diegohaz

type AnyFunction = (...args: any[]) => any

function useEvent<T extends AnyFunction>(callback?: T) {
  const ref = useRef<AnyFunction | undefined>(() => {
    throw new Error("Cannot call an event handler while rendering.")
  })
  // Or useInsertionEffect if it's React 18
  useLayoutEffect(() => {
    ref.current = callback
  })

s-cork

import React, { useEffect, useMemo, useCallback, useLayoutEffect, useState } from "react";
import { EditorView } from "@codemirror/view";
import { EditorState, Compartment, EditorStateConfig, StateEffect, Extension } from "@codemirror/state";
import { indentUnit } from "@codemirror/language";

/** creates an editor view from an initial state - destroys the view on cleanup */
export function useEditorView(initState: (() => EditorStateConfig) | EditorStateConfig = {}): EditorView {
    const view = useMemo(
        () => new EditorView({ state: EditorState.create(typeof initState === "function" ? initState() : initState) }),
        []

beesandbombs

// by dave @beesandbombs

int[][] result;
float t, c;

float ease(float p) {
  return 3*p*p - 2*p*p*p;
}

float ease(float p, float g) {

ryanflorence

Reach UI Philosophy

Reach UI is an accessible foundation for React applications and design systems.

The three equally important goals are to be:

• Accessible
• Composable
• Stylable

jamiewinder

import React from 'react';

import { DetectExternalEvents } from './detectexternalevents';

const EXTERNAL_REACT_EVENTS = ['onMouseDown', 'onTouchStart'];
const EXTERNAL_DOM_EVENTS = ['mousedown', 'touchstart'];

export interface IDetectExternalClickProps {
    component?: string;
    onExternalClick: (event: Event) => void;

treyhunner

from enum import Enum, EnumMeta


class ChoiceEnumMeta(EnumMeta):
    def __iter__(self):
        return ((tag, tag.value) for tag in super().__iter__())


class ChoiceEnum(Enum, metaclass=ChoiceEnumMeta):
    """

samthor

// UPDATE: In 2023, you should probably stop using this! The narrow version of Safari that
// does not support `nomodule` is probably not being used anywhere. The code below is left
// for posterity.

/**
 * Safari 10.1 supports modules, but does not support the `nomodule` attribute - it will
 * load <script nomodule> anyway. This snippet solve this problem, but only for script
 * tags that load external code, e.g.: <script nomodule src="nomodule.js"></script>
 *
 * Again: this will **not** prevent inline script, e.g.:

jevakallio

TL;DR: If you want to see me perform a spoken word poem about JavaScript in front of 1000 people (and on video), please ⭐ star this gist. If you're on mobile, you'll need to request desktop site.

JavaScript Slam Poetry

nemtsov

module.exports = (file, api, options) => {
  const j = api.jscodeshift;

  const printOptions = options.printOptions || {quote: 'single'};
  const root = j(file.source);
  const requires = {};

  const filterAndTransformRequires = path => {
    const varName = path.value.local.name;
    const scopeNode = path.parentPath.scope.node;

fchollet

from keras.models import Sequential
from keras.layers import Dense

x, y = ...
x_val, y_val = ...

# 1-dimensional MSE linear regression in Keras
model = Sequential()
model.add(Dense(1, input_dim=x.shape[1]))
model.compile(optimizer='rmsprop', loss='mse')