Course Intermediate 4494
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 20775
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 Elementary 1849
Course Introduction:Python visualization video series using matplotlib, seaborn, pyecharts, combined with real data sets; this video is reproduced from Bilibili: BV1gz411v7F5
Course Intermediate 8149
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 Advanced 10322
Course Introduction:SSDB is a high-performance NoSQL database developed in C/C++ language. It supports KV, list, map(hash), zset(sorted set), qlist(queue) and other data structures. It is used to replace or cooperate with Redis to store billion-level lists. The data.
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Course Introduction:How to store JSON data to MySQL database in PHP? When developing web applications, we often need to store data collected from the front-end into a database. JSON (JavaScriptObjectNotation) is a commonly used data exchange format that is popular for its simplicity and ease of parsing. This article explains how to store JSON data into a MySQL database using PHP and provides code examples. First, we need to create a MySQL database
2023-07-13 comment 0 1304
Course Introduction:How does MySQL store JSON data generated by PHP? Overview: In web development, we often encounter situations where we need to store JSON data generated by PHP into a MySQL database. This article will introduce how to use PHP and MySQL to store and retrieve JSON data, and provide corresponding code examples. 1. Create a data table First, we need to create a data table to store JSON data. Assume that the JSON data we want to store contains an id field and a json_data field.
2023-07-16 comment 0 1196
Course Introduction:How to use ThinkORM to achieve data compression and storage saving in databases Introduction: In modern Internet applications, huge amounts of data are a common problem. In order to save database storage space and improve query efficiency, we often need to compress and optimize data. This article will introduce how to use the ThinkORM framework to achieve data compression and storage savings in the database. What is data compression and storage saving? Data compression is the process of converting data into a smaller form through a series of algorithms to reduce storage space and transmission bandwidth. storage savings
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Course Introduction:简单介绍存储引擎就是指表的类型。数据库的存储引擎决定了表在计算机中的存储方式。存储引擎的概念是MySQl的特点,而且是一个插入式的存储引擎概念。这就决定了M
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