Regular expressions are used for defining String patterns that can be used for searching, manipulating and editing a text.
Hypertext Transfer Protocol - No Data Encryption
The Hypertext Transfer Protocol (HTTP) is an application-level protocol
List, Set and Map interfaces
AOP aims at reducing the amount of "tangled" code by which we mean code that might be implemented in different classes if a OOP language is used but still share important secondary requirements. Such requirements are said to cross-cut the system's basic functionality and are difficult to develop and maintain using non-AOP programming paradigms. Cross-cutting functionality can be thought of as functionalty spanning many objects.
The Dependency Inversion Principle states that:
- High level modules should not depend upon low level modules. Both should depend upon abstractions.
- Abstractions should not depend upon details. Details should depend upon abstractions.
6 functions of dplyr package.
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