Karl Dubost karlcow

Debugger tools

Debuggers and icons meaning.

Edge/Blink

Resume script execution until the next breakpoint if any
Step over line of code
Step into line of code

User Agent Detection Use Cases

Before being able to freeze and reduce parts of the browser User Agent string, we need to clearly lay down the different ways the user agent strings is being used on the Web by users and developers.

The User Agent String detection is the mechanism by which a piece of software will change its behavior according to the interpretation of the value of the User Agent String.

User Agent Strings Scope

With lxml 4.5.0

❯ python
Python 3.9.1 (default, Feb  5 2021, 17:04:50) 
[Clang 12.0.0 (clang-1200.0.32.29)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from lxml import etree
>>> from io import StringIO
>>> etree.parse(StringIO('<h2>👺</h2>'))

	## Pre-requisite: You have to know your last commit message from your deleted branch.
	git reflog
	# Search for message in the list
	# a901eda HEAD@{18}: commit: <last commit message>

	# Now you have two options, either checkout revision or HEAD
	git checkout a901eda
	# Or
	git checkout HEAD@{18}

	// convert from date string to date object
	function convert_to_date(date_str) {
	var timestamp = Date.parse(date_str);
	var date_obj = new Date(timestamp);
	return date_obj;
	}
	// Create a label string of two dates for each week starting with the beginning date.
	function make_labels(date_start) {
	var date_obj = date_start.timestamp;
	date_str_start = date_obj.toLocaleDateString("en-US", date_options);

	(function (containerId, opts) {
	if (!('querySelector' in document)) return;
	var container = document.getElementById(containerId);
	var nameSpace = opts.namespace \|\| '';
	var onResize = throttle(update, 200);
	var waiting = !!window.IntersectionObserver;
	var observer;
	update();

	document.addEventListener('DOMContentLoaded', update);

	products = """A,10,20
	B,50,30
	C,10,10
	D,50,40
	E,60,10"""

	product_lines = [product.split(',') for product in products.splitlines()]
	# sorting by INCREASING price
	per_price = sorted(product_lines, key = lambda product: product[2])
	# [['C', '10', '10'], ['E', '60', '10'], ['A', '10', '20'], ['B', '50', '30'], ['D', '50', '40']]

	from datetime import datetime
	from glob import glob
	import locale
	import re
	from textwrap import dedent

	import mistune
	from PIL import Image