fdoyle’s gists

fdoyle / derived.kt

Created April 14, 2023 18:49

A cool way to do derivedState with LiveData


	import androidx.arch.core.executor.testing.InstantTaskExecutorRule
	import androidx.lifecycle.LiveData
	import androidx.lifecycle.MutableLiveData
	import androidx.lifecycle.Observer
	import org.junit.Assert.assertEquals
	import org.junit.Rule
	import org.junit.Test

	//pattern inspired by https://github.com/ensody/ReactiveState-Kotlin, no code was copied.

fdoyle / gist:5ed52cb41bd6ca9978d25abd38aa3d47

Created June 23, 2022 16:41


	//from your application class, call
	// new NavigationLogger().start(this);

	//logs activity and fragment lifecycle events.
	class NavigationLogger {
	val logger = PVLog("Navigation")

	fun start(app: Application) {
	app.registerActivityLifecycleCallbacks(object: Application.ActivityLifecycleCallbacks {

fdoyle / noise.dart

Created April 2, 2019 19:54

some stuff for working with simplex noise in dart


	class VisualizerPainter extends CustomPainter {
	final double position;
	var noise = new SimplexNoise();
	NoiseLoop rLoop;
	NoiseLoop gLoop;
	NoiseLoop bLoop;

	VisualizerPainter(this.position, this.rLoop, this.gLoop, this.bLoop);

fdoyle / mario2.html

Last active April 5, 2017 22:43

fun little mario demo

	<!DOCTYPE html>
	<html>
	<body>
	<h1>Arrow keys do stuff</h1>
	<canvas id="myCanvas" width="800" height="400"
	style="border:1px solid #d3d3d3;">
	Your browser does not support the HTML5 canvas tag.</canvas>

	<script>
	var c = document.getElementById("myCanvas");

fdoyle / mario.html

Created April 5, 2017 08:18

	<!DOCTYPE html>
	<html>
	<body>

	<canvas id="myCanvas" width="10000" height="1000"
	style="border:1px solid #d3d3d3;">
	Your browser does not support the HTML5 canvas tag.</canvas>

	<script>
	var c = document.getElementById("myCanvas");

fdoyle / InterpolatorSmoothScroller.java

Last active March 9, 2016 23:37

Some Recyclerview Stuff

	package com.lacronicus;

	import android.support.v7.widget.RecyclerView;
	import android.util.Log;
	import android.view.View;
	import android.view.animation.Interpolator;

	import java.util.Random;

	/**

fdoyle / Combiner.java

Last active December 21, 2015 21:27

Use case: You have an object with setListener, and you have to listeners. Do Combiner.combine(listener1, listener2), with any given type, and it'll do what you want

	package com.lacronicus.combodriver;

	import java.lang.reflect.InvocationHandler;
	import java.lang.reflect.Method;
	import java.lang.reflect.Proxy;

	/**
	* Created by fdoyle on 12/17/15.
	*/
	public class ListenerCombiner {

fdoyle / kotlinlistmethods.kt

Created November 13, 2015 20:50

made these as an exercise, then found out they were in sequence. oh well.

	package com.lacronicus.kotlinlistmethods

	import java.util.ArrayList


	/**
	* Created by fdoyle on 11/13/15.
	*/

	fun <T, R> List<T>.map(mapFunc: (T) -> R) : List<R> {

fdoyle / FixedTransformerViewPager.java

Last active August 22, 2022 11:02

PageTransform + padding on viewpager doesn't work. this fixes it

	package com.foo.ui.view;

	import android.content.Context;
	import android.support.v4.view.ViewPager;
	import android.util.AttributeSet;
	import android.view.View;

	/**
	* Created by fdoyle on 11/2/15.
	*/

fdoyle / Main.java

Created October 21, 2015 14:31

first stab at a graph deep copy


	public class Main {

	public static void main(String[] args) {
	System.out.println("Hello World");

	Node a = new Node("A","A");
	Node b = new Node("B","B");
	Node c = new Node("C","C");
	Node d = new Node("D","D");

Frank Doyle fdoyle