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Common zsh Keyboard Shortcuts on macOS

Navigation

CTRL + A : Move the cursor to the beginning of the line
CTRL + E : Move the cursor to the end of the line
OPTION + Left Arrow : Move the cursor one word backward
OPTION + Right arrow : Move the cursor one word forward
Left Arrow : Move the cursor one character backward
Right Arrow : Move the cursor one character forward

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。Docker 官方和国内很多云服务商都提供了国内加速器服务。

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

配置加速地址

Ubuntu 16.04+、Debian 8+、CentOS 7+

$/
  artifacts/
  build/
  docs/
  lib/
  packages/
  samples/
  src/
 tests/

	#!/usr/bin/env python3


	class Pump(object):
	def __init__(self, fuel_capacity):
	self.fuel_capacity = fuel_capacity
	self.car = None


	class GasStation(object):

	#!/bin/sh

	# sendmail-gcloud
	#
	# Installation instructions
	# Copy the content of this file to /usr/sbin/sendmail-gcloud
	#
	# Google Account
	# ---------------
	# Create a Google Cloud account if you don't have one yet. Free trial is available at https://console.cloud.google.com/freetrial

	#include <lua.hpp> // LuaJIT header
	#include <iostream> // Access to std::system("PAUSE")
	#include <memory>

	// A simple class to be bound in our Lua environment.
	class MyClass
	{
	public:
	MyClass()
	{

	# Runs on windows by command -> vlc --vlm-conf path_to_file.vlm

	# Background options
	new bg broadcast enabled
	# bg just plain black background jpg image
	setup bg input "C:\Users\full_path_to\back.jpg"
	setup bg option image-duration=-1
	setup bg output #transcode{sfilter=mosaic{width=1920,height=960,cols=3,rows=2,position=1,order="1,2,3,4,5,6",keep-aspect-ratio=enabled,keep-picture=1,mosaic-align=5},vcodec=mp4v,vb=2000,fps=15}:duplicate{dst=display}

	# Input options

	import cv2
	import numpy as np

	def cylindricalWarp(img, K):
	"""This function returns the cylindrical warp for a given image and intrinsics matrix K"""
	h_,w_ = img.shape[:2]
	# pixel coordinates
	y_i, x_i = np.indices((h_,w_))
	X = np.stack([x_i,y_i,np.ones_like(x_i)],axis=-1).reshape(h_*w_,3) # to homog
	Kinv = np.linalg.inv(K)

	@echo off
	NET SESSION >nul 2>&1
	IF %ERRORLEVEL% NEQ 0 GOTO ELEVATE >nul
	GOTO ADMINTASKS

	:ELEVATE
	CD /d %~dp0 >nul
	MSHTA "javascript: var shell = new ActiveXObject('shell.application'); shell.ShellExecute('%~nx0', '', '', 'runas', 1);close();" >nul
	EXIT

	# I'll be doing another one for Linux, but this one will give you
	# a pop up notification and sound alert (using the built-in sounds for macOS)

	# Requires https://github.com/caarlos0/timer to be installed

	# Mac setup for pomo
	alias work="timer 60m && terminal-notifier -message 'Pomodoro'\
	-title 'Work Timer is up! Take a Break 😊'\
	-appIcon '~/Pictures/pumpkin.png'\
	-sound Crystal"