sh0seo

//
#ifndef Engine_h
#define Engine_h

// #include <memory>

namespace {
    class Engine {
    public:
        Engine();

sh0seo

#include <string>
#include <boost/property_tree/xml_parser.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/foreach.hpp>
 
const std::string XML_PATH1 = "./test1.xml";
 
int main()
{
    boost::property_tree::ptree pt1;

sh0seo

#include <boost/regex.hpp>
#include <string>
#include <iostream>

int main()
{
  std::string s = "Boost Libraries";
  boost::regex expr{"\\w+\\s\\w+"};
  std::cout << std::boolalpha << boost::regex_match(s, expr) << '\n';
}

sh0seo

#include <boost/regex.hpp>
#include <string>
#include <iostream>

int main()
{
  std::string s = "Boost Libraries";
  boost::regex expr{"(\\w+)\\s(\\w+)"};
  boost::smatch what;
  if (boost::regex_search(s, what, expr))

sh0seo

#include <boost/regex.hpp>
#include <string>
#include <iostream>

int main()
{
  std::string s = " Boost Libraries ";
  boost::regex expr{"\\s"};
  std::string fmt{"_"};
  std::cout << boost::regex_replace(s, expr, fmt) << '\n';

sh0seo

#include <boost/regex.hpp>
#include <string>
#include <iostream>

int main()
{
  std::string s = "Boost Libraries";
  boost::regex expr{"(\\w)\\w+"};
  boost::regex_token_iterator<std::string::iterator> it{s.begin(), s.end(),
    expr, 1};

sh0seo

class BasicSingleton
{
public:
    static BasicSingleton& getInstance();
    
private:
    BasicSingleton() {};
    BasicSingleton(const BasicSingleton& other);
    static BasicSingleton instance;
};

sh0seo

class DynamicSingleton
{
private:
    DynamicSingleton() {};
    DynamicSingleton(const DynamicSingleton& other);
    ~DynamicSingleton() {};
 
    static DynamicSingleton* instance;
 
public:

sh0seo

template < typename T >
class TemplateSingleton
{
public:
    static T * GetInstance()
    {
        if (instance_ == NULL)
        {
            instance_ = new T;
        }

sh0seo

class DynamicSingleton
{
public:
    static DynamicSingleton* GetInstance()
    {
        if (instance_ == NULL)
        { 
            instance_ = new DynamicSingleton();
        }
        return instance_;