StuartGordonReid

import math
import numpy
import numpy.random as nrand

"""
Note - for some of the metrics the absolute value is returns. This is because if the risk (loss) is higher we want to
discount the expected excess return from the portfolio by a higher amount. Therefore risk should be positive.
"""

smoser

#!/bin/bash

VERBOSITY=0
TEMP_D=""
UC_PREP="/usr/share/lxc/hooks/ubuntu-cloud-prep"

error() { echo "$@" 1>&2; }
fail() { [ $# -eq 0 ] || error "$@"; exit 1; }

Usage() {

Bouke

First, install the following libraries:

$ brew install unixodbc
$ brew install freetds --with-unixodbc

FreeTDS should already work now, without configuration:

$ tsql -S [IP or hostname] -U [username] -P [password]
locale is "en_US.UTF-8"

locale charset is "UTF-8"

soarez

How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.

gustavohenrique

# request.xml
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wst="http://sensedia.com/repository/wstoolkit">
   <soapenv:Header>
       <wsse:Security soapenv:mustUnderstand="1" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
           <wsse:UsernameToken wsu:Id="UsernameToken-1">
               <wsse:Username>system</wsse:Username>
               <wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText">manager</wsse:Password>
               <wsse:Nonce EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary">DWk64SMfJ6RxHAKgPRGtPA==</wsse:Nonce>
               <wsu:Created>2013-04-17T18:36:54.013Z</wsu:Created>
           </wsse:UsernameToken>

craSH

#!/bin/bash
#
# Masquerade/redirect incoming TCP connections on all ports (1:65535) to $dst_ip port $dst_port
# Call with -f to force update, even if IP cache exists and shows no changes.

# Make sure this isn't a CNAME! Otherwise the below dig command won't follow it and return an IP.
dst_host="neg9.org"
target_ns="google-public-dns-a.google.com"

dst_port=22

dmytro

#!/bin/bash
# ssh-multi
# D.Kovalov
# Based on http://linuxpixies.blogspot.jp/2011/06/tmux-copy-mode-and-how-to-control.html

# a script to ssh multiple servers over multiple tmux panes


starttmux() {
    if [ -z "$HOSTS" ]; then

nikcub

In August 2007 a hacker found a way to expose the PHP source code on facebook.com. He retrieved two files and then emailed them to me, and I wrote about the issue:

http://techcrunch.com/2007/08/11/facebook-source-code-leaked/

It became a big deal:

http://www.techmeme.com/070812/p1#a070812p1

The two files are index.php (the homepage) and search.php (the search page)

rgreenjr

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

indiejoseph

function Interceptor(nativeOpenWrapper, nativeSendWrapper) {
	XMLHttpRequest.prototype.open = function () {
		// Code here to intercept XHR
		return nativeOpenWrapper.apply(this, arguments);
	}
	XMLHttpRequest.prototype.send = function () {
		this.onloadend = function() {
			if(this.capture) {
				console.log(this.responseText);