rogerz

'use strict';

module.exports = function CustomError(message, extra) {
  Error.captureStackTrace(this, this.constructor);
  this.name = this.constructor.name;
  this.message = message;
  this.extra = extra;
};

CustomError.prototype = Object.create(Error.prototype);

rogerz

* filter and count IPs

```shell
grep -F 'SLEEP%285%29' /var/log/nginx/www.letsface.cn/access_www.letsface.cn.log  | grep -F '26/May/' | awk '{print $1}' | sort | uniq -c | sort -nr
```

rogerz

export DOCKER_HOST=tcp://localhost:4243

rogerz

on idle
	tell application "System Events"
		tell current location of network preferences
			set vpn to the service "VPN name"
			if vpn is not null then
				if current configuration of vpn is not connected then
					connect vpn
				end if
			end if
		end tell

rogerz

# include a variable for the upgrade header
map $http_upgrade $connection_upgrade {
    default   upgrade;
    ''        close;
}

server {
    listen 80;
    server_name example.com;

rogerz

rsync ./ ec2:~/wechat-demo --exclude '.git*' --compress --links --copy-unsafe-links --perms --recursive --times --delete --delete-excluded --progress

rogerz

sudo apt-get install libcap2-bin
sudo setcap cap_net_bind_service=+ep /usr/local/bin/node

# https://www.digitalocean.com/community/articles/how-to-use-pm2-to-setup-a-node-js-production-environment-on-an-ubuntu-vps

rogerz

syntax

command { [-setting]... "image"|-operation }... "output_image"

setting options

+ option is generally used to turn off the setting, or reset it to its normal default state

rogerz

/* https://github.com/yields/case/blob/master/dist/Case.js */
(function () {
  var Case = {};
  if (typeof define === 'function' && define.amd) {
    define(function(){ return Case; });
  } else if (typeof module !== 'undefined' && module.exports) {
    module.exports = Case;
  } else {
    this.Case = Case;
  }

rogerz

• Format c file

C-x h (M-x mark-whole-buffer)
C-M-\ (M-x indent-region)