OS Background Knowledge
All backgroud information needed for learning OS. Will be updated countineously.
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Initiation is the first phase of a project management, so it is quite important to get initiation right.
All backgroud information needed for learning OS. Will be updated countineously.
Initiation is the first phase of a project management, so it is quite important to get initiation right.
Tachnology take 33% of the exam, which has the most percentage.
In all operating system, Process(进程) and Thread(线程) are important concept. Process is an execution of a program.
Billing take 18% of the total exam. However, there are many aspects can appear in the exam. Since this part mainly relies on memory, it is important to understand every concept of billing in the AWS webpage.
AWS Cetified Cloud Practitioner only require fundationa knowledge in AWS. It focus on blling and business-vertric concepts.
According to Head First: Design Pattern, the defition of strategy pattern (策略模式) is
family of algorithms, encapsulated each one, and makes them interchangeable. Strategy lets the algorithm vary independently from cloents that use it.
Basic life cycle knowledge in project management
Inheritance is an importance concept in OOP. This article is based on Java Object-oriented Programming.
It is quite normal to be ask “What is OOP” in the interview.
According to its definition in Wikipedia
Object-oriented programming (OOP) is a programming paradigm based on the concept of “objects”, which can contain data and code: data in the form of fields (often known as attributes or properties), and code, in the form of procedures (often known as methods).