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The daily ledger

TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.

26 Apr 2026 edition
AI

Our principles

Our mission is to ensure that AGI benefits all of humanity. Sam Altman shares five principles that guide our work.

Source: OpenAI Blog
Python FastAPI

How Bitwarden Encrypts and Decrypts Secrets

As part of my efforts in reducing my dependency on Big Tech, I have been researching how to self-host my password manager. One solution that looks very promising is Vaultwarden, an open source clone of the Bitwarden…

Source: miguelgrinberg.com Miguel Grinberg
Python

A git sign bug

While working on the new git signing feature for tumpa-cli I noticed that some of the commits can not be verified. For a moment I freaked out and then thought it must be a problem in my code. But, I could not dig…

Source: Kushal Das
Java

"hello, world" Java 25 Script In 4 Lines

Java 25 source-file mode turns a single file into an executable command. No compilation, no build tool, no .java extension. Here is how to create a zhello script: Create a file named zhello (no extension) with the…

Source: Adam Bien Blog
Java

Three Mastodon issues because of Cloudflare Bot protection

I noticed some time ago that three Mastodon features had stopped working on my blog. Each of them seemed like a separate problem, but they had the same root cause. In this blog post, I aim to describe these issues and…

Source: A Java geek