justmoon

'use strict';

module.exports = function CustomError(message, extra) {
  Error.captureStackTrace(this, this.constructor);
  this.name = this.constructor.name;
  this.message = message;
  this.extra = extra;
};

require('util').inherits(module.exports, Error);

giwa

$ brew update
$ brew install hive

RobertFischer

public class Retry {
  
  private static final Logger log = Logger.getLogger(Retry.class);
  
  public static interface CallToRetry<T> {
    <T> T doIt() throws Exception;
  }
  
  public static T withRetry(int maxTimes, long initialWait, int waitMultiplier, CallToRetry<T> call) {
    if(maxTimes <= 0) {

benlinton

Multiple MySQL Versions for Development

Options included below:

• Using Docker docker-compose
• Using Homebrew brew

Using Docker (recommended)

This gist was originally created for Homebrew before the rise of Docker, yet it may be best to avoid installing mysql via brew any longer. Instead consider adding a barebones docker-compose.yml for each project and run docker-compose up to start each project's mysql service.

application2000

These commands are based on a askubuntu answer http://askubuntu.com/a/581497
To install gcc-6 (gcc-6.1.1), I had to do more stuff as shown below.
USE THOSE COMMANDS AT YOUR OWN RISK. I SHALL NOT BE RESPONSIBLE FOR ANYTHING.
ABSOLUTELY NO WARRANTY.

If you are still reading let's carry on with the code.

sudo apt-get update && \
sudo apt-get install build-essential software-properties-common -y && \
sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && \

iRbouh

<?php
namespace App\Traits;


trait UseAutoIncrementID {

    /**
     * Increment the counter and get the next sequence
     * 
     * @param $collection

Shellbye

sudo wget http://d3kbcqa49mib13.cloudfront.net/spark-2.1.0-bin-hadoop2.7.tgz

sudo tar -zxvf spark-2.1.0-bin-hadoop2.7.tgz
cd spark-2.1.0-bin-hadoop2.7

sudo cp conf/log4j.properties.template conf/log4j.properties
sudo sed -i -e 's/INFO/WARN/g' conf/log4j.properties
sudo cp conf/spark-env.sh.template conf/spark-env.sh

sudo cp conf/slaves.template conf/slaves

GLMeece

Latency Comparison Numbers

Note: "Forked" from Latency Numbers Every Programmer Should Know

Event	Nanoseconds	Microseconds	Milliseconds	Comparison
L1 cache reference	0.5	-	-	-
Branch mispredict	5.0	-	-	-
L2 cache reference	7.0	-	-	14x L1 cache
Mutex lock/unlock	25.0	-	-	-

gandarez

class Tree
{
    public int x;
    public Tree l;
    public Tree r;
};

class Task3
{
    public int solution(Tree T)

martinwicke