Skip to content

Instantly share code, notes, and snippets.

View llazzaro's full-sized avatar
👨‍🚒
Fighting fire with fire 🔥

Leonardo Lazzaro llazzaro

👨‍🚒
Fighting fire with fire 🔥
View GitHub Profile
@jboner
jboner / latency.txt
Last active July 26, 2024 04:31
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

@takeshixx
takeshixx / hb-test.py
Last active July 4, 2024 03:29
OpenSSL heartbeat PoC with STARTTLS support.
#!/usr/bin/env python2
"""
Author: takeshix <takeshix@adversec.com>
PoC code for CVE-2014-0160. Original PoC by Jared Stafford (jspenguin@jspenguin.org).
Supportes all versions of TLS and has STARTTLS support for SMTP,POP3,IMAP,FTP and XMPP.
"""
import sys,struct,socket
from argparse import ArgumentParser
@bishboria
bishboria / springer-free-maths-books.md
Last active June 8, 2024 06:39
Springer made a bunch of books available for free, these were the direct links
@max-mapper
max-mapper / bibtex.png
Last active March 10, 2024 21:53
How to make a scientific looking PDF from markdown (with bibliography)
bibtex.png
@bMinaise
bMinaise / bs3-login-form.html
Created November 6, 2013 02:20
Bootstrap 3 - Login Form Example From: http://bootsnipp.com
<div class="container">
<div class="row">
<div class="col-sm-6 col-md-4 col-md-offset-4">
<h1 class="text-center login-title">Sign in to continue to Bootsnipp</h1>
<div class="account-wall">
<img class="profile-img" src="https://lh5.googleusercontent.com/-b0-k99FZlyE/AAAAAAAAAAI/AAAAAAAAAAA/eu7opA4byxI/photo.jpg?sz=120"
alt="">
<form class="form-signin">
<input type="text" class="form-control" placeholder="Email" required autofocus>
<input type="password" class="form-control" placeholder="Password" required>
@maraujop
maraujop / forms.py
Created February 15, 2012 19:04
django-crispy-forms bootstrap form example
# -*- coding: utf-8 -*-
from django import forms
from crispy_forms.helper import FormHelper
from crispy_forms.layout import Layout, Div, Submit, HTML, Button, Row, Field
from crispy_forms.bootstrap import AppendedText, PrependedText, FormActions
class MessageForm(forms.Form):
text_input = forms.CharField()
@marcan
marcan / bloom.py
Last active February 29, 2024 19:55
Simple Bloom filter implementation in Python 3 (for use with the HIBP password list)
#!/usr/bin/python3
#
# Simple Bloom filter implementation in Python 3
# Copyright 2017 Hector Martin "marcan" <marcan@marcan.st>
# Licensed under the terms of the MIT license
#
# Written to be used with the Have I been pwned? password list:
# https://haveibeenpwned.com/passwords
#
# Download the pre-computed filter here (968MB, k=11, false positive p=0.0005):
@jpawlowski
jpawlowski / msys_hetzner-etc_network_interfaces
Created August 12, 2012 12:06
Debian network configuration for Proxmox VE server running on a Hetzner host
# /etc/network/interfaces
#
auto lo
iface lo inet loopback
# device: eth0
iface eth0 inet manual
# IPv4 bridge
# (connect ONLY your firewall/router KVM instance here, this is the WAN device!)
@superjose
superjose / .gitlab-ci.yml
Last active February 19, 2024 10:22
This is an example of a .gitlab-ci.yml that is required for Continuous Integration on GitLab projects.
# Reference: https://www.exclamationlabs.com/blog/continuous-deployment-to-npm-using-gitlab-ci/
# GitLab uses docker in the background, so we need to specify the
# image versions. This is useful because we're freely to use
# multiple node versions to work with it. They come from the docker
# repo.
# Uses NodeJS V 9.4.0
image: node:9.4.0
# And to cache them as well.