codesnips

redis

lua 
local key = KEYS[1]
local capacity = tonumber(ARGV[1])
local rate = tonumber(ARGV[2])
local now = tonumber(ARGV[3])
local ttl = tonumber(ARGV[4])

Redis-Backed Token Bucket Rate Limiter with Lua Atomic Refill in Go

rate-limiting token-bucket redis
by codesnips 3 tabs
typescript 
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}"`;

ETag + conditional GET for read-heavy endpoints

performance express http-caching
by codesnips 3 tabs
python 
CACHES = {
    'default': {
        'BACKEND': 'django_redis.cache.RedisCache',
        'LOCATION': 'redis://127.0.0.1:6379/1',
        'OPTIONS': {
            'CLIENT_CLASS': 'django_redis.client.DefaultClient',

Django redis caching strategies

django python redis
by Priya Sharma 2 tabs
php 
<?php

namespace App\Providers;

use Illuminate\Cache\RateLimiting\Limit;
use Illuminate\Http\Request;

Per-User API Rate Limiting With a Custom RateLimiter in Laravel

laravel rate-limiting throttle
by codesnips 3 tabs
ruby 
module Middleware
  class RateLimiter
    def initialize(app, redis:, limit:, window:)
      @app = app
      @limiter = SlidingWindowLimiter.new(redis: redis, limit: limit, window: window)
      @limit = limit

Sliding-Window API Rate Limiting with a Rack Middleware and Redis in Rails

rails rack redis
by codesnips 3 tabs
erb 
<%# Fragment caching - caches rendered HTML %>
<% cache @product do %>
  <h1><%= @product.name %></h1>
  <p><%= @product.description %></p>
  <p>Price: $<%= @product.price %></p>
<% end %>

Rails caching strategies for performance

ruby rails caching
by Sarah Mitchell 4 tabs
ruby 
require "securerandom"
require "digest"

class SlidingWindowLimiter
  Result = Struct.new(:allowed, :count, :remaining)

Sliding-Window API Rate Limiting with Rack Middleware and Redis

ruby rack redis
by codesnips 4 tabs
php 
<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

Throttled Last-Seen Tracking with Laravel Middleware and Redis Cache

laravel middleware redis
by codesnips 4 tabs
typescript 
import { SetMetadata } from '@nestjs/common';

export const CACHEABLE_KEY = 'cacheable:options';

export type VaryDimension = 'user' | 'tenant' | 'query';

Per-Route Response Caching in NestJS with a Custom CacheInterceptor and Cache Key Builder

nestjs caching interceptors
by codesnips 4 tabs
php 
<?php

namespace App\Services\RateLimit;

use Illuminate\Support\Facades\Redis;

Rate-Limited HTTP Client Wrapper With Redis Token Bucket and a Queued Dispatcher

laravel redis rate-limiting
by codesnips 4 tabs
typescript 
import type { Redis } from "ioredis";

export interface RawEntry {
  member: string;
  score: number;
}

Redis-Backed Paginated Leaderboard With a Repository and Ranking Service

redis leaderboard pagination
by codesnips 3 tabs
python 
import hashlib
from functools import wraps

from flask import request, make_response
from redis import Redis

Flask ETag Caching for an Expensive Endpoint with Conditional 304 Handling

flask http-caching etag
by codesnips 2 tabs