Jonas Lüthke joluet

joluet / conditionalTimeout.kt

Last active May 30, 2018 09:18

Conditional timeout operator for RxJava

	fun <T> conditionalTimeout(delay: Long, unit: TimeUnit, condition: () -> Boolean): ObservableTransformer<T, T> {
	return ObservableTransformer { upstream: Observable<T> ->
	upstream.timeout(
	// Timeout on first result after delay if condition is true
	Observable.timer(delay, unit)
	.switchMap {
	if (condition.invoke()) {
	// Trigger timeout
	Observable.empty<T>()
	} else {

joluet / CrashlyticsTree.java

Created April 26, 2018 10:27

A Timber logging tree implementation which reports exceptions to Crashlytics and omits other log messages

	/**
	* A logging implementation which reports exceptions to Crashlytics and omits other log messages
	*/
	public class CrashlyticsTree extends Timber.DebugTree {
	@Override
	public void i(String message, Object... args) {
	// omit
	}

	@Override

joluet / MyPresenter.java

Last active June 28, 2017 11:28

	class MyPresenter implements Presenter<MyPresenter.View> {

	private final DataRepository dataRepository;
	private final CompositeDisposable subscriptions = new CompositeDisposable();

	@Inject
	MyPresenter(DataRepository dataRepository) {
	this.dataRepository = dataRepository;
	}

joluet / country_photos.json

Last active January 30, 2017 14:28

	[
	{
	"url": "https://basetrip.s3.amazonaws.com/api/v2/countries/covers/afghanistan.jpg",
	"attribution_url": "https://commons.wikimedia.org/wiki/File:Kabul_Skyline.jpg",
	"code": "AF",
	"name": "Afghanistan"
	},
	{
	"url": "https://basetrip.s3.amazonaws.com/api/v2/countries/covers/aland-islands.jpg",
	"attribution_url": "https://www.flickr.com/photos/karinbacklund/6217642273",

joluet / RxUtils.java

Created July 11, 2016 14:03 — forked from dlew/File.java

Automated onError() message generation

	public static Action1<Throwable> crashOnError() {
	final Throwable checkpoint = new Throwable();
	return throwable -> {
	StackTraceElement[] stackTrace = checkpoint.getStackTrace();
	StackTraceElement element = stackTrace[1]; // First element after `crashOnError()`
	String msg = String.format("onError() crash from subscribe() in %s.%s(%s:%s)",
	element.getClassName(),
	element.getMethodName(),
	element.getFileName(),
	element.getLineNumber());

joluet / ObservableCache.java

Last active July 11, 2016 08:48 — forked from rs146/ObservableCache.java

	package com.bbc.tve.util;


	import com.bbc.tve.api.db.Timestamped;
	import com.bbc.tve.api.util.CacheUtils;

	import java.util.HashMap;
	import java.util.Map;

	import rx.Observable;

joluet / apk_method_count.sh

Created July 9, 2016 14:31

unzip -p build/outputs/apk/app-debug.apk classes.dex | head -c 92 | tail -c 4 | hexdump -e '1/4 "%d\n"'

joluet / start_android_emulator.sh

Last active April 1, 2016 15:34

	#!/bin/bash

	EMULATOR_PORT=5556

	echo "Android HOME : $ANDROID_HOME"


	function start_emulator() {
	echo "Starting emulator"
	$ANDROID_HOME/tools/emulator -port $EMULATOR_PORT -prop persist.sys.language=en -prop persist.sys.country=GB -avd hudson_en-GB_480_WXGA720_android-23_x86 -no-snapshot-load -no-snapshot-save -no-window &

joluet / gist:a8f49564f9661be0190a

Created June 26, 2015 17:04

A/B test sample size

	# p1 is the baseline conversion, choose 0.5 if unknown to get maximum sample size
	# p2 = (p1 + minumum detectable effect)
	# power = 1 -(type II error)
	power.prop.test(p1=0.5, p2=0.40, power=0.9, alternative='two.sided', sig.level=0.05)