ChristopherA

# batch convert
for i in *.mp4; do ffmpeg -i "$i" "${i%.mp4}.webm"; done

# convert from one format to another
ffmpeg -i input.mp3 output.wav

# convert from one video format to another ("-qscale" value are 0-10, 0 is the best)
ffmpeg -i input.mp4 -qscale 0 output.webm

# convert video to audio (sometimes this one is better than the custom one below)

webchi

FROM ruby:2.5.5-alpine3.9 as builder

WORKDIR /app

ARG RAILS_MASTER_KEY

ENV BUNDLE_SILENCE_ROOT_WARNING=1 \
    BUNDLE_IGNORE_MESSAGES=1 \
    BUNDLE_GITHUB_HTTPS=1 \
    BUNDLE_FROZEN=1 \

htr3n

Built-in

diskutil erasevolume HFS+ 'RAM Disk' `hdiutil attach -nobrowse -nomount ram://XXXXX`

where XXXXX is the size of the RAM disk in terms of memory blocks.

Notes:

susam

Recon and Attack Vectors from My Logs

This document contains excerpts from my web server logs collected over a period of 7 years that shows various kinds of recon and attack vectors.

There were a total of 37.2 million lines of logs out of which 1.1 million unique HTTP requests (Method + URI) were found.

$ sed 's/^.* - - \[.*\] "\(.*\) HTTP\/.*" .*/\1/' access.log > requests.txt

amirrajan

class Game
  attr_accessor :_

  def default_ship x, y, heading
    _.new(:ship) do |s|
      s.x       = x
      s.y       = y
      s.dy      = 0
      s.dx      = 0
      s.heading = heading

fnky

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

• Ctrl-Key: ^[
• Octal: \033
• Unicode: \u001b
• Hexadecimal: \x1B
• Decimal: 27

hsed

Commands

Remote => Server/GPU Computer Client => You/Dumb Computer

SSH and tunnel a port

This allows you to later run jupyterlab at 8080 on remote pc and its tunneled so u can view stuff in client.

ssh -p <PORT> <REMOTE_USER>@<REMOTE_IP> -L 8080:localhost:8080

sheerun

// Compile with:
// gcc -o click click.m -framework ApplicationServices -framework Foundation
//
// Usage:
// ./click -x pixels -y pixels
// At the given coordinates it will click and release.
//
// From http://hints.macworld.com/article.php?story=2008051406323031
#import <Foundation/Foundation.h>
#import <ApplicationServices/ApplicationServices.h>

ayende

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;

namespace WebApplication1
{
    public class Program
    {
        public static void Main(string[] args)

skeeto

CFLAGS = -std=c99 -Wall -Wextra -O3 -g3
lfsr: lfsr.c