The Singleton design pattern comes under the creational pattern type.It is one of the most simple design pattern in terms of the modelling but on the other hand this is one of t...
Sometimes, when building a web application in Django, one needs to connect to a legacy database whose tables already exist. To support this use case, Django has the concept of "...
Memory Optimizations The space used by the implementation described above can be optimized in two complementary ways. First, if the interface type involved is empty—it has no m...