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@dln
dln / jmx.scala
Created May 3, 2011 09:45
Reading some JMX MBeans from a Scala script
#!/bin/sh
exec scala $0 "$@"
!#
import scala.collection.JavaConversions._
import java.lang.management.{ManagementFactory, MemoryMXBean}
import java.net.URI
import javax.management.JMX
import javax.management.remote.{JMXConnectorFactory, JMXServiceURL}
@defunkt
defunkt / gitio
Created September 11, 2011 08:11
Turn a github.com URL into a git.io URL.
#!/usr/bin/env ruby
# Usage: gitio URL [CODE]
#
# Turns a github.com URL
# into a git.io URL
#
# Copies the git.io URL to your clipboard.
url = ARGV[0]
code = ARGV[1]
@holman
holman / gemspec-usage.md
Created February 12, 2012 07:02
test/spec/mini

Just install this in your apps like so:

gem 'test-spec-mini', :git => 'git://gist.github.com/1806986.git', :require => 'mini'

@mardambey
mardambey / AkkaKafkaMailboxTest.scala
Last active August 3, 2019 05:03
Akka 2.0 actors with Kafka 0.7.x backed durable mailboxes.
import akka.actor.Actor
import akka.actor.ActorSystem
import akka.agent.Agent
import com.typesafe.config.ConfigFactory
import akka.event.Logging
import akka.actor.Props
import kafka.utils.Utils
import java.nio.ByteBuffer
@hellerbarde
hellerbarde / latency.markdown
Created May 31, 2012 13:16 — forked from jboner/latency.txt
Latency numbers every programmer should know

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

@clhodapp
clhodapp / KeyValueParser.scala
Created June 5, 2012 14:59 — forked from chbaranowski/KeyValueParser.scala
Scala RegEx Parser Demo
import scala.util.parsing.combinator.RegexParsers
/**
* Simple parser for a key value string like:
* key01 = Value01 key02=value02 key03 =value03 key04= value04
*
* The parser does not support whitespace in key or values.
*/
object KeyValueParser extends RegexParsers {
@phred
phred / pedantically_commented_playbook.yml
Last active November 3, 2023 01:55
Very complete Ansible playbook, showing off all the options
---
####
#### THIS IS OLD AND OUTDATED
#### LIKE, ANSIBLE 1.0 OLD.
####
#### PROBABLY HIT UP https://docs.ansible.com MY DUDES
####
#### IF IT BREAKS I'M JUST SOME GUY WITH
#### A DOG, OK, SORRY
####
@dnishimura
dnishimura / Makefile.golang
Created June 20, 2012 17:51 — forked from yanatan16/Makefile.golang
Makefile for Golang projects
# Makefile for a go project
#
# Author: Jon Eisen
# site: joneisen.me
#
# Targets:
# all: Builds the code
# build: Builds the code
# fmt: Formats the source files
# clean: cleans the code
@brandonb927
brandonb927 / osx-for-hackers.sh
Last active May 14, 2024 18:00
OSX for Hackers: Yosemite/El Capitan Edition. This script tries not to be *too* opinionated and any major changes to your system require a prompt. You've been warned.
#!/bin/sh
###
# SOME COMMANDS WILL NOT WORK ON macOS (Sierra or newer)
# For Sierra or newer, see https://github.com/mathiasbynens/dotfiles/blob/master/.macos
###
# Alot of these configs have been taken from the various places
# on the web, most from here
# https://github.com/mathiasbynens/dotfiles/blob/5b3c8418ed42d93af2e647dc9d122f25cc034871/.osx
@nicerobot
nicerobot / co.reasoning.scala
Last active August 7, 2022 16:35
Scala generics, "simplified", covariance and contravariance.
// This is an example of how to reason about covariance vs contravariance.
// Between the two co*.reasoning.scala examples, the following compiles but meaning is slightly different due to the class hierarchy.
type SHORT = A[SMALL]
type INT = A[MEDIUM]
type LONG = A[LARGE]
val s:SHORT = new SHORT()
val i:INT = s