Monatsarchiv: Oktober 2017

Manage resources by using smart pointer RAII objects

Erstellt am Oktober 29, 2017 von oliverfunke

A common way to create objects is by using a factory method or an abstract factory. Such a factory will normally create and return the object and handover the responsibility over the object to the client. Therefore the client has … Weiterlesen →

Veröffentlicht unter C++ | Kommentar hinterlassen

Virtual Destructor

Erstellt am Oktober 22, 2017 von oliverfunke

You may have heard the advice that a destructor should be declared as virtual in case you use the class as a base class. Within this article I want to show the technical background behind this advice and want to … Weiterlesen →

Veröffentlicht unter C++ | Kommentar hinterlassen

Virtual functions in ctor and dtor

Erstellt am Oktober 15, 2017 von oliverfunke

During construction and destruction of an object you are able to call virtual functions. But you should not do this. That’s because it is a source for errors as the behavior of the application may be differ from your expectations … Weiterlesen →

Veröffentlicht unter C++ | Kommentar hinterlassen

Design patterns: Strategy

Erstellt am Oktober 8, 2017 von oliverfunke

The strategy design pattern is used in case different algorithms are implemented and shall vary dynamically dependent on the use case. Very often, you can implement functionality in different ways. In most use cases you look at the pros and … Weiterlesen →

Veröffentlicht unter Design Pattern, Designprinzip, Uncategorized | Kommentar hinterlassen

Show costs of Quick & Dirty implementations

Erstellt am Oktober 1, 2017 von oliverfunke

I am sure you all know this issue: There are situations where you have to implement something in a quick & dirty manner. You know that this way of implementation is wrong. And you be afraid of or maybe know … Weiterlesen →

Veröffentlicht unter Projektleitung | Kommentar hinterlassen