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Course Introduction：Google has recently refreshed its spam policies documentation as part of a routine update. Additionally, it has provided more information regarding the site reputation abuse policy and expanded and clarified other aspects of its search spam policies

2025-05-29 comment 0  761

Course Introduction：Why do users ignore privacy policies and conditions of use? What is a user agreement and how can they vary? Why is it important to read the conditions of use and privacy policies? What tools can help you read Pol

2025-05-28 comment 0  371

Course Introduction：Laravel's authorization mechanism is implemented through Gates and Policies. Gates is suitable for common permission judgments. If you check whether you are an administrator, you define and use closure logic in AuthServiceProvider; it can be used in the controller or Blade template through Gate::denies or @can. Policies are model-oriented. If you control whether the user can edit an article, you need to create a Policy class and register a binding model, and then call it with $this->authorize in the controller. Select Gate for global permissions, and Policies for model-related operations. The two can coexist without affecting each other, improving code clarity and maintenance.

2025-07-23 comment 0  342

Course Introduction：In Laravel, gates are used for model-independent global permission checks, while policies are used for model-independent structured authorization logic. 1.Gates is a closure-based check, suitable for judgments such as "whether the user can access the dashboard"; 2.Policies are bound to the model and centrally manage the authorization logic, such as defining whether the user can update a certain article; 3.Gates are simple and lightweight, suitable for one-time inspection, and Policies are easier to test and expand; 4. Laravel will automatically match the policy method according to the model, without manual association. Both can be used in the same application.

2025-07-16 comment 0  221

Course Introduction：To improve database security, MySQL requires strong password policies and regular rotation. 1. Enable the validate_password plug-in to set strong policies and minimum password length; 2. Regularly rotate high-permission accounts, application accounts and third-party account passwords, combining automation tools and timed task execution; 3. Follow the principle of minimum permissions, assign permissions as needed, and use role management to simplify permission configuration; 4. Regularly review and clean useless accounts to reduce the potential risks after password leakage. These measures can effectively enhance overall system security, especially in multi-environmental collaboration.

2025-07-22 comment 0  533

Course Elementary  13816

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  82347

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  13171

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  24623

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  27481

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.