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Joshua Conner joshuaconner

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Thread Pools

Thread pools on the JVM should usually be divided into the following three categories:

  1. CPU-bound
  2. Blocking IO
  3. Non-blocking IO polling

Each of these categories has a different optimal configuration and usage pattern.

@sandeepraju
sandeepraju / ttfb.sh
Created July 20, 2016 21:17
curl command to check the time to first byte
#!/bin/bash
# file: ttfb.sh
# curl command to check the time to first byte
# ** usage **
# 1. ./ttfb.sh "https://google.com"
# 2. seq 10 | xargs -Iz ./ttfb.sh "https://google.com"
curl -o /dev/null \
-H 'Cache-Control: no-cache' \
-s \
#!/bin/sh
#/ Usage: ports [<options>]
#/ Show processes listening on ports.
#/ Any <options> are passed to lsof
set -e
test "$1" = "--help" && {
grep ^#/ <"$0"| cut -c4-
exit 2
}
@kosamari
kosamari / _.R.js
Last active December 7, 2018 11:12
Underscore mixin to enable core R functions
_.mixin({
sum : function(data){
return _.reduce(data, function(memo, num){ return memo + num; }, 0);
},
mean : function(data){
return this.sum(data)/data.length
},
median : function(data){
return this.percentile(data,50);
},
if [ $EUID != 0 ]; then
echo "It's a weird tree."
else
echo ' _ __'
echo ' / `\ (~._ ./ )'
echo ' \__/ __`-_\__/ ./'
echo ' _ \ \/ \ \ |_ __'
echo ' ( ) \__/ -^ \ / \'
echo ' \_/ " \ | o o |.. / __'
echo " \\. --' ==== / || / \\ "
require 'rubygems'
require 'mechanize'
FIRST_NAME = 'FIRST_NAME'
LAST_NAME = 'LAST_NAME'
PHONE = 'PHONE'
EMAIL = 'EMAIL@provider.com'
PARTY_SIZE = 2
SCHEDULE_RANGE = { :start_time => '19:00', :end_time => '20:30' }
package util
object Slug {
def apply(input:String) = slugify(input)
def slugify(input: String): String = {
import java.text.Normalizer
Normalizer.normalize(input, Normalizer.Form.NFD)
.replaceAll("[^\\w\\s-]", "") // Remove all non-word, non-space or non-dash characters
.replace('-', ' ') // Replace dashes with spaces
@adamawolf
adamawolf / Apple_mobile_device_types.txt
Last active June 21, 2024 03:23
List of Apple's mobile device codes types a.k.a. machine ids (e.g. `iPhone1,1`, `Watch1,1`, etc.) and their matching product names
i386 : iPhone Simulator
x86_64 : iPhone Simulator
arm64 : iPhone Simulator
iPhone1,1 : iPhone
iPhone1,2 : iPhone 3G
iPhone2,1 : iPhone 3GS
iPhone3,1 : iPhone 4
iPhone3,2 : iPhone 4 GSM Rev A
iPhone3,3 : iPhone 4 CDMA
iPhone4,1 : iPhone 4S
@barockok
barockok / Premailer.php
Created January 10, 2012 20:39 — forked from Synchro/Premailer.php
PHP interface class for the Premailer API
<?php
/**
* Premailer API PHP class
* Premailer is a library/service for making HTML more palatable for various inept email clients, in particular GMail
* Primary function is to convert style tags into equivalent inline styles so styling can survive <head> tag removal
* Premailer is owned by Dialect Communications group
* @link http://premailer.dialect.ca/api
* @author Marcus Bointon <marcus@synchromedia.co.uk>
*/