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@ewancook
ewancook / bellman_ford.go
Last active March 9, 2024 08:14
Arbitrage with Bellman Ford
package bellmanford
import (
"math"
)
// Graph represents a graph consisting of edges and vertices
type Graph struct {
edges []*Edge
vertices []uint
@aparrish
aparrish / understanding-word-vectors.ipynb
Last active July 9, 2024 15:59
Understanding word vectors: A tutorial for "Reading and Writing Electronic Text," a class I teach at ITP. (Python 2.7) Code examples released under CC0 https://creativecommons.org/choose/zero/, other text released under CC BY 4.0 https://creativecommons.org/licenses/by/4.0/
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@iNarcissuss
iNarcissuss / dns_server.sh
Created May 22, 2016 06:20 — forked from brandon15811/dns_server.sh
Very basic DNS server written in bash
#!/bin/bash
#Based off of http://code.activestate.com/recipes/491264/
if [ "$1" == "startserver" ]; then
ncat -u -l 5355 -c $(readlink -f $0) -k
exit
fi
timeout 1s cat /dev/stdin > input
req=$(cat input | xxd -p)
#Functions from http://ubuntuforums.org/showthread.php?t=735140&p=4584216#post4584216
@mallendeo
mallendeo / ajaxOverride.js
Created October 9, 2015 03:48
Override XMLHttpRequest
(function(send) {
XMLHttpRequest.prototype.send = function () {
var callback = this.onreadystatechange
this.onreadystatechange = function() {
if (this.readyState == 4) {
var responseURL = this.responseURL
if (responseURL.match(/https?:\/\/www\.youtube\.com\/watch\?v=.*/g)) {
console.log(responseURL)
}
}
@hwdsl2
hwdsl2 / .MOVED.md
Last active May 19, 2024 06:28
IPsec VPN Server Auto Setup Script for Ubuntu and Debian
@dewdad
dewdad / new_gist_file_0
Created February 5, 2014 18:43
Overriding xmlhttprequest open to tamper with requests in JavaScript apps From http://stackoverflow.com/questions/7775767/javascript-overriding-xmlhttprequest-open
(function() {
var proxied = window.XMLHttpRequest.prototype.open;
window.XMLHttpRequest.prototype.open = function() {
console.log( arguments );
return proxied.apply(this, [].slice.call(arguments));
};
})();
/*
["POST", "/ajax/chat/buddy_list.php?__a=1", true]
@thiagooak
thiagooak / kill-rmq-connections.sh
Created December 13, 2013 12:11
kill ALL rabbitmq connections
rabbitmqctl list_connections pid port state user vhost recv_cnt send_cnt send_pend name | awk '{print "rabbitmqctl close_connection \"" $1 "\" \"manually closing idle connection\"" | "/bin/bash" }'
@kiyor
kiyor / gistify723013.go
Created December 6, 2013 02:28
golang multi ssh example with id_rsa file
/* -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
* File Name : ssh.go
* Purpose :
* Creation Date : 11-18-2013
* Last Modified : Thu Dec 5 23:12:09 2013
@guerrerocarlos
guerrerocarlos / block_ddos
Last active January 11, 2021 19:05
Blocking all ANY queries in DNS server to prevent DDOS DNS amplification attack
iptables --flush
iptables -A INPUT -p udp --dport 53 -m string --from 50 --algo bm --hex-string '|0000FF0001|' -m recent --set --name dnsanyquery
iptables -A INPUT -p udp --dport 53 -m string --from 50 --algo bm --hex-string '|0000FF0001|' -m recent --name dnsanyquery --rcheck --seconds 60 --hitcount 1 -j DROP
iptables -A INPUT -p udp --dport 53 -m u32 --u32 $(python generate-netfilter-u32-dns-rule.py --qname . --qtype ANY) -j DROP
#iptables -A INPUT -p udp --dport 53 -m u32 --u32 $(python generate-netfilter-u32-dns-rule.py --qname isc.org --qtype ANY) -j DROP
#iptables -A INPUT -p udp --dport 53 -m u32 --u32 $(python generate-netfilter-u32-dns-rule.py --qname isc.org. --qtype ANY) -j DROP
iptables -A INPUT -p udp --dport 53 -m string --from 50 --algo bm --hex-string '|0000FF0001|' -j DROP
#para bloquear ataque isc.org
iptables -A INPUT -p udp -m string --hex-string "|03697363036f726700|" --algo bm --to 65535 -j DROP
@syuu1228
syuu1228 / set_irq_affinity.sh
Created December 21, 2012 11:58
# setting up irq affinity according to /proc/interrupts
# 2008-11-25 Robert Olsson
# 2009-02-19 updated by Jesse Brandeburg
#
# > Dave Miller:
# (To get consistent naming in /proc/interrups)
# I would suggest that people use something like:
# char buf[IFNAMSIZ+6];
#
# sprintf(buf, "%s-%s-%d",