sindresorhus

// Depends on https://github.com/sindresorhus/Defaults
@available(macOS 10.15, *)
private struct ShowForAppRuns: ViewModifier {
	private static var runCounts = [String: Int]()

	private let count: Int
	private let startShowingFromAppRun: Int
	private let runCount: Int

	init(count: Int, id: String, startShowingFromAppRun: Int = 1) {

sindresorhus

'use strict';

const puppeteer = require('puppeteer');

(async () => {
    /* PRECONDITION:
    0. download ublock, I used https://github.com/gorhill/uBlock/releases/download/1.14.19b5/uBlock0.chromium.zip
    1. run $PATH_TO_CHROME --user-data-dir=/some/empty/directory --load-extension=/location/of/ublock
    2. enable block lists you want to use
    */

sindresorhus

libdispatch efficiency tips

I suspect most developers are using the libdispatch inefficiently due to the way it was presented to us at the time it was introduced and for many years after that, and due to the confusing documentation and API. I realized this after reading the 'concurrency' discussion on the swift-evolution mailing-list, in particular the messages from Pierre Habouzit (who is the libdispatch maintainer at Apple) are quite enlightening (and you can also find many tweets from him on the subject).

• https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20170828/date.html
• https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20170904/date.html

My take-aways are:

• You should have very few queues that target the global pool. If all these queues are active at once, you will get as many threads running. These queues should be seen as execution contexts in the program (gui, storage, background work, ...) that benefit from executing in parallel.

sindresorhus

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sindresorhus

Keybase proof

I hereby claim:

• I am sindresorhus on github.
• I am sindresorhus (https://keybase.io/sindresorhus) on keybase.
• I have a public key whose fingerprint is 9167 E91F 3DA4 65D0 020A 48B3 5A35 FFDB 8B07 983A

To claim this, I am signing this object:

sindresorhus

The following npm packages are just stolen from mine:

https://gitlab.com/yoginth/is-flag Code from: https://github.com/sindresorhus/has-flag

https://gitlab.com/yoginth/prfy Code from: https://github.com/sindresorhus/pify

https://gitlab.com/yoginth/mimic-func Code from: https://github.com/sindresorhus/mimic-fn

sindresorhus

/// Types that can be initialized without any parameters
protocol EmptyInitializable {
	init()
}

extension Int: EmptyInitializable {}
extension Int8: EmptyInitializable {}
extension Int16: EmptyInitializable {}
extension Int32: EmptyInitializable {}
extension Int64: EmptyInitializable {}

sindresorhus

public protocol Dividable {
    static func / (lhs: Self, rhs: Self) -> Self
}

extension Int : Dividable {}
extension Double : Dividable {}

extension Sequence where Element : Numeric & Dividable {
    func average() -> Element {
        var i: Element = 0

sindresorhus

extension Sequence where Element: ExpressibleByIntegerLiteral  {
	private func abstractAverage<T>(sum: (T, T) -> T, div: (T, T) -> T) -> T where Element == T  {
		var i: T = 0
		var total: T = 0

		for value in self {
			total = sum(total, value)
			i = sum(i, 1)
		}

sindresorhus

class SelectorWrapper<T> {
	let selector: Selector
	let closure: (T) -> Void

	init(withClosure closure: @escaping (T) -> Void) {
		self.selector = #selector(callClosure)
		self.closure = closure
	}

	@objc