Weekly Dev Findings 8

Python

Python 3.12 release

• Better error description

>>> sys.version_info
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'sys' is not defined. Did you forget to import 'sys'?

• A lot of typing improvements

Simple Generics

def max[T](args: Iterable[T]) -> T:
    ...

class list[T]:
    def append(self, element: T) -> None:
        ...

Type declaration

type Point[T] = tuple[T, T]

kwargs typing

from typing import TypedDict, Unpack

class Movie(TypedDict):
  name: str
  year: int

def foo(**kwargs: Unpack[Movie]): ...

• Flask 3.0 release - with async compatibily
• Django + htmx + TailwindCSS for Rapid Prototyping
• django-tailwind-cli - yet another tailwind CSS integration in Django
• humanize - formatting lib integrated in Django
• django-upgrade - update Django projects to upper versions of Django
• icecream - better print alternative

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JavaScript

TypeScript 5.3 Beta

Switch narrowing:

function f(x: unknown) {
    switch (true) {
        case typeof x === "string":
            // 'x' is a 'string' here
            console.log(x.toUpperCase());
            // falls through...

        case Array.isArray(x):
            // 'x' is a 'string | any[]' here.
            console.log(x.length);
            // falls through...

        default:
          // 'x' is 'unknown' here.
          // ...
    }
}

• pattycake - fast pattern matching in TypeScript
• nuxt.studio - Nuxt CMS
• triplex - React 3D editor

• NativeScript (Vue Mobile framework) support in Apple Vision Pro

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AI

• AI Emojis - generate custom emojis with AI
• open-interpreter - terminal app that turns prompts into running scripts
• magentic - decorate python function with prompt, lib will implement it using LLM  
• Make films from scratch using AI

• Make web apps with simple logic from diagram photo

• ollama - tool for running LLMs like Llama, has task oriented models like sqlcoder

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Tools

• new huge Windows 11 update with a lot of AI features
• roadmap.sh released Roadmap Builder

• codesnap - beutiful code snippets editor

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Entertainment

• Mark Zuckerberg: First Interview in the Metaverse | Lex Fridman Podcast - amazing 3d visualization like in Matrix 😎

• Portfolio that looks like Desktop screen made with Flutter