ayosec

#!/usr/bin/env ruby
#
# Use the list from http://a3f.at/lists/linkers to build a single HTML file
# with all posts about linkers in https://www.airs.com/blog/.

require "net/http"
require "nokogiri"

# Index based on http://a3f.at/lists/linkers
INDEX = [

ayosec

#include <poll.h>
#include <stdio.h>
#include <stdlib.h>
#include <termios.h>
#include <unistd.h>

struct termios initial_term_params;

// Check if both stdin and stdout are TTYs.
void check_stdio() {

ayosec

#!/usr/bin/ruby

256.times do |color|
  if color < 7 || (color > 15 && (color - 16) % 36 < 18)
    fg = 231
  else
    fg = 0
  end

  print "\e[38;5;#{fg};48;5;#{color}m #{color.to_s.rjust(3)} \e[m"

ayosec

" When the cursor is hold on a word, that word is highlighted.
" When the cursor is moving, the highlight is hidden

set updatetime=300
au! CursorMoved * set nohlsearch
au! CursorHold * set hlsearch | let @/='\<'.expand("<cword>").'\>'
set hlsearch

ayosec

import Foundation

let data = "aaa 11-22 bbb 33-44 ccc"
let regex = try! NSRegularExpression(pattern: #"\d+-\d+"#)

let range = NSRange(data.startIndex..., in: data)
regex.enumerateMatches(in: data, options: [], range: range) { (match, _, _) in
  print(data.substring(with: match!.range))
}

ayosec

use std::arch::x86_64 as S;

fn main() {
    let data: &[u8; 16] = b"1e0b98cfa67ebe20";
    let pattern: &[u8; 16] = b"b98.............";

    let mask;

    unsafe {
        let v0 = S::_mm_loadu_si128(data.as_ptr().cast());

ayosec

convert input.png -colorspace hsl -channel lightness -negate output.png

ayosec

to upper

$ gcc -O3 -Wall -Wextra upper.c -o upper-c

$ rustc -O upper.rs -o upper-rs

$ find /usr/bin/ -type f -exec strings {} + > /tmp/ascii

$ tr [[:lower:]] [[:upper:]] < /tmp/ascii | md5sum

ayosec

# Simple web server
# Use N_ envvar to identify the process

run lambda {|env|
  [ 200, {}, "Ok @ #{ENV["N_"]}"]
}

ayosec

#!/bin/bash

ffmpeg -ss 4:00:00 -i INPUT.webm  -filter:a volume=0.5 half-volume.webm

ffmpeg -i INPUT.webm -t 4:00:00 -c copy start.webm

cat > files <<EOF
file 'start.webm'
file 'half-volume.webm'
EOF