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public class MainActivity extends Activity {

    private Firebase mRef;
    private HashMap<Firebase, ValueEventListener> mListenerMap;

    @Override
    protected void onStart() {
        super.onStart();

        mRef = new Firebase("https://<your-firebase-app>/myChatRooms/testUser");

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v1 = ARGV[0]
v2 = ARGV[1]
puts "Primeiro parametro : #{v1}"
puts "Segundo parametro  : #{v2}"
puts "fim do arquivo."

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Using ffmpeg to get video informations

To get information about a file (say video.mp4), run the following command. Remember you have to specify an ouput file, but in this case we only want to get some information about the input file.

$ ffmpeg -i movie.mp4 -hide_banner

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Encoding with frei0r.

To encoding your movie with frei0r filter distort0r using the ffmpeg follow command below.

$ ffmpeg -i movie01.mp4 -vf "frei0r=distort0r|0.1|0.01" -f mp4 -y new_movie.mp4

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How add sass to angular 2 cli

New project

For new projects we can set the options --style=sass or --style=scss according to the desired flavor SASS/SCSS

$ ng new project --style=sass

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basic setup to make project using angular 2 and firebase.

create basic project with support to sass.

$ ng new project_name --style sass --routing true

check if project is make rigth.

$ cd project_name

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import { Component, Input } from '@angular/core';
import { Router } from '@angular/router';
import { AngularFire, FirebaseListObservable } from 'angularfire2';

import { Observable } from 'rxjs';

declare var firebase: any;

interface Image {
    path: string;

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Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

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#include <sys/types.h>

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

#include <event.h>
#include <evhttp.h>

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const http2 = require('http2')  
const server = http2.createSecureServer(  
  { cert, key },
  onRequest
)
function push (stream, filePath) {  
  const { file, headers } = getFile(filePath)
  const pushHeaders = { [HTTP2_HEADER_PATH]: filePath }
  stream.pushStream(pushHeaders, (pushStream) => {
    pushStream.respondWithFD(file, headers)