tonyg

#lang racket/base
;; Monads in Racket, including polymorphic bind, return and fail.
;; Haskell-like do-notation.

(provide define-monad-class
         (struct-out monad-class)
         monad?
         gen:monad
         monad->monad-class
         determine-monad

munificent

#include <time.h> //  Robert Nystrom
#include <stdio.h> // @munificentbob
#include <stdlib.h> //     for Ginny
#define  r return    //    2008-2019
#define  l(a, b, c, d) for (i y=a;y\
<b; y++) for (int x = c; x < d; x++)
typedef int i;const i H=40;const i W
=80;i m[40][80];i g(i x){r rand()%x;
}void cave(i s){i w=g(10)+5;i h=g(6)
+3;i t=g(W-w-2)+1;i u=g(H-h-2)+1;l(u

pauloricardomg

#
# Acts as a nginx HTTPS proxy server
# enabling CORS only to domains matched by regex 
# /https?://.*\.mckinsey\.com(:[0-9]+)?)/
#
# Based on: 
# * http://blog.themillhousegroup.com/2013/05/nginx-as-cors-enabled-https-proxy.html
# * http://enable-cors.org/server_nginx.html
#
server {

jozefg

This is my short-ish tutorial on how to implement closures in
a simple functional language: Foo.

First, some boilerplate.

> {-# LANGUAGE DeriveFunctor, TypeFamilies #-}
> import Control.Applicative
> import Control.Monad.Gen
> import Control.Monad.Writer
> import Data.Functor.Foldable

esrever10

# linux send h264 rtp stream:
gst-launch-1.0 -v ximagesrc ! video/x-raw,framerate=20/1 ! videoscale ! videoconvert ! x264enc tune=zerolatency bitrate=500 speed-preset=superfast ! rtph264pay ! udpsink host=127.0.0.1 port=5000

# Macos send h264 rtp stream:
gst-launch-1.0 -v avfvideosrc capture-screen=true ! video/x-raw,framerate=20/1 ! videoscale ! videoconvert ! x264enc tune=zerolatency bitrate=500 speed-preset=superfast ! rtph264pay ! udpsink host=127.0.0.1 port=5000

# receive h264 rtp stream:
gst-launch-1.0 -v udpsrc port=5000 caps = "application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, payload=(int)96" ! rtph264depay ! decodebin ! videoconvert ! autovideosink

thomasfr

[Unit]
Description=Keeps a tunnel to 'remote.example.com' open
After=network.target

[Service]
User=autossh
# -p [PORT]
# -l [user]
# -M 0 --> no monitoring
# -N Just open the connection and do nothing (not interactive)

strezh

#!/bin/bash

# play YUV444 FULL HD file 
gst-launch-1.0 -v filesrc location=size_1920x1080.yuv ! \
    videoparse width=1920 height=1080 framerate=25/1 format=GST_VIDEO_FORMAT_Y444 ! \
    videoconvert ! \
    autovideosink

# play YUV422 FULL HD file 
gst-launch-1.0 -v filesrc location=size_1920x1080.yuv ! \

yelouafi

// We model the call stack using a linked list of Generators
// Each Generator has a _return field pointing back to its parent

function stepGen(gen, arg) {
    const {done, value} = gen.next(arg)
    if(done) {        
        if(gen._return) {
            stepGen(gen._return, value)
        }

madjar

#!/usr/bin/env stack
-- stack --resolver nightly-2018-11-30 script
{-# LANGUAGE OverloadedStrings #-}

import Data.Aeson
import Data.Aeson.Encode.Pretty (encodePretty)
import Dhall
import Dhall.Core
import Dhall.Parser (Src)
import Dhall.TypeCheck (X)

dradtke

#!/bin/bash

# +o histexpand is to avoid issues with ! showing up in ticket descriptions.
# The rest are just good Bash script practice.
set -eu -o pipefail +o histexpand

if [[ $# -lt 2 ]]; then
        echo "usage: $0 <user> <repo>"
        exit 1
fi