kostapc

class CustomScope : CoroutineScope {

  private var parentJob = Job()

  override val coroutineContext: CoroutineContext
    get() = Dispatchers.Main + parentJob

  fun onStart() {
    parentJob = Job()
  }

kostapc

The default format of keys was changed in OpenSSL 1.0. From OpenSSL 1.0 change log:

Make PKCS#8 the default write format for private keys, replacing the traditional format. This form is standardised, more secure and doesn't include an implicit MD5 dependency. [Steve Henson]

Good explanations of the difference between the two formats: https://tls.mbed.org/kb/cryptography/asn1-key-structures-in-der-and-pem

Converting RSA private key:

kostapc

import kotlinx.coroutines.experimental.async
import kotlin.coroutines.experimental.CoroutineContext

suspend fun <T, R> Iterable<T>.pmap(context: CoroutineContext, transform: suspend (T) -> R): List<R> {
    return this.map {
        async(context) {
            transform(it)
        }
    }.map { it.await() }
}

kostapc

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

kostapc

package core;

public class Base58 {
	
	private static final char[] ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
			.toCharArray();
	private static final int BASE_58 = ALPHABET.length;
	private static final int BASE_256 = 256;

	private static final int[] INDEXES = new int[128];

kostapc

#!/bin/bash
#
# Generates client and server certificates used to enable HTTPS
# remote authentication to a Docker daemon.
#
#     See http://docs.docker.com/articles/https/
#
# To start the Docker Daemon:
#
#     sudo docker -d                 \

kostapc

FROM php:5.6-fpm-alpine

RUN apk update && apk add autoconf openssl-dev g++ make && \
    pecl install mongo && \
    docker-php-ext-enable mongo && \
    apk del --purge autoconf openssl-dev g++ make

kostapc

http {
  log_format bodylog '$remote_addr - $remote_user [$time_local] '
      '"$request" $status $body_bytes_sent '
      '"$http_referer" "$http_user_agent" $request_time '
      '<"$request_body" >"$resp_body"';

  lua_need_request_body on;

  set $resp_body "";
  body_filter_by_lua_block {

kostapc

<?php

$ytdlPath = '/whereever/your/youtube-dl'; //change this

ob_start();

$url = trim(rawurldecode($_SERVER['QUERY_STRING']));
$qStr = parse_url($url, PHP_URL_QUERY );
parse_str($qStr, $get);
if (!isset($get['v']) || !preg_match('~[a-zA-Z0-9_-]{11}~',$get['v']) ) {

kostapc

package selly.spring.data.convert;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.config.BeanDefinition;