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

olange

To transform the currently opened Graphviz source file (in DOT Language) into a PNG:

{
    "cmd": [ "dot", "-Tpng", "-o", "$file_base_name.png", "$file"],
    "selector": "source.dot"
}

Usage

VincentMasselis

/*
Inspired by http://cokere.com/RFC3339Date.txt
All rights deserve to Chad Okere
*/

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

sandor-nemeth

package io.github.sandornemeth.spring;

import java.util.Arrays;
import java.util.stream.StreamSupport;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.context.event.EventListener;
import org.springframework.core.env.AbstractEnvironment;