News for hackers. Stuff that matters.

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The Copper-Chlorine (Cu–Cl) thermochemical cycle allows heat to be directly used to drive chemical reactions bypassing the need to first convert heat into electricity
Re:A Mathematician's Lament [pdf] on Monday January 05, 2026 @01:46PM (#46502892)
Re:Pythonista 3.4 for iOS with Python 3.10 is out on Friday April 28, 2023 @01:58AM (#35737937)
New in 3.4 Pythonista now supports Python 3.10, so you can use structural pattern matching, assignment expressions (added in 3.8), and many other new language features and improvements in the standard library.

Python 2.7 is no longer included. The official PSF support for Python 2.7 has ended in 2020, so it simply made no sense to update it in 2023.

Shortcuts integration: You can now use Pythonista scripts as actions in Apple's Shortcuts app, without launching the app. The shortcuts module has additional functions to accomodate handling input/arguments passing data to other Shortcuts actions.

Improved documentation with modernized layout, dark mode, and additional content about third-party libraries.

Fixed an issue with the up/down arrow keys not working correctly in the editor.

Improved support for the Magic Trackpad (and other pointer devices) on iPadOS.

New text selection gestures in the editor for iOS 13+ (closer to system text gestures).

Added pandas and updated various other third-party modules to more recent versions.

Pythonista now requires iOS 12 or later.

Re:iOS Pythonista with Python 3.10 and support for pandas on Monday January 23, 2023 @02:01AM (#34486265)
Pythonista 3 3.4 (340006) is ready to test on iOS.

What to Test:

New in 3.4: * Support for Python 3.10 * Removed Python 2.7 support * Shortcuts integration: You can now use Pythonista scripts as actions in Apple's Shortcuts app, without launching the app. * Improved documentation with modernized layout, dark mode, and additional content about third-party libraries. * Added pandas and updated various other third-party modules to more recent versions. Please see "What's New in Pythonista" in the in-app documentation for more detailed release notes.

Merriam-Webster acquires popular Wordle clone, Quordle https://www.theverge.com/2023/1/22/23566622/merriam-webster-...
Here is a similar site for trees in Bangalore. https://sites.google.com/site/ramanarunachalamhome
Re:Ask HN: What are the best HN related websites? on Sunday April 01, 2018 @10:18AM (#16728393)
reddit subgroup mirroring hacker news https://www.reddit.com/r/hackernews/
Re:Drawing better-looking Bézier curves on Tuesday February 13, 2018 @12:47PM (#16369074)
Have you seen the shadertoy implementation? https://www.shadertoy.com/view/XsX3zf He refers to the following paper. http://hhoppe.com/ravg.pdf
Re:An animated introduction to the Fourier Transform [video] on Sunday January 28, 2018 @08:33AM (#16251228)
This fourier transform simulation example from shadertoy is good.

https://www.shadertoy.com/view/ltKSWD

Re:An animated introduction to the Fourier Transform [video] on Sunday January 28, 2018 @08:30AM (#16251215)
This fourier transform simulation example from shadertoy is good. https://www.shadertoy.com/view/ltKSWD
How about esterel? It seems to be a nice language based on FSM. https://en.wikipedia.org/wiki/Esterel
“Tutorial: Blockchains and Databases” at the 43rd International Conference on Very Large Data Bases (VLDB) in Munich on 29 August 2017: https://drive.google.com/file/d/0B7lNUaak0bK1ZDhkak05VHA0d00...

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