Specification of DNS over Dedicated QUIC Connections
While a lot of people debate DNS-over-https (and it’s dependencies), IETF has a specification for DNS-over-QUIC on it’s standards track.
This document describes the use of QUIC to provide transport privacy for DNS. The encryption provided by QUIC has similar properties to that provided by TLS, while QUIC transport eliminates the head-of-line blocking issues inherent with TCP and provides more efficient error corrections than UDP. DNS over QUIC (DNS/QUIC) has privacy properties similar to DNS over TLS specified in RFC7858, and performance similar to classic DNS over UDP.
Heute hat der Europäische Gerichtshof in einem Fall von FashionID, des Onlineshop des Modehändlers Peek & Cloppenburg, ein Urteil gesprochen. Es geht darin darum, wie mit der Weitergabe von Benutzerdaten bei der Verwendung von 3rd Party Content umgegangen werden muss. Dass der Einsatz von beispielsweise Facebook Like Buttons
Unter anderem versucht die Tagesschau aufzuklären. Weil das Urteil durch den EuGH ergangen ist und daher Konsequenzen über Deutschland hinaus haben wird, berichten auch internationale News wie Techcrunch und Yahoo(Reuters).
Simon Assion von #twobirds, Twitter-aktiver Rechtsanwalt, fasst eben dort einige Stichpunkte zu dem Urteil in einem Thread zusammen.
The other day wrote this in their post on LinkedIn. Following the link takes one to the newly announced Github Package Registry, that allows developers to host releases for distribution. It’s currently in beta and supports npm, docker images, maven packages, NuGet and Ruby Gems. The corresponding blog article has a few more insights:
With GitHub Package Registry your packages are at home with their code—sign up for the limited beta to try it out.
From the blogpost
While I appreciate the thought and easiness of integration, the announcement doesn’t leave me with a cosy feeling. It’s a bit like GitHub is trying to become the Facebook of code. The Internet is made to work decentralised and the interesting part always has been the freedom of choice. With functionality merging together in one platform, choice gets lost and there is opportunity of misuse.
In particular, it seems almost forgotten that Github, just like Linkedin, have been acquired by Microsoft in 2016 and 2018. This perspective throws another light on the added functionality and developers may want to evaluate remaining alternatives.
Celery is a distributed task execution environment for Python. While the emphasis is on distributed in this software, the concept of having workers allows for settings beyond the individual task. While the first rule of optimisation is “don’t”, sharing database connections is a low hanging fruit in most cases. And this can be configured per worker with Celery provided signals. To create a database connection for individual worker instances, leverage these signals to create the connection when the worker starts.
This can be achieved leveraging the worker_process_init signal, and the corresponding worker_process_shutdown signal to clean up when the worker shuts down.
The code should obviously be picked up at worker start, hence the tasks.py file will be a good location to keep these settings.
from celery.signals import worker_process_init
from celery.signals import worker_process_shutdown
app = Celery('tasks', broker=CELERY_BROKER_URL)
db = None
log.debug('Initializing database connection for worker.')
db = sqlite3.connect("urls.sqlite")
log.debug('Closing database connectionn for worker.')
The example above opens a connection to a sqlite3 database, which in itself has other issues, but is only meant as an example. This connection is established for each individual worker at startup.
Box-256 is a browser game
where you need to solve
small tasks, e.g. let a program draw a square, in your browser. Through writing assebly. Since I wrote quite a bit assembly throughout my career, I thought this is interesting. Still, I failed at level one. Mostly because of impatience.