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Article Introduction：HTML5's data attribute is a standard way to store custom data on page elements. 1. It starts with data-, such as data-user-id. The data is invisible to the user but can be accessed through JavaScript; 2. Use the dataset attribute to read or set the data, and the hyphen is converted to camel; 3. Suitable for front-end template rendering, component state management, interactive control and other scenarios; 4. Precautions include avoiding storing sensitive or large amounts of data, preventing naming conflicts, paying attention to data type conversion, and reasonable use to avoid performance problems. Correct use of data attributes can make the front-end logic clearer and more concise.

2025-07-04 comment 0  331

Article Introduction：C STL is a set of general template classes and functions, including core components such as containers, algorithms, and iterators. Containers such as vector, list, map, and set are used to store data. Vector supports random access, which is suitable for frequent reading; list insertion and deletion are efficient but accessed slowly; map and set are based on red and black trees, and automatic sorting is suitable for fast searches. Algorithms such as sort, find, copy, transform, and accumulate are commonly used to encapsulate them, and they act on the iterator range of the container. The iterator acts as a bridge connecting containers to algorithms, supporting traversal and accessing elements. Other components include function objects, adapters, allocators, which are used to customize logic, change behavior, and memory management. STL simplifies C

2025-07-01 comment 0  287

Article 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  737

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 comment 0  935

Article 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  935

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

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Article Introduction：Improved Methods for Trimming Leading Zeros in SQL ServerThe conventional approach for trimming leading zeros in SQL Server involves employing the...

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Article Introduction：ShouldSerialize() vs Specified Conditional Serialization PatternConditional serialization is crucial to selectively control serialization...

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Article Introduction：Recursive Query Resulting in Recursion Depth Limit ExceededThis query faced a recurring error due to exceeding the maximum recursion limit of 100....

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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...

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Article Introduction：JavaScriptSerializer.Deserialize: Mapping Field Names in JSON to .Net Object PropertiesQuestion:How can you map a field name in JSON data to a...

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Article Introduction：Rotating an Image in WinFormsThis question addresses the need to rotate an image within a Windows Forms application, particularly for indicating...

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Article Introduction：Database Table Update: Aligning Columns with Referenced ValuesYour question pertains to updating a database table where the QuestionID column...

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Article Introduction：Conditional Serialization Patterns: ShouldSerialize() vs. SpecifiedIntroductionXmlSerializer offers two patterns for conditionally serializing...

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Article Introduction：Soft Deletes: A Boon or a Bane?The question of soft deletes, an alternative to permanent data deletion, has elicited diverse opinions within the...

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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 comment 0  1458

Article Introduction：Printing VARCHAR(MAX) using Print StatementYou have a code that involves fetching a VARCHAR(MAX) value (@Script) and then printing it using two...

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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 comment 0  654

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 comment 0  1371

Article Introduction：Enforcing Conditional Unique Constraints without TriggersThe requirement to maintain data integrity by enforcing unique constraints on specific...

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