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@jspahrsummers
jspahrsummers / GHRunLoopWatchdog.h
Created January 28, 2015 20:50
A class for logging excessive blocking on the main thread
/// Observes a run loop to detect any stalling or blocking that occurs.
///
/// This class is thread-safe.
@interface GHRunLoopWatchdog : NSObject
/// Initializes the receiver to watch the specified run loop, using a default
/// stalling threshold.
- (id)initWithRunLoop:(CFRunLoopRef)runLoop;
/// Initializes the receiver to detect when the specified run loop blocks for
@lunelson
lunelson / gsap-properties-cheat-sheet.md
Last active March 14, 2025 12:07
Greensock Properties Cheat Sheet

Greensock CSS properties Cheat Sheet

I wrote this as a reference for myself because some of the property names are non-obvious, and there are a number of relevant special properties, and there is no central concise listing of them all in GSAP Docs, other than (in longer form) on the CSSPlugin page.

Standard CSS properties

...are all supported, with hyphenated-names becoming camelCaseNames. Non-animatable properties are also supported but they will be set at the beginning of the tween.

Special mentions:

@irace
irace / CenteringView.swift
Last active November 29, 2017 19:31
I’m building a complex new app entirely with programmatic Auto Layout. It only supports iOS 9 so that means `UIStackView` and `NSLayoutAnchor` exclusively. These two classes have been very handy thus far, in the spirit of composition over inheritance.
final class CenteringView: UIView {
// MARK: - Initialization
init(contentView: UIView) {
super.init(frame: .zero)
addSubview(contentView)
contentView.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activateConstraints([
@knowbody
knowbody / RNfontWeights.js
Created July 14, 2016 13:42
React Native Font Weight Cheatsheet iOS
{ fontWeight: '100' }, // Thin
{ fontWeight: '200' }, // Ultra Light
{ fontWeight: '300' }, // Light
{ fontWeight: '400' }, // Regular
{ fontWeight: '500' }, // Medium
{ fontWeight: '600' }, // Semibold
{ fontWeight: '700' }, // Bold
{ fontWeight: '800' }, // Heavy
{ fontWeight: '900' }, // Black
@kitze
kitze / store.js
Created January 24, 2018 13:14
simplified redux
import produce from 'immer';
import {createStore} from 'redux';
const handleActions = (actionsMap, defaultState) => (
state = defaultState,
{type, payload}
) =>
produce(state, draft => {
const action = actionsMap[type];
action && action(draft, payload);
import type { LoaderFunction, ActionFunction } from "remix";
import { useLoaderData, useFetcher } from "remix";
import invariant from "tiny-invariant";
import cuid from "cuid";
import React from "react";
import type { Task, User } from "@prisma/client";
import { requireAuthSession } from "~/util/magic-auth";
import { ensureUserAccount } from "~/util/account";
import { placeCaretAtEnd } from "~/components/range";
import { getBacklog } from "~/models/backlog";
@intergalacticspacehighway
intergalacticspacehighway / PinchToZoom.tsx
Last active March 10, 2025 21:02
Pinch to zoom reanimated + gesture handler
import React, { useMemo, useState } from "react";
import { LayoutChangeEvent, StyleSheet } from "react-native";
import {
PinchGestureHandler,
PinchGestureHandlerGestureEvent,
} from "react-native-gesture-handler";
import Animated, {
useAnimatedGestureHandler,
useAnimatedStyle,
useSharedValue,