I will keep this short and simple: Install MariaDB (client and server)
|
1 |
$ sudo pkg install mariadb106-client mariadb106-server |
Install seafile and seahub – you CANNOT do it via pkg because it depends on MySQL, which will conflict...
Hello Everyone, This is a mirror of the scalability series from http://www.lecloud.net/post/7295452622/scalability-for-dummies-part-1-clones onwards. There were 4 parts and they have been accessed from Internet Archive and presented below as is. Table of...
What is this book? Here is a brief by another reader of this gem. I got this book when my father bought its hardcover at a mela, back when USSR had just broken,...
Let me start with an example. Imagine if we wanted to pick a machine among a list of machines that is best suited to run a CPU-heavy process. It is actually a...
Vivek Agnihotri is known for making movies like Hate Story and Zid that rely on titillation to keep you engaged. So, I had very little hope of technical strengths in the new...
The Beginning Imagine you are an average guy who is interested in coding and building something great that solves someone’s problems. Imagine you are not really writing an interactive desktop program, but...
Multiple companies are selling RO (Reverse Osmosis) based water purifiers these days, and all of them will have some confusing diagram to accompany their product so that you are forced to call...
So you got yourself access to a Debian server (or virtual private server) and have logged into it by one way or the other. In this tutorial, we will learn how to...
A generic factory is a factory that can register any class type. It is very easy to write because we are allowed to use void pointers.
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 |
#include <functional> class Factory { public: Factory() {} ~Factory() {} void Register(const std::string _key, const std::function<void *()> _creator) { m_creators[_key] = _creator; } template<typename ClassType> ClassType* Get(const std::string _key) const { return static_cast<ClassType *>(m_creators.at(_key)()); } private: std::map<std::string, std::function<void *()> > m_creators; }; |
Usage:
|
1 2 3 4 5 6 7 8 9 |
int main() { Factory f; f.Register("Derived1", &BaseClass<Derived1>::CreateInterface); f.Register("Derived2", &BaseClass<Derived2>::CreateInterface); Derived1 *d1 = f.Get<Derived1>("Derived1"); Derived2 *d2 = f.Get<Derived2>("Derived2"); Derived1 *d2 = f.Get<Derived1>("Derived2"); // This also compiles!!! } |
As we are...
