tuhuynh27

import Cocoa
import SwiftUI

class StatusBarController {
    private var statusItem: NSStatusItem?
    private var btcPrice: String = "Loading..."
    private let binanceAPIURL = URL(string: "https://api.binance.com/api/v3/ticker/price?symbol=BTCUSDT")!

    init() {
        let statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)

tuhuynh27

Hướng Dẫn Xin Visa Du Lịch từ Singapore

Chuẩn Bị Hồ Sơ

Khi bạn chuẩn bị hồ sơ xin visa du lịch từ Singapore, đảm bảo rằng bạn đã có đầy đủ các giấy tờ sau:

• Hình thẻ (passport size)
• Bank statement (3-6 tháng, download từ ibanking)
• Payslips
• Company letter (nếu không đi làm thì spouse's company letter, spouse's passport & marriage cert)

tuhuynh27

const fromCurrency = searchParams.get('from') || 'SGD';
    const toCurrency = searchParams.get('to') || 'VND';
    let response;
    async function getRate(fromCurrency, toCurrency) {
      // Fetch the exchange rate from Wise
      response = await fetch(`https://wise.com/gb/currency-converter/${fromCurrency.toLowerCase()}-to-${toCurrency.toLowerCase()}-rate?amount=1`);

      // Extract the exchange rate from the response
      const html = await response.text();

tuhuynh27

                                 +-----------------------------------------------------+
                                 |             Monitoring System(s)                    |
                                 |                                                     |
                                 |  +------------+  +------------+   +-------------+   |
                                 |  |  Grafana   |  | Prometheus |   |   Jenkins   |   |
                                 |  +------------+  +------------+   +-------------+   |
                                 |                                                     |
                                 |   Detects and generates alert messages              |
                                 +-----------------------------------------------------+

|

tuhuynh27

function extractPrice(priceStr) {
  const priceOne = priceStr.slice(0, -2)
  const priceTwo = priceStr.slice(-2)
  return parseFloat(priceOne + '.' + priceTwo)
}

function extractDayMonthYearFromString(str) {
  const [day, month, year] = str.split('-')
  return { day, month, year }
}

tuhuynh27

Coding exercise

Algorithm & Data Structure

• https://leetcode.com/problems/two-sum/ (Easy)
• https://leetcode.com/problems/contains-duplicate/ (Easy)
• https://leetcode.com/problems/design-browser-history/ (Medium)
• https://leetcode.com/problems/top-k-frequent-elements/ (Medium)
• https://leetcode.com/problems/word-break/ (Medium)
• https://leetcode.com/problems/merge-intervals/ (Medium)

tuhuynh27

• Background
  • What is replication and why we need it
    • Replication definition
    • How it helps
  • Master slave architecture
    • Overview
    • Why we use it? -> HA, scale read performance, simpler than multi read multi write
• Master slave replication
  • A simplistic approach
• List steps:

tuhuynh27

package com.tuhuynh.tradebot;

import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.regex.Pattern;

public class Main {
    private static final Map<String, Boolean> testMap = new HashMap<>();

tuhuynh27

{"debt":-0.004999999999881766,"logs":[{"date":"11/04/2021 11:46:55","num":-3.6,"reason":"cơm trưa","reporter":"Tú"},{"date":"11/02/2021 12:19:00","num":-4.8,"reason":"cơm trưa dbrr","reporter":"Tú"},{"date":"11/01/2021 22:35:10","num":6.5,"reason":"cơm trưa + vim","reporter":"Lâm"},{"date":"11/01/2021 20:54:40","num":1257.45,"reason":"tiền nhà","reporter":"Lâm"},{"date":"11/01/2021 20:51:51","num":-1278.5,"reason":"tiền nhà tháng 11","reporter":"Tú"},{"date":"10/31/2021 16:28:00","num":7.1,"reason":"cơm chiên","reporter":"Lâm"},{"date":"10/29/2021 19:56:42","num":-8.5,"reason":"cơm tối ấn đụ","reporter":"Tú"},{"date":"10/29/2021 17:58:38","num":7.1,"reason":"cơm sườn","reporter":"Lâm"},{"date":"10/29/2021 12:58:16","num":4.5,"reason":"cơm trưa hqua","reporter":"Lâm"},{"date":"10/26/2021 20:59:51","num":-12,"reason":"cơm tối","reporter":"Tú"},{"date":"10/26/2021 12:12:41","num":-4.8,"reason":"cơm trưa dbrr","reporter":"Tú"},{"date":"10/25/2021 11:30:20","num":8.1,"reason":"cơm trưa","reporter":"Lâm"},{"date":"

tuhuynh27

const operators = ['=', '+', '-', '*', '/', '>', '<', '>=', '<=', '==', '!=']

function isOp(v: string) {
  for (let i = 0; i < operators.length; i++) {
    if (operators[i] == v) return true
  }
  return false
}

function isNum(v: any) {