jingzhehu

#NoEnv  ; Recommended for performance and compatibility with future AutoHotkey releases.
#Warn  ; Enable warnings to assist with detecting common errors.
SendMode Input  ; Recommended for new scripts due to its superior speed and reliability.
SetWorkingDir %A_ScriptDir%  ; Ensures a consistent starting directory

; Make Ctrl + S work with cmd (windows) key
#s::
    Send,^s
Return

jingzhehu

func delay(_ delay: Double, closure: @escaping () -> ()) {
    let when = DispatchTime.now() + delay
    DispatchQueue.main.asyncAfter(deadline: when, execute: closure)
}

jingzhehu

extension Array {
    func chunked(into size: Int) -> [[Element]] {
        return stride(from: 0, to: count, by: size).map { Array(self[$0..<Swift.min($0 + size, count)]) }
    }
}

jingzhehu

'''
usage:
	path_name = "some_image_file.jpg"
	meta_data =  ImageMetaData(path_name)
    latlng =meta_data.get_lat_lng()       // result is converted from DMS to DD

source: https://www.codingforentrepreneurs.com/blog/extract-gps-exif-images-python/
'''

from PIL import Image

jingzhehu

    @IBOutlet weak var scrollView: UIScrollView!
    
    func registerForKeyboardNotifications() {
        NotificationCenter.default.addObserver(self, selector: #selector(keyboardWasShown(_:)), name: .UIKeyboardDidShow, object: nil)
        
        NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillBeHidden(_:)), name: .UIKeyboardWillHide, object: nil)
    }
    
    @IBAction func keyboardWasShown(_ notification: NSNotification) {
        guard let userInfo = notification.userInfo,

jingzhehu

// item 11: mark function as delete
class Widget {
 public:

  Widget(const Widget&) = delete; // delete copy ctor
  Widget& operator=(const Widget& rhs)= delete; // delete copy=

  template<typename T>
  void process_pointer(T* ptr) {}

jingzhehu

// item 10 - enum class
#include <iostream>
#include <string>
#include <thread>
#include <array>

template<typename E>
constexpr auto toUType(E enumerator) noexcept {
  return static_cast<std::underlying_type_t<E>>(enumerator);
};

jingzhehu

#include <random>

decltype(auto) generate_id(){
  std::string id("ID"); // Holds the ID, starting with the characters "ID" followed
  std::uniform_int_distribution<int> dist(0, 10000); // by a random integer in the range [0-10000].
  std::random_device rd;
  std::mt19937 engine(rd());

  id += std::to_string(dist(engine));

jingzhehu

#include <iostream>
#include <boost/type_index.hpp>
#define PRINT_TYPE(param) std::cout << boost::typeindex::type_id_with_cvr<decltype(param)>().pretty_name() << std::endl;
#define PRINT_TYPE_T(T) std::cout << "param type is: " << boost::typeindex::type_id_with_cvr<T>().pretty_name() << std::endl;

jingzhehu

import shlex
import subprocess

def bash_cmd(command):
    return subprocess.check_output(shlex.split(command))