Course Intermediate  11360

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17663

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Advanced  11378

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction：PHP database query tips: How to use the mysqli_query function to perform SQL queries When developing PHP applications, interacting with the database is a very important part. For query operations, PHP provides some built-in functions to execute SQL statements. This article will focus on how to use the mysqli_query function to help developers better perform database query operations. 1. Introduction to mysqli_query function The mysqli_query function is a built-in function of PHP.

2023-07-29 comment 0  2102

Course Introduction：PHP built-in functions can be used to execute database queries, including: mysqli_query(): executes queries and returns results. PDOStatement: Prepare queries and bind parameters to prevent SQL injection. mysqli_affected_rows(): Get the number of rows affected by the query (using mysqli). PDOStatement::rowCount(): Gets the number of rows affected by the query (using PDO). mysqli_close(): Close the mysqli database connection. PDO: Automatically close the PDO connection after the script is executed.

2024-04-23 comment 0  487

Course Introduction：How to implement geolocation query function of data in MongoDB Summary: In modern data-driven applications, geolocation query function is becoming more and more important. This article will introduce how to implement the geographical location query function in MongoDB and provide specific code examples. Introduction: MongoDB is a full-featured non-relational database that supports geographical location query functions and can use geographical coordinates to index and query data. The geographical location query function is very useful in many application scenarios, such as nearby people

2023-09-21 comment 0  1393

Course Introduction：The function in PHP that executes a query is mysqli_query(), which takes a connection handle and a SQL query string as parameters and returns a mysqli_result object representing the query results.

2024-04-29 comment 0  835

Course Introduction：Use the findIndex function to find the position of an element in JavaScript. In JavaScript programming, you often need to find the position of a specified element in an array. In order to facilitate this function, JavaScript provides the findIndex function. Use this function to quickly find the position of a specified element in an array. The basic syntax of the findIndex function is as follows: array.findIndex(callback[,thisArg])

2023-11-18 comment 0  1599