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

23 Aug 2026 edition

180 articles · 25 sources ·

Top topics: General · JavaScript · Python

Rust

How to prevent stack overflow when dropping deep structures?

Hi, I'm porting tests of custom JSON parser from another language to Rust. The original library contains test with 10 million nested JSON arrays. I can parse it in Rust easily. But unfortunately the problem happens when…

Source: Rust Users Forum radekm
Python

Add the stop_exception parameter to iter() and aiter()

Add the stop_exception parameter to iter() and aiter() The two-argument iter() only covers callables which report exhaustion by returning a special value. Many callables raise an exception instead — list.pop() and…

Source: Python Discourse — Latest Serhiy Storchaka
Python AI Django

Quoting Drew Breunig

Prior to Fable, it felt silly to waste too much time improving your coding harness or context strategies. A new model would arrive at the same price (or cheaper!) and paper over most of your problems. But then Fable…

Source: Simon Willison's Weblog
Python

Newbie trying to nest instrumentation queries in array

Hi, gang, This is my second week of Python - I’m trying. I want to test a phono preamp stage at various frequencies, so I have an array named test_param where each row has 4 elements: the frequency for the signal…

Source: Python Discourse — Latest Frank Wissman
Python

Request to link my PSF Contributing Membership account

I recently became a PSF Contributing Member and confirmed my voting intention on psfmember.org. My previous emails to psf-donations@python.org bounced with a “554 5.7.1 Sender address rejected: Spam” error. Could you…

Source: Python Discourse — Latest Nathan Peng
Rust

Current font/glyph/vector rasterizer?

Greetings friends, I've been poking at the Rust font stack for the past few days. I'm going to probably end up using the fontations stack as well as HarfRust to handle a good amount of my text woes. But that still…

Source: Rust Users Forum Jookia
Rust

Another approach to the nonzero macro

Initialization of a nonzero number, where assertion happens at compile time: // Using macro_rules for performant compilation, tested to work in stable Rust #[macro_export] macro_rules! nonzero { ($n:expr) => { // This…

Source: Rust Internals Forum TGODiamond
Rust

Why Vec's API isn't bigger than it's iter?

Even though IDEs can autocomplete function calls, I find myself calling .iter() on Vec almost every single time. Why is that? I know Vec has powerful APIs like extend(), but in fact I often need foreach(), filter(), and…

Source: Rust Users Forum BennyLi
Rust

Problem using Stream in Tokio Task

With following code, I get error that "implementation of std::ops::FnOnce is not general enough" and "no two async blocks, even if identical, have the same type. consider pinning your async block and casting it to a…

Source: Rust Users Forum Magicloud
Python

A puzzle about the StopIteration exception

This category is for help and general discussion. This is a general discussion topic. I found the interface to the StopIteration exception a bit puzzling. I think I’ve solved the puzzle now. Perhaps some of you would…

Source: Python Discourse — Latest Jonathan Fine
Rust

Override workspace.lints

Hello, I wish to override the workspace.lints from the workspace in sub crates. I found this. Is there a workaround ? Thank you very much in advance for any help 4 posts - 3 participants Read full topic

Source: Rust Users Forum CoreSegfault
Rust

Serialization/serde library in rust which tags structs with ids?

I am playing around with sending structs (serialized over to json), over a tcp connection, unfortunately the struct type is lost, and chaining a bunch of from_slice for various different structs wont work if the fields…

Source: Rust Users Forum SpiderUnderUrBed
Java

Security Baked Into the JVM: sixteen Subjects on the wire

Alice calls the order service. The order service calls the ledger on her behalf. At the second hop, the ledger has to decide whose authority the debit is being made under. Most stacks answer badly. Forward Alice’s…

Source: A Java geek
Hardware

Hackaday Links: August 23, 2026

We’ll start this week off with some disappointing, though not entirely unexpected, news — the ambitious commercial mission to save NASA’s Neil Gehrels Swift Observatory is officially a bust. The …read more

Source: Hackaday Tom Nardi

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