In a recent project, we need to use Modbus RTU to communicate with PLC, and now we will use the process record for future reference.First, what is the Modbus communication protocolThe Modbus protocol is a common language applied to electronic
SqliteMainstream embedded relational database: Lightweight, cross-platform based C language, in iOS need to use the C language database operations using Dynamic Data types, even when the creation of a type defined, in the actual operation can also
Object-Oriented Programming, my thoughts
Preface:
This document aims to help my colleagues better understand object-oriented programming. This allows later users to take less detours, but many vulnerabilities and errors are inevitable. We also ask
Preface: The previous article introduced the next multi-threaded knowledge: C # Basic series-Multi-threading common use of the details, which refers to the delegate variable. This article briefly describes the use of the delegate. Of course, many of
Format 1: No parameters, no return value (no parameter returned)To add a function:/// ///summation method, no parameters, no return value/// Public voidLeijia () {//Accumulate sumConsole.Write ("Please enter a positive integer:");intA =int. Parse
Review:1. Better application conditionsWhen---while until---do--while a fixed number---for2. Nesting loopsLoop in the loop of the sleeveOuter walk once, inner layer walk all timesAs little as possible.Break3. Arraysint[] arr = new INT[4]; 0,0,0,0Int[
PHP constructor, destructor, and this keyword. I. what is constructor is a special method of the class, and its main function is to complete the initialization of the new object. features: 1. no return value. 2. when creating a new object. what is
The development of OOP programming in object-oriented programming 1, low maintenance workload for process reusability2, object-oriented reusability High Maintenance easyConcept 1, object objects A concrete thing is an instance of a class2,
Java Tour (vi)--single case design pattern, inheritance extends, aggregation relationship, child parent class variable relationship, Super, overlay
Java also more and more deep, everyone refueling it! Let's take a step
I. Single-CASE
Java BASICS (6) -- classes and objects, java beginners objects
I finally wrote the last knowledge point in the entry article. Classes and objects are two frequently-mentioned words in Java. classes can actually be seen as objects and define the
Python function (1): initial function, python function initial
After learning many basic python types, we can finally enter the next stage. Today we will enter a new world of functions.
Preview:
1. Write a function to calculate the numbers, letters,
1 What is a function1 Code snippets with specific functionality, that is, a piece of code that is combined to implement a function2 function has a name, call function by name3 functions: Avoid duplication of code, simplify programs, improve
Return is the main language of the regulars, basically have a return statement, then in Java, return what is the special place, let's analyze the next1, the function of the return statement: A, return a value, this value can be any type. B. Return
1. Create a razor inline function with no return value (but can output content directly)Must start with an @ sign, no return value, but can output content directly, such as:@helper showtitle (string strtitle) { if8) { @ (
Table of Contents: This article will be divided into three sections to explain the basic usage of block blocks, because I have limited level, deficiencies are still looking correct, thank you!First, the basic usage of block blocks:I believe everyone
Introduction
We can think of block as an anonymous function of objective-c. Block allows developers to pass arbitrary statements as data between two objects, often more intuitively than referencing functions defined elsewhere. In addition,
Method:in order to improve the reusability of code, it can be defined as a separate functionis composed of modifier, return value, method name, parameter list, method body five parts. 1* no parameter no return value:public class Test {//no
concurrency Programming knowledge in C #Continue to the film, do further analysis, this article if there is a problem in the language, can be ignoredThread section public class Testthread {public void Runthread () {//thread declaration
//function Basic DefinitionFunc function name (parameter name: argument type = default value)return value type {code block}//No parameter no return value functionfunc hsmin () {}//single parameter no return value functionfunc Prin (st:string)
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