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Customer information relationship system Project demand analysis 1) simulate the realization of customer information management software based on text interface. 2) the software can insert, modify and delete customer objects (realized by slicing), and print customer list Interface design of the project See the running result of the code Project ...

Household Accounting Software Project Project Requirements Description 1) Simulate the implementation of Home Accounting Software based on text interface 2) The software can record household income and expenditure, and print detailed income and expenditure table Project interface See the code effect Project Code Implementation Implement basic f ...

Object-Oriented Programming Ideas-Abstraction An Abstract introduction When we define a structure earlier, we are actually extracting the common attributes (fields) and behaviors (methods) of a class of things. Form a physical model (structure).This method of studying problems is called abstraction For example, a bank account: package main imp ...

brief introduction Build in docker Integrated in docker compose Using nginx reverse proxy Modify API Create nginx service Update database start-up summary Code of current part brief introduction At the end of the day, the tests and documentation are complete, leaving deployment alone In normal tests, you can run it directly with go run, b ...

Main process implementation of Gin routing After the previous learning notes, we have known the main process of Gin router. But we can see that the code and method body are very long, most of them are the judgment of parameter routing. These scattered little logic, let us read the source code more difficult to understand some. But in fact, the ...

Today, I'd like to introduce an interesting codeThe picture is generated into a pattern of text. Have you seen the GIF of dancing sister composed of those words in station B? With this code you can do it yourself. GIF, I'm too lazy to do it. As a back-end programmer, I'm not very patient with frame by frame screenshots. You can see the effect o ...

Personal homepage Multiple assignments of Golang can be used for value exchange operations The two values can be easily exchanged as follows: a, b = b, a The four values can also be exchanged as follows a, b, c, d = b, c, a, d So how is this exchange bottom implemented?Let's do an experiment and look at the assembly code of this four value exch ...

I. anomalies 1. Error refers to the abnormal situation in the program, which causes the program to fail to execute normally.• try... catch... finally statements are used in most languages.Suppose we are trying to open a file that does not exist in the file system. This is an exception, which is represented as an error.2. There is no try.. ...

Topology diagram of sync.Map Some key points to understand the diagram var expunged = unsafe.Pointer(new(interface{})) type Map struct type readOnly struct type entry struct func (m *Map) Load(key interface{}) (value interface{}, ok bool) func (m *Map) Store(key, value interface{}) func (m *Map) Delete(key interface{}) func (m *Map) Range(f f ...

A program is a world with many objects (variables) Description of object-oriented programming in Golang 1) Golang also supports object-oriented programming (OOP), but it is different from traditional object-oriented programming, and it is not a pure pair oriented programming Like language. So we say that it is more accurate for Golang to suppor ...