milis92

// Where hierarchy tree looks like Animal->Dog->Husky
public static void main(String[] args) {
   List<? super Dog> animals = new ArrayList<Animal>(); //Compatible type
   List<? super Dog> dogs    = new ArrayList<Dog>();    //Compatible type
   List<? super Dog> huskies = new ArrayList<Husky>();  //Incompatible type

   contravariance(new ArrayList<Animal>()); //Ok
   contravariance(new ArrayList<Dog>());    //OK
   contravariance(new ArrayList<Husky>());  //Compiler error
}

milis92

//Put this into buildSrc/src/android-applicaiton-convention.gradle.kts

@file:Suppress("UnstableApiUsage")

import com.android.build.api.dsl.ApplicationDefaultConfig

plugins {
    id("com.android.application")
    id("org.gradle.android.cache-fix")
    kotlin("android")

milis92

package com.ivan.store

import android.content.SharedPreferences
import androidx.core.content.edit

interface KeyValueStore {

    fun write(key: String, value: Any?)

    fun <T> read(key: String): T?

milis92

task getDeviceIp {
    doLast {
        new ByteArrayOutputStream().withStream { os ->
            exec {
                commandLine(android.getAdbExe())
                args('shell', 'ip', 'addr', 'show', 'wlan0', ' | grep', '\'inet \'', '| cut -d\' \'', '-f6', '|cut -d/', '-f1')
                standardOutput = os
            }
            ext.deviceIp = os.toString().trim()
        }

milis92

#!/bin/bash

set -o pipefail -e

usage="

$(basename "$0") [-h] [-e/d -p=\"password\" -f=\"path/to/file\"]

where:
    -h --help            show this help text

milis92

#!/bin/bash
certs=`openssl s_client -servername $1 -host $1 -port 443 -showcerts </dev/null 2>/dev/null | sed -n '/Certificate chain/,/Server certificate/p'`
rest=$certs
while [[ "$rest" =~ '-----BEGIN CERTIFICATE-----' ]]
do
 cert="${rest%%-----END CERTIFICATE-----*}-----END CERTIFICATE-----"
 rest=${rest#*-----END CERTIFICATE-----}
 echo `echo "$cert" | grep 's:' | sed 's/.*s:\(.*\)/\1/'`
 echo "$cert" | openssl x509 -pubkey -noout | 
     openssl rsa -pubin -outform der 2>/dev/null |