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Chris Frohoff frohoff

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View gogrep.go
package main
import (
frohoff / longchaintest.js
Last active Aug 29, 2015
long stream chain test
View longchaintest.js
var crypto = require('crypto')
var hashType = process.argv[2] || 'sha1'
var numHashes = parseInt(process.argv[3] || 1)
// init chain with stdout
var piped = process.stdout
for (var i = 0; i < numHashes; i++) {
// prepend chain with new hash
View nullsafe.scala
object NullSafeConversions {
implicit def ns[A](a:A) = new NullSafe(a)
implicit def ro[A](o:Option[A]) = new RichOption(o)
def ?[A](a:A) = if (a == null) Some(a) else None
case class NullSafe[A](a:A) extends AnyVal {
def ?[B >: Null](f: A => B):B = if (a != null) f(a) else null
case class RichOption[A](o:Option[A]) extends AnyVal {
frohoff / terse-rc4.rb
Last active Aug 29, 2015
terse ruby rc4 (161 chars, 154 chars not counting proc/param overhead) for
View terse-rc4.rb
frohoff / Flow.scala
Last active Aug 29, 2015
monadish reactive flow combinators
View Flow.scala
package org.frohoff.flow
import scala.collection.mutable.Buffer
import Flow._
object Test extends App {
val f: Flow[Int,Int] = Flow[Int]
val f2: Flow[Int,String] =
val f3: Flow[Int,Option[Int]] =
//f3.flatten // doesn't compile yet
frohoff / gist:db15cb9244e5a6184ab3
Created May 7, 2015
functional composition flow
View gist:db15cb9244e5a6184ab3
object Test extends App {
lazy val flow: SplunkEvent => Seq[Email[Alert]] =
receiveEvent andTap rawTap andThen
convertToSecurityEvent andMaybeTap eventTap andMaybe
classifyIfTrained andMaybeTap classificationTap andMaybeSeq
aggregateByTimeWindow andForEach (_.sortBy(_.event.time)) andForEach
convertToAlert andForEachTap alertTap andForEachOpt
createEmail andForEachTap emailTap
View mdexec.rb
#!/usr/bin/env ruby
require 'open3'
def replace(md, strip=false)
rex = /```([a-zA-Z]+)\n(([^`\n]{3,}\n)*)```\s*```mdexec\n([^`\n]{3,}\n)*```/
replaced = md.gsub(rex) do |rep|
int, code = $1, $2
if !strip
View oracle_chunked_xml_exfil.sql
select c from (
select cast(dbms_lob.substr(t.c, 4000, (n.i) * 4000 + 1) as varchar(4000)) c, t.r i, n.i j
from ((
select rownum r, dbms_lob.getlength(c) l, c
from (
select dbms_xmlgen.getxml('select * from all_tables') c
from dual)
) t inner join (
select rownum - 1 as i
from dual
frohoff /
Last active Dec 15, 2015
print contents of rails cookie
View rails_cookie_rce.rb
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