ikarius

 def generateMD5(String s) {
    MessageDigest digest = MessageDigest.getInstance("MD5")
    digest.update(s.bytes);
    new BigInteger(1, digest.digest()).toString(16).padLeft(32, '0')
 } 

mcquinne

def generateMD5( File file ) {
  def digest = java.security.MessageDigest.getInstance("MD5")
  file.eachByte( 4096 ) { buffer, length ->
    digest.update( buffer, 0, length )
  }
  new BigInteger(1, digest.digest()).toString(16).padLeft(32, '0')
}

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

border

package main

import (
	"container/list"
	"flag"
	"fmt"
	"io"
	"io/ioutil"
	"log"
	"net/http"

imminent

/**
 * A collection of authentication and account connection utilities. With strong inspiration from the Google IO session
 * app.
 * @author Dandré Allison
 */
public class AccountUtils {  

    /**
     * Interface for interacting with the result of {@link AccountUtils#getUserProfile}.
     */

emil2k

/*
 * Copyright (c) 2017 Emil Davtyan
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:

jmruc

To generate a pom.xml file just run gradle writeNewPom

If you want to generate it as pom.xml in the root of the project, replace writeTo("$buildDir/newpom.xml") with writeTo("pom.xml")

simon04

Gradle, Java plugin, Jar MANIFEST, Class-Path is empty

I struggled with with the jar MANIFEST file built with Gradle containing an empty Class-Path. I traced down the problem to the order of the dependencies and jar blocks in the build.gradle file:

Wrong (jar before dependencies):

jar {
    manifest.attributes(

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

jonikarppinen

# Add project specific ProGuard rules here.
# By default, the flags in this file are appended to flags specified
# in ${sdk.dir}/tools/proguard/proguard-android.txt
# You can edit the include path and order by changing the ProGuard
# include property in project.properties.
#
# For more details, see
#   http://developer.android.com/guide/developing/tools/proguard.html