Found a total of 10000 related content
How can you use sessions to implement a shopping cart?
Article Introduction：The steps to build an efficient shopping cart system using sessions include: 1) Understand the definition and function of the session. The session is a server-side storage mechanism used to maintain user status across requests; 2) Implement basic session management, such as adding products to the shopping cart; 3) Expand to advanced usage, supporting product quantity management and deletion; 4) Optimize performance and security, by persisting session data and using secure session identifiers.
2025-05-01
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Advanced application of hashing (Hash) data type in Redis
Article Introduction：The hash type in Redis is suitable for storing complex data structures, suitable for user information and shopping cart systems. 1) Store user information: Use hset and hget commands to manage user data. 2) Shopping cart system: Use hash to store products, and combine Set type to optimize the amount of big data. 3) Performance optimization: Avoid frequent operations and use batch commands and expiration time to manage data.
2025-06-04
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How to implement data storage on H5 page production
Article Introduction：H5 page data storage provides a variety of options to allow pages to store data and avoid amnesia after refresh. Common methods include: localStorage: permanently store string data, suitable for storing important and persistent data. sessionStorage: Temporarily store string data during the session, suitable for storing shopping cart products and other data that do not need to be saved for a long time. IndexedDB: Database-level storage, which can store a large amount of structured data, but the API is complex. The data format is unified into a string, and complex data needs to be converted in JSON. At the same time, pay attention to data security, error handling and multi-page synchronization.
2025-04-05
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845
Dave The Diver: How To Catch Spider Crabs
Article 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
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Prepare for Interview Like a Pro with Interview Questions CLI
Article Introduction：Prepare for Interview Like a Pro with Interview Questions CLI
What is the Interview Questions CLI?
The Interview Questions CLI is a command-line tool designed for JavaScript learners and developers who want to enhance their interview
2025-01-10
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1445
Soft Deletes in Databases: To Use or Not to Use?
Article Introduction：Soft Deletes: A Question of DesignThe topic of soft deletes, a mechanism that "flags" records as deleted instead of physically removing them, has...
2025-01-10
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1056
Terraria: How To Make A Loom
Article Introduction：There are a lot of crafting stations that you can make in Terraria. This ranges from simple anvils to unique stations meant for one specific type of resource. Early into the game, you'll be able to make your own Loom, which is primarily used to make
2025-01-10
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How to become a Mortician in Bitlife
Article Introduction：There are an abundance of job roles to try in Bitlife, and while the best jobs are those that land you with lots of fame and money — such as becoming a Model or an Astronaut — there are plenty other, simpler jobs to get you by. There’s
2025-01-10
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Unlocking the Power of Chrome DevTools Snippets
Article Introduction：The Snippets panel in Chrome DevTools is a powerful tool that often gets overlooked. Snippets allows a developer to write, save, and run custom JavaScript code directly in the browser. This feature can be helpful to experiment, debug, and demo JavaS
2025-01-10
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