mcupak’s gists

mcupak / meeting_alert.sh

Created May 30, 2024 15:06

Audio alerts for specific times on Mac OS.

	#!/bin/bash

	message_volume=30

	# Check if at least one argument is provided
	if [ $# -eq 0 ]; then
	echo "Usage: $0 \"9\" \"1:30\" \"15:00\""
	exit 1
	fi

mcupak / devoxx-exploring-reactive.jsh

Created November 19, 2020 03:55

Export of my JShell session from the Exploring reactive programming in Java talk at Devoxx Ukraine 2019.

	Thread t = new Thread(() -> System.out.println("hello guadalajara"))
	t.start()
	ExecutorService e = Executors.newSingleThreadExecutor()
	Future<String> f = e.submit(() -> "hello guadalajara")
	f
	f.get()
	ExecutorService e = ForkJoinPool.commonPool()
	Future<String> f = e.submit(() -> "hello guadalajara")
	f.get()
	CompletableFuture<String> cf = new CompletableFuture<String>()

mcupak / devoxx-type-inference.jsh

Last active November 19, 2020 03:53

Export of my JShell session from the Local variable type inference - Will it compile? talk at Devoxx Ukraine 2019.

	var x = "hello"
	/v x
	var list = new ArrayList<String>()
	/v list
	int x
	var x
	var x = null
	var x = (Integer) null
	int x=0, y=0
	var x=0, y=0

mcupak / confoo-exploring-java.jsh

Created March 3, 2020 22:07

Export of my JShell session from the Exploring the last year of Java talk at ConFoo 2020.

	HttpHandler handler = he -> {
	String body = "hello confoo";
	he.sendResponseHeaders(200, body.length());

	try (OutputStream os = he.getResponseBody()) {
	os.write(body.getBytes());
	}
	}
	/l handler
	HttpServer hs = HttpServer.create(new InetSocketAddress(8000), 0)

mcupak / confoo-type-inference.jsh

Created March 3, 2020 22:06

Export of my JShell session from the Local variable type inference - Will it compile? talk at ConFoo 2020.

	var x = "hello"
	/v x
	var list = new ArrayList<String>()
	/v list
	int x
	var x
	var x = null
	var x = (Integer) null
	int x=0, y=0
	var x=0, y=0

mcupak / devnexus.jsh

Created March 3, 2020 22:05

Export of my JShell session from The Good, the Bad and the Ugly of Java API design talk at DevNexus 2020.

	Set<Integer> set = new HashSet<Integer>()
	set.add(1)
	set.add(2)
	set.add(3)
	set = Collections.unmodifiableSet(set)
	Collections.unmodifiableSet(new HashSet<>Arrays.asList(1,2,3)))
	Collections.unmodifiableSet(new HashSet<>Arrays.asList(1,2,3))
	Collections.unmodifiableSet(new HashSet<>(Arrays.asList(1,2,3)))
	Collections.unmodifiableSet(new HashSet<Integer>() {{ add(1); add(2); add(3); }})
	ImmutableSet.of(1,2,3)

mcupak / djug.jsh

Created October 6, 2019 20:36

Export of my JShell session from the The good, the bad, and the ugly of Java API design talk at Detroit Java User Group 2019.

	List<Integer> list = new ArrayList<Integer>()
	list.add(1)
	list.add(2)
	list.add(3)
	list = Collections.unmodifiableList(list)
	Collections.unmodifiableList(Arrays.asList(1,2,3))
	Collections.unmodifiableList(Stream.of(1,2,3).collect(toList()))
	Collections.unmodifiableList(new ArrayList<Integer>() {{ add(1); add(2); add(3); }})
	/env -class-path guava-27.1-jre.jar
	import com.google.common.collect.ImmutableList

mcupak / javadevdaymx-reactive.jsh

Created October 6, 2019 20:36

Export of my JShell session from the Exploring reactive programming in Java talk at Java Dev Day Mexico 2019.

	Thread t = new Thread(() -> System.out.println("hello guadalajara"))
	t.start()
	ExecutorService e = Executors.newSingleThreadExecutor()
	Future<String> f = e.submit(() -> "hello guadalajara")
	f
	f.get()
	ExecutorService e = ForkJoinPool.commonPool()
	Future<String> f = e.submit(() -> "hello guadalajara")
	f.get()
	CompletableFuture<String> cf = new CompletableFuture<String>()

mcupak / javadevdaymx-api-design.jsh

Created October 6, 2019 20:35

Export of my JShell session from the The good, the bad, and the ugly of Java API design talk at Java Dev Day Mexico 2019.

	List<Integer> list = new ArrayList<Integer>()
	list.add(1)
	list.add(2)
	list.add(3)
	list = Collections.unmodifiableList(list)
	Collections.unmodifiableList(Arrays.asList(1,2,3))
	Collections.unmodifiableList(Stream.of(1,2,3).collect(toList()))
	Collections.unmodifiableList(new ArrayList<Integer>() {{ add(1); add(2); add(3); }} )
	/env -class-path guava-27.1-jre.jar
	import com.google.common.collect.ImmutableList

mcupak / tjug.jsh

Created June 28, 2019 17:11

JShell session from the Pub Quiz: Local Variable Type Inference talk at TJUG.

	var x = "hello"
	/v x
	var list = new ArrayList<String>()
	/v list
	int x
	var x
	var x = null
	var x = (Integer) null
	int x=0, y=0
	var x=0, y=0

Miro Cupak mcupak