pambrose

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <artifactId>kslides-maven</artifactId>
    <groupId>org.example</groupId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>

pambrose

// Out-of-the-box require() stmts
fun increment1(x: Int): Int {
  require(x > 0) { "value must be positive" }
  return (x + 1).also { require(it > 0) { "result is positive" } }
}

// Consolidate the post also/require() stmts into ensure() 
fun increment2(x: Int): Int {
  require(x > 0) { "value must be positive" }
  return (x + 1).ensure({ it > 0 }) { "result is positive" }

pambrose

public String frontBack(String str) {
  if (str.length() < 2)
    return str;
    
  String b = str.substring(0, 1);
  String e = str.substring(str.length() - 1, str.length());
  String m = str.substring(1, str.length() - 1);
  
  return e + m + b;
}

pambrose

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

void main() => runApp(SwitchDisplayApp());

class SwitchDisplayApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) => MaterialApp(home: SwitchDisplay());
}

pambrose

val Any.typeParameterCount: Int
  get() =
    when {
      this is Array<*> -> 1
      !javaClass.genericSuperclass.javaClass.kotlin.isSubclassOf(ParameterizedType::class) -> 0
      else -> (javaClass.genericSuperclass as ParameterizedType).actualTypeArguments.size
    }

4.typeParameterCount shouldEqual 0
"dd".typeParameterCount shouldEqual 0

pambrose

class IncClass(var i: Int = 9) {
  fun inc() {
    i++
  }

  override fun toString() = "Value: $i"
}

fun main() {
  KtsScript()

pambrose

# Add these to your .zshrc or .cshrc files

j8='export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_231.jdk/Contents/Home; java -version'
j11='export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-11.0.5.jdk/Contents/Home; java -version'
j13='export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-13.0.1.jdk/Contents/Home; java -version'

pambrose

package org.athenian.select

import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.selects.select
import kotlinx.coroutines.sync.Mutex

fun selectOnUnlock() {
    // Initialize mutexes as locked

pambrose

fun main(args: Array<String>) {

    val nonnNullStr = "Str-"
    val nullStr: String? = null

    println(nonnNullStr.nullableConcat("1"))
    println(nullStr.nullableConcat("2"))

    println(nonnNullStr.nonnullableConcat("3"))
    // Why is this legal?

pambrose

  public static void main(String[] args)
      throws Exception {

    // Create a JmxProxyLauncher
    JmxProxyLauncher jmxProxyLauncher =
        new JmxProxyLauncher.Builder()
            .setUserName("pambrose")
            .setPassword("topsecret")
            .build();