etag

module ConditionalGet
  extend ActiveSupport::Concern

  private

  def render_conditional(resource, extra: nil)

package com.example.caching.config;

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.filter.ShallowEtagHeaderFilter;

import { createHash } from "crypto";
import { Request, Response } from "express";

export function computeEtag(body: string): string {
  const digest = createHash("sha1").update(body).digest("base64");
  return `"${digest}"`;

import hashlib
from functools import wraps

from flask import request, make_response
from redis import Redis

module Paginatable
  extend ActiveSupport::Concern

  Page = Struct.new(:records, :next_cursor, keyword_init: true)

  DEFAULT_LIMIT = 25

import hashlib
import json


def compute_etag(payload, weak=False):
    body = json.dumps(payload, sort_keys=True, separators=(",", ":"))

const crypto = require('crypto');

function computeStrongEtag(body) {
  const buf = Buffer.isBuffer(body) ? body : Buffer.from(String(body));
  const digest = crypto.createHash('sha1').update(buf).digest('base64');
  return '"' + digest + '"';

package web

import (
	"embed"
	"io/fs"
)

require 'digest'
require 'json'

module CacheHelpers
  def cache_control_public(max_age = 60)
    cache_control :public, :must_revalidate, max_age: max_age