jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

DanDiplo

// JS array equivalents to C# LINQ methods - by Dan B.

// First: This version using older JavaScript notation for universal browser support (scroll down for ES6 version):

// Here's a simple array of "person" objects
var people = [ 
	{ name: "John", age: 20 }, 
	{ name: "Mary", age: 35 }, 
	{ name: "Arthur", age: 78 }, 
	{ name: "Mike", age: 27 }, 

dyaa

Promise.all([
  import('firebase/app'),
  import('firebase/database'),
  import('firebase/auth'),
])
  .then(x => x[0].default)
  .then(firebase => {
    const config = {
      apiKey: '',
      authDomain: '',

Thanaen

import type { StateCreator, StoreMutatorIdentifier } from 'zustand';
import { configureScope } from '@sentry/browser';

type PopArgument<T extends (...a: never[]) => unknown> = T extends (
  ...a: [...infer A, infer _]
) => infer R
  ? (...a: A) => R
  : never;

interface SentryMiddlewareConfig<T> {