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extension Publisher {
    public func retryWhen<P>(
        _ handler: @escaping (AnyPublisher<Self.Failure, Never>) -> P
    ) -> Publishers.RetryWhen<Self, P>
        where P: Publisher, P.Failure == Self.Failure {
            Publishers.RetryWhen(source: self, handler: handler)
    }
}

extension Publishers {

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extension Publisher {
    func enumerated() -> AnyPublisher<(Int, Self.Output), Self.Failure> {
        scan(Optional<(Int, Self.Output)>.none) { acc, next in
            guard let acc = acc else { return (0, next) }
            return (acc.0 + 1, next)
        }
        .map { $0! }
        .eraseToAnyPublisher()
    }
}

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import Foundation
import Combine

enum ShareReplayScope {
    case forever
    case whileConnected
}

extension Publishers {
    final class ShareReplayScopePublisher<Upstream: Publisher>: Publisher {

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/**
 * Definition for a binary tree node.
 * public class TreeNode {
 *     public var val: Int
 *     public var left: TreeNode?
 *     public var right: TreeNode?
 *     public init(_ val: Int) {
 *         self.val = val
 *         self.left = nil
 *         self.right = nil

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/**
 * Rostyslav Kobyzskyi 
 * Unsigned Integer Utils
 */
private fun UByte.toByteArray() = toUInt().toByteArray(UByte.SIZE_BYTES)
private fun UShort.toByteArray() = toUInt().toByteArray(UShort.SIZE_BYTES)
private fun UInt.toByteArray() = toUInt().toByteArray(UInt.SIZE_BYTES)

private fun ByteArray.toUInt() = toUByteArray()
    .mapIndexed { index, uByte -> uByte.toUInt() shl (UByte.SIZE_BITS * (count() - index - 1)) }

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//
//  debounce-throttle.swift
//
//  Created by Simon Ljungberg on 19/12/16.
//  License: MIT
//

import Foundation

extension TimeInterval {

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//
//  CBLIncrementalStore.m
//  CBLIncrementalStore
//
//  Created by Christian Beer on 21.11.13.
//  Copyright (c) 2013 Christian Beer. All rights reserved.
//

#import "CBLIncrementalStore.h"

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Frontend Development

Attention: if you attempt to fork this gist, github will think that you are a spammer and you will have to confirm that you are human with them. Apparantly there are too many links in this list. Also I update it rather frequently (see revisions on the left), so it's probably wise to not fork it anyway.

• Guides
  • Hack Design
  • Designer School
  • TheExpressiveWeb
  • Talks To Help You Become A Better Front-End Engineer In 2013
• Web Development Teaching Materials

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Backend Development

• node.js
  • Installation paths: use one of these techniques to install node and npm without having to sudo.
  • Node.js HOWTO: Install Node+NPM as user (not root) under Unix OSes
  • Felix's Node.js Guide
  • Creating a REST API using Node.js, Express, and MongoDB
  • Node Cellar Sample Application with Backbone.js, Twitter Bootstrap, Node.js, Express, and MongoDB
  • JavaScript Event Loop
• Node.js for PHP programmers