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sebm /
Last active Nov 22, 2018
How to rip VHS to mp4

Acknowledgements to this article for the ffmpeg commands.

  1. Install Ubuntu on a bootable partition - not a VM - a live CD / USB is ok.
  2. sudo apt install ffmpeg vlc v4l-utils. Don't be fooled, snaptools will not work.
  3. ffmpeg -f v4l2 -thread_queue_size 512 -i /dev/video1 -f alsa -thread_queue_size 512 -i hw:2,0 -t 00:00:30 -c:v h264 -c:a aac -pix_fmt yuv420p test.mp4
View errorhandler.html
<html lang="en"><head>
<body translate="no">
<button onclick="hey()">Hey</button>
<button onclick="windoh()">Windoh</button>
sebm / 001.cpp
Last active Jan 17, 2017
Solutions to Project Euler 001 in multiple languages, with performance stats
View 001.cpp
#include <iostream>
using namespace std;
int main() {
int running_sum = 0;
for (int i = 2; i < 1000; i++) {
if (i % 3 == 0 || i % 5 == 0) {
running_sum += i;

Keybase proof

I hereby claim:

  • I am sebm on github.
  • I am seb_m ( on keybase.
  • I have a public key whose fingerprint is C480 445D 7E8C C1CE 58F4 214C B6B4 3DD0 8888 1430

To claim this, I am signing this object:

sebm /
Last active Jan 12, 2017
ongoing list of complaints about web browsers

safari (desktop)

  • keypress events don't have "key" set

safari (ios)

  • doesn't support audiorecorder


  • some elements can't be flex containers, like <fieldset> and <button>
  • (chromium / canary) devtools occasionally doesn't show where CSS rules are set, which is 80% of the point of using devtools
  • (chromium / canary) crashes a lot
sebm / README
Last active Nov 20, 2016
I can't figure out nedb!
- clone this gist
- open index.html in browser
- observe an exception is thrown
View tidbits.bash
git show --name-only | grep css | xargs postcss --use postcss-sorting -r --postcss-sorting.sort-order=alphabetical
View tidbits.js
// iterate over a NamedNodeMap, attr => `${attr.nodeName} = ${attr.nodeValue}` )
View Sequence.scala
object Sequence {
def main(args: Array[String]): Unit = {
val REFRESH = 100
val ROCKET = "\uD83D\uDE80"
val EARTH = "\uD83C\uDF0E"
val BOOM = "\uD83D\uDD25"
val MAX_TICKS = 20
while (true) {
var ticks = 0
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