Roman Kravchik rkravchik

svcavallar / rabbitmq_reconnect.go

Created September 20, 2016 22:23

Golang example to reconnect to RabbitMQ on a connection closed event

	package main

	import (
	"flag"
	"github.com/streadway/amqp"
	"log"
	"time"
	)

	var amqpUri = flag.String("r", "amqp://guest:guest@127.0.0.1/", "RabbitMQ URI")

mhawksey / gist:9199459

Last active February 16, 2022 11:13

Google Apps Script snippet to send tracking data to Google Analytics using the Measurement Protocol

	function onOpen(){
	// example send for Sheets
	sendGAMP("UA-XXXX-1", SpreadsheetApp.getActiveSpreadsheet().getUrl());

	// example send for Documents
	//sendGAMP("UA-XXXX-1", DocumentApp.getActiveDocument().getUrl());

	// example send for Forms NOTE getUrl not implemented yet in New Sheets
	//sendGAMP("UA-XXXX-1", FormApp.getActiveForm().getUrl());
	}

jboner / latency.txt

Last active January 9, 2026 22:05

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