Course Intermediate  5431

Course Introduction：MySQL is one of the most popular relational databases and is widely used in various fields. This course mainly explains the common objects in MySQL, and explains the optimization strategies in detail, and uses cases to give us an in-depth understanding of SQL optimization strategies. After studying this course, we can independently complete various SQL optimizations and improve the performance of the system.

Course Intermediate  5486

Course Introduction：This set of video tutorials mainly uses small cases to let everyone understand the knowledge points learned, and achieve different interactive effects through the reasonable use of knowledge points. This learning model that combines theory and practice allows everyone to better master theory and practical applications. This is also the teaching feature of Qianfeng HTML5 discipline. Only continuous practice can improve working methods and work experience. Micro cases include various projects related to HTML5, such as page layout, cool animation effects, game development, mobile development, front-end and back-end development, etc. There are many design contents and a wide range, covering various development needs. I hope this set of micro-case teaching videos can help everyone in their study and work.

Course Intermediate  40327

Course Introduction：In interviews, we are often asked what algorithms we know. In this course, PHP Chinese has recorded some common classic algorithms for you and explained their implementation principles in detail in the form of videos. I hope it can help the majority of PHP learners and interviewers.

Course Elementary  19944

Course Introduction：PHP interview questions are something that every programmer must go through. Whether we go to a company for an interview or answer the questions ourselves, we all study a lot of interview questions. So [Mengzhiyun] recorded "php interview" for everyone. Practical question video tutorial" summarizes the PHP interview questions for you, so you don't have to search for interview questions anymore!

Course Elementary  5662

Course Introduction：This course is a compilation of front-end interview questions. I hope it will be of some help to front-end personnel who are looking for a job. The course includes some interview questions that are often encountered in front-end interviews, such as the transfer of scope and value type reference types, encapsulated functions to convert string camel case naming, bubble functions, reverse arrays, etc.

Course Introduction：Title: Exploring Problems and Solutions in Programming - Code Examples Introduction: During the programming process, problems often arise. These problems may be grammatical errors, logical errors, or other unpredictable errors. However, every problem has a solution. This article explores some common programming problems and provides corresponding code examples. 1. Syntax errors Syntax errors are one of the most common problems in programming. These errors are usually caused by incorrect grammatical structures or spelling errors. Here are a few examples of common grammatical errors: 1. Misspellings Misspellings can lead to

2023-07-31 comment 0  1044

Course Introduction：ThinkPHP6 FAQ: What should I do if I encounter a problem? Introduction: ThinkPHP6 is a widely used PHP framework with powerful functions and flexible development methods. However, although the framework has been rigorously tested and optimized, you may still encounter some problems during use. This article will briefly introduce some common problems you may encounter when using ThinkPHP6 in the form of Q&A, and provide corresponding solutions. 1. Question: How to deal with routing problems? Answer: At ThinkPH

2023-08-12 comment 0  1586

Course Introduction： 问问高手一个关于smarty问题问问高手一个关于smarty问题，$arr[]= array("tid"=>$row['tid'], "subject"=>$row['subject'],"dateline"=> date("Y-m-d H:i:s",$ro

2016-06-13 comment 0  742

Course Introduction：Analysis of pointer issues and reference issues in C++ Introduction: In C++ programming, pointers and references are two important concepts. They can both be used to access variables indirectly, but there are some differences in their usage. This article will analyze pointer issues and reference issues in detail from the aspects of definition, syntax, usage and characteristics, and provide specific code examples. 1. Pointer problem analysis definition and syntax Pointer is a data type in C++, used to store the address of a variable. Through pointers, we can directly access the value at that address. The definition and syntax of pointers are as follows

2023-10-08 comment 0  661

Course Introduction：Detailed explanation of pointer issues and reference issues in C++ In C++ programming, pointers and references are two very important concepts. They can be used for indirect access to variables, improving program flexibility and efficiency. However, pointers and references are also prone to causing some problems. This article will explore these issues in detail and provide specific code examples. Pointer problem: Null pointer access: When a pointer has not been initialized or is assigned a value of null, accessing the memory space pointed by the pointer will cause the program to crash. Here is an example: int*ptr

2023-10-08 comment 0  1218