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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.

12 Sep 2026 edition

63 articles · 11 sources · 3 papers ·

Top topics: JavaScript · AI · Python

Rust

Shell command does not execute and I'm losing my mind

I've been writing a simple shutdown utility in Rust to gracefully close all open apps before running a final command and exiting: https://github.com/dastarruer/gtkshutdown. This final command is provided by the user.…

Source: Rust Users Forum dastarruer
Python AI Django

California Brown Pelican

California Brown Pelican, in San Mateo County, CA, US The Pacifica Pier shut down at the start of June after a crack in the concrete walkway made access to the pier unsafe. It has since been entirely taken over by…

Source: Simon Willison's Weblog
Rust

Safe unions and error types

Currently there's some workarounds to deal with multiple error types other than creating a sum type, like dyn or anyhow. The idea here is to make the compiler generate this sum type and allow transparent construction…

Source: Rust Internals Forum alrz
Python AI Django

Quoting Paul Ford

For a while, I must admit, it looked as if software developer roles like mine were done for. How could we fight against tireless robots? But our industry is slowly realizing that making truly cutting-edge software still…

Source: Simon Willison's Weblog
Rust AI

Compiling V8 (d8 shell) to WASM

I've been trying to compile V8 to WASM, including a patch that provides binary I/O capabilities. So far I've been using the free Google Gemini on the Web to try to get the correct formula. 61 attempts so far. Build V8…

Source: Rust Users Forum guest271314
Rust

Understanding precise capture syntax and constraints

Hello , I'm trying to understand the new precise capture syntax. To my understanding it has been introduced to opt-out of the new all parameter capture behaviour - the new default with Edition 2024. When playing around…

Source: Rust Users Forum Sebi2020
Python AI Django

OpenAI agents attacked RubyGems back in May

OpenAI agents carried out an undisclosed attack on RubyGems is a new bombshell report from Spencer Kitts, Thomas Larsen, and Sydney Von Arx - three of the four authors of the report on the agent attack on disused wikis…

Source: Simon Willison's Weblog
JavaScript AI

Chạy LLM on-device trong app Capacitor: iOS 26 và Gemini Nano

Originally published on NextFuture Thêm tính năng AI vào app mobile lâu nay đồng nghĩa với việc gửi text của người dùng lên server: chọn nhà cung cấp, tìm chỗ giấu API key không nằm trong bundle, và chấp nhận một hoá…

Source: DEV JavaScript feed BeanBean
JavaScript

Prompt caching ghi mà không đọc: vì sao bill tăng 25%

Originally published on NextFuture Bạn bật prompt caching cho một agent loop để cắt chi phí input, vì trong một tool loop thì input token là gần như toàn bộ hoá đơn. Một thời gian sau bill tăng chứ không giảm, trong khi…

Source: DEV JavaScript feed BeanBean
JavaScript

Does thinking twice as long make a Go AI twice as good? I measured it

Syndicated from the original on lkforge.com. The live engine is at lkforge.com/games/go; the full harness is in this gist. My browser Go engine uses Monte Carlo Tree Search: to pick a move it plays out thousands of fast…

Source: DEV JavaScript feed Lucian (LKB)
JavaScript

A CSV diff should reject duplicate IDs before it reports changes

Authorship: this article and the linked toolkit were prepared by Codex on behalf of the account owner. The examples use synthetic data. The execution results below come from actual local runs, not customer deployments.…

Source: DEV JavaScript feed yyygyf
JavaScript

Query Every Token on the XRP Ledger With One Endpoint

The XRP Ledger currently has 20,374 issued tokens, and 1,207 of them traded in the last 24 hours. Getting at that data usually means running your own rippled node or stitching together several exchange APIs. There is a…

Source: DEV JavaScript feed Nyx Lesende
JavaScript

Developer events September-October 2026

Hey! I compiled a list of developer events in Europe and online for these next two months of September-October. Key themes stay the same AI, automation and platform/internet context optimization but some innovations…

Source: DEV JavaScript feed devrel-serious
JavaScript

Why Static Mock APIs Aren't Enough for Modern Frontend Development

Every frontend developer has experienced this sequence: You start building an interactive web application. The backend is not yet ready, so you connect to a popular free mock API like JSONPlaceholder or a local static…

Source: DEV JavaScript feed Nilesh Kumar

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