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Course Introduction：Redis accelerates existing applications: cache queries to reduce server load Core points: Redis effectively accelerates existing applications by caching query results, thereby reducing server stress. It stores query results for a specified time (for example, 24 hours), and then reuses these results, significantly improving application speed. The installation of Redis can be done through the operating system package manager or manually. The installation process includes avoiding common warnings and ensuring that Redis starts automatically after the server restarts. The Predis library works with Redis to provide a memory cache layer for applications. This process involves checking whether the results of the current query exist in the cache, if not, get the result and transfer it

2025-02-17 comment 0  397

Course Introduction：Contributing to open source projects: A practical case This article will use a practical case to explain in detail how to contribute code to open source projects. We will take the GateKeeper library as an example to add a counting function and gradually demonstrate the entire process, including communication with the project owner, code implementation, testing, and submitting Pull Request. Introduction to GateKeeper Library GateKeeper is a PHP library for user registration, authentication, and authorization. It uses its own database to store and query user records. This makes it completely decoupled from the main application, making it easy to scale and modify. Add counting function At present, if GateKeeper wants to obtain the total number of users in the database, it needs to obtain all users first

2025-02-15 comment 0  388

Course Introduction：Core points Migrating the underlying Laravel application of Boxzilla applications from PHP to Go ends up with a more efficient program with better performance, easier deployment and higher test coverage, despite initial concerns about potential business risks. Go is a compiled language with a standard library that is better than PHP, and can generate faster, smaller applications with fewer lines of code even if external dependencies are considered. The conversion from PHP to Go needs to adapt to new syntax and features, but the end result is considered worthwhile. Despite PHP's larger community and rich resources, Go's growing popularity, ease of use, and excellent performance features make it a strong contender for developers to consider conversions. The author predicts that the future will be

2025-02-10 comment 0  473

Course Introduction：Common usage scenarios for JNI include improving the execution efficiency of performance-sensitive parts, accessing operating system or hardware-specific features, reusing existing local library resources, and enhancing security and anti-reverse protection. 1. For high-performance tasks such as image processing, encryption and decryption, C/C can be used to implement key logic through JNI to improve efficiency, but attention should be paid to cross-language call overhead; 2. When accessing device drivers, sensor data or system APIs is required, it can be implemented with the help of the JNI call platform related local libraries, and compatibility issues should be considered; 3. In order to reuse existing C/C code assets, it can be encapsulated through JNI for Java application calls to reduce duplicate development, but a reasonable interface should be designed; 4. Placing the key logic at the native layer can increase the reverse difficulty

2025-07-04 comment 0  402

Course Introduction：SqlParameter Parameters.Add vs. AddWithValue: Choosing the Best MethodWhen working with SQL commands, you may encounter the need to add...

2025-01-10 comment 0  656

Course Elementary  13750

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  82263

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  13133

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  24580

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  27437

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.