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WooCommerce on CSS-Tricks

I always get all excited when I accomplish something, but I get extra excited when I get it done and think, "well, that was easy." As much as I enjoy fiddling

CSS Tutorial . Web Front-end 761 2025-04-04 09:17:09
An Eleventy Starter with Tailwind CSS and Alpine.js

When I decided to try to base my current personal website on Eleventy, I didn't want to reinvent the wheel: I tested all the Eleventy starters built with

CSS Tutorial . Web Front-end 511 2025-04-04 09:16:10
Levels of Fix

On the web, we have the opportunity to do work that fixes things for people. It's fascinating to me how different the scope of those fixes can be.

CSS Tutorial . Web Front-end 918 2025-04-04 09:14:08
Three CSS Alternatives to JavaScript Navigation

Hey quick! You’ve gotta create the navigation for the site and you start working on the mobile behavior. What pattern do you choose? If you’re like most

CSS Tutorial . Web Front-end 513 2025-04-04 09:12:10
What ya need there is a bit of templating

I had a fella write in to me the other day. He had some HTML, CSS, and JavaScript, and it just wasn't behaving like he thought it ought to. The HTML had some

CSS Tutorial . Web Front-end 230 2025-04-04 09:08:10
What is the fastest way to learn HTML?

The best way to learn HTML quickly is through practice and continuous trial. 1. Understand the basic concepts of HTML, such as tags, attributes, and elements. 2. Familiar with development tools, such as text editors and browser developer tools. 3. Master the working principles of HTML and understand the construction of DOM. 4. Improve skills through practice of basic and advanced usage. 5. Learn debugging skills to avoid common mistakes. 6. Apply performance optimization and best practices to improve web page performance and maintainability.

HTML Tutorial . Web Front-end 677 2025-04-04 00:14:32
Common causes of replication lag in MySQL and how to troubleshoot.

The reasons for MySQL replication delay include insufficient hardware resources, network problems, large transactions, and lock contention. Solutions include: 1. Monitoring and log analysis, 2. Optimizing hardware resources, 3. Network optimization, 4. Transaction optimization, 5. Lock contention management. Through these measures, replication delays can be effectively reduced, data consistency and system stability can be ensured.

Mysql Tutorial . Database 325 2025-04-04 00:13:10
What is Multi-Version Concurrency Control (MVCC) in InnoDB?

MVCC implements non-blocking read operations in InnoDB by saving multiple versions of data to improve concurrency performance. 1) The working principle of MVCC depends on the undolog and readview mechanisms. 2) The basic usage does not require special configuration, InnoDB is enabled by default. 3) Advanced usage can realize the "snapshot reading" function. 4) Common errors such as undolog bloat can be avoided by setting the transaction timeout. 5) Performance optimization includes shortening transaction time, reasonable use of indexes and batch processing of data updates.

Mysql Tutorial . Database 697 2025-04-04 00:12:31
Explain Prefix Indexes in MySQL and their trade-offs.

Prefix index is used in MySQL to optimize query for long string columns. 1) Reduce index size and improve query speed. 2) It may lead to a decrease in selectivity and is not applicable to ORDERBY or GROUPBY. 3) Selecting the appropriate prefix length requires testing and adjustment to balance performance and selectivity.

Mysql Tutorial . Database 315 2025-04-04 00:10:51
How does InnoDB perform crash recovery?

InnoDB achieves crash recovery through the following steps: 1. Log playback: read redolog and apply modifications that are not written to the data file to the data page. 2. Roll back uncommitted transactions: Through undolog, roll back all uncommitted transactions to ensure data consistency. 3. Dirty page recovery: handles dirty page writing that is not completed before crash to ensure data integrity.

Mysql Tutorial . Database 400 2025-04-04 00:06:30
What is Reflection API in PHP and give practical examples?

The Reflection API in PHP allows you to check and manipulate code at runtime. 1) It implements reflection function through classes such as ReflectionClass. 2) The working principle of the reflection API depends on the Zend engine. 3) The basic usage includes checking the class structure. 4) Advanced usage can implement dependency injection containers. 5) Common errors need to be handled through try-catch. 6) Performance optimization suggestions include cache reflection results and avoiding unnecessary reflections.

PHP Tutorial . Backend Development 469 2025-04-04 00:04:11
What is a covering index in MySQL?

Overriding indexes can significantly improve MySQL query performance. 1) Overwrite index is defined as an index containing all columns required for query, reducing I/O operations. 2) Its working principle uses the B-Tree structure to directly obtain data from the index to avoid returning to tables. 3) Basic usages such as SELECTusername, emailFROMusersWHEREusername='alice', advanced usages can be used for complex query and aggregation operations.

Mysql Tutorial . Database 238 2025-04-04 00:03:41
What are anonymous classes in PHP and when might you use them?

The main function of anonymous classes in PHP is to create one-time objects. 1. Anonymous classes allow classes without names to be directly defined in the code, which is suitable for temporary requirements. 2. They can inherit classes or implement interfaces to increase flexibility. 3. Pay attention to performance and code readability when using it, and avoid repeatedly defining the same anonymous classes.

PHP Tutorial . Backend Development 1027 2025-04-04 00:02:50
What are SPL interfaces (e.g., Iterator, Countable, ArrayAccess) and why use them?

The SPL interface includes Iterator, Countable and ArrayAccess in PHP. 1. The Iterator interface makes the object traversable and defines the current(), key(), next(), rewind() and valid() methods. 2. The Countable interface allows the object to report the number of elements and defines the count() method. 3. The ArrayAccess interface allows objects to be accessed and modified like arrays, and defines offsetExists(), offsetGet(), offsetSet() and offsetUnset() methods. These interfaces improve code efficiency and maintainability.

PHP Tutorial . Backend Development 317 2025-04-04 00:01:51

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