codesnips
java 
package com.example.security;

import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.security.Keys;
import org.springframework.beans.factory.annotation.Value;

Stateless JWT Authentication with a Token Service and a Spring Security Filter

spring-security jwt authentication
by codesnips 3 tabs
javascript 
const sharp = require('sharp');

const DEFAULTS = {
  maxWidth: 1600,
  maxHeight: 1600,
  format: 'webp',

Resize and Compress Uploaded Images with Sharp Before Saving to Disk

nodejs express sharp
by codesnips 3 tabs
php 
<?php

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

Polymorphic Media Attachments in Laravel With a Queued Image Resize Job

laravel polymorphism eloquent
by codesnips 4 tabs
rust 
use std::collections::HashMap;
use std::path::PathBuf;

use walkdir::WalkDir;

pub fn group_by_size(root: &str) -> HashMap<u64, Vec<PathBuf>> {

Detect Duplicate Files with Parallel Blake3 Checksums in Rust

rust checksums blake3
by codesnips 4 tabs
typescript 
export interface DocState {
  text: string;
  selection: number;
}

export interface Command<S> {

Undo/Redo in a React Text Editor with a Command-History Stack

react hooks undo-redo
by codesnips 3 tabs
ruby 
class TenantResolver
  RESERVED = %w[www app admin].freeze

  def initialize(app)
    @app = app
  end

Multi-Tenant Subdomain Isolation with Rack Middleware and Thread-Local Scoping

rails rack multi-tenancy
by codesnips 4 tabs
java 
import org.springframework.hateoas.RepresentationModel;
import java.math.BigDecimal;

public class ProductModel extends RepresentationModel<ProductModel> {

    private final Long id;

Cursor-Based Pagination with HATEOAS Links in Spring Data REST

spring-boot spring-data-jpa hateoas
by codesnips 4 tabs
javascript 
const { Worker, MessageChannel } = require('node:worker_threads');
const path = require('node:path');

class WorkerPool {
  constructor(size) {
    this.workers = [];

Fan Out CPU Work to Node.js worker_threads and Merge Results via MessageChannel

nodejs worker-threads concurrency
by codesnips 3 tabs
rust 
use crate::paginator::Paginator;

#[derive(Clone)]
pub struct Row {
    pub cells: Vec<String>,
}

Streaming Paginated PDF Report Sections From a Domain Model in Rust

rust pdf pagination
by codesnips 3 tabs
javascript 
const DEFAULTS = {
  baseDelay: 300,
  maxDelay: 8000,
  factor: 2,
  jitter: 0.5,
};

Retry Failed React Mutations with Exponential Backoff and a Status Component

react hooks retry
by codesnips 4 tabs
java 
public class PayloadLimitFilter extends OncePerRequestFilter {

    private final long maxBytes;
    private final Set<String> allowedTypes;

    public PayloadLimitFilter(long maxBytes, Set<String> allowedTypes) {

Enforce Request Payload Size and Content-Type with a Servlet Filter and Controller Guard

spring-boot servlet-filter validation
by codesnips 4 tabs
python 
import asyncio
import time
from dataclasses import dataclass
from typing import Any, Dict

In-Memory TTL Cache for FastAPI Endpoints With a Cache-Key Builder Dependency

fastapi caching ttl
by codesnips 3 tabs