• The story of OC and Smalltalk


    Give you c language, how to realize an Objective-C? How deep an OC programmer’s internal skill is depends on the ability of the programmer to“Give you c language, how to realize an Objective-C?”How far is the answer to this question. Yes, OC is a superset of C, and why does it involve smalktalk, a language […]

  • C + + learning notes – Introduction to C + +


    course:https://www.runoob.com/cplusplus/cpp-intro.html Introduction: C + + is a static, compiled, general, case sensitive and irregular programming language, which supports procedural programming, object-oriented programming and generic programming. C + + is considered as an intermediate language, which combines the characteristics of high-level language and low-level language. C + + was designed and developed by Bjarne Stroustrup in […]

  • Introduction to Python development


    Introduction to Python development Python history    Python was developed by Guido van Rossum in the late 1980s and early 1990s in the National Mathematics and computer science department of the NetherlandsIt was designed by the Academy of Sciences. Python itself has evolved from many other languages, including ABC, Modula-3, C, C + +Algol-68, Smalltalk, […]

  • Analysis of the implementation of properties and class constants in PHP object oriented programming


    In this paper, an example of PHP object-oriented programming such as properties and class constants. The details are as follows: Properties Class variable members are called “attributes”, or “fields” and “features”, which are collectively called “attributes” in this document. Attribute declaration starts with the keywords public, protected or private, followed by a common variable declaration. […]

  • Orm of two semi finished products


    As long as there is a little structured thinking, it is impossible to write a sqlhelper everywhere in the project. In the end, your C # code has to return to a class to operate. Sqlhelper and datatable are just temporary things. A little more advanced thinking will use a structured thinking to package data […]

  • A PHP program to learn go


    Let’s start with chicken soup Nothing can be achieved overnight. If you want to achieve success, work hard. -To “tomorrow” Why do you want to learn go To talk about learning experience, we must first talk about why I want to learnGo languageIt’s too late.First of all, I summarize several reasons PHPConcurrency support is not […]

  • Java basic fast literacy


    It is suggested that you throw it into your favorites after reading the catalog and turn it out when you need to use it. (manual dog head) This article mainly includes some knowledge of Java, including JDK environment installation, common syntax and object-oriented programming. 【directory structure】 Java foundation 1, characteristics of Java language 2, configuration […]

  • Go language bottom level knowledge summary [novice must learn]


    preface The text and pictures of this article are from the Internet, only for learning and communication, and do not have any commercial use. The copyright belongs to the original author. If you have any questions, please contact us in time for handling.Author: YID_ One hundred and fifty-twoNext, let’s share with you the basic knowledge […]

  • Is go language an object-oriented language?


    Previous articles in the introduction to go language series: The use of pointer and structure [go language introduction series] (6) re exploration of functions How to use go? 1. Is go an object-oriented language? How to use go? The concept of method has been introduced in this article, but this method is not actually an […]

  • Three characteristics of object oriented in golang


    Those who have studied Java language know that object-oriented mainly includes three basic characteristics: encapsulation, inheritance and polymorphism. Encapsulation means that the running data and functions are bound together. In Java, it is mainly completed by super pointer; inheritance means that classes can inherit properties and functions from each other; polymorphism means that the common […]

  • 2. Docker learning – docker installation


    Premise statement Basic components of docker image The docker image is a read-only template. The image can be used to create docker containers, and one image can create multiple containers Docker object-oriented container object image class container Warehouse Installation procedure HelloWorld forever Underlying principle

  • Array and string programming with full object oriented style in PHP


    stayPHPOperation string and array are generally used in languagestr_*andarray_*Due to historical reasons, the naming and parameter order styles of these functions are not unified, which are widely criticized by developers,PHPIt is not provided in the language standard libraryOOStylisticArrayandStringClass library, developers are not very convenient to use, in theSwooleWe provide aswoole_arrayandswoole_stringThe object-oriented encapsulation of string and […]