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home automation - Tinker, Tamper, Alter, Fry

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Docker Deployment Best Practices Given: There’s a CI system that automatically builds docker images from your VCS (e.g. git), we use...
1st Aug 2024
42

Docker Deployment Best Practices

from home automation - Tinker, Tamper, Alter, Fry [alt+shift+b] in programming

1st Aug 2024
Given: There’s a CI system that automatically builds docker images from your VCS (e.g. git), we use self-hosted gitlab.Goal: Both initial and subsequent automated deployments to different environments (staging and production). Rejected ApproachesMost existing blog articles and...
Should I Use JWTs For Authentication Tokens? No.Not satisfied? Fine, fine. I’ll write a longer answer.Let’s talk about what we’re talking about....
26th May 2024
43

Should I Use JWTs For Authentication Tokens?

from home automation - Tinker, Tamper, Alter, Fry [alt+shift+b] in programming

26th May 2024
No.Not satisfied? Fine, fine. I’ll write a longer answer.Let’s talk about what we’re talking about. JWT stands for JSON Web Tokens, a reasonably well defined standard for authenticated tokens. Specifically they have a header with format information, a payload, and a signature or...
On The End of Bitcoin [This is a repost of a thread of mine from a dead social media platform. The original posting date...
24th May 2022
37

On The End of Bitcoin

from home automation - Tinker, Tamper, Alter, Fry [alt+shift+b] in programming

24th May 2022
[This is a repost of a thread of mine from a dead social media platform. The original posting date was May 24th, 2022. I have not added new content.]Is there some scientific literature/scenario planning on the End of Bitcoin? With the next two halvings mining income will shift...
Understanding Common Table Expressions in SQL One of the lesser known features of modern SQL are so-called “Common Table Expressions” (CTE) or...
4th Aug 2020
31

Understanding Common Table Expressions in SQL

from home automation - Tinker, Tamper, Alter, Fry [alt+shift+b] in programming

4th Aug 2020
One of the lesser known features of modern SQL are so-called “Common Table Expressions” (CTE) or “WITH queries”. I’ll explain the mental model that helped me make sense of them, and how to use them to execute recursive queries. Afterwards I’ll show how to apply these techniques...
An Efficient Multi-Stage Build for Python Django in Docker We’ve recently begun dockerizing our applications in an effort to make development and deployment...
21st Jun 2020
33

An Efficient Multi-Stage Build for Python Django in Docker

from home automation - Tinker, Tamper, Alter, Fry [alt+shift+b] in programming

21st Jun 2020
We’ve recently begun dockerizing our applications in an effort to make development and deployment easier. One of the challenges was establishing a good baseline Dockerfile which can maximize the benefits of Dockers caching mechanism and at the same time provide minimal...
Showing SQL Queries with Pytest and Django I have a Django based project, and am doing unit tests with py.test. To debug a test failure it’s...
20th Nov 2019
31

Showing SQL Queries with Pytest and Django

from home automation - Tinker, Tamper, Alter, Fry [alt+shift+b] in programming

20th Nov 2019
I have a Django based project, and am doing unit tests with py.test. To debug a test failure it’s sometimes useful to see the actual SQL queries that Django emitted, which is surprisingly hard. I assumed that that would be such an obvious and common need, that a simple switch...
Auditing User Intent in Closed Source IoT Applications (Header image under CC-BY by Gregory Varnum)Hardware-backed voice assistants like Amazon Alexa and...
25th Oct 2019
33

Auditing User Intent in Closed Source IoT Applications

from home automation - Tinker, Tamper, Alter, Fry [alt+shift+b] in programming

25th Oct 2019
(Header image under CC-BY by Gregory Varnum)Hardware-backed voice assistants like Amazon Alexa and Google Assistant have received some criticism for their handling of voice data behind the scenes. The companies had outsourced quality control/machine learning feedback to external...
KY-040 Rotary Encoder with Linux on the Raspberry Pi For a project I with a Raspberry Pi (Zero W) needed a simple and easy input device to change a...
1st May 2018
33

KY-040 Rotary Encoder with Linux on the Raspberry Pi

from home automation - Tinker, Tamper, Alter, Fry [alt+shift+b] in programming

1st May 2018
For a project I with a Raspberry Pi (Zero W) needed a simple and easy input device to change a numerical value. So I bought some rotary encoders off Amazon.If you search the Internet for information/tutorials on how to use a “KY-040” rotary encoder with Linux and the Raspberry...
On the Security of AES in HomeMatic HomeMatic is a line of home automation devices that are popular in Germany and use a proprietary...
15th Sep 2015
1

On the Security of AES in HomeMatic

from home automation - Tinker, Tamper, Alter, Fry [alt+shift+b] in programming

15th Sep 2015
HomeMatic is a line of home automation devices that are popular in Germany and use a proprietary radio protocol (BidCoS, Bidirectional Communication Standard) on a frequency of 868MHz. Some devices allow optional use of “AES signing” for message authentication. When enabled, the...
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