codesnips
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
go 
package order

type CreateOrderRequest struct {
	Reference string        `json:"reference" binding:"required,min=3,max=40"`
	Currency  string        `json:"currency" binding:"required,currency"`
	Customer  Customer      `json:"customer" binding:"required"`

Binding and Validating Nested JSON in Gin With Custom Validators

go gin validation
by codesnips 4 tabs
typescript 
import { useEffect, useState } from 'react';

interface FetchState<T> {
  data: T | null;
  error: Error | null;
  loading: boolean;

Cancel Stale Autocomplete Requests with AbortController in a useFetch Hook

react hooks abortcontroller
by codesnips 3 tabs
php 
<?php

namespace App\Observers;

use App\Models\Product;
use App\Jobs\WarmRelatedProductsCache;

Warm a Related-Products Cache with a Queued Laravel Job on Inventory Change

laravel php caching
by codesnips 3 tabs
ruby 
class CreateAccountsAndLedger < ActiveRecord::Migration[7.1]
  def change
    create_table :accounts do |t|
      t.string :name, null: false
      t.string :currency, null: false, default: "USD"
      t.bigint :balance_cents, null: false, default: 0

Atomic Account Transfers in Rails With Row Locks and a Balance Service

rails postgres transactions
by codesnips 4 tabs
rust 
use crate::hashing::double_hash;

pub struct BloomFilter {
    bits: Vec<u64>,
    m: usize, // number of bits
    k: u32,   // number of hash probes

Bloom Filter for Deduplicating Seen URLs in a Web Crawler

bloom-filter probabilistic hashing
by codesnips 3 tabs
javascript 
const { Pool } = require('pg');
const Cursor = require('pg-cursor');

const pool = new Pool();

async function* streamUsers({ since, batchSize = 500 }) {

Stream a Large JSON Array Response in Node.js Without Buffering

nodejs streams transform-stream
by codesnips 3 tabs
rust 
pub enum Node {
    File { name: String, size: u64 },
    Dir { name: String, children: Vec<Node> },
}

impl Node {

Modeling a Filesystem Tree in Rust with Recursive Enums and Total Size

rust recursion enums
by codesnips 3 tabs
php 
<?php

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

Optimistic Locking With a Version Column in Laravel Eloquent

laravel eloquent optimistic-locking
by codesnips 4 tabs