mingyang91

function testClosures() {
  "use strict";
  var result = [];
  for (var var_index = 0; var_index < 2; var_index++) {
    result.push(() => { return var_index; });
  }

  for (let let_index = 0; let_index < 2; let_index++) {
    result.push(() => { return let_index; });
  }

mingyang91

"use strict";

function next (str) {
  const charArr = str.split('');
  const charReverseArr = charArr.reverse();

  const inflectionIndex = charReverseArr.findIndex((element, index, array) => element < array[index - 1]);


  const right = charReverseArr.slice(0, inflectionIndex);

mingyang91

/**
 * 多项式相乘 [多项式1, 多项式2, 多项式3...]
 * 多项式 {次数1: 系数1, 次数2: 系数2, ...}
 */
var simplePolynomials = [
  {
    0: 1,
    1: 1,
    2: 1,
    3: 1,

mingyang91

#lang scheme
(define (square x) (* x x))

(define (gcd a b)
  (if (= 0 b)
      a
      (gcd b (remainder a b))))

(define (expmod base exp m)
  (cond ((= exp 0) 1)

mingyang91

#lang scheme
(define (average . numbers)  
    (/ (apply + numbers) (length numbers)))

(define tolerance 0.000001)

(define (fixed-point f first-guess)
  (define (close-enough? v1 v2)
    (< (abs (- v1 v2)) tolerance))
  (define (try guess)

mingyang91

#lang racket

(define variable? symbol?)

(define (same-variable? v1 v2)
  (and (variable? v1) (variable? v2) (eq? v1 v2)))

(define (=number? exp num)
  (and (number? exp) (= exp num)))

mingyang91

前端工程师－开放性笔试

1. JavaScript

以下问题必答。

• 请优化这段代码，提高可读性
• 请给出这段代码的运行结果，并解释为什么
• 请实现下段代码 JavaScript版 | TypeScript版

mingyang91

Keybase proof

I hereby claim:

• I am mingyang91 on github.
• I am famer (https://keybase.io/famer) on keybase.
• I have a public key ASAcRGRvhvMiRo4EgLphpfDpKuYzf6vEdGhR6TOw1igV6go

To claim this, I am signing this object:

mingyang91

λ curl -X POST \
  http://chouun.nadileaf.com/api/open-candidates/ \
  -H 'authorization: Bearer <TOKEN>' \
  -H 'cache-control: no-cache' \
  -H 'content-type: application/json' \
  -H 'postman-token: 1c12fc65-c157-49c7-d9d4-d2ad10832c53' \
  -d '
{
   "openid": "b39fe420-d67e-11e7-a5de-0250bbe96648",
   "industry":"互联网",

mingyang91

// utils
class FromJsonQueryStringBindable[T] ()(implicit decoder: Decoder[T],
                                        encoder: Encoder[T]) extends QueryStringBindable[T] {
  implicit val binder: QueryStringBindable[Json] = JsonQueryStringBindable
  override def bind(key: String, params: Map[String, Seq[String]]): Option[Either[String, T]] =
    binder.bind(key, params).map(_.flatMap(_.as[T].left.map(_.message)))

  override def unbind(key: String, value: T): String = s"$key=${value.asJson}"
}