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Course Introduction：When processing time series data, MySQL's RANGE and LIST partitioning strategies can improve query performance and management efficiency. 1. Priority is given to RANGE partitions, and data is divided by time intervals, suitable for queries in continuous time periods; 2. LIST partitions are suitable for discrete time periods, such as quarterly reports, etc.; 3. Avoid using HASH or KEY partitions because they are not suitable for time range queries; 4. Partition fields should be of DATE, DATETIME or TIMESTAMP type and are commonly used filtering conditions for querying; 5. Partition fields must be part of primary key or unique index; 6. Use partitions to clean or archive old data efficiently, such as using TRUNCATEPARTITION or EXCHANGEPART

2025-07-17 comment 0  639

Course Introduction：jQuery plug-in: a powerful tool to improve development efficiency This article will explore the development of jQuery plug-ins in depth, explain its advantages and guide you to create your own plug-ins step by step. jQuery plug-in can significantly reduce development time and improve code reuse. Just write function code once and you can reuse it in multiple projects, greatly improving development efficiency. We will use a sample plugin called fancytoggle as an example to demonstrate various links of plug-in development. This plug-in is used to toggle the visibility of nested elements, such as list items, to create interactive components similar to the accordion, such as the FAQ section. You can visit CodePen to view the fancytoggle plugin

2025-02-17 comment 0  698

Course Introduction：SublimeText is a powerful and flexible code editor that is worthy of exploration by programmers. 1) It supports multiple selection and editing, allowing multiple locations to be modified at the same time. 2) The plug-in system is rich and extensible. 3) The basic usage is intuitive, and the advanced usage includes regular expressions and macros. 4) Common errors such as plug-in conflicts can be resolved by uninstalling or adjusting the configuration. 5) Performance optimization is achieved through management plug-ins and configuration files.

2025-04-30 comment 0  821

Course Introduction：Best practices for cross-browser date input This article explores the challenges and best solutions for implementing date input fields in various browsers. Due to inconsistent browser support and neglect of lang attributes, we need a robust solution to deal with date formats, UTC/local time issues, and differences between different browsers. Key points: The browser's support for and lang attributes is uneven, resulting in the inability to display input widgets in non-native languages. Many JavaScript solutions attempt to improve support for date input, but few scripts can handle two different date formats that display and save data at the same time. Datepicker for jQuery UI is a well-tested and supported

2025-02-20 comment 0  1116

Course Introduction：10 amazing jQuery carousel plugins to rejuvenate your website! Carousel plug-ins are essentially a display tool for continuously looping display media (for example, images are displayed at time intervals to ensure that each image is displayed on its turn). Enjoy it! rCarousel A continuous carousel plug-in based on jQuery UI. Theatre Carousel An amazing carousel plugin. You can add it to your page and this tutorial will guide you on how. Barousel A jQuery plugin that makes it easy to create simple carousels, where each slide is defined by images and any type of related content.

2025-03-06 comment 0  940

Course Elementary  13775

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82285

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13145

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24591

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.

Course Elementary  27450

Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.