DarkSeraphim’s gists

DarkSeraphim / ListenerRegistry.java

Last active June 7, 2021 16:01

lock-free, eventually consistent Listener queues, with concurrent adds, iteration and removes. (CAUTION: definitely not tested properly)

	interface Listener<T> {
	boolean isActive(); // active, default true
	void remove(); // active = false
	void fire(T event);
	}

	private final AtomicInteger next = new AtomicInteger(0);
	private final AtomicInteger listenerCount = new AtomicInteger(0);
	private final AtomicInteger removed = new AtomicInteger(0);

DarkSeraphim / app.js

Created March 10, 2021 12:26

Pluggable PUT/GET service for Nexus testing

	const Fastify = require('fastify');
	const fastify = new Fastify();

	const fs = require('fs');
	const path = require('path');

	const uploads = path.resolve(process.env.UPLOAD_DIR);

	fs.mkdirSync(uploads, { recursive: true });

DarkSeraphim / EmbedBuilder.js

Created April 10, 2020 23:34

Discord.js live embed builder

	const { RichEmbed, MessageEmbed } = require('discord.js');
	const Embed = RichEmbed \|\| MessageEmbed;


	const commands = {
	'title': (embed, input) => embed.setTitle(input),
	'description' (embed, input) => embed.setDescription(input),
	// etc
	}

DarkSeraphim / Particles.java

Last active April 8, 2020 11:19

	public interface Particles {
	static Particles LT9 = new ParticlesLT9();

	static Particles GE9 = new ParticlesGE9();

	void summonParticles(Player p, String particles);

	private static Particles getParticles() {
	return getVersionNumber() < 9 ? LE9 : GE9;
	}

DarkSeraphim / FieldResolver.java

Last active June 19, 2019 17:02

GraphQL4J design v2

	public interface FieldResolver extends BiFunction<SelectionSet, Map<String, Object>, CompletableFuture<?>> {
	}

DarkSeraphim / Query.java

Last active June 12, 2019 17:31

GraphQL design

	public class Query {
	private User.Query user;

	private Query(Builder builder) {
	user = builder.user;
	}

	public static Builder builder() {
	return new Builder();
	}

DarkSeraphim / MarkdownFormatter.java

Created June 10, 2019 13:58

Formatting Markdown to HTML

DarkSeraphim / ignore-errors.js

Created March 27, 2019 11:02

Ignoring Discord.js errors that are expected and ignoreable

	const { Constants: { APIErrors }} = require('discord.js');
	const errorCodes = new Set(Object.values(APIErrors));

	/**
	* Usage:
	* const {APIErrors: {CANNOT_MESSAGE_USER}, ignore} = require('./ignore-errors.js');
	* try {
	* let message = await user.send('Hello world').catch(ignore(CANNOT_MESSAGE_USER));
	* if (message === null) {
	* // User has DMs closed

DarkSeraphim / load.js

Created March 18, 2019 15:38

DarkSeraphim / Email.txt

Created February 4, 2019 19:14

Spam email from "KPN"

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Mark Hendriks DarkSeraphim