Discover gists

CSS

What is CSS?

CSS stands for Cascading Style Sheet.
Styles define how to display HTML elements
Styles were added to HTML 4.0 to solve a problem
External Style Sheets can save a lot of work
External Style Sheets are stored in CSS files

Generating Authy passwords on other authenticators

*update: TBC, but this new might affect how easy it is to use this technique past August 2024: Authy is shutting down its desktop app | The 2FA app Authy will only be available on Android and iOS starting in August

This gist, based in part on a gist by Brian Hartvigsen, allows you to export from Authy your TOTP tokens you have stored there.
Those can be "standard" 6-digits / 30 secs tokens, or Authy's own version, the 7-digits / 10 secs tokens.

Senior Frontend Interview Questions

Some questions about frontend development that might be in your next job interview. The questions were formulated by @mauvieira, a super senior fullstack developer

General Frontend

What are the strategies we can use to optimize the performance of web applications?
- CDNs, GraphQL (maybe) to reduce overfetching, improve backend performance, use SSR and/or SSG, lazy loading for loading assets only when it's needed, minimize and compress HTML, CSS and JS files, and optimize images by compressing and resizing them.
What are Web Vitals (LCP, FID, CLS)? And how are they applied in the real world?

Setup face recognition authentication on ArchLinux and KDE Plasma using howdy

This is surprisingly easy...basically following Arch Wiki:

https://wiki.archlinux.org/index.php/Howdy

After some investigation, here is step by step and preferences

Install `howdy`

TCP tuning

The most important TCP tuning areas since kernel 4.9 are:

packet pacing
dynamic TSO sizing
TCP small queues
BBR TCP congestion algorithm

Definitions

Gb = gigabit

Ever wanted to delete all your likes/favorites from Twitter but only found broken/expensive tools? You are in the right place.

Go to: https://twitter.com/{username}/likes
Open the console and run the following JavaScript code:

setInterval(() => {
  for (const d of document.querySelectorAll('div[data-testid="unlike"]')) {
    d.click()
 }

	#!/usr/bin/env python3

	# full explanation at marley-web.dev/blog/japanese-frequency-list

	from jpfreq.jp_frequency_list import JapaneseFrequencyList
	from sys import argv

	freq_list = JapaneseFrequencyList()

	files = argv[1:]

	#!/usr/bin/env python3

	"""
	Mac OSX Catalina User Password Hash Extractor

	Extracts a user's password hash as a hashcat-compatible string.

	Mac OSX Catalina (10.15) uses a salted SHA-512 PBKDF2 for storing user passwords
	(hashcat type 7100), and it's saved in an annoying binary-plist-nested-inside-xml-plist
	format, so previously reported methods for extracting the hash don't work.


	/**
	normalize co-ordinates that lie outside of the normal ranges.

	longitude wrapping simply requires adding +- 360 to the value until it comes
	in to range.

	for the latitude values we need to flip the longitude whenever the latitude
	crosses a pole.
	**/

	config BR2_PACKAGE_LIBCURL
	bool "libcurl"
	help
	cURL is a tool for getting files from FTP, HTTP, Gopher, Telnet,
	and Dict servers, using any of the supported protocols.

	http://curl.haxx.nu/

	config BR2_PACKAGE_CURL
	bool "curl binary"