| from django import forms | |
| class EmptyChoiceField(forms.ChoiceField): | |
| def __init__(self, choices=(), empty_label=None, required=True, widget=None, label=None, | |
| initial=None, help_text=None, *args, **kwargs): | |
| # prepend an empty label if it exists (and field is not required!) | |
| if not required and empty_label is not None: | |
| choices = tuple([(u'', empty_label)] + list(choices)) |
| import http.server | |
| import socketserver | |
| from http import HTTPStatus | |
| class Handler(http.server.SimpleHTTPRequestHandler): | |
| def do_GET(self): | |
| self.send_response(HTTPStatus.OK) | |
| self.end_headers() | |
| self.wfile.write(b'Hello world') |
| """Reloads the `my_turtle.py` code on save. | |
| Put simple turtle instructions in the `my_turtle.py` file, | |
| and they'll be re-run (on a clean window) on each file save. | |
| Usage: | |
| 1/ put some turtle instructions in a `my_turtle.py` file | |
| (eg `turtle.forward(100)`) | |
| 2/ run `python watch_turtle.py` on a commandline | |
| (no dependencies needed) |
| <!doctype html> | |
| <meta charset=utf-8> | |
| <title>Test DOM Content Loaded and promises</title> | |
| <script> | |
| console.log(document.querySelector('main')) // => null | |
| document.ready = new Promise( | |
| (resolve) => document.addEventListener('DOMContentLoaded', resolve)) | |
| document.ready.then(() => console.log(document.querySelector('main'))) // => <main> | |
| </script> | |
| <main></main> |
For Out of the Software Crisis.
These are under the MIT License. Do what you want, essentially. Probably doesn't work out of the box. Uses Pandoc, zx, weasyprint, and Literata.
You'll need to download them for this to work. And you'll need to edit the build script to point at the correct CSS files. And you'l need to edit the CSS to point at the correct font files.
This is my recommended Python setup, as of Fall 2022. The Python landscape can be a confusing mess of overlapping tools that sometimes don't work well together. This is an effort to standardize our approach and environments.
| def neighborhood(iterable, first=None, last=None): | |
| """ | |
| Yield the (previous, current, next) items given an iterable. | |
| You can specify a `first` and/or `last` item for bounds. | |
| """ | |
| iterator = iter(iterable) | |
| previous = first | |
| current = next(iterator) # Throws StopIteration if empty. | |
| for next_ in iterator: |
| /* Applying it to the html element will provide smooth scrolling to anchors | |
| https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-behavior */ | |
| html { | |
| scroll-behavior: smooth; | |
| } | |
| /* Remove animations for folks who set their OS to reduce motion. | |
| 1. Immediately jump any animation to the end point | |
| 2. Remove transitions & fixed background attachment |
| def server_app(environ, start_response): | |
| method = environ.get('REQUEST_METHOD', 'GET') | |
| if method == 'GET': | |
| return get_response(start_response) | |
| elif method == 'POST': | |
| accept_header = environ.get('HTTP_ACCEPT', '*/*') | |
| post_data = environ.get('wsgi.input').read() | |
| return post_response(start_response, accept_header, post_data) |
Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.
$ python -m SimpleHTTPServer 8000