Jarrod Roberson jarrodhroberson

Vertigrated, Inc.
Atlanta, Ga
http://blog.vertigrated.com

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jarrodhroberson / underscore.uuid.js

Created August 22, 2014 17:54 — forked from valerysntx/underscore.uuid.js

	var underscore = (function(underscore){


	// Build several namespaces, globally...
	var UUID = {};
	var Sha1 = function(str){return Sha1.hash(str, true);};
	var Utf8 = {};

	var extend = function() {
	var options, name, src, copy, copyIsArray, clone,

jarrodhroberson / ObjectifyLoaderContextListener.java

Last active July 29, 2017 15:21

A Servlet Context Listener to automatically register @entity decorated classes with ObjectifyFactory

	import com.google.appengine.api.ThreadManager;
	import com.googlecode.objectify.ObjectifyFactory;
	import com.googlecode.objectify.ObjectifyService;
	import com.googlecode.objectify.annotation.Entity;
	import org.reflections.Reflections;
	import org.reflections.util.ClasspathHelper;
	import org.reflections.util.ConfigurationBuilder;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

jarrodhroberson / find_in_jar.bat

Last active November 16, 2017 00:50 — forked from leogomes/find_in_jar.sh

bash and windows shell scripts to find classes in .jar files in a directory

	# Windows (cmd) Command line version
	forfiles /S /M *.jar /C "cmd /c jar -tvf @file \| findstr /C:"$1" && echo @path"

jarrodhroberson / Q21866253.java

Last active February 1, 2019 07:53

Example for a StackOverflow question about rate limiting a function call.

	package com.stackoverflow;

	import com.google.common.util.concurrent.RateLimiter;

	import javax.annotation.Nonnull;
	import java.util.HashMap;
	import java.util.Map;
	import java.util.concurrent.ExecutorService;
	import java.util.concurrent.Executors;
	import java.util.concurrent.atomic.AtomicInteger;

jarrodhroberson / PadStrings.java

Created February 17, 2014 20:12

Padding Strings in Java with String.format()

	public static String padRight(@Nonnull final String s, int n)
	{
	return String.format("%1$-" + n + "s", s);
	}

	public static String padLeft(@Nonnull final String s, int n)
	{
	return String.format("%1$" + n + "s", s);
	}

jarrodhroberson / main.groovy

Created February 14, 2014 03:46

Groovy and JSAP

	JSAP jsap = new JSAP(main.getResource("main.jsap"));
	JSAPResult config = jsap.parse(args)
	if (config.getBoolean("help") \|\| !config.success())
	{
	println "Usage: java -jar main.jar " + jsap.usage
	println ""
	println jsap.help
	if (!config.success())
	{
	for (e in config.getErrorMessageIterator())

jarrodhroberson / jsap.xml

Created February 14, 2014 03:45

JSAP Example Configuration File

	<jsap>
	<parameters>
	<switch>
	<id>help</id>
	<shortFlag>h</shortFlag>
	<longFlag>help</longFlag>
	<help>Display this help</help>
	</switch>
	<flaggedOption>
	<id>host</id>

jarrodhroberson / PS1.sh

Created February 14, 2014 03:43

My favorite PS1 prompt definition

PS1="\[\e[0;37m\][\[\e[m\]\[\e[0;32m\]\u\[\e[m\]\[\e[0;31m@\[\e[m\]\[\e[0;32m\]\h\[\e[m\]\[\e[0;37m\]]\[\e[m\] \[\e[0;37m\][\[\e[m\]\[\e[0;34m\]\w\[\e[m\]\[\e[0;37m\]]\[\e[m\]\n"

jarrodhroberson / file_selection.py

Created February 14, 2014 03:41

Object Oriented File Selection in Python

	class Action:
	"""
	Actions are things that can be executed.
	"""
	def execute(self):
	pass

	class PatternSet:
	"""
	Pattern set provides the interface and abstract functionality to provide the include and exclude

jarrodhroberson / linereceiver.erl

Created February 14, 2014 03:38

Python/Twisted vs Erlang/OTP

	-module(linereceiver).
	-export([start/1]).

	sleep(T) ->
	receive
	after T ->
	true
	end.

	start(Port) ->

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