Course Elementary  8538

Course Introduction：The purpose of this course is to give those novices who have not been exposed to programming languages, or have just come into contact with programming languages, a general understanding of programming languages.

Course Intermediate  55620

Course Introduction：Efficient development is inseparable from the assistance of frameworks. Mastering the use of mainstream PHP development frameworks is a basic skill that every PHP programmer must have. If you want to master framework development, the fastest way is to know what the underlying operating principles of the framework are. What is the idea of ​​programming? Writing a framework by yourself is recognized as the fastest way to learn frameworks! This course uses the most straightforward language and the simplest cases to let you learn to write it yourself without knowing it. A small framework (MVC)

Course Intermediate  11245

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  17581

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 Introduction：The difference between dirty read, phantom read, and non-repeatable read: 1. Dirty read refers to when a transaction is accessing data and the data is modified; 2. Non-repeatable read refers to reading the same data multiple times within a transaction; 3. Phantom reading refers to a phenomenon that occurs when transactions are not executed independently.

2020-09-02 comment 0  55274

Course Introduction：The difference between phantom read and non-repeatable read: 1. "Non-repeatable read" refers to reading the same data multiple times within a transaction, that is, before the transaction ends, another transaction also accesses the same data; 2. "Phantom read" "Read" refers to a phenomenon that occurs when transactions are not executed independently, such as the first transaction modifying data in a table.

2020-05-13 comment 0  6377

Course Introduction：[How to use the Linux read command to read file contents] In Linux systems, read is a command used to read data from standard input or files. Using the read command can help users quickly obtain the file content and perform subsequent processing. The following will introduce in detail how to use the Linuxread command to read file contents, including specific code examples. Reading the file content To read the file content, you first need to open a terminal and use the following command format to read the file content: read[-

2024-02-24 comment 0  919

Course Introduction：This article brings you an introduction to the css3 selectors: read-write and :read-only. How to use it, let everyone know what the :read-write selector and :read-only selector of CSS3 are, what they do, and how to use them.

2018-11-24 comment 0  3027