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tuhuynh27 / keva_replication_article.md
Last active May 30, 2022 09:52
Keva Replication Article
  • 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
tuhuynh27 / JSONPValidator.java
Created September 2, 2021 22:48
Validating JSONP callback function name in Java
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
tuhuynh27 / debt.json
Last active May 11, 2022 11:30
Tu's debt data
{"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
tuhuynh27 / mini-compiler.ts
Last active May 18, 2021 03:57
"Mini Compiler"
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) {
@tuhuynh27
tuhuynh27 / react-rendering.md
Last active December 3, 2024 14:24
A (Mostly) Complete Guide to React Rendering Behavior

Translated from https://blog.isquaredsoftware.com/2020/05/blogged-answers-a-mostly-complete-guide-to-react-rendering-behavior/, author: Mark Erikson (from Redux team)

A (Mostly) Complete Guide to React Rendering Behavior

Bài viết cung cấp chi tiết về cách mà React render hoạt động, và việc sử dụng Context và Redux ảnh hưởng thế nào tới quá trình render của React.

"Render" là gì

Rendering is the process of React asking your components to describe what they want their section of the UI to look like, now, based on the current combination of props and state.

@tuhuynh27
tuhuynh27 / Brewfile
Created October 26, 2020 04:03
Brewfile
tap "graalvm/tap"
tap "homebrew/bundle"
tap "homebrew/cask"
tap "homebrew/cask-fonts"
tap "homebrew/cask-versions"
tap "homebrew/core"
cask "adoptopenjdk8"
brew "autojump"
brew "cloc"
brew "deno"
@tuhuynh27
tuhuynh27 / time-calc.js
Created March 12, 2020 09:12
CFS Time Cost Calc
const axios = require('axios');
const token = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6Imh1eW5obWluaHR1ZnVAZ21haWwuY29tIiwibmlja25hbWUiOiJEYXJrbG9yZCIsImlhdCI6MTU4NDAwMTcxMCwiZXhwIjoxNTg0MDg4MTEwfQ.9FOV-LJMDuFfwFpQV3Kw1vXvK4alJnuzw9MLmA23HCg';
async function calAvgProcess(numberOfPosts, token) {
const { data } = await axios.get('https://api.fuhcm.com/api/v1/confessions?load=' + numberOfPosts, {
headers: {
'authorization': 'Bearer ' + token,
},
});
@tuhuynh27
tuhuynh27 / trua-nay-an-zi.go
Last active December 19, 2019 15:24
Trua nay an zi Slack - Run: brew install go && go run trua-nay-an-zi.go || go run trua-nay-an-zi.go
package main
import (
"bytes"
"container/list"
"encoding/json"
"errors"
"log"
"math/rand"
"net/http"
@tuhuynh27
tuhuynh27 / init.vim
Last active November 21, 2019 04:22
nvim
call plug#begin('~/.config/nvim/bundle')
Plug 'rking/ag.vim'
Plug 'ryanoasis/vim-devicons'
Plug 'herringtondarkholme/yats.vim'
Plug 'styled-components/vim-styled-components', { 'branch': 'main' }
Plug 'Yggdroot/indentLine'
"Plug 'yuttie/comfortable-motion.vim'
Plug 'scrooloose/nerdtree'
Plug 'alvan/vim-closetag'
Plug 'honza/vim-snippets'
import { db } from "@models";
async function pair() {
try {
const matchingCollection = db.collection("matchings");
const notMatchedArr = await matchingCollection
.find({
matched: false
})