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@jboner
jboner / latency.txt
Last active November 18, 2024 08:23
Latency Numbers Every Programmer Should Know
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
@juderosen
juderosen / git-wars.md
Last active April 25, 2024 15:16
Git Wars: GitHub vs Bitbucket

Git Wars: GitHub vs Bitbucket

Introduction

Now, you might think the answer I'm going to give you is already obvious because I'm using GiHub right now, but it's not. Both GitHub and Bitbucket offer great Git services, but each has its own features and pricing plans. In the following... thing, I'm going to compare the two and then offer a final solution that should work for most people.

TL;DR: Both. Use GitHub for open source and public repos (you'll spend most of your time here) and Bitbucket for private repos. But, sign up for GitHub first, then import account into Bitbucket. Also, check comments for updates. P.S. I personally prefer GitHub.

Interface and Functionality

@calvinlfer
calvinlfer / day-1.scala
Created October 2, 2018 04:10
Functional Scala: Toronto edition
// Copyright(C) 2018 - John A. De Goes. All rights reserved.
package net.degoes.essentials
import java.time.{Instant, ZonedDateTime}
import scala.util.Try
object types {
type ??? = Nothing
@Hakky54
Hakky54 / cheat_sheet_http_client_ssl_configuration_for_java_kotlin_scala.md
Last active August 18, 2022 11:56
Cheat Sheet - Http Client SSL TLS Configuration for Java Kotlin and Scala with example http requests