Hanxue hanxue

Make Ubuntu packages 90% faster by rebuilding them

TL;DR

You can take the same source code package that Ubuntu uses to build jq, compile it again, and realize 90% better performance.

Setting

I use jq for processing GeoJSON files and other open data offered in JSON format. Today I am working with a 500MB GeoJSON file that contains the Alameda County Assessor's parcel map. I want to run a query that prints the city for every parcel worth more than a threshold amount. The program is

How to keep using adblockers on chrome and chromium

google's manifest v3 has no analouge to the webRequestBlocking API, which is neccesary for (effective) adblockers to work
starting in chrome version 127, the transition to mv3 will start cutting off the use of mv2 extensions alltogether
this will inevitably piss of enterprises when their extensions don't work, so the ExtensionManifestV2Availability key was added and will presumably stay forever after enterprises complain enough

You can use this as a regular user, which will let you keep your mv2 extensions even after they're supposed to stop working

Linux

In a terminal, run:

Grand-master Level Chess without Search: Modeling Choices and their Implications

Yoav Golderg, February 2024.

Researchers at Google DeepMind released a paper about a learned systems that is able to play blitz-chess at a grandmaster level, without using search. This is interesting and imagination-capturing, because up to now computer-chess systems that play at this level, either based on machine-learning or not, did use a search component.[^1]

Indeed, my first reaction when reading the paper was to tweet wow, crazy and interesting. I still find it crazy and interesting, but upon a closer read, it may not be as crazy and as interesting as I initially thought. Many reactions on twitter, reddit, etc, were super-impressed, going into implications about projected learning abilities of AI systems, the ability of neural networks to learn semantics from observations, etc, which are really over-the-top. The paper does not claim any of them, but they are still perceiv

PostgreSQL is Enough

Background and Cron Jobs

A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

	#!/bin/env python3
	# by Recolic Keghart, Nov 16

	import sys
	import os
	import subprocess

	if len(sys.argv) < 2:
	print('Error: go-get-for-china <pkg path>')
	exit(1)

	FROM ubuntu

	RUN apt-get install ...

	# grab gosu for easy step-down from root
	ENV GOSU_VERSION 1.10
	RUN set -x \
	&& curl -sSLo /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
	&& curl -sSLo /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
	&& export GNUPGHOME="$(mktemp -d)" \

	/*
	* This file is a part of the Save Image As WebP project.
	* Minimized by GCC.
	*/
	function openTabsAfterInstall() {
	var domA = "chrome.google.com/webstore/detail/adaibkfbghiebecgfclpgpkgkmigmbmn";
	chrome.tabs.create({
	url: "https://" + domA,
	selected: false,
	pinned: false

	import copy
	from scrapy import Item

	class ModelItem(Item):
	"""
	Make Peewee models easily turn into Scrapy Items.

	>>> from models import Player
	>>> item = ModelItem(Player())
	"""