NamNV609 namnv609

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founder of PHP.Onl

namnv609 / decrypt_session_cookie.rb

Created June 1, 2020 04:25

Decrypt session cookie content in Rails

	def decrypt_cookie cookie_value, secret_key_base = nil
	key_generator = if secret_key_base
	ActiveSupport::KeyGenerator.new secret_key_base, iterations: 1000
	else
	Rails.application.key_generator
	end
	secret = key_generator.generate_key Rails.application.config.action_dispatch.encrypted_cookie_salt
	salt = key_generator.generate_key Rails.application.config.action_dispatch.encrypted_signed_cookie_salt
	encryptor = ActiveSupport::MessageEncryptor.new secret.first(32), salt, serializer: JSON

namnv609 / gist:0ca74524b615a5d3d5c9e7cb0daad91e

Created May 27, 2020 08:08

Git list branch with sort and commit date

git for-each-ref --sort='-committerdate' --format='%(committerdate) -/- %(objectname:short) -/- %(refname:short) -/- %(subject)' refs/heads

namnv609 / dynamic_create_class_struct.rb

Created May 22, 2020 09:54

Dynamic create Struct class in Ruby (pure)

namnv609 / solar_lunar_converter.dart

Last active July 20, 2021 06:52

[Dart] Solar to Lunar Converter

	class LunarDate {
	final int year;
	final int month;
	final int day;
	final int leapMonth;
	final bool isLeapYear;

	/// Constructs a [LunarDate] instance.
	LunarDate(this.year, this.month, this.day, [this.isLeapYear = false, this.leapMonth = 0]);

namnv609 / ip_detail.dart

Created November 15, 2019 07:30

[Flutter][Simple app] hosts management GUI

	import 'package:flutter/material.dart';

	class IpDetail extends StatelessWidget {
	final String ipAddr;
	final List<String> ipDomains;

	IpDetail(this.ipAddr, this.ipDomains);

	@override
	Widget build(BuildContext context) {

namnv609 / memory-log

Last active September 18, 2019 03:51

Log memory to CSV. View chart from log output at: https://codepen.io/namnv609/full/xxKybdW

	#!/usr/bin/env bash

	function get_time_format() {
	time_str_formatted=$(TZ="Asia/Tokyo" date +"$1")

	echo "$time_str_formatted"
	}

	function init_log_file() {
	if [[ ! -f "$1" ]]; then

namnv609 / processes-check.sh

Created January 7, 2019 07:10

Processess check and alarm

	#!/usr/bin/env bash

	sidekiqProcessNumber=$(ps ax \| grep -i [s]idekiq \| wc -l)
	pumaProcessNumber=$(ps ax \| grep -i [p]uma \| wc -l)

	function pushWarningMessage()
	{
	serverIP=$(hostname -i)
	jpTime=$(TZ=":Asia/Tokyo" date +"%Y/%m/%d %H:%M:%S")
	vnTime=$(TZ=":Asia/Ho_Chi_Minh" date +"%Y/%m/%d %H:%M:%S")

namnv609 / bai-toan-ga-cho.pas

Created December 25, 2018 00:42

Bài toán gà chó bằng Pascal

	program gaCho;

	uses
	crt;

	var
	chanGa, chanCho, soGa, soCho, i: integer;
	begin
	clrscr;
	soCho := 0;

namnv609 / inexpress360-detail.rb

Created October 24, 2018 01:15

InExpress360.com crawler

	# encoding: UTF-8

	require "nokogiri"
	require "open-uri"
	require "terminal-table"
	require "csv"

	table_headings = ["STT", "Mã BC", "Tên Bưu cục", "BC cấp", "Địa chỉ", "Điện thoại"]
	province = ARGV[0]
	document = Nokogiri::HTML(open("https://inxpress360.com/ma-buu-dien-#{province}/"))

namnv609 / devvui-fb.rb

Created September 10, 2018 02:35

Simple crawler for DevVui fb fanpage

	require "unirest"
	require "nokogiri"
	require "pry"

	fb_url = "https://m.facebook.com/devvui/"
	ua = "Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; WebView/3.0; NOKIA; Lumia 730 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) coc_coc_browser/55.100.7 Chrome/48.0.2564.82 Mobile Safari/537.36 Edge/14.14361"

	html = Unirest.get fb_url, headers: {"User-Agent": ua}
	doc = Nokogiri::HTML html.body