The daily ledger

PEP 842: Module Exports

Hi, I’ve written PEP 842, which specifies an __export__ variable that controls variable visibility in modules. The full text is available here: Python Enhancement Proposals (PEPs) PEP 842 – Module Exports |…

Transitioning Java to More Frequent Security Updates

Oracle intends to provide Java security updates more frequently than the current quarterly CPU cadence of January, April, July, and October.

Check if Spark Dataframe Is Empty

Learn how to check whether a Spark DataFrame is empty to improve performance, especially when working with large datasets. The post Check if Spark Dataframe Is Empty first appeared on Baeldung.

JavaFX Links of July 2026

Here are the JavaFX LinksOfTheMonth of July 2026. You can find the weekly lists on jfx-central.com. Did we miss anything? Is there anything you want to have included in one of the next overviews? Let us know via…

Add conditional use warning deeplink (#8567)

Add conditional use warning deeplink (#8567)

Quiz: 11 Beginner Tips for Learning Python Programming

Test your knowledge of the habits that help you learn Python, from coding daily to asking good questions and building your first project.

The Real Python Podcast – Episode #305: Should You Understand Your Entire Python Codebase?

Should you understand the entirety of your codebase? How familiar are you with Python's built-in functions? Christopher Trudeau is back on the show this week with another batch of PyCoder's Weekly articles and projects.

Presentation: The Free-Lunch Guide to Idea Circularity

Holly Cummins discusses why "nothing is new under the sun" in tech. She maps historical architectural tradeoffs to modern cloud, microservices, and AI hype cycles. She connects financial debt (post-ZIRP) and technical…

Keeping Java Hot This Summer: August 2026 US & Canada JUG Tour with Simon Ritter

Summer conference season goes quiet. Most major Java events wrap by June, CFPs go dark while we're waiting for the results and a lot of us - if we decide to carry on with the work - use August to ... The post Keeping…

Article: Virtual Threads after JDK 24: What Changed for Production Java

JDK 24 removed the monitor-related carrier-thread pinning that stalled Netflix and similar teams on Java 21. What has replaced it on JDK 25 LTS is downstream-resource saturation: the bottleneck moved and now demands…

What's new in Astro - July 2026

July 2026 - CodeTV GSAP Webflow contest, Astro Germany, and more!

TanStack's new look, and life without RSC

#​485 — July 31, 2026 Read on the Web React Status Octane: React's Programming Model, But Compiled — From the creator of Inferno comes a successor: a compiled React-like framework (the differences from React are here)…

All Hands 2026 retrospective

How to speed up the Rust compiler in July 2026

Announcing webrtc v0.20.0: Async-Friendly, Runtime-Agnostic WebRTC on Sans-I/O Core rtc