codesnips
typescript 
import { Module } from '@nestjs/common';
import { BullModule } from '@nestjs/bull';
import { ScheduleModule } from '@nestjs/schedule';
import { DigestProducer } from './digest.producer';
import { DigestProcessor } from './digest.processor';

Scheduling and Processing Email Digests with a Bull Queue in NestJS

nestjs bull redis
by codesnips 3 tabs
go 
package store

import (
	"context"
	"database/sql"
)

Propagating a Context Deadline for Per-Request Timeouts in Go HTTP Handlers

go context http
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javascript 
const express = require('express');
const { enqueueEmail } = require('./emailQueue');

const router = express.Router();

router.post('/users/:id/welcome-email', async (req, res, next) => {

Reliable Background Email Jobs With BullMQ, Redis, and a Worker Process

bullmq redis background-jobs
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typescript 
import { AsyncLocalStorage } from 'node:async_hooks';

interface Store {
  requestId: string;
}

Propagate a Request ID Through NestJS Logs with AsyncLocalStorage

nestjs logging middleware
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java 
@RestController
@RequestMapping("/api/transactions")
public class TransactionExportController {

    private final CsvExportService exportService;

Stream a Large CSV Export to the HTTP Response with StreamingResponseBody in Spring Boot

spring-boot streaming csv
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javascript 
const { z } = require('zod');

const signupSchema = z
  .object({
    email: z
      .string()

Reusable Zod Schema Validation Middleware for Express Signup Routes

express zod validation
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php 
<?php

use App\Http\Controllers\DocumentsController;
use Illuminate\Support\Facades\Route;

Route::middleware('auth')->group(function () {

Soft Deletes with a Trash View and Restore Route in Laravel

laravel eloquent soft-deletes
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python 
import hashlib
import hmac
import time


class SignatureError(Exception):

Verify Stripe-Style Webhook HMAC Signatures Before Processing in Flask

flask webhooks hmac
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python 
CACHES = {
    "default": {
        "BACKEND": "django_redis.cache.RedisCache",
        "LOCATION": "redis://127.0.0.1:6379/1",
        "OPTIONS": {
            "CLIENT_CLASS": "django_redis.client.DefaultClient",

Custom DRF Throttle Class for a Public API With Sliding-Window Rate Limits

django drf rate-limiting
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typescript 
export interface Todo {
  id: string;
  title: string;
  done: boolean;
  pending: boolean;
}

Optimistic To-Do Toggle in React with Rollback via useReducer

react optimistic-ui hooks
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php 
<?php

namespace App\Console\Commands;

use App\Mail\DailySalesReport;
use App\Models\Order;

Nightly Sales Summary Report as a Scheduled Laravel Command with Mailable

laravel scheduling cron
by codesnips 4 tabs
typescript 
import { z } from "zod";

const booleanFromString = z
  .string()
  .transform((v) => v.trim().toLowerCase())
  .pipe(z.enum(["true", "false", "1", "0"]))

Type-Safe Environment Variable Parsing and Validation With Zod

config zod environment
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