licaomeng

My Solution

function format1(inputString) {
    // String slicing approach
    return inputString.slice(0, 4) + 'Y' +
        inputString.slice(4, 6) + 'M' +
        inputString.slice(6, 8) + 'D ' +
        inputString.slice(8, 10) + ':' +
        inputString.slice(10, 12) + ':' +
        inputString.slice(12, 14);

licaomeng

function skipOne(): Promise<void> {
  return new Promise(((resolve, reject) => {
    setTimeout(resolve, 0)
  }))
}

export class TaskManagerPromise<T> extends Promise<T> {

licaomeng

System Design interview - Frontend

Sections to cover in the design:

1. General reqs
   Who is the customer?
   How and why they gonna use it?
   Are they all from one country or from all over the world?
   What are they using now to solve the problem?
   How many customers we are expecting with simultanious interactions?

licaomeng

Callback

function loadScript(src) {
  // creates a <script> tag and append it to the page
  // this causes the script with given src to start loading and run when complete
  let script = document.createElement('script');
  script.src = src;
  document.head.append(script);
}

licaomeng

The Job Interview Guide 💼

And English is a Work in Progress ⌛

licaomeng

def summmaryranges(nums):
    ranges = []
    for num in nums:
        if not ranges or num - ranges[-1][-1] > 1:
            ranges.append([])
        ranges[-1][1:] = [num]
    return ['->'.join(map(str, r)) for r in ranges]

def reverse(l, r, cl):
    while l < r:

licaomeng

'''
moving avg，就是一个stream输入，
给一个int getNow()API获取当前timestamp，
完成两个函数void record(int value)和double getAvg()，
有输入时会自动call record，然后call getAvg()时返回5分钟内的平均值。 
getMedium -> quick select
'''

from collections import deque

licaomeng

// Algorithm from http://csis.pace.edu/~wolf/CS122/infix-postfix.htm
function infixToPostfix(exp) {
  const infix = exp.match(/(\*\*)|[\+\-\*\/\%\(\)]|([0-9]+([\.][0-9]+)?)/g);
  const presedences = ['-', '+', '**', '*', '/', '%'];

  let opsStack = [];
  let postfix = [];

  for (let token of infix) {
    // 1. Print operands as they arrive.

licaomeng

yum install -y m2crypto python-setuptools
yum install -y python-pip
pip install shadowsocks
vim /etc/shadowsocks.json
{
"server":"0.0.0.0",
"server_port":8388,
"local_port":1080,
"password":"passwd",
"timeout":600,

licaomeng

#!/usr/bin/env bash
set -e

# allow being run from somewhere other than the git rootdir
gitroot=$(git rev-parse --show-cdup)

# default gitroot to . if we're already at the rootdir
gitroot=${gitroot:-.};

nm_bin=$gitroot/node_modules/.bin