ktchernov

# turns a port and an IP array into a string like: "127.0.0.1:4430,10.33.0.6:4430"
function ip_list_with_ports {
  local port=$1
  shift 1
  local ips=("$@")
  for ((i=0; i<${#ips[@]}; i++)); do
    echo -n "${ips[$i]}:$port"
    if [ $i != $(( ${#ips[@]} - 1 )) ]; then
      echo -n ","
    fi

ktchernov

import datetime

# Python date and datetime in ISO 8601 format
# Example local timezone is UTC+12

isodate = datetime.datetime.now().date().isoformat()
print(isodate) # prints 2022-06-07 - Current timezone

isodateutc = datetime.datetime.utcnow().date().isoformat()
print(isodateutc) # prints 2022-06-06 - UTC timezone

ktchernov

FROM debian:11

# Add a user my-user (1001) to group my-group (gid 1001)
RUN addgroup --system --gid 1001 my-group && \
  adduser --system --gid 1001 --uid 1001 --disabled-password my-user
  

ktchernov

package io.github.ktchernov

import androidx.lifecycle.ViewModel
import androidx.lifecycle.ViewModelProvider

import javax.inject.Provider

abstract class ViewModelFactory <VM : ViewModel> protected constructor(
        private val provider: Provider<VM>) : ViewModelProvider.Factory {

ktchernov

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        setSupportActionBar(toolbar)

        val packages
                = packageManager.getInstalledApplications(PackageManager.GET_META_DATA)

ktchernov

#!/bin/sh
./gradlew wrapper --gradle-version $1 --distribution-type all

ktchernov

#!/bin/bash

#set -ex

branch_name=$(git symbolic-ref -q HEAD)
branch_name=${branch_name##refs/heads/}
branch_name=${branch_name:-HEAD}

if [[ $branch_name = "HEAD" ]]; then
  echo "Cannot work with a detached head"

ktchernov

#!/bin/sh
git branch --merged | egrep -v "(^\*|master|dev)" | xargs git branch -d

ktchernov

<!-- 0. Make sure you've got API level 25 sources
     1. Open ~/Library/Preferences/AndroidStudioPreview3.0/options/jdk.table.xml (macOS path)
     2. Find "API 26 Platform" section
     3. Replace the <sourcePath> XML node in this section with the following (again, macOS path) -->

        <sourcePath>
          <root type="composite">
            <root type="simple" url="file://$USER_HOME$/Library/Android/sdk/sources/android-25" />
          </root>
        </sourcePath>

ktchernov

package io.github.ktchernov.play_aroundapp.views;

/**
 * Copyright 2017 Konstantin Tchernov
 *
 * Adapted from: ControllableAppBarLayout by Bartosz Lipinski and
 * Marcel Pintó Biescas
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.