codesnips

http

python 
import hashlib
import json


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

Conditional GET with ETag Generation and 304 Not Modified in Flask

flask http caching
by codesnips 3 tabs
ruby 
require 'sinatra'
require 'json'
require_relative 'book'
require_relative 'helpers'

set :books, {

Sinatra Content Negotiation: Serve HTML or JSON by Accept Header

sinatra rack content-negotiation
by codesnips 4 tabs
php 
<?php

namespace App\Correlation;

final class CorrelationIdStorage
{

Propagate a Correlation ID Through Symfony Requests and Monolog Logs

symfony monolog logging
by codesnips 4 tabs
go 
package main

import (
	"log"
	"net/http"
	"time"

Instrumenting Go HTTP Handlers with Prometheus Counters and Histograms

prometheus metrics observability
by codesnips 3 tabs
ruby 
require 'uri'
require 'rack/utils'

module PaginationLinks
  module_function

Cursor-Style Pagination With RFC 5988 Link Headers in Sinatra

sinatra pagination rest-api
by codesnips 3 tabs
go 
package pricecache

import (
	"context"
	"sync"

Collapse Concurrent Identical Requests in Go with singleflight

go singleflight concurrency
by codesnips 3 tabs
java 
@Entity
@Table(name = "idempotency_records",
       uniqueConstraints = @UniqueConstraint(columnNames = "idempotency_key"))
public class IdempotencyRecord {

    public enum Status { IN_PROGRESS, COMPLETED }

Idempotent POST Handling in Spring Boot with a Stored Idempotency-Key

spring-boot idempotency rest-api
by codesnips 3 tabs
go 
package upload

import (
	"errors"
	"io"
	"log"

Streaming Multipart File Uploads to Disk in Go net/http

go net-http multipart
by codesnips 3 tabs
go 
package proxy

import (
	"log"
	"net"
	"net/http"

Building a Reverse Proxy in Go with httputil.ReverseProxy and Header Rewriting

go reverse-proxy httputil
by codesnips 3 tabs
go 
package realtime

import (
  "fmt"
  "net/http"
  "time"

Server-Sent Events (SSE) with heartbeats and client cleanup

go http sse
by Leah Thompson 1 tab
go 
package webhook

import (
	"encoding/json"
	"io"
	"net/http"

Verifying and Dispatching Stripe-Style Webhooks by Event Type in Go

webhooks go hmac
by codesnips 3 tabs
typescript 
import { NestFactory } from '@nestjs/core';
import { ValidationPipe } from '@nestjs/common';
import { AppModule } from './app.module';

async function bootstrap() {
  const app = await NestFactory.create(AppModule);

Global ValidationPipe with class-validator DTOs and Transform in NestJS

nestjs validation dto
by codesnips 3 tabs