tkareine

Connecting Visual VM to Tomcat 7

Adapted from Mark Shead's blog.

1. Login to remote host with SSH:

   local $ ssh remote`

tkareine

#!/usr/bin/env xcrun swift

import Dispatch

let appQueue = dispatch_queue_create("org.tkareine.NodeLike.appQueue", DISPATCH_QUEUE_SERIAL)
let appGroup = dispatch_group_create()

func delay(delayInMS: Int, block: () -> Void) {
    let delayInNS = Int64(delayInMS) * Int64(NSEC_PER_MSEC)
    let scheduleAt = dispatch_time(DISPATCH_TIME_NOW, delayInNS)

tkareine

# coding: utf-8

module PFork
  extend self

  # Call function +fun+ in a child process, giving access to the child process
  # id and capturing STDIN, STDOUT, and STDERR of the function call.
  #
  # Adapted from stdlib's Open3::popen3 and
  # {Open4::popen4}[https://github.com/ahoward/open4] by Ara T. Howard, but

tkareine

package org.tkareine.validation_example;

import java.sql.SQLException;
import java.time.LocalDate;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Optional;

/**
 * Design considerations:

tkareine

#!/usr/bin/env ruby
# coding: utf-8

require 'thread'

class CountDownLatch
  attr_reader :count

  def initialize(to)
    @count = to.to_i

tkareine

require 'benchmark'

def with_greet(name)
  yield "hi, #{name}"
end

def with_greet_jack
  with_greet("jack") { |greet| yield greet }
end

tkareine

$ ruby test_pty.rb ./ex19
[child] You enter the The great hall.
[child] 
[child] > 
--(interaction)--
[child] You can go:
[child] NORTH
[child] 
[child] > 
--(interaction)--

tkareine

Q = require 'q'

value = if this.require 'aa' else 'bb'  # missing `then` in `if` expr; should be compile error

incorrectChain = Q.nfcall(fun).then(
    (result) -> console.log 'Result', result
    , (error) -> console.error 'Error', error  # a small indentation error
  )

fun = (callback) -> callback(new Error('intentional error'))

tkareine

value = if this.require 'aa' else 'bb'  # missing `then` in `if` expr

tkareine

var subj0 = new Rx.Subject()
var obs0 = subj0.doAction(function(e) { console.log("obs0 doAction", e) })
var subs0_1 = obs0.subscribe(function(e) { console.log("subs0_1", e) })
subj0.onNext('a')

//> obs0 doAction a
//> subs0_1 a

var subs0_2 = obs0.subscribe(function(e) { console.log("subs0_2", e) })
subj0.onNext('b')