8RTJug

如何使用python3逃逸沙箱，获得进程上下文权限提升

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。

背景

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

Docker Hub 镜像加速器

国内从 Docker Hub 拉取镜像有时会遇到困难，此时可以配置镜像加速器。

Dockerized 实践 https://github.com/y0ngb1n/dockerized

1️⃣ Docker daemon 配置代理（推荐）

参考 Docker daemon 配置代理

	sass_binary_site=https://cdn.npmmirror.com/binaries/node-sass
	disturl=https://registry.npmmirror.com/dist
	profiler_binary_host_mirror=https://cdn.npmmirror.com/binaries/node-inspector/
	fse_binary_host_mirror=https://cdn.npmmirror.com/binaries/fsevents/
	phantomjs_cdnurl=https://cdn.npmmirror.com/binaries/phantomjs/
	electron_mirror=https://cdn.npmmirror.com/binaries/electron/
	chromedriver_cdnurl=https://cdn.npmmirror.com/binaries/chromedriver
	operadriver_cdnurl=https://cdn.npmmirror.com/binaries/operadriver
	selenium_cdnurl=https://cdn.npmmirror.com/binaries/selenium
	node_inspector_cdnurl=https://cdn.npmmirror.com/binaries/node-inspector

	# package-lock=false
	registry="https://registry.npm.taobao.org"
	disturl="https://npm.taobao.org/dist"
	nvm_nodejs_org_mirror="http://npm.taobao.org/mirrors/node"
	nodejs_org_mirror="http://npm.taobao.org/mirrors/node"
	sass_binary_site="http://npm.taobao.org/mirrors/node-sass"
	electron_mirror="http://npm.taobao.org/mirrors/electron/"
	SQLITE3_BINARY_SITE="http://npm.taobao.org/mirrors/sqlite3"
	profiler_binary_host_mirror="http://npm.taobao.org/mirrors/node-inspector/"
	node_inspector_cdnurl="https://npm.taobao.org/mirrors/node-inspector"

	srcfile=$1
	dstfile=$(basename $srcfile .svg).ico
	convert -density 256x256 -background transparent $srcfile -define icon:auto-resize -colors 256 $dstfile