Shan Zhong shanzhong

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

Using Pandoc to generate PDFs from Markdown

on a Mac running macOS 10.13.4

To install the needed components you can use Homebrew

Two Components are needed:

What I Wish I'd Known About Equity Before Joining A Unicorn

Disclaimer: This piece is written anonymously. The names of a few particular companies are mentioned, but as common examples only.

This is a short write-up on things that I wish I'd known and considered before joining a private company (aka startup, aka unicorn in some cases). I'm not trying to make the case that you should never join a private company, but the power imbalance between founder and employee is extreme, and that potential candidates would

This setup guide has been moved to my blog:

https://nathaniel.blog/tutorials/shadowsocks/

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

Useful Pandas Snippets

A personal diary of DataFrame munging over the years.

Data Types and Conversion

Convert Series datatype to numeric (will error if column has non-numeric values)
(h/t @makmanalp)

	#!/bin/bash

	# on local
	pempath="$1"
	ec2target="$2"

	ssh -T -i "${pempath}" -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no ubuntu@${ec2target} << 'EOBLOCK'
	# on remote machine
	sudo apt-get -y update
	sudo apt-get -y upgrade

	library(RColorBrewer)
	qual_col_pals <- brewer.pal.info[brewer.pal.info$category == 'qual',]
	col_vector <- unlist(mapply(brewer.pal, qual_col_pals$maxcolors, rownames(qual_col_pals)))

	#check
	myunif <- runif(40, 1, 1)
	barplot(myunif, col = col_vector)