Course Introduction：CompletableFuture is suitable for simple asynchronous tasks, and Reactor is suitable for complex responsive data flows; 1. When using CompletableFuture, when using external services in traditional SpringMVC, fine-grained thread control or integrated blocking APIs; 2. When using ProjectReactor, when building a high-throughput non-blocking system, processing data flows, requiring backpressure support, or already using SpringWebFlux; 3. The two can be rotated together, but hybrid architectures should be avoided to maintain clarity, and the final choice depends on application complexity and performance requirements.
2025-07-30 comment 0 167
Course Introduction：Defining a method (also known as an action) in a controller is to tell the application what to do when someone visits a specific URL. These methods usually process requests, process data, and return responses such as HTML pages or JSON. Understanding the basic structure: Most web frameworks (such as RubyonRails, Laravel, or SpringMVC) use controllers to group related operations. Methods within each controller usually correspond to a route, i.e. the URL path that someone can access. For example, there may be the following methods in PostsController: 1.index() – display post list; 2.show() – display individual posts; 3.create() – handle creating new posts; 4.u
2025-06-14 comment 0 311
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 0 706
Course Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10 comment 0 867
Course Introduction：Conditional Column CountingConsider a table named "Jobs" structured as follows:jobId, jobName, Prioritywhere "Priority" is an integer between 1...
2025-01-10 comment 0 877
Course Elementary 13829
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 82372
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 13187
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 24636
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 27494
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.
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