codesnips

deduplication

javascript 
export class QueryCache {
  constructor() {
    this.entries = new Map();
  }

  getEntry(key) {

Building a Minimal useQuery Hook with a Shared Cache Provider in React

react hooks caching
by codesnips 4 tabs
typescript 
type Loader<T> = () => Promise<T>;

interface Entry<T> {
  value: T;
  expiresAt: number;
}

TTL Cache With In-Flight Request Deduplication for Async Calls

caching async deduplication
by codesnips 4 tabs
rust 
use std::collections::HashSet;
use std::hash::Hash;

pub struct DedupByKey<I, K, F> {
    inner: I,
    key_fn: F,

Order-Preserving Stream Deduplication by Key in Rust with a HashSet Guard

rust streams deduplication
by codesnips 3 tabs
typescript 
import { Queue } from "bullmq";
import { createHash } from "crypto";

export const connection = { host: "127.0.0.1", port: 6379 };

export interface ChargePayload {

BullMQ job idempotency via dedupe id

node redis background-jobs
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
python 
import asyncio
from typing import Awaitable, Callable, Dict, TypeVar

T = TypeVar("T")

Coalesce Duplicate In-Flight Requests with an Asyncio Single-Flight Cache

asyncio concurrency caching
by codesnips 3 tabs
rust 
mod chunker;mod parallel_hash;

use parallel_hash::{hash_buffer, root_hash};

const CHUNK_SIZE: usize = 64 * 1024;

Content-Defined Chunking With Parallel BLAKE3 Hashing Using Rayon

rust rayon parallelism
by codesnips 3 tabs