herrphon

openssl rsa -in ~/.ssh/id_rsa -outform pem > id_rsa.pem
chmod 700 id_rsa.pem

herrphon

Install HomeBrew first

brew update
brew tap caskroom/cask
brew install brew-cask

If you get the error "already installed", follow the instructions to unlink it, then install again:

herrphon

on El Capitan, after installing the brew...

$ brew update
$ brew tap caskroom/cask
$ brew install Caskroom/cask/java

And Java 8 will be installed at /Library/Java/JavaVirtualMachines/jdk1.8.xxx.jdk/

Check version:

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node {
    // https://registry.hub.docker.com/_/maven/
    def maven32 = docker.image('maven:3.2-jdk-7-onbuild');
    
    stage 'Mirror'
    // First make sure the slave has this image.
    // (If you could set your registry below to mirror Docker Hub,
    // this would be unnecessary as maven32.inside would pull the image.)
    maven32.pull()
    // We are pushing to a private secure docker registry in this demo.

herrphon

-- show running queries (pre 9.2)
SELECT procpid, age(query_start, clock_timestamp()), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(query_start, clock_timestamp()), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

herrphon

<template>
  <!-- Will add/remove .small if the width is less / greater -->
  <div class="post__item" v-responsive="{ small: el => el.width <= 500 }">
    <img class="post__image" :src="post.image" />
    <div class="post__text">{{post.text}}</div>
  </div>
</template>

<script>
import { ResponsiveDirective } from "vue-responsive-components"

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require "kemal"

get "/stream" do |env|
  env.response.print "START"
  env.response.flush
  sleep 3
  env.response.print "MIDDLE"
  env.response.flush
  sleep 5
  env.response.print "END"

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class Foo
  attr_reader :bar
  def initialize
    @bar = 123
    ObjectSpace.define_finalizer( self, self.class.finalize(bar) )
  end

  def self.finalize(bar)
    proc { puts "DESTROY OBJECT #{bar}" }
  end

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# Retry a command up to a specific numer of times until it exits successfully,
# with exponential back off.
#
#  $ retry 5 echo Hello
#  Hello
#
#  $ retry 5 false
#  Retry 1/5 exited 1, retrying in 1 seconds...
#  Retry 2/5 exited 1, retrying in 2 seconds...
#  Retry 3/5 exited 1, retrying in 4 seconds...

herrphon

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000