Course Intermediate  4722

Course Introduction：There are two main purposes for studying this course: 1. Visual panel layout adapts to the screen 2. Use ECharts to realize histogram display Core Technology: -Based on flexible.js + rem smart large screen adaptation - VScode cssrem plug-in - Flex layout - Less to use - Based on ECharts data visualization display - ECharts histogram data settings - ECharts map introduction

Course Elementary  2179

Course Introduction：Python visualization video series using matplotlib, seaborn, pyecharts, combined with real data sets; this video is reproduced from Bilibili: BV1gz411v7F5

Course Elementary  21028

Course Introduction：Use PDO mode (PHP data object) to connect and select databases (unified operation of various databases), execute SQL statements and process result sets

Course Intermediate  8397

Course Introduction：Many programmers who have worked for many years still have a very basic understanding of databases. They are confused as soon as they go out for interviews. They don’t understand basic SQL statements, more complex SQL queries, and SQL statement optimization. They don’t even know how to use them. Redis improves system performance and can withstand tens of millions of concurrencies. This set of courses will help you thoroughly understand MySQL locks, execution plans, indexes, MVCC & Redis transactions, cache, breakdown, penetration, avalanche, warm-up, etc., and you can complete all database interviews in one set!

Course Intermediate  4220

Course Introduction：PHP and MySQL database are golden partners. Not only are they free to use, but more importantly, MySQL can be better combined with PHP. PHP also provides a dedicated programming interface for the MySQL database, improving development efficiency.

Course Introduction：The four elements of the data flow diagram are: 1. External entities, people or transactions outside the system that are related to the system; 2. Data processing, the logical processing capabilities of data; 3. Data storage, a collective name for the logic after certain data is saved; 4. Data flow, input or output of processing functions.

2019-10-30 comment 0  34450

Course Introduction：In the information age of the 21st century, data has become as important a factor of production as land, capital, and labor. However, we still face the challenge of how to better understand and apply data elements. Data has various characteristics, including massive, diverse, high-speed and low value density. Faced with these characteristics, we need to master effective processing and analysis methods to transform data into valuable information and insights. Deepening our understanding and application of data elements requires our attention to several key aspects. First, we need to have data management and analysis skills to effectively collect, store and process data. Secondly, we need to develop technologies in fields such as data science and artificial intelligence to better tap the potential of data and provide targeted solutions. In addition, we need

2024-02-01 comment 0  615

Course Introduction：What factors should be considered when choosing a PHPCMS database? Need specific code examples PHP is a powerful server-side scripting language that is widely used in website development. As a content management system developed based on PHP, PHPCMS plays an important role in building websites. Choosing a suitable database is crucial for the stable operation and efficient management of PHPCMS. This article will specifically explore the factors to consider when choosing a PHPCMS database and provide some code examples to help readers better understand. first

2024-03-28 comment 0  578

Course Introduction：[HTML Basics] Top-level elements, block elements, inline elements, variable elements, element attributes

2016-06-24 comment 0  1708

Course Introduction：Selecting Elements by HTML5 Data Attributes in CSSQuestion: Can elements be selected in CSS based on their data- attributes (e.g.,...

2024-12-28 comment 0  277