Skip to content

Instantly share code, notes, and snippets.

View vharsh's full-sized avatar
🔵
playing with Bluetooth

Harsh Vardhan vharsh

🔵
playing with Bluetooth
View GitHub Profile
@jboner
jboner / latency.txt
Last active May 17, 2024 01:05
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
@btoone
btoone / curl.md
Last active May 14, 2024 19:32
A curl tutorial using GitHub's API

Introduction

An introduction to curl using GitHub's API.

The Basics

Makes a basic GET request to the specifed URI

curl https://api.github.com/users/caspyin
@tetsuok
tetsuok / fibonacci_closure.go
Created April 2, 2012 08:48
An answer of the exercise: Fibonacci closure on a tour of Go
package main
import "fmt"
// Very naive answer.
// fibonacci is a function that returns
// a function that returns an int.
func fibonacci() func() int {
n := 0
a := 0
@spikebike
spikebike / client.go
Created March 29, 2012 01:13
TLS server and client
package main
import (
"crypto/tls"
"crypto/x509"
"fmt"
"io"
"log"
)