Found a total of 10000 related content
How to display multiple lines as one line in SQL
Article Introduction：Tips for combining multiple rows of data into one row in SQL include: using the CONCAT function to connect strings, such as dividing names into full names. Use the GROUP_CONCAT function to connect the values ??of all rows in the group, such as grouping the product list. Use the STRING_AGG function to connect strings and specify delimiters, such as grouping skill lists and adding delimiters. Use the FOR XML PATH('') clause to convert the query results to an XML string. Use the STUFF function to insert substrings, such as converting the customer name to a line with an XML tag.
2025-04-10
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760
Explain Angular routing
Article Introduction：The function of Angular routing is to realize page jump and view switching in single-page applications. 1. The basic routing function can be realized by introducing RouterModule and Routes, configuring the routing table in the root module or using lazy loading method to load in modules; 2. Use the router-outlet tag to specify the display location of the routing component, and implement local page updates through the routerLink instruction; 3. Dynamic routing can be defined by adding parameters (such as /user/:id) to the path and injecting ActivatedRoute into the component; 4. Nested routing defines the child routing structure through the children attribute, and the parent component needs to add router-outlet to
2025-07-04
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878
Implementing Native Lazy Loading for Images in HTML
Article Introduction：Native lazy loading is a built-in browser function that enables lazy loading of pictures by adding loading="lazy" attribute to the tag. 1. It does not require JavaScript or third-party libraries, and is used directly in HTML; 2. It is suitable for pictures that are not displayed on the first screen below the page, picture gallery scrolling add-ons and large picture resources; 3. It is not suitable for pictures with first screen or display:none; 4. When using it, a suitable placeholder should be set to avoid layout jitter; 5. It should optimize responsive image loading in combination with srcset and sizes attributes; 6. Compatibility issues need to be considered. Some old browsers do not support it. They can be used through feature detection and combined with JavaScript solutions.
2025-07-12
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796
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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777
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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1408
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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1026
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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1303
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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557
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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