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#include <iostream>
#include <exception>
#include <fstream>
#include <string>
using namespace std;

int main(int argc, char const *argv[]) {
  if (argc < 2) {
    cout << "Usage: "  << argv[0] << " filename.txt" << endl;
    return 0;

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%% f2d.m
function f2d(A)
  x=0:0.05:3*pi;
  [X, Y]=meshgrid(x);
  F=zeros(size(X));

  min_val = inf;
  min_coord = [0 0];
  max_val = -inf;
  max_coord = [0 0];

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%% copy from ocw.mit.edu
%% random matrix theory

%n=20; s=30000; d=.05; %matrix size, samples, sample dist
n=10; s=1000; d=.05; % s=30000 is too slow
e=[]; %gather up eigenvalues
im=1; %imaginary(1) or real(0)

for i=1:s,
  a=randn(n)+im*sqrt(-1)*randn(n);a=(a+a')/(2*sqrt(2*n*(im+1)));

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<ServerManagerConfiguration>
  <ProxyGroup name="filters">
    <!-- ================================================================== -->
    <SourceProxy name="DistancePolyDataFilter" class="vtkDistancePolyDataFilter" label="DistancePolyDataFilter">
      <Documentation
         long_help="Computes the signed distance from one vtkPolyData to another."
         short_help="vtkDistancePolyDataFilter.">
      </Documentation>

      <InputProperty

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import argparse

# config parser
parser = argparse.ArgumentParser()
parser.add_argument("mesh")
parser.add_argument("-f", "--framefield", default="")
parser.add_argument("-n", "--quadnum", type=int, default=500)

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import ffmpeg

(
    ffmpeg
    .input('D:\\P\\ffmpeg-20190702-231d0c8-win64-static\\bin\\xiaoice_360p.mp4', re=None)
    .audio
    .filter('aderivative')
    .output('rtmp://localhost/live/test', f='flv')
    .run()
)

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import threading
import time


def test(x):
    def task():
        while 1:
            print(x)
            time.sleep(x)
    y = threading.Thread(target=task)

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import numpy as np
import cv2

cap = cv2.VideoCapture('rtmp://localhost/live/stream')

while(True):
    # Capture frame-by-frame
    ret, frame = cap.read()

    # Our operations on the frame come here

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#include <stdio.h>
#include <pthread.h>
void *busy(void *ptr) {
        puts("hello");
        return NULL;
}
int main() {
        pthread_t id;
        pthread_create(&id, NULL, busy, "hi");
        while (1) {}

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using System;
using System.Net;
using System.Text;
using System.Threading;

namespace SimpleHttp
{
    // reference: https://www.codehosting.net/blog/BlogEngine/post/Simple-C-Web-Server
    class SimpleHttpServer
    {