maximz

{
  "manifest_version": 2,
  "name": "Hacker News styles",
  "version": "0.1",
  "content_scripts": [{
    "matches": ["https://news.ycombinator.com/*"],
    "css": ["style.css"]
  }]
}

maximz

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.Composition;
using System.Deployment.Application;
using System.Globalization;
using System.Linq;
using System.Reactive.Linq;
using System.Timers;
using System.Windows;

maximz

(function () {
    var c = !0,
        d = !1;
    try {
        window.google || (window.google = {});
        google.doodle || (google.doodle = {});
        var f = google.doodle,
            h, j, k, l, m, n, o = 0,
            p = 23,
            q, r, s, u, v, w, x, y = 142,

maximz

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!