DemonGiggle

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Base64;
import java.util.Base64.Decoder;

DemonGiggle

#include <array>
#include <vector>
#include <iostream>

template<typename T>
void print(const T &input, bool with_newline = true) {
  for (auto it = input.begin(); it != input.end(); ++it) {
    if (std::next(it) == input.end()) {
      std::cout << *it;
    }

DemonGiggle

#include <array>
#include <vector>
#include <iostream>

template<typename T>
void print(const T &input, bool with_newline = true) {
  for (auto it = input.begin(); it != input.end(); ++it) {
    if (std::next(it) == input.end()) {
      std::cout << *it;
    }

DemonGiggle

#include <array>
#include <vector>
#include <iostream>

template<typename T>
void print(const T &input, bool with_newline = true) {
  for (auto it = input.begin(); it != input.end(); ++it) {
    if (std::next(it) == input.end()) {
      std::cout << *it;
    }

DemonGiggle

1. Use gcloud logging read to pull logs
2. Convert it to csv style via json2csv.rb

ruby json2csv.rb

3. Use goaccess to generate html output

DemonGiggle

require "sidekiq/worker"

##
# 因為 Sidekiq::Worker 預設執行 perform，所以此 module 可以讓我們指定 sidekiq 要
# 執行的函示
#
# class Foo
#   include SimpleWorker
#
#   simple_worker_performer :bar

DemonGiggle

Client-side SSL

For excessively paranoid client authentication.

Using self-signed certificate.

Create a Certificate Authority root (which represents this server)

Organization & Common Name: Some human identifier for this server CA.

openssl genrsa -des3 -out ca.key 4096
openssl req -new -x509 -days 365 -key ca.key -out ca.crt

DemonGiggle

    private void encodeDecodeVideo() {
        int width = 328, height = 248;
        int bitRate = 1000000;
        int frameRate = 15;
        String mimeType = "video/avc";
        int threshold = 50;
        int maxerror = 50;

        MediaCodec encoder, decoder = null;
        ByteBuffer[] encoderInputBuffers;