understanding macd

Deep understanding of OOP (2): Polymorphism and inheritance (inheritance), deep understanding of oop This article is the second article of OOP, mainly about inheritance. Deep understanding of OOP (1): Polymorphism and inheritance (polymorphism during initial binding and compilation) Deep understanding of OOP (2): Po

Deep understanding of OOP (first day): Polymorphism and inheritance (initial binding and compilation polymorphism), deep understanding of oop In this series, we mainly use the popular OOP blogs on CodeProject to provide in-depth and simple presentation of OOP.As a master of software design or a cainiao, architecture design requires many restructures and trade-offs to facilitate the healthy construction of t

following on the personal understanding and views of nonsense a few words, please criticize corrected, thank you! The working principle of an exception, where there is a problem, immediately stop the current work, turn to exception handling code, if you can not find the exception handling code, to meet the exception to a report, the last layer received an exception will do the same thing, to the exception handling code, or the exception to report up

An in-depth understanding of the sequence of the javascript series, an in-depth understanding of javascript Starting from today, the bloggers will conduct in-depth understanding and analysis of javascript and organize some of their learned knowledge into blog posts for everyone to learn and discuss together. If you have any questions or suggestions, contact the

In the previous article, we discussed what a schema is. In fact, these basic concepts are very important for architecture, and most people think they are aware of the concepts they are accustomed to every day, but in fact they are subconscious and not active. For example, "What is a table?" "When I do training, I often take this example to ask you, answer all sorts of strange things." This actually led to the structure of the time, the different roles of communication will be a lot of problems,

capital other than the first letter of each word capitalized)Underline (separated by _ between each word)Note: Single-line comments with #Multi-line comment with "' annotated content '," "" Annotated Content ""Basic types of Python:1.int (integer) can be +-*/2.str (String) can be + (splicing) * (repeat). BOOL (Boolean) True and FalseUser interaction: Input ("prompt")User content can be entered directlyIf statementSyntax 1If condition:code blockElsecode blockSyntax 2If condition:code blockElifco

Understanding of control inversion in asp.net, and understanding of asp.net Inversion IOC is interpreted as: "Inversion of control is a common characteristic of frameworks, so saying that these lightweight containers are special because they use inversion of control is like saying my car is special because it has wheels." I want to explain this concept one by one to facilitate my

Second, understanding database three paradigm, understanding database paradigm Understanding the database paradigm is of great help to design a rational database. Based on my understanding of the database paradigm and specific examples, this article attempts to understand the three paradigm of the database in plain and

This is the third article in the Business Guide series of the Project Manager. (1) preface and project nature; (2) Recognition of responsibilities; (3) Understanding of customers; (4) Understanding of negotiations; (5) Understanding of project progress; (6) Understanding of remittance; (7: push the project to an unbeat

A deep understanding of the scope of this in Javascript and a deep understanding of javascript This guy often gets dizzy when using Javascript. For most developers with OOP development experience, this is the identifier that references common elements in the current scope, but in Javascript it looks strange, because it is not fixed, it changes with the change of its execution environment. In Javascript, thi

professional literature is very abstract and difficult to read. My understanding is that closures are functions that can read other functions ' internal variables.Because in the JavaScript language, only sub-functions inside the function can read local variables, it is possible to simply interpret the closure as "a function defined inside a function".So, in essence, a closure is a bridge that connects the inside of the function to the outside of the

Deep understanding of the internal structure of PHP kernel (5) functions, and deep understanding of the internal structure. Deep understanding of the internal structure of PHP kernel (5) functions, deep understanding of the internal structure of php functions including user-defined functions, internal functions (print_