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- 'Off The Main Thread'
- JavaScript is what they call "single-threaded." As Brian Barbour puts it:
- CSS Tutorial . Web Front-end 769 2025-04-17 09:14:11
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- Maskable Icons: Android Adaptive Icons for Your PWA
- There is a new web feature called maskable icons that is coming soon to Firefox Preview and other web browsers. This new icon format will let your PWAs have their own adaptive icons on Android.
- CSS Tutorial . Web Front-end 812 2025-04-17 09:13:09
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- How does PHP type hinting work, including scalar types, return types, union types, and nullable types?
- PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.
- PHP Tutorial . Backend Development 650 2025-04-17 00:25:30
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- How does PHP handle object cloning (clone keyword) and the __clone magic method?
- In PHP, use the clone keyword to create a copy of the object and customize the cloning behavior through the \_\_clone magic method. 1. Use the clone keyword to make a shallow copy, cloning the object's properties but not the object's properties. 2. The \_\_clone method can deeply copy nested objects to avoid shallow copying problems. 3. Pay attention to avoid circular references and performance problems in cloning, and optimize cloning operations to improve efficiency.
- PHP Tutorial . Backend Development 708 2025-04-17 00:24:21
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- MySQL's Role: Databases in Web Applications
- The main role of MySQL in web applications is to store and manage data. 1.MySQL efficiently processes user information, product catalogs, transaction records and other data. 2. Through SQL query, developers can extract information from the database to generate dynamic content. 3.MySQL works based on the client-server model to ensure acceptable query speed.
- Mysql Tutorial . Database 600 2025-04-17 00:23:21
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- PHP vs. Python: Use Cases and Applications
- PHP is suitable for web development and content management systems, and Python is suitable for data science, machine learning and automation scripts. 1.PHP performs well in building fast and scalable websites and applications and is commonly used in CMS such as WordPress. 2. Python has performed outstandingly in the fields of data science and machine learning, with rich libraries such as NumPy and TensorFlow.
- PHP Tutorial . Backend Development 813 2025-04-17 00:23:00
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- Describe different HTTP caching headers (e.g., Cache-Control, ETag, Last-Modified).
- Key players in HTTP cache headers include Cache-Control, ETag, and Last-Modified. 1.Cache-Control is used to control caching policies. Example: Cache-Control:max-age=3600,public. 2. ETag verifies resource changes through unique identifiers, example: ETag: "686897696a7c876b7e". 3.Last-Modified indicates the resource's last modification time, example: Last-Modified:Wed,21Oct201507:28:00GMT.
- PHP Tutorial . Backend Development 1015 2025-04-17 00:22:41
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- MySQL: Building Your First Database
- The steps to build a MySQL database include: 1. Create a database and table, 2. Insert data, and 3. Conduct queries. First, use the CREATEDATABASE and CREATETABLE statements to create the database and table, then use the INSERTINTO statement to insert the data, and finally use the SELECT statement to query the data.
- Mysql Tutorial . Database 512 2025-04-17 00:22:01
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- MySQL: A Beginner-Friendly Approach to Data Storage
- MySQL is suitable for beginners because it is easy to use and powerful. 1.MySQL is a relational database, and uses SQL for CRUD operations. 2. It is simple to install and requires the root user password to be configured. 3. Use INSERT, UPDATE, DELETE, and SELECT to perform data operations. 4. ORDERBY, WHERE and JOIN can be used for complex queries. 5. Debugging requires checking the syntax and use EXPLAIN to analyze the query. 6. Optimization suggestions include using indexes, choosing the right data type and good programming habits.
- Mysql Tutorial . Database 309 2025-04-17 00:21:20
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- Is MySQL Beginner-Friendly? Assessing the Learning Curve
- MySQL is suitable for beginners because: 1) easy to install and configure, 2) rich learning resources, 3) intuitive SQL syntax, 4) powerful tool support. Nevertheless, beginners need to overcome challenges such as database design, query optimization, security management, and data backup.
- Mysql Tutorial . Database 391 2025-04-17 00:19:11
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- Is SQL a Programming Language? Clarifying the Terminology
- Yes,SQLisaprogramminglanguagespecializedfordatamanagement.1)It'sdeclarative,focusingonwhattoachieveratherthanhow.2)SQLisessentialforquerying,inserting,updating,anddeletingdatainrelationaldatabases.3)Whileuser-friendly,itrequiresoptimizationtoavoidper
- Mysql Tutorial . Database 451 2025-04-17 00:17:40
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- The Future of HTML: Evolution and Trends in Web Design
- The future of HTML is full of infinite possibilities. 1) New features and standards will include more semantic tags and the popularity of WebComponents. 2) The web design trend will continue to develop towards responsive and accessible design. 3) Performance optimization will improve the user experience through responsive image loading and lazy loading technologies.
- HTML Tutorial . Web Front-end 713 2025-04-17 00:12:12
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- Explain secure password hashing in PHP (e.g., password_hash, password_verify). Why not use MD5 or SHA1?
- In PHP, password_hash and password_verify functions should be used to implement secure password hashing, and MD5 or SHA1 should not be used. 1) password_hash generates a hash containing salt values to enhance security. 2) Password_verify verify password and ensure security by comparing hash values. 3) MD5 and SHA1 are vulnerable and lack salt values, and are not suitable for modern password security.
- PHP Tutorial . Backend Development 497 2025-04-17 00:06:50
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- Where should 'Subscribe to Podcast' link to?
- For a while, iTunes was the big dog in podcasting, so if you linked "Subscribe to Podcast" to like:
- CSS Tutorial . Web Front-end 1058 2025-04-16 12:04:17
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- Browser Engine Diversity
- We lost Opera when they went Chrome in 2013. Same deal with Edge when it also went Chrome earlier this year. Mike Taylor called these changes a "Decreasingly
- CSS Tutorial . Web Front-end 880 2025-04-16 12:02:14
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