Course Elementary  15277

Course Introduction：All you need to achieve your own success is a set of exquisite products! PHP basic tutorial (complete set), teaches you to quickly master the basic language of PHP. The content is explained in detail. According to the PHP career development path, it is divided into stages such as PHP, PHP advanced framework, Web front-end technology, database application, WeChat development and Linux operating system application.

Course Elementary  8707

Course Introduction：In today's Internet era, many people want to enter the IT industry, and then they start to crazily learn C/C++, python, Java and other languages. They have learned a lot of languages, but when it comes to actual projects, they still know nothing. I think many novices think that the more languages ​​they learn, the better, but this is not the case. Until later, I got inspiration from some big guys. For novices, computer network knowledge is the most important than the language itself.

Course Intermediate  7867

Course Introduction：Starting from zero foundation, you can solve conventional business logic, operate MySQL with PHP to add, delete, modify, and query, display dynamic website data, deeply understand the MVC framework, and learn and flexibly master various knowledge points involved in PHP development.

Course Intermediate  10523

Course Introduction："React Routing In-depth Video Tutorial" This tutorial is about React routing in more than 20 minutes. When it comes to routing, the first thing that comes to mind is the routing system in ASPNET MVC - by defining a set of routing rules in advance, the program can automatically follow the rules when running. The URL we enter returns the corresponding page. The routing in the front-end is similar. The routing in the front-end renders different pages/components according to the routing rules you define, and also updates the URL in the address bar.

Course Introduction：The line sequence of class b network cable refers to the line sequence of class b network cable. According to the standard wiring of T568B, 12345678 is orange and white, orange, green and white, blue, blue and white, green, brown and white, and brown. Both ends of the network cable follow this Prepare the crystal head in line sequence.

2023-03-03 comment 0  25855

Course Introduction：The default subnet mask of Class B IP address is "255.255.0.0"; the first and second bytes of Class B address are the network address, the other 2 bytes are the host address, and the first 2 bytes of the other 1 byte are is fixed at 10; in class b addresses, "172.16.0.0" to "172.31.255.255" are private addresses.

2020-02-15 comment 0  23439

Course Introduction：PHP code: PHP code to find the relative path of $b relative to $a: PHP interview question: $a = '/a/b/c/d/e.php'; $b = '/a /b/12/34/c.php'; //Calculate the relative path of $b relative to $a should be ../../c/d Answers to PHP interview questions: Copy the code as follows: function getRelative( $a,$b) { $arr = explode("/",$a); $brr = explode("/",$b); $c = co

2016-07-29 comment 0  1054

Course Introduction：Wire sequence for making Class B network cable: According to the standard wiring of T568B, 12345678 are orange and white, orange, green and white, blue, blue and white, green, brown and white, and brown. Both ends of the network cable are made of crystal connectors according to this wiring sequence.

2021-04-12 comment 0  66367

Course Introduction：The range of Class B IP addresses is "128.1.0.1~191.255.255.254". Class B IP address refers to the four-segment number of the IP address, the first two segments of which are network numbers. The length of the network identifier in the Class B IP address is 16 bits, and the length of the host identifier is 16 bits. Class B network addresses are suitable for medium-sized networks. There are 16,384 networks, and each network can accommodate more than 60,000 computers. tower.

2023-02-27 comment 0  33332