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Christian Petersen fnky

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In this tutorial we're going to build a set of parser combinators.

What is a parser combinator?

We'll answer the above question in 2 steps.

  1. What is a parser?
  2. and, what is a parser combinator?

So first question: What is parser?

@cprovatas
cprovatas / Data+PrettyPrint.swift
Created May 23, 2018 15:52
Pretty print JSON string from Data in Swift 4.1 (especially useful printing to Xcode console)
import Foundation
extension Data {
var prettyPrintedJSONString: NSString? { /// NSString gives us a nice sanitized debugDescription
guard let object = try? JSONSerialization.jsonObject(with: self, options: []),
let data = try? JSONSerialization.data(withJSONObject: object, options: [.prettyPrinted]),
let prettyPrintedString = NSString(data: data, encoding: String.Encoding.utf8.rawValue) else { return nil }
return prettyPrintedString
}
@fnky
fnky / ANSI.md
Last active August 19, 2025 12:30
ANSI Escape Codes

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

  • Ctrl-Key: ^[
  • Octal: \033
  • Unicode: \u001b
  • Hexadecimal: \x1B
  • Decimal: 27
@bvaughn
bvaughn / LICENSE.md
Last active April 27, 2025 22:07
Advanced example for manually managing subscriptions in an async-safe way using hooks

The MIT License (MIT)

Copyright © <year> <copyright holders>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

@ryanflorence
ryanflorence / $post.edit.tsx
Last active March 9, 2022 22:50
The Anatomy of a Remix Route
/**
* The Anatomy of a Remix Route
*/
import { parseFormBody, json, redirect } from "@remix-run/data";
import {
Form,
useRouteData,
usePendingFormSubmit,
preload,
} from "@remix-run/react";
@0xdevalias
0xdevalias / reverse-engineering-macos.md
Last active August 19, 2025 13:04
Some notes, tools, and techniques for reverse engineering macOS binaries