Course 11420
Course Introduction:This chapter uses HTML5 to take you through the handwriting development of the front-end production of Baidu’s takeaway mobile site.
Course 2857
Course Introduction:Course introduction: 1. Cross-domain processing, token management, route interception; 2. Real interface debugging, API layer encapsulation; 3. Secondary encapsulation of Echarts and paging components; 4. Vue packaging optimization and answers to common problems.
Course 1795
Course Introduction:Apipost is an API R&D collaboration platform that integrates API design, API debugging, API documentation, and automated testing. It supports grpc, http, websocket, socketio, and socketjs type interface debugging, and supports privatized deployment. Before formally learning ApiPost, you must understand some related concepts, development models, and professional terminology. Apipost official website: https://www.apipost.cn
Course 5521
Course Introduction:(Consult WeChat: phpcn01) The comprehensive practical course aims to consolidate the learning results of the first two stages, achieve flexible application of front-end and PHP core knowledge points, complete your own projects through practical training, and provide guidance on online implementation. Comprehensive practical key practical courses include: social e-commerce system backend development, product management, payment/order management, customer management, distribution/coupon system design, the entire WeChat/Alipay payment process, Alibaba Cloud/Pagoda operation and maintenance, and project online operation. .....
Course 5172
Course Introduction:(Consult WeChat: phpcn01) Starting from scratch, you can solve conventional business logic, operate MySQL with PHP to add, delete, modify, and query, display dynamic website data, master the MVC framework, master the basics of the ThinkPHP6 framework, and learn and flexibly master all knowledge involved in PHP development. point.
Using triggers and constraints to limit the number of records in MySQL
2023-11-14 13:35:02 0 4 434
TypeError: Cannot read property of null (read 'length'). What does it mean?
2023-11-04 11:52:35 0 2 255
Identify performance limitations in JavaScript
2023-10-31 20:47:17 0 1 229
Execute multiple MYSQL queries using PHP
2023-10-25 11:41:44 0 1 238
Align decimal points of numbers in table with pseudo "center" alignment appearing in cells
2023-10-24 13:01:47 0 1 266
Course Introduction:In web development, user registration is a very common function. Usually, we need to set a limit on the length of user names to prevent users from entering too long user names, which will affect website performance and user experience. This article will introduce how to set username length limit in PHP. 1. Determine the username length limit First, we need to determine the username length limit. Generally speaking, it is common to limit username length to between 20 and 30 characters. Depending on specific business needs, shorter or longer length limits can also be set. 2. Set the username length limit in PHP to P
2023-05-24 comment 0 489
Course Introduction:MySQL's SQL statement length is limited, which applies to the length of a single SQL statement and the size of the data packet sent in the entire connection. Under normal circumstances: 1. Before MySQL 5.7, the length of a single SQL statement was limited to 64KB; 2. MySQL 5.7 version and later, the length of a single SQL statement is limited to 1MB.
2023-07-25 comment 0 2574
Course Introduction:When using PHP arrays, sometimes you need to adjust the size and length limits of the array. This may be because the amount of data received from the API exceeds PHP's default array length limit, or the program needs to adjust the size of the array based on the variable length at runtime, etc. PHP provides some methods and options to modify the array length limit so that the program can better handle arrays. The first method is to adjust PHP's default array length limit by modifying the configuration items in the php.ini file. You can open the php.ini file and search for "max_i" in the file
2023-05-06 comment 0 402
Course Introduction:Array length limitation in PHP In PHP, array is a very commonly used data structure used to store a set of data. However, there are certain restrictions on the length of arrays in PHP. In this article, we will explore the issue of array length limits in PHP and provide some concrete code examples to illustrate the issue. The length of arrays in PHP is affected by memory limitations. Specifically, when PHP tries to allocate an array, it looks at the current memory limit and uses that limit to determine the maximum length it can allocate.
2024-03-14 comment 0 251
Course Introduction:在 Oracle 中限制字符串长度为 10 的方法:使用 VARCHAR 数据类型,在字段定义中指定长度为 VARCHAR(10)。这将强制列只能存储最多 10 个字符的字符串,超过则截断。对于固定长度,可以使用 CHAR 数据类型,强制指定长度。现有列长度错误时,使用 ALTER TABLE 语句修改。
2024-05-26 comment 242