Discover gists

	command	usage
	git init	Creates an empty Git repository in the specified directory.
	git clone <repository name>	Clones a repository located at <repository name> onto your local machine.
	git add <directory>	Stages only the specified changes for the next commit. Replace <directory> with a <file> to change a specific file.
	git add .	Stages new files and modifications without deletions
	git add -A	Stages all changes
	git add -all	Equivalent to git add -A
	git add -u	Stages modifications and deletions without adding new files
	git add --update	Equivalent to git add -u
	git commit -m ”<message>”	Commits the staged snapshot. replace <message> with the commit message.

Install Moby / Docker CE

sudo dnf install -y git docker containerd cni-plugins container-selinux udica
sudo usermod -aG docker ec2-user
sudo systemctl enable --now docker

既に穴だらけですが、やれるだけやっていきます。今回はパターンマッチの話です。

はい、あなたのよく知るパターンマッチです。ガードも使えますが、他の言語でガードを使うパターンの一部はOCamlのorパターンと同等の機能や範囲を表す機能によって置き換えることができます。

sudo apt install zsh-autosuggestions zsh-syntax-highlighting zsh

	#!/bin/bash
	# Sometimes you need to move your existing git repository
	# to a new remote repository (/new remote origin).
	# Here are a simple and quick steps that does exactly this.
	#
	# Let's assume we call "old repo" the repository you wish
	# to move, and "new repo" the one you wish to move to.
	#
	### Step 1. Make sure you have a local copy of all "old repo"
	### branches and tags.

	apt-get remove -y --purge x11-common
	apt-get autoremove -y --purge
	apt-get install -y deborphan
	deborphan \| xargs dpkg -P # do this a bunch of times

	#!/usr/bin/env bash

	# Abort sign off on any error
	set -e

	# Start the benchmark timer
	SECONDS=0

	# Repository introspection
	OWNER=$(gh repo view --json owner --jq .owner.login)

	{0: 'tench, Tinca tinca',
	1: 'goldfish, Carassius auratus',
	2: 'great white shark, white shark, man-eater, man-eating shark, Carcharodon carcharias',
	3: 'tiger shark, Galeocerdo cuvieri',
	4: 'hammerhead, hammerhead shark',
	5: 'electric ray, crampfish, numbfish, torpedo',
	6: 'stingray',
	7: 'cock',
	8: 'hen',
	9: 'ostrich, Struthio camelus',