codesnips
java 
public class ProductAggregator implements AutoCloseable {

    private final RemoteServices services;
    private final ExecutorService pool = Executors.newFixedThreadPool(8);

    public ProductAggregator(RemoteServices services) {

Coordinate Parallel Remote Lookups With CompletableFuture in Java

java completablefuture concurrency
by codesnips 3 tabs
php 
<?php

namespace App\Policies;

use App\Models\Article;
use App\Models\User;

Authorizing Article Edits with a Laravel Policy in Controller and Blade

laravel authorization policies
by codesnips 4 tabs
typescript 
import { useCallback, useEffect, useReducer } from "react";

type State = { secondsLeft: number; isRunning: boolean };
type Action =
  | { type: "start"; seconds: number }
  | { type: "tick" }

Resend-Code Button With a Countdown Timer Using useEffect Cleanup

react hooks useeffect
by codesnips 3 tabs
ruby 
module Retryable
  module_function

  def with_retries(tries: 3, base: 0.3, cap: 5.0, on: [StandardError])
    attempt = 0
    begin

Retry a Flaky HTTP Call with Exponential Backoff Using a Rails Service Object

rails http retries
by codesnips 3 tabs
java 
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;

import java.time.Instant;

Nightly Cleanup of Expired Refresh Tokens with Spring @Scheduled and a Bulk Delete Query

spring-boot scheduling cron
by codesnips 4 tabs
php 
<?php

namespace App\Events;

use App\Models\Order;
use Illuminate\Broadcasting\PrivateChannel;

Broadcasting Order Status Updates to a Private Channel with Laravel Echo

laravel broadcasting websockets
by codesnips 4 tabs
ruby 
class ProjectPresenter
  def initialize(project, include_tasks: true)
    @project = project
    @include_tasks = include_tasks
  end

Building Nested JSON Presenters in Rails Without ActiveModel::Serializer

rails presenter json
by codesnips 3 tabs
java 
package com.example.storage;

import jakarta.validation.Valid;
import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;

Bind and Validate Grouped App Settings with @ConfigurationProperties in Spring Boot

spring-boot configuration validation
by codesnips 3 tabs
java 
package com.shop.api.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

Version a Spring Boot REST API via Content Negotiation and Custom Media Types

spring-boot rest api-versioning
by codesnips 4 tabs
ruby 
class OrderPresenter < SimpleDelegator
  attr_reader :current_user

  def initialize(order, current_user:)
    super(order)
    @current_user = current_user

Presenter + fast_jsonapi Serializer for Clean JSON:API Responses in Rails

rails json-api serialization
by codesnips 3 tabs
java 
package com.example.feed;

import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Slice;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;

Cursor-Paginated Feed With Keyset Query and Spring Data Slice

spring-boot spring-data-jpa pagination
by codesnips 4 tabs
ruby 
class OrderCreationService
  Result = Struct.new(:success?, :order, :error, keyword_init: true)

  def initialize(customer:, line_params:)
    @customer = customer
    @line_params = line_params

Transactional Order Creation With Nested Savepoints in Rails

rails activerecord postgres
by codesnips 3 tabs