bastengao’s gists

bastengao / slice_benchmark.go

Created November 10, 2021 03:05

Go slice performance benchmark

	package main

	import "testing"

	func BenchmarkInitLen(b *testing.B) {
	n := b.N
	for i := 0; i < n; i++ {
	a := make([]int64, n)
	for j := 0; j < n; j++ {
	a[j] = int64(j)

bastengao / Passengerfile.json

Last active November 1, 2019 00:45

passenger standalone systemd service

	{
	"environment": "production",
	"port": 3000,
	"daemonize": true,
	"pid_file": "tmp/pids/passenger.pid",
	"log_file": "log/passenger.log"
	}

bastengao / vacuum_all_tables.rb

Last active May 17, 2019 05:18

Execute vacuum analyze for all tables

ActiveRecord::Base.connection.tables.each { |name| puts "VACUUM ANALYZE #{name}"; ActiveRecord::Base.connection.execute("VACUUM ANALYZE #{name};") }

bastengao / error_example.rb

Created March 20, 2018 03:24

	class CustomError < StandardError
	# custom options to GraphQLError
	def options
	end
	end

	class MuationError < CustomError
	def initialize(key)
	@key = key
	message = I18n.t(key, scope: 'mutations.errors')

bastengao / split_transliation_to_files.rb

Created March 19, 2018 09:24

	# gem 'i18n_generators'
	# rails g i18n_translation zh-CN
	require 'yaml'

	local = YAML.load_file(Rails.root.join('config/locales/translation_zh-CN.yml'))

	models = local.dig('zh-CN', 'activerecord', 'models')
	attributes = local.dig('zh-CN', 'activerecord', 'attributes')

	models.each do \|key, value\|

bastengao / manipulae_iframe_content.html

Created March 21, 2017 06:43

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>test</title>
	<script type="text/javascript" src="//cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
	<script type="text/javascript">
	$(function(){

	$.get('http://huimin-media0.smart-museum.cn/pano/bingmayong/one.html', function(html) {

bastengao / maintance_page.html

Last active September 27, 2016 07:14

	<!DOCTYPE html>
	<html>
	<head>
	<title>系统升级中</title>
	<meta name="viewport" content="width=device-width,initial-scale=1">
	<style>
	body {
	background-color: #EFEFEF;
	color: #2E2F30;
	text-align: center;

bastengao / init_postgresql_user.md

Last active July 1, 2016 09:18

Init postgresql user

sudo su - postgres
psql

CREATE USER wwwuser WITH PASSWORD 'password';
CREATE DATABASE wwwuser OWNER wwwuser;

GRANT ALL PRIVILEGES ON DATABASE wwwuser to wwwuser;

bastengao / mini_magic_append_images.rb

Created June 25, 2016 09:43

Imagemagic append images vertically or horizontally.

	# http://www.imagemagick.org/script/command-line-options.php#append
	# append two images vertically
	# conver -append first.png second.png result.png
	MiniMagick::Tool::Convert.new do \|convert\|
	convert.append.-
	convert << "first.png"
	convert << "second.png"

	convert << "result.png"
	end

bastengao / buildagent.sh

Created April 23, 2015 02:47

Teamcity buildagent init start script

	#!/bin/bash

	# Teamcity buildagent daemon start/stop script.

	### BEGIN INIT INFO
	# Provides: Teamcity buildagent
	# Required-Start: $local_fs $network $remote_fs
	# Should-Start: ypbind nscd ldap ntpd xntpd
	# Required-Stop: $local_fs $network $remote_fs
	# Default-Start: 2 3 4 5

Basten Gao bastengao