rnkoaa’s gists

rnkoaa / Building Valhalla from source on Osx.md

Created October 23, 2025 15:05

use JDK 25

sdk install java 25-open
sdk use java 25-open

Install Xcode on MacOsx

rnkoaa / ghostty-config

Last active March 31, 2025 03:35

ghostty config

	# Creating splits
	keybind = ctrl+shift+h=new_split:left
	keybind = ctrl+shift+j=new_split:down
	keybind = ctrl+shift+k=new_split:up
	keybind = ctrl+shift+l=new_split:right

	# Navigating splits
	keybind = ctrl+h=goto_split:left
	keybind = ctrl+j=goto_split:bottom
	keybind = ctrl+k=goto_split:top

rnkoaa / MDCLoggingClientFilter.kt

Last active January 23, 2023 12:39

	import io.micronaut.http.HttpResponse
	import io.micronaut.http.MutableHttpRequest
	import io.micronaut.http.annotation.Filter
	import io.micronaut.http.filter.ClientFilterChain
	import io.micronaut.http.filter.HttpClientFilter
	import mu.KotlinLogging
	import org.reactivestreams.Publisher
	import org.slf4j.MDC
	import java.util.*

rnkoaa / Main.java

Created December 17, 2022 17:11

Convert a Yaml File to a Java Properties of Map<String, Object>

	public static void main(String[] args) {
	try (var inputStream = Main.class.getClassLoader().getResourceAsStream("application.yml")) {
	var yamlToProperties = new YamlToProperties(inputStream);
	Map<String, Object> stringObjectMap = yamlToProperties.asProperties();
	stringObjectMap.forEach((key, value) -> {
	System.out.println("Key: " + key + ", Value: " + value);
	});
	} catch (IOException e) {
	System.out.println(e.getMessage());
	}

rnkoaa / index.html

Created November 9, 2022 00:25

sidebar navigration with minimization to small bar on click inspired by bedimcode

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<link rel="stylesheet" href="css/style.css" />
	<title>Bedim Code</title>
	</head>
	<body id="body-pd">

rnkoaa / Retry.java

Created June 30, 2022 11:51 — forked from dtodt/Retry.java

[email protected] - Retry Adapter Factory - Call & CompletableFuture

	package com.company.retrofit2.annotation;

	import java.lang.annotation.Documented;
	import java.lang.annotation.Retention;
	import java.lang.annotation.Target;

	import static java.lang.annotation.ElementType.METHOD;
	import static java.lang.annotation.RetentionPolicy.RUNTIME;

	/**

rnkoaa / EitherCallAdapterFactory.kt

Created June 30, 2022 10:36 — forked from marcRDZ/EitherCallAdapterFactory.kt

A custom Retrofit CallAdapter.Factory to handle Response as Either


	import arrow.core.Either
	import okhttp3.Request
	import okio.Timeout
	import retrofit2.Call
	import retrofit2.CallAdapter
	import retrofit2.Callback
	import retrofit2.Response
	import retrofit2.Retrofit
	import java.io.IOException

rnkoaa / Actor.java

Created April 17, 2022 22:47

Jooq MultiSet select for one-to-many using Sakila DB on Postgresql

public record Actor(int id, String firstName, String lastName) {}

rnkoaa / Application.kt

Created January 9, 2022 07:51

Loan Amortization in Kotlin

	package org.richard.amortization

	import kotlin.math.pow

	object Application {

	private const val NUMBER_OF_MONTHS_IN_YEAR = 12

	private fun interest(principal: Money, rate: Double): Money {
	return Money(rate * principal.value())

rnkoaa / CustomDeserializer.java

Last active November 20, 2021 14:45

	@JsonDeserialize(using = CustomDeserializer.class)
	public abstract class BaseClass {

	private String commonProp;
	}

	// Important to override the base class' usage of CustomDeserializer which produces an infinite loop
	@JsonDeserialize(using = JsonDeserializer.None.class)
	public class ClassA extends BaseClass {

Richard Agyei rnkoaa