plusangel

cmake_minimum_required(VERSION 3.16)
project(factory_methods)

set(CMAKE_CXX_STANDARD 17)
add_library(shape_factory shape_factory.cpp)

add_executable(factory_method main.cpp)
target_link_libraries(factory_method shape_factory)

plusangel

cmake_minimum_required(VERSION 3.16)
project(monostate_idiom)

set(CMAKE_CXX_STANDARD 17)
add_library(monostate monostate.cpp)

add_executable(monostate_idiom main.cpp)
target_link_libraries(monostate_idiom monostate)

plusangel

cmake_minimum_required(VERSION 3.16)
project(singleton_idiom)

set(CMAKE_CXX_STANDARD 17)
add_library(singleton singleton.cpp)

add_executable(singleton_idiom main.cpp)
target_link_libraries(singleton_idiom singleton)

plusangel

cmake_minimum_required(VERSION 3.16)
project(pimpl_idiom)

set(CMAKE_CXX_STANDARD 17)

add_library(timer timer.cpp)

add_executable(pimpl_idiom main.cpp)
target_link_libraries(pimpl_idiom timer)

plusangel

//
// Tell me about your birthday!
// Created by angelos on 03/05/2020.
//
#include <ctime>
#include <iostream>
#include <string_view>

int validate_input(int lower_limit, int upper_limit, std::string_view prompt);
void year(tm &birthday);

plusangel

#define CATCH_CONFIG_MAIN
#include "catch.hpp"
#include <boost/tokenizer.hpp>
#include <iostream>

using namespace std::literals::string_literals;

int basic_calc(const std::string &input) {

  boost::char_separator<char> operators{"+-*/"};

plusangel

cmake_minimum_required(VERSION 3.15)
project(sets)

set(CMAKE_CXX_STANDARD 17)

add_executable(sets sets.cpp)

plusangel

cmake_minimum_required(VERSION 3.0.0)

project(tcp_server VERSION 0.1
                   DESCRIPTION "Poco echo TCPServer")

set(CMAKE_CXX_STANDARD 17)

find_package(Poco REQUIRED Foundation Net)

# check if Poco library was found

plusangel

 def callback(self, image_msg):
        # convert a ROS image message into an cv::Mat using module cv_bridge
        cv_image = self._cv_bridge.imgmsg_to_cv2(image_msg, "bgr8")

        # copy from
        # classify_image.py
        # convert (encode) the image format into streaming data and assign it to 
        # memory cache. It is mainly used for compressing image data format to facilitate
        # network transmission
        image_data = cv2.imencode('.jpg', cv_image)[1].tostring()

plusangel

#include <iostream>

class Base {
public:
    virtual void function1() { std::cout << "Base::function1()" << std::endl; }
    virtual void function2() { std::cout << "Base::function2()" << std::endl; }
    virtual ~Base() { std::cout << "Base destructor" << std::endl; }
};

class Derived1 : public Base {