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Preparing for Behavioural Interviews at Tech Companies

So, you're applying for a tech company internship/grad role? Made it past the hackerrank, and now they want to ... talk to you? Exciting! Scary! But don't be alarmed, you'll do OK.

This short Gist contains all my best advice for how to prepare to do well in a behavioural interview. It's focussed at junior roles, but I suspect much of the advice is equally applicable for more senior roles too.

paper-versions.json

JSON containing links to the all known PaperMC versions.

Note

This JSON is being updated manually. If you want to always have the most actual paper-versions.json, check out this generator: qing762/paper-version-links (dynamic JSON)

Kudos to @qing762

So you want to modify the text of a PDF by hand...

If you, like me, resent every dollar spent on commercial PDF tools, you might want to know how to change the text content of a PDF without having to pay for Adobe Acrobat or another PDF tool. I didn't see an obvious open-source tool that lets you dig into PDF internals, but I did discover a few useful facts about how PDFs are structured that I think may prove useful to others (or myself) in the future. They are recorded here. They are surely not universally applicable --
the PDF standard is truly Byzantine -- but they worked for my case.

My Personal Constitution: A Living Document

Preamble: Embracing the Flow of Existence

This Personal Constitution is a living document, reflecting my ongoing journey of self-discovery and engagement with the world. It is not a rigid set of rules, but a guiding framework based on the truths I have found in my experiences, thoughts, and explorations. It emphasizes embracing the dynamic nature of life, the pursuit of knowledge and wisdom, and the importance of contributing positively to humanity.

	popup := true
	eudic_loc := "D:\soft\eudic\eudic.exe"

	; IconIndex 通过 python LnkParse3 查看，或 WinHex 偏移 56 位置的值，再加 1
	TraySetIcon("Shell32.dll", 44)

	#SuspendExempt
	; PauseBreak 开关脚本
	Pause::Suspend()
	#SuspendExempt False

	"use client";

	/* eslint-disable @next/next/no-img-element */
	import Link from "next/link";
	import { useState, useEffect } from 'react';
	import {
	AppBskyFeedDefs,
	AppBskyFeedPost,
	type AppBskyFeedGetPostThread,
	} from "@atproto/api";

	{
	"timestamp": "2025-01-25T21:47:37.634489",
	"question": "why does language exist?",
	"n_approaches": 5,
	"approach_list": [
	"Anthropological perspective",
	"Evolutionary biology",
	"Cognitive science",
	"Theoretical linguistics",
	"Sociocultural analysis"

	using System;
	/// <summary>
	/// Simple byte sequence finder. The code can be optimized a little bit like embedding the byte comparison in the for loop. Not sure if the .net compiler does this optimization.
	/// Probably can be faster with some search algorithm but I just needed a small and readable fast enough version
	/// </summary>
	static class ByteArrayExtensions
	{
	public static long LastIndexOf(this byte[] data, byte[] pattern)
	{
	if (data == null) throw new ArgumentNullException(nameof(data));

	import argparse
	import random
	import sys

	from transformers import AutoModelForCausalLM, AutoTokenizer, DynamicCache
	import torch

	parser = argparse.ArgumentParser()
	parser.add_argument("question", type=str)
	parser.add_argument(