JackyYin’s gists

JackyYin / sort.c

Created December 14, 2020 03:39

5 sorting algorithems includes bubble sort, selection sort, insertion sort, merge sort and quick sort

	#include <stdio.h>
	#include <stddef.h>
	#include <stdlib.h>
	#include <string.h>

	void _swap (int *arr, size_t i, size_t j) {
	int tmp = arr[i];
	arr[i] = arr[j];
	arr[j] = tmp;
	}

JackyYin / docker-compose.yml

Created December 23, 2019 07:34

docker-compose for local mongoDB

	version: '3.5'

	services:
	mongo:
	image: mongo
	ports:
	- '27017:27017'
	environment:
	MONGO_INITDB_ROOT_USERNAME: root
	MONGO_INITDB_ROOT_PASSWORD: root

JackyYin / jwt.js

Created August 6, 2019 15:54

a JWT factory with blacklist and refresh function

	const jwt = require('jsonwebtoken');

	module.exports = (redisC) => {
	const secret = process.env.JWT_SECRET;
	const accessExpiresIn = 60 * 15;
	const refreshExpiresIn = 60 * 60;

	const sign = ({ payload = {}, options = {}, type = 'access' }) => {
	payload = {...payload, type};
	options = options.expiresIn ? options : {

JackyYin / sequential-promise.js

Last active August 2, 2019 01:26

Imagine we have an array of 10000 promises, how do we process them one by one ?

	// Imagine we have an array of 10000 promises,
	// How do we process them one by one ?
	// Here is a general version g and a recursive version r

	let input = [];

	for (let i = 1; i <= 10000; i++) {
	input.push(Promise.resolve(i));
	}

JackyYin / ldap.js

Created July 22, 2019 01:06

a node.js ldap service use IIFE implementation

	const ldapjs = require('ldapjs');

	const url = process.env.LDAP_URL;
	const LDAP_BIND_DN = process.env.LDAP_BIND_DN;
	const LDAP_BIND_PWD = process.env.LDAP_BIND_PWD;
	const SEARCH_DN = process.env.SEARCH_DN;

	module.exports = (() => {
	let client;

JackyYin / gb.sh

Created July 22, 2019 00:58

parse my git branch

JackyYin / fibonacci.js

Created July 10, 2019 06:44

recursion v.s. iteration

	const recursion = n => {
	if (n === 0) return 0;
	if (n === 1) return 1;

	return recursion(n - 1) + recursion(n - 2);
	};

	const iteration = n => {
	if (n === 0) return 0;
	if (n === 1) return 1;

JackyYin / object.js

Created June 26, 2019 05:47

測試javascript複製object的行為

	// ref:
	// https://developer.mozilla.org/zh-TW/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
	// https://medium.com/@jobboy0101/js%E5%9F%BA%E7%A4%8E-primitive-type-v-s-object-types-f88f7c16f225

	let a = {
	pro1: 'aaa',
	pro2: {
	pro22: 'aaaa'
	}
	};

JackyYin / docker-clean.sh

Last active April 10, 2019 03:59

檢查硬碟空間, 並清除prometheus docker volume

	#!/bin/bash

	usage()
	{
	echo ""
	echo "Usage: $0 [ -d ][ -p ] "
	echo -e "\t-d desired docker disk path"
	echo -e "\t-p desired project path"
	}

JackyYin / .zshrc

Last active April 25, 2024 09:25

	# Enable Powerlevel10k instant prompt. Should stay close to the top of ~/.zshrc.
	# Initialization code that may require console input (password prompts, [y/n]
	# confirmations, etc.) must go above this block; everything else may go below.
	if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then
	source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh"
	fi

	# If you come from bash you might have to change your $PATH.
	# export PATH=$HOME/bin:/usr/local/bin:$PATH

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