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Install vips 8.14.2 into /usr/local in Amazon Linux 2023 from source code

packages ref: https://docs.aws.amazon.com/linux/al2023/release-notes/all-packages.html

sudo yum groupinstall 'Development Tools'
sudo pip3 install meson
# compile dependencies
sudo yum install glib2-devel expat-devel gobject-introspection-devel cmake ninja-build
# image library dependencies

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# frozen_string_literal: true

# Temporary solution for deprecation warnings of bundler v2.1+.
# https://github.com/capistrano/bundler/issues/115

namespace :load do
  task :defaults do
    set :bundle_flags, '--quiet'
    set :bundle_path, nil
    set :bundle_without, nil

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Naming rules

Services

Namespace

• 請優先以業務類型的複數命名。
• 在業務類型下，以 3rd party provider 名稱或子業務作細項區分。

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-- show running queries (pre 9.2)
SELECT procpid, age(query_start, clock_timestamp()), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(query_start, clock_timestamp()), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

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HTTP status code symbols for Rails

Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.

Status Code Symbol
1xx Informational
100 :continue
101 :switching_protocols
102 :processing

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職務名稱： Rails 工程師
需求人數： 1 - 2 人
職務類別： 軟體設計工程師、Internet程式設計師
工作單位：
  * 國立陽明大學 生物資訊研究所 楊永正實驗室
工作項目：
  * 生物資訊系統開發。
  * 有參與國際合作計畫之機會，歡迎有志者加入。

職能要求：

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// http://thesassway.com/advanced/inverse-trigonometric-functions-with-sass

$default-threshold: pi() / 180 / 20

@function convert-angle($value, $unit-name)
  $factors: (rad: 1rad, deg: 180deg / pi(), grad: 200grad / pi(), turn: 0.5turn / pi())
  @if not unitless($value)
    @warn "`#{$value}` should be unitless"
    @return false
  @if not map-has-key($factors, $unit-name)

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# app/models/ability.rb
module Ability
  class << self
    def ability_for user, options = {}
      abilities = AnonymousAbility.new

      return abilities unless user

      abilities.merge MemberAbility.new user, options

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## development
# app_path = `pwd`.strip
# app_shared_path = app_path
# app_current_path = app_path
# master_port = 4000

## production
app_path = '/srv/deploy/ufolio'
app_shared_path = "#{app_path}/shared"
app_current_path = "#{app_path}/current"

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namespace :load do
  task :defaults do
    set :unicorn_bin, :unicorn_rails
    set :unicorn_pid, -> { shared_path.join('tmp', 'pids', 'unicorn.pid') }
    set :unicorn_config, -> { current_path.join('config', 'unicorn.rb') }
    set :unicorn_gemfile, -> { current_path.join('Gemfile') }
    set :unicorn_env, -> { fetch(:rails_env) || fetch(:stage) }
    set :unicorn_roles, :app
    set :unicorn_sleep, 2
  end